4.8 Review

Energy Applications of Ionic Liquids: Recent Developments and Future Prospects

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Xian Suo et al.

Summary: Superbase-derived task-specific ionic liquids (STSILs) are an attractive and extensively studied system for carbon capture. In this work, carbanion-derived STSILs were developed for efficient CO2 chemisorption via a carboxylic acid formation pathway. The results demonstrate the importance of extended conjugation in the CO2-integrated product for achieving efficient CO2 chemisorption.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Agricultural Engineering

Advances in algal biomass pretreatment and its valorisation into biochemical and bioenergy by the microbial processes

Shashi Kant Bhatia et al.

Summary: Urbanization and pollution are major issues in today's world due to the consumption of fossil fuels. Algae provides a renewable substitute for energy and has commercial value. Algal extracts contain bioactive compounds with various potentials such as antimicrobial, anti-oxidative, anti-inflammatory, and anti-cancer properties. Algal biomass can be processed for sugar recovery and used to produce bioenergy and biochemicals through microbial fermentation.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

An eco-friendly novel approach for bioconversion of Saccharum spontaneum biomass to biofuel-ethanol under consolidated bioprocess

Surbhi Vaid et al.

Summary: In this study, a consolidated bioprocessing method was used to convert Saccharum spontaneum biomass into biofuel-ethanol. Through pretreatment and saccharification processes, the sugar yield was significantly increased and the efficiency of ethanol production was relatively high. Furthermore, the pretreated SSB was comprehensively examined to elucidate the functional mechanisms of the pretreatment.

BIORESOURCE TECHNOLOGY (2022)

Review Energy & Fuels

Ionic Liquid and Ionanofluid-Based Redox Flow Batteries-A Mini Review

Aswathy Joseph et al.

Summary: The introduction of ionic liquids into energy storage introduces new dimensions and flexibility, with a growing trend in research in this area.

ENERGIES (2022)

Article Energy & Fuels

Synergistic and efficient catalysis over Bronsted acidic ionic liquid [BSO3HMIm][HSO4]-modified metal-organic framework (IRMOF-3) for microalgal biodiesel production

Jun Cheng et al.

Summary: A novel efficient bifunctional catalyst was synthesized by modifying metal-organic framework with Bronsted acidic ionic liquid. The catalyst exhibited acid-base synergistic catalysis as well as a synergistic effect of Bronsted acid and Lewis acid, resulting in efficient catalysis of microalgal lipids. The introduction of the acidic ionic liquid on the framework improved the acidity of the catalyst and increased catalytic conversion efficiency.
Article Chemistry, Physical

Anion exchange composite membrane based on ionic liquid-grafted covalent organic framework for fuel cells

Ningxin Zhang et al.

Summary: Covalent organic frameworks (COFs) have shown promise as hydroxide-conducting materials due to their ordered porous structure and tunable functionality. However, the lack of hydroxyl conduction functional groups on COFs restricts their development in anion exchange membrane fuel cells (AEMFCs). By grafting guanidinium-based ionic liquids (ILs) onto the channel walls of COFs, IL-functionalized covalent organic frameworks (IL-COFs) were prepared. The IL-COFs were then incorporated into guanidinium-functionalized poly(2,6-dimethyl-1,4-phenylene oxide) (GPPO) to form IL-COF/GPPO composite membranes. The IL-COFs act as active sites in the membranes, enhancing the hydroxide ion migration rate and conductivity. The resulting IL-COF/GPPO composite membranes exhibited significantly improved hydroxide conductivity and long-term stability compared to IL-impregnated COF composite membranes.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

Article Thermodynamics

Lithium Solvation and Mobility in Ionic Liquid Electrolytes with Asymmetric Sulfonyl-Cyano Anion

Drace Penley et al.

Summary: This study investigates the solvation structure and transport properties of Li+ in ionic liquid (IL) electrolytes. The results show that the coordination of Li+ shifts from the cyano group to the sulfonyl group as the Li+ content increases. The mixture of symmetric and asymmetric anions exhibits similar physical properties, but the asymmetric anion enhances Li salt solubility and Li+ transference. The competition from the sulfonyl group weakens its solvation with Li+, resulting in higher Li+ transference. In terms of energy storage applications, the Li-LiFePO4 half cells with IL electrolyte demonstrate good capacity retention and rate capability.

JOURNAL OF CHEMICAL AND ENGINEERING DATA (2022)

Review Electrochemistry

Review-Ionic Liquids Applications in Flow Batteries

Bing Xue et al.

Summary: The increasing global energy demand poses environmental issues, making renewable and clean energy sources and new energy storage technologies crucial. Rechargeable flow batteries are a promising solution for energy storage, and this review highlights the key role of ionic liquids in supporting electrolytes, separators, and additives in flow batteries. The challenges and opportunities for developing ionic liquid-supported flow batteries are discussed, aiming to improve the performance of flow batteries.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2022)

Review Green & Sustainable Science & Technology

Advances in Thermo-Electrochemical (TEC) Cell Performances for Harvesting Low-Grade Heat Energy: A Review

Igor Burmistrov et al.

Summary: Thermo-electrochemical cells, also known as thermocells, are a promising technology for converting low-grade waste heat into electrical energy. This article reviews recent developments in thermocell performances, including the use of new redox couples, electrolyte optimization, and the use of nanomaterials for improving electrodes. Challenges still remain in terms of power density, conversion efficiency, and stability, but with further research and development, thermocells have great potential for various applications.

SUSTAINABILITY (2022)

Article Electrochemistry

Cuprous Chloride as a New Cathode Material for Room Temperature Chloride Ion Batteries

Junmeng Liu et al.

Summary: A stable room temperature rechargeable chloride ion battery with CuCl cathode in a tributylmethylammonium chloride based liquid electrolyte is reported, showing good cycling stability with an initial discharge capacity of 278 mAh g(-1) and a reversible capacity of 70 mAh g(-1) after 100 cycles at a current density of 5 mA g(-1).

CHEMELECTROCHEM (2022)

Review Energy & Fuels

Electrolyte as a panacea to contemporary scientific world of super-capacitive energy: A condense report

Monika Dhanda et al.

Summary: This paper explores the importance of electrolytes in the performance of supercapacitors and the characteristics of different electrolytes in energy storage. The paper classifies current electrolytes into different categories and discusses the important parameters to consider when selecting an electrolyte for supercapacitors. It also discusses the role of redox mediators in enhancing the electrochemical behavior of supercapacitors.

JOURNAL OF ENERGY STORAGE (2022)

Article Chemistry, Multidisciplinary

Ionic Liquids Endowed with Novel Hybrid Anions for Supercapacitors

Wenjie Xiong et al.

Summary: This paper presents the synthesis of a novel class of ionic liquids with sulfimide-type anions, which exhibit a high electrochemical window and good safety performance, making them suitable for the design of electrolytes for supercapacitors.

ACS OMEGA (2022)

Article Chemistry, Physical

Thermocells-enabled low-grade heat harvesting: challenge, progress, and prospects

Wei Li et al.

Summary: Low-grade heat is often wasted due to the lack of cost-effective recovery technologies. Thermocells based on temperature-sensitive redox pairs show promise for harvesting low-grade heat. This paper summarizes the performances of p-type and n-type thermocells, analyzes the thermodynamics and kinetics of thermocells, and proposes potential research directions.

MATERIALS TODAY ENERGY (2022)

Review Chemistry, Physical

Progress on predicting the electrochemical stability window of electrolytes

Ming Chen et al.

Summary: This review provides an overview of the progress made in simulation models for predicting electrolyte electrochemical stability windows, ranging from simple isolated molecule/ion models to complex electrode-electrolyte interface models.

CURRENT OPINION IN ELECTROCHEMISTRY (2022)

Article Engineering, Environmental

Remarkable 8.3% efficiency and extended electron lifetime towards highly stable semi-transparent iodine-free DSSCs by mitigating the in-situ triiodide generation

Anil Kumar Bharwal et al.

Summary: This study investigates the use of ionic liquids and polysiloxane-based poly(ionic liquid)s as electrolytes in quasi-solid-state dye-sensitized solar cells (DSSCs). The interaction between ionic liquids and polysiloxane-based poly(ionic liquid)s is studied, and the effect on the photovoltaic performance of the cells is evaluated. The results show that removing iodine from the electrolytes enhances the open-circuit voltage and photocurrent due to reduced charge recombination and extended effective electron lifetime. Adding ethylene carbonate further improves the ionic conductivity and efficiency of the cells, while maintaining long-term stability.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Energy & Fuels

Evaluation and kinetic study of alkaline ionic liquid for biodiesel production through transesterification of sunflower oil

Ana Carolina Lima et al.

Summary: Ionic liquid choline hydroxide (ChOH) was successfully applied as a catalyst for the transesterification reaction of triacylglycerols present in sunflower oil with methanol. The experimental results showed that a high ester yield can be achieved in a short reaction time under specific conditions. Kinetic modeling study indicated that a first-order model is the best fit for the reaction.
Article Energy & Fuels

Ionic liquid grafted NH2-UiO-66 as heterogeneous solid acid catalyst for biodiesel production

Ping Lu et al.

Summary: The acidic ionic liquid was successfully incorporated into NH2-UiO-66 through acid-base interaction to create a novel heterogeneous catalyst. The catalyst exhibited good wettability and high acidity, resulting in excellent catalytic activities and reusability in biodiesel production.
Article Energy & Fuels

Optimization and kinetics of biodiesel production from soybean oil using new tetraethylammonium ionic liquids with amino acid-based anions as catalysts

Xiaohang Wang et al.

Summary: Eleven ionic liquids composed of tetraethylammonium and amino acids were synthesized and evaluated for their catalytic capability in transesterification reactions. Tetraethylammonium arginine showed the highest catalytic activity. By adjusting the reaction conditions, a biodiesel conversion rate of 98.4% was achieved in 60 minutes.
Article Engineering, Chemical

CO2/Hydrocarbon Selectivity of Trihexyl(tetradecyl)phosphonium-Based Ionic Liquids

Yuki Suzuki et al.

Summary: In this study, the CO2 Henry's law constants for several ionic liquids were predicted using the COSMO-RS method and machine learning. The solubilities of hydrocarbons in these selected ionic liquids were measured, and the CO2/hydrocarbon selectivities were calculated based on the experimental data. The results show that the selectivity depends on the anion of the ionic liquid.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

Article Green & Sustainable Science & Technology

Reaction-extraction platforms towards CO2-derived cyclic carbonates catalyzed by ionic liquids

Alejandro Belinchon et al.

Summary: This work investigates two closed-cycle processes for the regeneration of homogeneous catalysts based on ionic liquids through liquid-liquid extraction. The study demonstrates the efficiency of liquid-liquid extraction as a separation method for cyclic carbonates and ionic liquid catalysts.

JOURNAL OF CLEANER PRODUCTION (2022)

Article Chemistry, Physical

The use of 1-ethyl-3-methylimidazolium iodide ionic liquid in dye sensitized solar cells: A joint experimental and computational perspective

Amin Reza Zolghadr et al.

Summary: The study investigated the effects of electrolyte solutions containing acetonitrile solvent and various salts on the performance of dye-sensitized solar cells (DSSCs). Experimental results showed that the DSSC exhibited high performance when a mixture of potassium iodide (KI) and 1-ethyl-3-methylimidazolium iodide ionic liquid (Emim-I) was used. Additionally, molecular dynamics simulations were conducted to study the interface of solid/liquid electrolytes, revealing the significant influence of cations on the density distribution of anions at the interface.

JOURNAL OF MOLECULAR LIQUIDS (2022)

Article Chemistry, Physical

Low-viscosity quaternary ammonium-based ionic liquid electrolytes for lithium air batteries

Hyunjee Yoon et al.

Summary: Ionic liquids (ILs) have potential as electrolyte solvents for Li-air batteries due to their unique properties. However, the high viscosity of IL-based electrolytes limits battery performance. This study successfully synthesized low-viscosity ILs and demonstrated their improved performance in cell tests. The optimized IL N111(1O2) FSI showed significantly higher initial capacity compared to the reference material DEME FSI.

JOURNAL OF MOLECULAR LIQUIDS (2022)

Review Chemistry, Physical

Recent development of ionic liquid-based electrolytes in lithium-ion batteries

Xiao Tang et al.

Summary: Ionic liquid-based electrolytes have been developed in lithium-ion batteries to enhance safety and performance. This review summarizes the recent progress in the physiochemical properties, interphase formation ability, and electrochemical performance of ionic liquids and ionic liquid-based electrolytes. The applications of different types of ionic liquid-based electrolytes are discussed in detail. The challenges and perspectives for further development of ionic liquid-based electrolytes in lithium-ion batteries are also presented.

JOURNAL OF POWER SOURCES (2022)

Article Chemistry, Physical

Investigation of protic ionic liquid electrolytes for porous RuO2 micro-supercapacitors

Jensheer Shamsudeen Seenath et al.

Summary: This report presents the development of a new type of micro-supercapacitor that uses RuO2 electrodes and pseudocapacitive charge storage in ionogel electrolytes. The micro-supercapacitor demonstrates extended cell voltage and higher energy density compared to conventional electrolytes. It also exhibits high areal capacitance and long-term cycling stability, making it suitable for on-chip IoT-based device applications.

JOURNAL OF POWER SOURCES (2022)

Review Materials Science, Multidisciplinary

A review of carbon materials for supercapacitors

Zuozhao Zhai et al.

Summary: This article discusses the growing importance of supercapacitors in the energy storage industry and the significant role of carbon materials in their development. The energy storage mechanisms and commonly used carbon electrode materials are presented, along with their applications in the field of supercapacitors. The article also explores the future trends of carbon-based supercapacitors.

MATERIALS & DESIGN (2022)

Review Green & Sustainable Science & Technology

A comprehensive review of membrane-based absorbers/desorbers towards compact and efficient absorption refrigeration systems

Zengguang Sui et al.

Summary: This paper provides a comprehensive review of the use of microporous membranes in absorption refrigeration systems (ARSs). It discusses the materials, absorbers/desorbers, working fluids, and enhancement techniques related to membrane-based ARSs. The review shows that membrane-based ARSs have gained increasing interest and can significantly improve the performance of the system. Future developments should focus on addressing membrane wetting and fouling issues to enable wider use of renewable/waste-powered ARSs for small-capacity applications.

RENEWABLE ENERGY (2022)

Editorial Material Multidisciplinary Sciences

The role of concentration in electrolyte solutions for non-aqueous lithium-based batteries

Guinevere A. Giffin

Summary: The article discusses the correlation between the physicochemical properties of non-standard electrolyte solutions and their ability to enhance energy storage performance of lithium-based batteries, presenting the current research progress and future perspectives.

NATURE COMMUNICATIONS (2022)

Review Chemistry, Physical

Rechargeable Dual-Carbon Batteries: A Sustainable Battery Technology

Mike Tebyetekerwa et al.

Summary: This article provides an overview of the development, electrochemistry, and challenges of dual-carbon batteries (DCBs). It summarizes past lessons in ion intercalation and addresses current issues affecting DCBs, along with potential remedies. The article also highlights the importance of significant research efforts in advancing the commercialization and adoption of DCBs for a sustainable and circular economy.

ADVANCED ENERGY MATERIALS (2022)

Article Chemistry, Physical

Ionic Liquid Mixture Electrolyte Matching Porous Carbon Electrodes for Supercapacitors

Yuhua Zhao et al.

Summary: This study investigates the relationship between the pore size of porous carbon electrode materials and the ion size and shape of ionic liquids, showing potential for improving the capacitive performance of supercapacitors. Matching different IL mixtures with carbon-based electrode materials of specific pore size distributions could offer a new strategy to enhance supercapacitor performance.

MATERIALS (2022)

Article Chemistry, Multidisciplinary

Competition of Dual Roles of Ionic Liquids during In Situ Transesterification of Wet Algae

Dan Ding et al.

Summary: Ionic liquids play a dual role as solvents and catalysts in the in situ transesterification of wet algae. We studied the variations in fatty acid methyl ester (FAME) yields and cellulose solubilities of three types of ionic liquids ([Bmim][HSO4], [Bmim][H2PO4], and [Bmim]2[HPO4]) under different water conditions. Our results show that the catalytic properties and cellulose solubilities of the ionic liquids compete with each other under different water contents.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

Article Chemistry, Multidisciplinary

Establish an Advanced Electrolyte/Graphite Interphase by an Ionic Liquid-Based Localized Highly Concentrated Electrolyte for Low- Temperature and Rapid-Charging Li-Ion Batteries

Zhicheng Wang et al.

Summary: A facile strategy using an ionic liquid-based localized highly concentrated electrolyte has been reported to solve the compatibility issue between ionic liquid electrolytes and graphite, enabling the establishment of a thin and robust solid electrolyte interphase on the graphite anode. This design improves the performance and stability of the battery.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

Article Chemistry, Physical

High p- and n-type thermopowers in stretchable self-healing ionogels

Sijing Liu et al.

Summary: This study reports on a flexible ionic thermoelectric material for ultrasensitive thermal detection. The material exhibits large and tunable p- and n-type thermopowers, as well as stretchability and self-healing properties.

NANO ENERGY (2022)

Article Energy & Fuels

Triethylammonium thiocyanate ionic liquid electrolyte-based supercapacitor fabricated using coconut shell-derived electronically conducting activated charcoal electrode material

A. D. T. Medagedara et al.

Summary: Organic solvents are commonly used in supercapacitors as electrolytes, but their drawbacks include high volatility, toxicity, and environmental issues. In this study, a novel and low-cost ionic liquid based on triethylammonium cation and thiocyanate anion was synthesized and used as the electrolyte in a low-cost supercapacitor. The electrode material used was electronically conducting activated carbon derived from cleaned coconut shells. The temperature dependence of electrolyte conductivity was investigated, and the ion transport kinetics behaved according to the Vogel-Tammann-Fulcher (VTF) model. The optimized electrode fabrication method resulted in the highest specific capacitance in the supercapacitor assembly.

JOURNAL OF ENERGY STORAGE (2022)

Review Electrochemistry

Electrolyte design for rechargeable anion shuttle batteries

Yao Wang et al.

Summary: As an emerging battery chemistry, the anion shuttle battery (ASB) is considered a sustainable alternative for gigawatt-scale energy storage due to its resource abundance, low cost, safety, and energy density. However, challenges such as short lifetime, limited capacity, and low efficiency hinder its practical applications. Therefore, it is necessary to design and explore new electrolyte systems with high stability and compatibility for anion electrochemical reactions.

ESCIENCE (2022)

Article Chemistry, Physical

Data-driven selection of electrolyte additives for aqueous magnesium batteries

Tim Wuerger et al.

Summary: This study evaluates the robustness and predictive performance of two QSPR models and proposes a multi-objective optimization method to accelerate the discovery of advanced battery systems.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Article Multidisciplinary Sciences

Synthesis of aprotic ionic liquids

Spyridon Koutsoukos et al.

Summary: This article provides a guide to the synthetic practices of ionic liquids (ILs), highlighting the considerations in choosing the synthetic route and evaluating the advantages and disadvantages of each route.

NATURE REVIEWS METHODS PRIMERS (2022)

Article Chemistry, Multidisciplinary

An azobenzene-modified redox-active ionic liquid electrolyte for supercapacitors

Yuhua Zhao et al.

Summary: A new redox-active ionic liquid has been demonstrated to improve the capacitance performance of carbon-based supercapacitors by introducing it into the electrolyte. This opens up a new pathway for developing high-energy supercapacitors.

CHEMICAL COMMUNICATIONS (2022)

Review Green & Sustainable Science & Technology

Recent Progress in Materials Exploration for Thermocatalytic, Photocatalytic, and Integrated Photothermocatalytic CO2-to-Fuel Conversion

Wenjun Zhang et al.

Summary: The conversion of carbon dioxide to fuel is an ideal method for reducing atmospheric CO2 concentration, but efficient conversion remains challenging. Photothermocatalysis has emerged as an intelligent strategy in recent years to improve CO2 conversion efficiency using solar energy. This review highlights the recent advancements in materials designing for practical CO2 conversion over the past five years, emphasizing reaction pathways and mechanisms.

ADVANCED ENERGY AND SUSTAINABILITY RESEARCH (2022)

Review Chemistry, Multidisciplinary

Thermo-electrochemical cells for heat to electricity conversion: from mechanisms, materials, strategies to applications

Youfa Liu et al.

Summary: This article comprehensively summarizes thermo-electrochemical cells (TECs) from their foundations to materials, strategies to engineering designs, and opportunities to challenges, aiming to promote the development of TECs towards superior performance and practicability.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

Review Energy & Fuels

Recent developments in high-performance Nafion membranes for hydrogen fuel cells applications

Li-Yu Zhu et al.

Summary: Polymer electrolyte membrane fuel cells have gained attention as a promising alternative to petroleum fossil energy due to their low pollution emission, high energy density, portability, and long operation times. However, the performance degradation and high permeability of traditional proton exchange membrane Nafion remain major challenges. This review summarizes the latest achievements in improving the performance of Nafion, particularly for elevated temperature or methanol-fueled systems. Various methods and composite membranes utilizing hydrophilic inorganic material, metal-organic frameworks, nanocomposites, and ionic liquids are discussed. Further revolutionary approaches are needed to accelerate the application of fuel cells and promote the renewal of energy structure.

PETROLEUM SCIENCE (2022)

Review Chemistry, Multidisciplinary

Functions and performance of ionic liquids in enhancing electrocatalytic hydrogen evolution reactions: a comprehensive review

Kang Chen et al.

Summary: This comprehensive review examines the functions and performance of ionic liquids (ILs) in enhancing the efficiency of hydrogen evolution reaction (HER) in electrochemical systems. ILs can be used as electrolytes or electrolyte additives, and they play multiple functional roles in the synthesis of HER electrocatalysts. With the assistance of ILs, the HER efficiency of electrocatalysts is significantly improved.

RSC ADVANCES (2022)

Review Chemistry, Physical

Recent Progress in Thermal Conversion of CO2 via Single-Atom Site Catalysis

Qishun Wang et al.

Summary: CO2 emissions are a global concern, and converting CO2 into value-added products has great potential in industry. Research on single-atom site catalysis has become increasingly systematic, aiming to understand the structure-performance relationship of catalysts in CO2 activation. However, there is still much to be learned about the synthetic procedure and reaction pathway, requiring further efforts.

SMALL STRUCTURES (2022)

Article Chemistry, Physical

Design of a multi-functional gel polymer electrolyte with a 3D compact stacked polymer micro-sphere matrix for high-performance lithium metal batteries

Jiyuan Liang et al.

Summary: This study presents a novel 3D densely packed multifunctional crosslinked gel polymer electrolyte (PHGPE) with a compact-stacked and crosslinked micro-sphere structure, which enables uniform Li plating/stripping and robust solid electrolyte interphases (SEIs) formation. The PHGPE shows excellent cyclability and compatibility with high-voltage cathodes, opening up new possibilities for high-performance lithium metal batteries (LMBs).

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Review Electrochemistry

Solid-state lithium batteries: Safety and prospects

Yong Guo et al.

Summary: Solid-state lithium batteries have excellent potential energy density, but their safety has been overestimated. This review introduces a safety evaluation methodology and focuses on the structure, conductivity, compatibility, and stability of two types of solid-state electrolytes, discussing their correlation with battery safety. Future avenues for improving the safety of solid-state lithium batteries are also discussed.

ESCIENCE (2022)

Article Engineering, Electrical & Electronic

Deciphering the superior thermoelectric property of post-treatment-free PEDOT:PSS/IL hybrid by X-ray and neutron scattering characterization

Xin Li et al.

Summary: A polymer and ionic liquid hybrid with superior thermoelectric performance was prepared through system design and structure manipulation in solution. It showed high power factor and optimized conductivity and Seebeck coefficient.

NPJ FLEXIBLE ELECTRONICS (2022)

Article Nanoscience & Nanotechnology

Unveiling the Impact of the Cations and Anions in Ionic Liquid/Glyme Hybrid Electrolytes for Na-O-2 Batteries

Laura Garcia-Quintana et al.

Summary: Hybrid electrolytes composed of diglyme and ionic liquids were investigated for Na-O-2 batteries to control the growth and purity of discharge products. The chemical composition of ILs significantly affects the morphology and composition of discharge products, with the electrolyte properties and Na+ speciation playing crucial roles. The use of pyrrolidinium IL with a linear alkyl chain resulted in smaller discharge particle sizes and higher Coulombic efficiency in long-term cycling of Na-O-2 batteries.

ACS APPLIED MATERIALS & INTERFACES (2022)

Review Biotechnology & Applied Microbiology

Enzyme co-immobilization: Always the biocatalyst designers' choice ... or not? ...

Sara Arana-Pena et al.

Summary: Enzyme co-immobilization offers kinetic advantages but also drawbacks, such as the need to discard the entire biocatalyst if one enzyme becomes inactivated. The co-immobilization of cofactors and enzymes is of particular interest for the construction of artificial cells and complex one-pot transformations.

BIOTECHNOLOGY ADVANCES (2021)

Article Engineering, Chemical

Ionic liquid screening for CO2 capture and H2S removal from gases: The syngas purification case

Mohsen Taheri et al.

Summary: A systematic approach for ionic liquid screening in acid gas removal processes was developed, considering a wide range of factors influencing process performance. The method explored optimal solvents for CO2 and H2S absorption from syngas, utilizing predictive models and analysis of intermolecular interactions for theoretical insights.

CHEMICAL ENGINEERING SCIENCE (2021)

Review Chemistry, Multidisciplinary

Ultrasound-intensified biodiesel production from algal biomass: a review

Dipesh Shikchand Patle et al.

Summary: This article reviews the techniques of conventional and in situ biodiesel synthesis from microalgae, with a focus on ultrasound-assisted biodiesel production. The study found that biodiesel production through ultrasonication assisted in situ processing of wet microalgae is at least three times more expensive than biodiesel production through conventional mechanisms from feedstocks such as waste cooking oil. The feasibility of ultrasound-intensified biodiesel production from microalgae is discussed.

ENVIRONMENTAL CHEMISTRY LETTERS (2021)

Review Chemistry, Multidisciplinary

Techniques of lipid extraction from microalgae for biofuel production: a review

Sze Ying Lee et al.

Summary: This review focuses on the importance of lipid extraction and key technologies in microalgae biofuel production, proposing strategies to enhance yield.

ENVIRONMENTAL CHEMISTRY LETTERS (2021)

Article Biochemistry & Molecular Biology

Enhanced Performance of Polymer Electrolyte Membranes via Modification with Ionic Liquids for Fuel Cell Applications

Jonathan Teik Ean Goh et al.

Summary: By combining Nafion(R) with ionic liquids (2-HEAF and PAN), this study developed PEM membranes with higher ion exchange capacity and water uptake, leading to increased proton conductivity compared to pure Nafion(R) membrane.

MEMBRANES (2021)

Article Nanoscience & Nanotechnology

Concentrated-Polymer-Brush-Modified Silica Nanoparticles Self-Assembled in Ionic Liquid Containing Iodide/Triiodide (I-/I3-)-Redox System as Quasi-Solid Electrolytes for Dye-Sensitized Solar Cells

Yohei Nakanishi et al.

Summary: This study utilized a specific ratio of concentrated-polymer-brush-modified silica nanoparticles with an ionic liquid electrolyte to fabricate a colloidal crystal membrane for dye-sensitized solar cells. The formed structure showed high ionic conductivity and allowed for continuous ion transport channels. The self-assembly of PSiPs in suspension was attributed to the highly repulsive and non-interpenetrating interaction of swollen concentrated polymer brushes.

ACS APPLIED NANO MATERIALS (2021)

Article Green & Sustainable Science & Technology

The impact of poly (ionic liquid) on the phosphoric acid stability of polybenzimidazole-base HT-PEMs

Fengxiang Liu et al.

Summary: By preparing highly conductive composite membranes based on fluorine-containing poly-benzimidazoles and poly (ionic liquid), this study demonstrated improved phosphoric acid stability and proton conductivity, paving the way for stable proton-conducting membrane applications.

RENEWABLE ENERGY (2021)

Article Chemistry, Applied

A highly concentrated vanadium protic ionic liquid electrolyte for the vanadium redox flow battery

Georgios Nikiforidis et al.

Summary: A protic ionic liquid has been designed and implemented as a solvent for a high energy density vanadium redox flow battery, increasing the energy density by 2.5 times. The proposed electrolyte showed promising performance in various aspects and provided a new route to improve the energy-to-volume ratio of energy storage systems.

JOURNAL OF ENERGY CHEMISTRY (2021)

Article Energy & Fuels

A hybrid compression-assisted absorption thermal battery with high energy storage density/efficiency and low charging temperature

Zhixiong Ding et al.

Summary: With the exacerbation of global warming, environmental pollution, and energy crisis, absorption thermal energy storage has become a widely focused research topic. This study proposes a hybrid compression-assisted absorption thermal energy storage cycle to improve energy storage performance, achieving higher energy storage efficiency and density with faster charging/discharging rates under lower charging temperatures.

APPLIED ENERGY (2021)

Article Engineering, Chemical

Silica-supported morpholine alkaline ionic liquid catalysts for preparation of biodiesel

Xiang-Rui Zeng et al.

Summary: The biodiesel was successfully synthesized by transesterification of soybean oil and methanol using a silica-supported morpholine alkaline ionic liquid catalyst at ambient temperature. The catalyst showed good reusability without significant decrease in catalytic activity, with a high yield of biodiesel obtained under optimal reaction conditions.

CANADIAN JOURNAL OF CHEMICAL ENGINEERING (2021)

Review Chemistry, Physical

Homogeneous and Heterogeneous Ionic Liquid System: Promising Ideal Catalysts for the Fixation of CO2 into Cyclic Carbonates

Zhuo-Jian Li et al.

Summary: This article reviews recent literature on the use of ionic liquid catalysts to fix carbon dioxide into cyclic carbonates, discusses the progress of current research and the problems that need to be addressed, and summarizes the basic principles for designing ionic liquid catalysts for the reaction in question as well as highlighting directions for future research.

CHEMCATCHEM (2021)

Review Chemistry, Multidisciplinary

Thermoelectric Converters Based on Ionic Conductors

Xun Wu et al.

Summary: Ionic thermoelectric materials represent a new paradigm for harvesting low-grade heat with higher Seebeck coefficient and lower thermal conductivity, and possess advantages of high flexibility, low cost, limited environmental pollution, and self-healing capability. They have been applied in supercapacitors, wearable devices, and fire warning systems, showing great potential for future development.

CHEMISTRY-AN ASIAN JOURNAL (2021)

Article Engineering, Environmental

Hydrofluoroether-assisted dilution of Na-ion concentrated ionic liquid electrolyte for safe, stable cycling of high-voltage Na-metal batteries

Sukhyung Lee et al.

Summary: By developing a Na+ ion concentrated LNCIL electrolyte, the voltage stability and Na dendrite protection of Na metal batteries have been successfully improved. The addition of HFE lowers viscosity, improves separator wettability, facilitates Na+ ion transport, and promotes the involvement of dual anions to suppress Na dendrite growth.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Physical

A study on the microstructural development of gel polymer electrolytes and different imidazolium-based ionic liquids for dye-sensitized solar cells

Pedram Manafi et al.

Summary: A quasi-solid state electrolyte based on polymer matrix PVDF-HFP/PEO was studied as a candidate for DSSC production, demonstrating improved performance compared to liquid electrolyte. The composition range of PVDFHFP/PEO membranes and the presence of various ionic liquids were found to affect membrane properties and the photovoltaic performance of DSSC. The reduction in crystallinity was found to be directly related to the improvement of ionic conductivity, leading to enhanced solar conversion efficiency.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Physical

Recent developments and future perspectives of anionic batteries

Guruprakash Karkera et al.

Summary: This paper reviews the development of anionic batteries, focusing on the origin, progress, and advancements of chloride-ion and fluoride-ion batteries.

JOURNAL OF POWER SOURCES (2021)

Article Green & Sustainable Science & Technology

Zirconium-based MOFs-loaded ionic liquid-catalyzed preparation of biodiesel from Jatropha oil

Qiqi Dai et al.

Summary: Through experiments, it was found that PSH/UiO-66-NO2 is the most effective catalyst with a conversion rate of Jatropha oil up to 96.69%. The optimum reaction conditions were determined through orthogonal tests, including reaction temperature, catalyst dosage, methanol to oil ratio, and reaction time.

RENEWABLE ENERGY (2021)

Article Chemistry, Multidisciplinary

How Does the Moisture Affect CO2 Absorption by a Glycinate Ionic Liquid?

Zhaojun Min et al.

Summary: Ionic liquids show great potential in CO2 capture, with water playing a critical role in enhancing the absorption capacity of wet CO2. The presence of water leads to the production of new species, activation of specific absorption sites, and significantly improves the overall CO2 capture efficiency. Additionally, the study highlights the importance of understanding the effect of water on the absorption capacity of CO2 by various absorption sites in ionic liquids.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Green & Sustainable Science & Technology

Processing of lignocellulose in ionic liquids: A cleaner and sustainable approach

Umair Qasim et al.

Summary: This article discusses the application of ionic liquids in lignocellulose processing and highlights their advantages over traditional chemicals and solvents. It also identifies areas for future research, such as the synthesis of low-cost ionic liquids and the integration of ionic liquid pretreatment processes.

JOURNAL OF CLEANER PRODUCTION (2021)

Article Engineering, Chemical

Machine Learning for Ionic Liquid Toxicity Prediction

Zihao Wang et al.

Summary: Machine learning models were developed to predict the toxicity of ionic liquids, with the support vector machine algorithm slightly outperforming the feedforward neural network algorithm; after structure optimization through five-fold cross validation, the models exhibited high predictive accuracy and can be useful for computer-aided molecular design of environmentally friendly ILs.

PROCESSES (2021)

Article Chemistry, Multidisciplinary

Insight into the Solid Electrolyte Interphase Formation in Bis(fluorosulfonyl)Imide Based Ionic Liquid Electrolytes

Charl J. Jafta et al.

Summary: The formation of the solid electrolyte interphase (SEI) in an ionic liquid electrolyte of 0.5 M lithium bis(fluorosulfonyl)imide (LiFSI) in 1-ethyl-3-methylimidazolium bis(fluorosulfonyl)imide at high cell voltages (1.7-1.9 V) was investigated in ordered mesoporous carbon (OMC) based Li metal cells using an operando small-angle neutron scattering (SANS) technique coupled with electrochemical impedance spectroscopy and ex situ X-ray photoelectron spectroscopy (XPS). It was demonstrated that discharging the OMC Li metal cells to approximately 2 V and holding the cell voltage constant induces a rapid current increase with time, confirming extensive reduction and SEI formation. XPS analysis revealed that LiF is formed at open cell voltage (OCV), attributed to the carbenes generated at the lithium negative electrode reacting with EMIm cation diffusing to and initiating the reaction with FSI- anions at the carbon positive electrode. It was confirmed that the chemical reaction at OCV and electrochemical reduction at high cell voltage of the FSI- anion plays a protective role against EMIm cation co-intercalation into the carbon positive electrode during the initial discharge. Operando SANS studies also suggest that slight differences occur in the surface composition and reaction mechanism as a function of cell voltage.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Physical

Study of Proton Transport in Diethylmethylammonium Poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide]-Based Composite Membranes with Triflic Acid and Diethylmethylamine-Rich Compositions

Azhar Hussain Shah et al.

Summary: The study examined the effect of acid and base-rich conditions on the proton dynamics of a polymer electrolyte, highlighting changes in glassy/amorphous nature, thermal properties, and conductivity. Results showed that the ionic conductivity is completely decoupled from segmental motion of the polymer, and different mechanisms were observed for proton conduction in the polymer composites with HTf and DEMA additives.

JOURNAL OF PHYSICAL CHEMISTRY B (2021)

Article Chemistry, Multidisciplinary

Direct CO2 Capture and Reduction to High-End Chemicals with Tetraalkylammonium Borohydrides

Loris Lombardo et al.

Summary: This study demonstrates the superior ability of tetraalkylammonium borohydrides in capturing and reducing CO2, with the alkyl chain length playing a significant role in the reaction kinetics and thermodynamics. The results suggest efficient CO2 capture, reduction, and utilization can be achieved with these materials.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Review Chemistry, Physical

Applications of poly ionic liquids in proton exchange membrane fuel cells: A review

Hosni Ahmed Elwan et al.

Summary: Poly ionic liquids (ILs), which combine the conventional features of polymers with unique characteristics of ILs, are being increasingly explored for advanced electrochemical applications like fuel cells. This review focuses on the applications of poly ILs in polymer electrolyte membrane fuel cells (PEMFCs), including different approaches to incorporating poly ILs in polymer electrolyte membranes (PEMs) and their performance in PEMFCs. Additionally, the contributions of poly ILs in improving the cathodic oxygen reduction reaction (ORR) of PEMFCs are discussed, along with recommendations for future research and usage of poly ILs in PEMFCs.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Physical

Novel double cross-linked membrane based on poly (ionic liquid) and polybenzimidazole for high-temperature proton exchange membrane fuel cells

Fengxiang Liu et al.

Summary: Novel double cross-linked composite membranes were successfully fabricated using diazoniabicyclo-type poly (ionic liquid) with trimethoxysilane groups ([TSPDO]BrCl) and norbornene-type polybenzimidazole (NbPBI). The membranes exhibited enhanced thermal stability, mechanical properties, and proton conductivity, with the NbPBI-TSPDO30 membrane showing the highest proton conductivity at 170 degrees C. Furthermore, the membranes displayed improved PA retention rates under different temperature and humidity conditions.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Multidisciplinary

Highly hydroxide-conductive anion exchange membrane with PIL@MOF-assisted ion nanochannels

Jia Chen et al.

Summary: A high hydroxide-conducting anion exchange membrane with well-organized multi ion channels was fabricated by incorporating poly ionic liquids modified MIL101 (PIL@MIL101) into ImPPO. The hybrid membrane showed significantly improved OH conductivity, enhanced stability, and mechanical properties, making it a promising candidate for anion exchange membrane fuel cells.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

Review Chemistry, Physical

A review of proton exchange membranes based on protic ionic liquid/polymer blends for polymer electrolyte membrane fuel cells

Hosni Ahmed Elwan et al.

Summary: Protic ionic liquids are receiving increasing research attention due to their versatile properties, particularly as ideal electrolytes for proton exchange membrane fuel cells. Blending various polymers with protic ILs to form solid films for PEMFCs has been explored. Five conventional polymers combined with protic ILs are discussed in detail, along with other polymers used in PEMs based on protic ILs, to provide comprehensive coverage in this area of research.

JOURNAL OF POWER SOURCES (2021)

Article Green & Sustainable Science & Technology

Fabrication and properties of novel tubular carbon fiber-ionic liquids/stearic acid composite PCMs

Xiangguo Zhang et al.

Summary: Novel tubular carbon fiber-ionic liquids/stearic acid (CF-ILs/SA) composite phase change materials (PCMs) were fabricated with a centrifugal method at different spinning speeds, showing enhanced thermal conductivity and stability. The eutectic systems of SA and ILs were produced to adjust phase change behavior, resulting in improved latent heat and mechanical stability. These composite PCMs exhibit high potential for practical applications in solar energy utilization and waste heat recovery.

RENEWABLE ENERGY (2021)

Review Green & Sustainable Science & Technology

Membrane-based absorption cooling and heating: Development and perspectives

Chong Zhai et al.

Summary: Membrane-based absorption cycle technology offers excellent heat and mass transfer performance in small-scale applications, and is gaining increasing attention and development potential. Common membrane-based modules like plate-and-frame and hollow-fiber can improve heat transfer efficiency in absorbers, desorbers, and solution heat exchangers. Integrated components are proposed for further system size reduction, but challenges with cost and viscosity remain for ionic-liquid-based mixtures.

RENEWABLE ENERGY (2021)

Review Biotechnology & Applied Microbiology

Multiproduct Microalgae Biorefineries Mediated by Ionic Liquids

Michel H. M. Eppink et al.

Summary: Ionic liquids are used for the extraction and separation of biomolecules, allowing for the valorisation of biomass in biorefinery processes. Aqueous biphasic systems and emulsions can effectively fractionate microalgal biomass, with different components obtained through mechanical disruption.

TRENDS IN BIOTECHNOLOGY (2021)

Article Chemistry, Multidisciplinary

High-Efficiency Conversion of Ionic Liquid-Pretreated Woody Biomass to Ethanol at the Pilot Scale

Carolina A. Barcelos et al.

Summary: Using an IL pretreatment solvent, this study optimized the conversion of California woody biomass to ethanol, achieving nearly full conversion of glucose and xylose to ethanol. Demonstrating high efficiency in biomass-to-ethanol conversion, the process achieved >80% deconstruction efficiency, >90% fermentation efficiency, and high ethanol distillation efficiency.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Electrochemistry

Designing a Zn(BF4)2-Based Ionic Liquid Electrolyte to Realize Superior Energy Density in a Carbon-Based Zinc-Ion Hybrid Capacitor

Li Zhang et al.

Summary: This study demonstrates the use of a novel electrolyte to construct C-ZIHCs with high energy density, ensuring stability and long cycle life during charging/discharging processes.

CHEMELECTROCHEM (2021)

Article Chemistry, Multidisciplinary

Efficient CO2 absorption in aqueous dual functionalized cyclic ionic liquids

Surya Chandra Tiwari et al.

Summary: Novel dual functionalized ionic liquids were synthesized and used for efficient CO2 absorption, showing higher loading capacity compared to industrial amine absorbents. The study also demonstrated high absorption rate with favorable interfacial area, and efficient regeneration cyclic efficiency with minimal absorbent loss.

JOURNAL OF CO2 UTILIZATION (2021)

Article Multidisciplinary Sciences

Reversible electrochemical oxidation of sulfur in ionic liquid for high-voltage Al-S batteries

Huan Li et al.

Summary: The study demonstrates the reversible sulfur oxidation process in AlCl3/carbamide ionic liquid, with high efficiency of around 94% and wide range of workable high potentials. The Al-S battery based on sulfur oxidation can cycle steadily around 1.8 V, the highest operation voltage in Al-S batteries, providing valuable insights for the design of other high-voltage metal-sulfur batteries.

NATURE COMMUNICATIONS (2021)

Review Chemistry, Physical

Advances and Prospects of Dual-Ion Batteries

Xuewu Ou et al.

Summary: The dual-ion battery (DIB) has gained significant attention as a novel cost-effective, high operating voltage, and environmentally friendly energy storage device. The electrolyte in DIBs plays a crucial role in determining the performance, capacity, and energy density of the battery. Rational design and optimization of anode materials are necessary to match the fast reaction kinetics at the cathode side in DIBs.

ADVANCED ENERGY MATERIALS (2021)

Review Chemistry, Multidisciplinary

Rechargeable anion-shuttle batteries for low-cost energy storage

Qi Liu et al.

Summary: ASBs, as promising alternatives to lithium-ion batteries, have advantages such as low cost, long cyclic lifetime, and high energy density. This review comprehensively provides insights into the anion shuttling mechanisms of ASBs, including ARBs, DIBs, and RDIBs, while also discussing the latest progresses and challenges in electrode materials and electrolytes for ASBs. Additionally, it summarizes the existing dilemmas of ASBs and outlines the perspective of ASB technology for future grid storage.
Article Chemistry, Multidisciplinary

Catalysis Preparation of Biodiesel from Waste Schisandra chinensis Seed Oil with the Ionic Liquid Immobilized in a Magnetic Catalyst: Fe3O4@SiO2@[C4mim]HSO4

Jintao Yu et al.

Summary: The study aimed to synthesize a magnetic catalyst-immobilized ionic liquid for biodiesel preparation, and Fe3O4@SiO2@[C4mim]HSO4 showed the highest catalytic efficiency. Under the optimum reaction conditions, the yield of biodiesel was 0.557 g/g and the thermal value increased to 38.28 kJ/g. The catalyst maintained high catalytic efficiency even after multiple reuse cycles.

ACS OMEGA (2021)

Article Chemistry, Multidisciplinary

All-Printed Green Micro-Supercapacitors Based on a Natural-derived Ionic Liquid for Flexible Transient Electronics

Lorenzo Migliorini et al.

Summary: An all-printed fabrication process was used to create green, flexible, and ultra-thin supercapacitors capable of operating above 1.5 V. These supercapacitors, produced by aqueous spray casting and supersonic cluster beam deposition (SCBD), are stable to bending and have power values up to 120 kW kg(-1). This combination of fabrication techniques offers a versatile, scalable, and eco-friendly process for printing interconnected elements suitable for transient electronic systems.

ADVANCED FUNCTIONAL MATERIALS (2021)

Review Chemistry, Multidisciplinary

Nonaqueous Rechargeable Aluminum Batteries: Progresses, Challenges, and Perspectives

Jiguo Tu et al.

Summary: Rechargeable aluminum batteries (RABs) have attracted increasing attention for their potential advantages of low cost and high safety, although they are still in the early stages of development. Challenges remain in advancing RAB technology and addressing fundamental issues to promote practical applications.

CHEMICAL REVIEWS (2021)

Review Environmental Sciences

A comprehensive review on the synthesis and applications of ion exchange membranes

Shanxue Jiang et al.

Summary: Ion exchange membranes (IEMs) are experiencing prosperous development, with researchers showing great interest in this field. Green synthesis is critically discussed as a promising future direction. IEMs are extensively applied in various applications, mainly categorized into water-based and energy-based applications.

CHEMOSPHERE (2021)

Article Chemistry, Multidisciplinary

Guanidinium Organic Salts as Phase-Change Materials for Renewable Energy Storage

Karolina Matuszek et al.

Summary: Guanidinium mesylate demonstrates excellent performance in terms of thermal energy storage, with good thermal stability and cost-effectiveness. It proves to be a promising phase-change material for inexpensive energy storage in renewable energy applications.

CHEMSUSCHEM (2021)

Review Energy & Fuels

Ionic Liquids for Supercapacitive Energy Storage: A Mini-Review

Ling Miao et al.

Summary: Ionic liquids (ILs) have been widely utilized in promising energy-storage systems, particularly in supercapacitors, due to their characteristic negligible vapor pressure and molecular designability. They play a crucial role in electrolyte exploitation and electrode synthesis, enhancing interfacial physicochemical interactions for superior electrode capacitances. Challenges and future outlooks associated with IL media/materials for next-generation supercapacitor applications are also discussed in the review.

ENERGY & FUELS (2021)

Article Agricultural Engineering

Biodiesel preparation from Thlaspi arvense L. seed oil utilizing a novel ionic liquid core-shell magnetic catalyst

Ru Zhao et al.

Summary: A novel Fe3O4/graphene oxide-phenylalanine bisulfate ionic liquid core-shell magnetic catalyst was developed for producing biodiesel from field pennycress seed oil. The catalyst showed high catalytic efficiency and recyclability, with the resulting biodiesel meeting ASTM D6751 and EN 14214 standards.

INDUSTRIAL CROPS AND PRODUCTS (2021)

Article Biotechnology & Applied Microbiology

Ionic liquid-based microwave-assisted extraction of lipid and eicosapentaenoic acid from Nannochloropsis oceanica biomass: experimental optimization approach

Shiva Rezaei Motlagh et al.

Summary: The study successfully extracted lipids and EPA compounds from Nannochloropsis oceanica biomass using a combination of ionic liquids and microwave-assisted extraction. The optimized extraction parameters led to improved yields and EPA content. Results showed that the use of tetramethyl ammonium chloride as the IL performed better in extracting compounds from microalgae, suggesting potential for commercial applications.

JOURNAL OF APPLIED PHYCOLOGY (2021)

Article Green & Sustainable Science & Technology

One-step fabrication of polymeric self-solidifying ionic liquids as the efficient catalysts for biodiesel production

Xiaocheng Lin et al.

Summary: PSILs were fabricated by a facile reaction between PEI and PS, showing high catalytic activity and stability for biodiesel production. The one-step fabrication process of PSILs is simpler than traditional ILs, indicating potential advantages.

JOURNAL OF CLEANER PRODUCTION (2021)

Article Energy & Fuels

Optimization of rice straw pretreatment with 1-ethyl-3-methylimidazolium acetate by the response surface method

Helena Poy et al.

Summary: This study investigated the pretreatment of rice straw using the ionic liquid [Emim][OAc] to increase the enzymatic hydrolysis yield. The optimal conditions for pretreatment were found to be 120°C, 5 hours, and 5% solid loading, resulting in significant delignification and reduction of crystallinity index. The use of Fourier-transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) confirmed the more disordered and accessible structure of the rice straw after pretreatment with [Emim][OAc].

BIOMASS CONVERSION AND BIOREFINERY (2021)

Article Engineering, Electrical & Electronic

Development of proton conductive polymer electrolytes composed of sulfonated poly(ether ether ketone) and Bronsted acidic ionic liquid (1-methylimidazolium tetrafluoroborate)

Mesut Yilmazoglu

Summary: This study synthesized and characterized solid polymer electrolytes derived from sulfonated poly(ether ether ketone) and a Bronsted acidic ionic liquid. By incorporating different amounts of ionic liquid with sulfonated polymer matrices, the efficiency of the interaction was examined. The results showed that sPEEK(1.0)-2 sample exhibited maximum proton conductivity and thermomechanical stability under anhydrous environment, opening up new prospects for electrochemical applications.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

Article Chemistry, Physical

Fabrication of magnetic nanoparticles supported ionic liquid catalyst for transesterification of vegetable oil to produce biodiesel

Mu Naushad et al.

Summary: In this study, novel magnetic ionic liquid based nanocomposites were fabricated for the efficient production of biodiesel from palm oil. The results showed that [NiFe2O4@BMSI]HSO4 exhibited higher catalytic performance and reusability compared to NiFe2O4@BMSI]Br, making it a promising catalyst for transesterification reactions.

JOURNAL OF MOLECULAR LIQUIDS (2021)

Article Chemistry, Physical

Dynamics of Emim+ in [Emim][TFSI]/LiTFSI Solutions as Bulk and under Confinement in a Quasi-liquid Solid Electrolyte

C. A. Bridges et al.

Summary: Quasi-liquid solid electrolytes incorporating Li salts in ionic liquids show reduced mobility and increased activation energy of Emim(+) ions with higher concentrations, while incorporation into a BN matrix accelerates diffusivities of mobile Emim(+) cations and reduces activation energy due to immobilization near surfaces.

JOURNAL OF PHYSICAL CHEMISTRY B (2021)

Article Chemistry, Physical

Multifunctional poly(ionic liquid)s cross-linked polybenzimidazole membrane with excellent long-term stability for high temperature-proton exchange membranes fuel cells

Fengxiang Liu et al.

Summary: Novel high temperature-proton exchange membranes (HT-PEMs) are prepared based on norbornene-type PBI (NbPBI) and double bond ionic liquids, showing high proton conductivity and enhanced phosphoric acid retention. The NbPBI-MPIm membrane exhibits excellent performance at high temperatures. After acid-base doping, NbPBI-PIL membranes demonstrate superior proton transport properties.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Multidisciplinary

Atomic Indium Catalysts for Switching CO2 Electroreduction Products from Formate to CO

Weiwei Guo et al.

Summary: The use of atomic In catalysts for CO2 electroreduction to CO shows high efficiency and selectivity, offering a promising method to reduce greenhouse gas emissions. The catalyst demonstrates outstanding faradaic efficiency, total current density, and turnover frequency, along with remarkable stability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

Article Electrochemistry

Charge-Discharge Performance of Copper Metal Positive Electrodes in Fluorohydrogenate Ionic Liquids for Fluoride-Shuttle Batteries

Takayuki Yamamoto et al.

Summary: This study investigates the charge-discharge behavior of copper metal as positive electrodes in different FHIL electrolytes. It is found that electrolytes with low CuF2 solubilities can enhance the cycleability of copper metal positive electrodes.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2021)

Article Chemistry, Physical

A rechargeable 6-electron Al-Se battery with high energy density

Tong Zhang et al.

Summary: A high-capacity Al-Se battery was created by activating the Se(-II)/Se(0) couple into Se(0)/Se(IV) couple in an AlCl3 ionic liquid electrolyte. By employing Se/GA and O-CNT, the battery showed improved stability and high energy density, delivering record-setting cyclic performance in AIBs.

ENERGY STORAGE MATERIALS (2021)

Article Energy & Fuels

Ultrafine electrospun fiber based on ionic liquid/AlN/copolyamide composite as novel form-stable phase change material for thermal energy storage

Chao Lin et al.

Summary: A novel form-stable phase change material (FSPCM) based on ionic liquid/aluminum nitride/copolyamide composite was fabricated using electrospinning approach. The composite fiber showed excellent thermal properties and stability, making it suitable for thermal energy storage and temperature regulation applications.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

Review Acoustics

Ultrasound-assisted biomass valorization to industrial interesting products: state-of-the-art, perspectives and challenges

Erico M. M. Flores et al.

Summary: The review discusses the increasing application of ultrasound energy in converting lignocellulosic biomass and waste materials into value-added products. It covers theoretical aspects, challenges, and perspectives, highlighting the impact of ultrasound on the fragmentation, selectivity, and yield of conversion treatments. Additionally, it explores the synergistic effects between ultrasound and alternative green solvents for industrial applications.

ULTRASONICS SONOCHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Deconstruction of Woody Biomass via Protic and Aprotic Ionic Liquid Pretreatment for Ethanol Production

Lalitendu Das et al.

Summary: Ionic liquids (ILs) are important solvents for biomass conversion, with potential to produce biofuels from woody biomass in fire-prone states like California. This study evaluated different types of woody biomass from California and found that pretreatment with ILs like [EOA][OAc] and [Ch][Lys] can efficiently extract glucose and xylose for ethanol production. Blending different feedstocks can further enhance glucose and xylose yields, with the potential to achieve high overall conversion efficiency.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Chemistry, Multidisciplinary

Can Multiple Ions in an Ionic Liquid Improve the Biomass Pretreatment Efficacy?

Alexander Yao et al.

Summary: This study tested novel ionic liquid systems on woody and grassy biomass, finding that specific ion combinations can increase glucose and xylose yields while maintaining biocompatibility.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Review Chemistry, Multidisciplinary

Recent Advance in Ionic-Liquid-Based Electrolytes for Rechargeable Metal-Ion Batteries

Wenjun Zhou et al.

Summary: Battery energy storage systems have played a significant role in the informatization, mobility, and intellectualization of modern human society. Electrolytes, as a crucial component in batteries, play a key role in the advancement of battery technology. Room-temperature ionic liquids, with excellent properties, show great potential in enhancing battery performance.

ADVANCED SCIENCE (2021)

Review Engineering, Chemical

A Critical Review on the Development of Ionic Liquids-Based Nanofluids as Heat Transfer Fluids for Solar Thermal Energy

Titan C. Paul et al.

Summary: In recent years, solar thermal energy has become a focus of energy researchers, with ILs considered as potential candidates for the next generation of HTFs. The thermal properties and performance of ILs can be enhanced by dispersing nanoparticles, improving the efficiency of solar thermal systems.

PROCESSES (2021)

Review Chemistry, Physical

Liquid-state thermocells: Opportunities and challenges for low-grade heat harvesting

Jiangjiang Duan et al.

Summary: Thermocells offer advantages such as low cost, scalability, and high thermopower, but face challenges such as low conversion efficiency, low power density, and stability issues. Future research directions aim to develop more cost-effective, robust, and simpler thermocells, and expand their applications in low-grade heat harvesting, temperature detection, cooling, and beyond.

JOULE (2021)

Review Chemistry, Multidisciplinary

Ionic-Liquid-Catalyzed Approaches under Metal-Free Conditions

Yanfei Zhao et al.

Summary: Ionic liquids (ILs) offer promising metal-free catalysis by activating CO2 and other substrates to produce valuable chemicals under metal-free conditions. By designing task-specific ILs, it is possible to chemically capture and activate CO2, leading to the transformation of CO2 to various heterocycles and other chemicals without metal contamination. These IL-catalyzed processes display potential practical applications and can be beneficial for the production of value-added chemicals.

ACCOUNTS OF CHEMICAL RESEARCH (2021)

Article Nanoscience & Nanotechnology

A Chlorine-Free Electrolyte Based on Non-nucleophilic Magnesium Bis(diisopropyl)amide and Ionic Liquid for Rechargeable Magnesium Batteries

Wen Ren et al.

Summary: This study demonstrates the use of PP14TFSI ionic liquid as a cosolvent with THF to improve the ionic conductivity of MBA-based electrolytes, resulting in enhanced efficiency of Mg electrochemical plating/stripping. The addition of PP14TFSI significantly increases the current density of Mg plating/stripping and offers a potential new direction for practical applications of non-nucleophilic and chlorine-free electrolytes.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Engineering, Chemical

Integrated ionic liquid and rate-based absorption process design for gas separation: Global optimization using hybrid models

Xiang Zhang et al.

Summary: A new method for integrated design of ionic liquid (IL) and absorption process is proposed using rate-based process modeling incorporating absorption thermodynamics and kinetics. However, due to model complexity, the problem may face convergence failure. By employing tractable surrogate models to replace complex thermodynamic models, computational difficulty can be reduced to find the global optimum.

AICHE JOURNAL (2021)

Article Chemistry, Physical

Hydrophobic poly(ionic liquid)s as two-handed weapons: Maximizing lipase catalytic efficiency in transesterification of soybean oil toward biodiesel

Qian Wang et al.

Summary: The study successfully immobilized Candida antarctica lipase B on alkylated poly(ionic liquid) supports for biodiesel production, achieving higher yields than traditional catalysts and maintaining activity in seven recovery tests. The hydrophobic poly(ionic liquid) provided a suitable reaction environment and helped maintain the proper conformation of the lipase.

APPLIED CATALYSIS A-GENERAL (2021)

Article Chemistry, Physical

A magnetic ionic liquid redox couple for harvesting waste heat and mechanical energy

Lixian Jiang et al.

Summary: The thermo-electrochemical cell based on magnetic ionic liquids shows high ion conductivity and controllable diffusion under a magnetic field. Touching a magnet to the electrode generates a potential difference, suggesting new possibilities for harvesting both thermal and mechanical energies simultaneously.

CHEMICAL PHYSICS LETTERS (2021)

Article Chemistry, Multidisciplinary

Opportunities and Limitations of Ionic Liquid- and Organic Carbonate Solvent-Based Electrolytes for Mg-Ion-Based Dual-Ion Batteries

Verena Kuepers et al.

Summary: Dual-ion batteries (DIBs) are considered as an economically advantageous alternative to lithium-ion batteries in stationary energy storage applications due to the absence of transition metals and the use of low-cost materials. A systematic study on different electrolyte approaches for Mg-ion-based DIBs revealed opportunities for improvement, with the successful introduction of ethylene sulfite as an electrolyte additive significantly increasing specific discharge capacity. Additionally, highly concentrated carbonate-based electrolytes showed promise in providing adequate discharge capacities and high coulombic efficiencies for Mg-ion-based DIBs.

CHEMSUSCHEM (2021)

Article Energy & Fuels

Low-Melting-Point Ionic Liquid Electrolyte for an Intermediate-Temperature Sodium-Copper Chloride Battery

Congsu Niu et al.

Summary: This study evaluated the performance of sodium-metal chloride batteries operated at lower temperatures, with a focus on the impact of incorporating a low-melting-point catholyte. The results showed promising performance of the battery at decreased operating temperatures, highlighting the potential for wider applications in the future.

ENERGY & FUELS (2021)

Article Thermodynamics

Ionic liquids for microchannel membrane-based absorption heat pumps: Performance comparison and geometry optimization

Chong Zhai et al.

Summary: Microchannel membrane-based absorption heat pump (MMAHP) utilizing different H2O/IL mixtures shows potential in efficiency enhancement and size reduction, with certain IL mixtures outperforming others in terms of coefficient of performance. The study optimizes geometries to maximize efficiency and compactness, with some IL mixtures yielding higher COPs than conventional options like LiBr.

ENERGY CONVERSION AND MANAGEMENT (2021)

Article Engineering, Chemical

Data-Driven Ionic Liquid Design for CO2 Capture: Molecular Structure Optimization and DFT Verification

Xiang Zhang et al.

Summary: A novel computer-aided IL design method is proposed in this study, utilizing simple and reliable data-driven models to predict CO2 solubility. By formulating the IL design problem as a mixed-integer nonlinear programming problem, global optimal solutions are successfully obtained to enhance design reliability.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2021)

Article Chemistry, Physical

Phosphoric acid doped polybenzimidazole based polymer electrolyte membrane and functionalized SBA-15 mesoporous for elevated temperature fuel cell

Zahra Rajabi et al.

Summary: This research successfully fabricated H3PO4 doped polybenzimidazole/ionic liquid composite membranes for high-temperature fuel cell applications by introducing SBA-15 mesoporous. The addition of PAMAM mesoporous as protectors significantly improved the stability of the composite membranes under elevated temperature conditions.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

Article Chemistry, Physical

State-of-the-art ionic liquid & ionanofluids incorporated with advanced nanomaterials for solar energy applications

Likhan Das et al.

Summary: Ionic liquids and Ionanofluids show great potential as working fluids in solar energy systems due to their excellent thermal properties and energy storage capabilities. The incorporation of nanomaterials in Ionic Liquid has been shown to enhance their properties, while challenges and obstacles in practical application need to be addressed for successful implementation.

JOURNAL OF MOLECULAR LIQUIDS (2021)

Article Chemistry, Physical

Deep eutectic solvents and ionic liquid assisted hydrolysis of microalgal biomass: A promising approach towards sustainable biofuel production

Akshay Kulshrestha et al.

Summary: This study compares the use of ionic liquids and deep eutectic solvents for microalgal hydrolysis, with ethyl ammonium nitrate and menthol: lactic acid identified as the most effective solvent systems. SEM, FTIR, and XRD analysis indicate that these solvents can break down microalgal cell walls and release sugars efficiently for biofuel production.

JOURNAL OF MOLECULAR LIQUIDS (2021)

Article Chemistry, Physical

Effects of various anions and cations in ionic liquids on CO2 capture

Ozge Yuksel Orhan

Summary: The addition of ionic liquids significantly enhanced the CO2 capture performance, with [bmim][Ac] showing the highest CO2 equilibrium loading. The interactions between CO2 and the blend systems were characterized to analyze the reusability and potential performance losses of the solvent systems.

JOURNAL OF MOLECULAR LIQUIDS (2021)

Article Electrochemistry

Enabling a Stable High-Power Lithium-Bromine Flow Battery Using Task-Specific Ionic Liquids

Supratim Das et al.

Summary: This paper presents a high efficiency catalyst-free lithium-bromine rechargeable fuel cell, utilizing highly concentrated bromine catholytes with higher theoretical energy density than most lithium-ion cathode materials. The cell can electrodeposit lithium in a dendrite-free manner at high current densities, with a peak power density reaching a record high value.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2021)

Review Green & Sustainable Science & Technology

Conversion of lignocellulose to biofuels and chemicals via sugar platform: An updated review on chemistry and mechanisms of acid hydrolysis of lignocellulose

Ziyuan Zhou et al.

Summary: This paper reviews the acid hydrolysis of lignocellulose for sugar release, focusing on the chemistry and kinetics of concentrated acid and dilute acid hydrolysis. Challenges such as the difficulty in separating acid and sugar, high temperature requirements, and sugar degradation are discussed. Strategies for efficient recovery of acid catalysts, increasing sugar yield, and reducing sugar degradation need to be developed to overcome obstacles for commercialization. Integration and kinetic control of the process could help reduce energy consumption and extra cost of post-treatment. Solid acid hydrolysis, while advantageous for catalyst reuse, still has a long way to go for practical application.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

Article Acoustics

Unexpected acceleration of Ultrasonic-Assisted iodide dosimetry in the catalytic presence of ionic liquids

Sooridarsan Krishnan et al.

Summary: This study investigates the potential of using small amounts of ionic liquids to enhance ultrasound-assisted extraction of lipids content from green microalgae. The findings suggest that the addition of ILs improves ultrasonication by enhancing viscosity and reducing water surface tension, resulting in a more powerful acoustic cavitation process. Additionally, the yield of extracted lipids from green microalgae shows an incremental trend with increasing IL concentration.

ULTRASONICS SONOCHEMISTRY (2021)

Review Chemistry, Applied

Review on supercapacitors: Technologies and performance evaluation

Jingyuan Zhao et al.

Summary: The development of electrochemical capacitors has attracted significant attention in recent years. Research focuses on advanced electrode materials and cell design to improve energy density. The study emphasizes testing advanced ECs and projecting their potential for developing high-performance EC cells.

JOURNAL OF ENERGY CHEMISTRY (2021)

Review Chemistry, Applied

Ionic liquids for high performance lithium metal batteries

Kexin Liu et al.

Summary: The pursuit of high energy density has driven the development of high-performance lithium metal batteries, but it also brings about security issues. Ionic liquids have attracted attention for their high ionic conductivity and non-flammability, which are significant for improving lithium metal battery performance. The main strategies for future development of ionic liquid-based electrolytes for high performance lithium metal batteries will focus on molecular design, composition, and polymerization.

JOURNAL OF ENERGY CHEMISTRY (2021)

Review Chemistry, Physical

Exploration in materials, electrolytes and performance towards metal ion (Li, Na, K, Zn and Mg)-based hybrid capacitors: A review

Xi Liu et al.

Summary: Metal ion based hybrid capacitors have attracted attention due to their superior electrochemical properties and wide application prospects, including high energy density, high power density, and the ability to connect batteries and supercapacitors. Key research directions include electrode materials, selection and optimization of electrolytes, and electrochemical performance evaluation.

NANO ENERGY (2021)

Article Energy & Fuels

Cucurbit[8]uril-derived porous carbon as high-performance electrode material for ionic liquid-based supercapacitor

Tingting Zhu et al.

Summary: A novel macrocycle molecule, cucurbit[8]uril (CB8), was synthesized and used to fabricate porous carbon electrodes with ideal pore size distribution and high specific surface area. The assembled symmetric supercapacitor device achieved high specific energy and satisfactory cycling stability, demonstrating the effectiveness of the derived porous carbon material for high specific energy supercapacitors.

JOURNAL OF ENERGY STORAGE (2021)

Review Physics, Applied

Ionic Liquid-Based Electrolytes for Aluminum/Magnesium/Sodium-Ion Batteries

Na Zhu et al.

Summary: This review discusses the utilization and limitations of ionic liquid-based electrolytes in metal-based battery systems, highlighting their characteristics in safety, stability, and optimization, as well as strategies to address electrolyte corrosion and side reactions in the battery system.

ENERGY MATERIAL ADVANCES (2021)

Review Electrochemistry

Designing safer lithium-based batteries with nonflammable electrolytes: A review

Shichao Zhang et al.

Summary: Lithium-based batteries have made a significant impact on modern society, but safety issues like thermal runaway have hindered their practical application, especially with metal anodes. Recent research has focused on flame-retardant and nonflammable electrolytes, exploring their mechanisms, efficiency, and influence on battery performance. Future prospects involve designing safer lithium-based batteries with nonflammable electrolytes.

ESCIENCE (2021)

Article Chemistry, Multidisciplinary

Determinants of lithium-ion battery technology cost decline

Micah S. Ziegler et al.

Summary: The study found that the major reasons for the rapid decline in lithium-ion battery prices include efforts to increase cell charge density, reduce cathode materials prices, and lower non-material costs. Research and development, as well as learning-by-doing, were the main contributors to the observed cost reduction, with economies of scale playing a smaller role. Looking ahead, the nature of electrochemical battery technology presents further opportunities for new approaches and cost decline in batteries.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Electrochemistry

Promoting the sulfur redox kinetics by mixed organodiselenides in high-energy-density lithium-sulfur batteries

Meng Zhao et al.

Summary: The study introduces a mixed organodiselenides promoter to enhance the sulfur redox kinetics in lithium-sulfur batteries. This promoter enables high discharge capacity, energy density, and stability under practical working conditions, showcasing the potential for constructing high-energy-density Li-S batteries with improved performance.

ESCIENCE (2021)

Article Materials Science, Multidisciplinary

Probing the secrets of hydrogen bonding in organic salt phase change materials: the origins of a high enthalpy of fusion

Samantha L. Piper et al.

Summary: This study elucidated the role of hydrogen bonding in the energy storage mechanism by analyzing a range of novel and known protic organic salts. The importance of matching the number of hydrogen bond donor and acceptor sites in designing these systems was highlighted, as well as the detrimental effects of an increased density of hydrogen bonds on Delta H-f if the interactions are non-geometrically favored. Insights from this research should inform the design of future high-performance phase change materials for efficiently storing sustainable energy.

MATERIALS ADVANCES (2021)

Article Chemistry, Physical

Plasticized I2-free polysiloxane ionic conductors as electrolytes for stable and flexible solid-state dye-sensitized solar cells

Anil Kumar Bharwal et al.

Summary: The novel iodine-free polymer electrolyte used in flexible solid-state dye-sensitized solar cells demonstrates higher efficiency and stability due to improved V-oc and J(sc), reduced light absorption loss and charge recombination, and increased electron lifetime in the cells.

APPLIED SURFACE SCIENCE ADVANCES (2021)

Review Chemistry, Multidisciplinary

High-voltage liquid electrolytes for Li batteries: progress and perspectives

Xiulin Fan et al.

Summary: The energy density of LIBs has been increased threefold since their introduction, but the capacity of transition metal oxide cathodes is approaching its limit due to stability limitations of electrolytes. To further enhance energy density, new high-capacity and high-voltage cathode materials need to be explored, and graphite anodes may need to be replaced. One of the main challenges for future development is the development of new electrolyte compositions that can accommodate high-voltage cathodes and anodes while ensuring the stability of the batteries.

CHEMICAL SOCIETY REVIEWS (2021)

Review Chemistry, Physical

Ionic liquids/deep eutectic solvents for CO2 capture: Reviewing and evaluating

Yanrong Liu et al.

Summary: This study comprehensively collected and summarized the solubilities of CO2 in physical- and chemical-based ILs/DESs, as well as the COSMO-RS models predicting these properties. Chemical-based ILs/DESs were found to be more effective for CO2 capture, especially those with functionalized cations and anions, and superbase DESs.

GREEN ENERGY & ENVIRONMENT (2021)

Article Chemistry, Physical

Model-based optimal design of phase change ionic liquids for efficient thermal energy storage

Huaiwei Shi et al.

Summary: In this study, a computer-aided molecular design method was used to systematically design IL PCMs, with [MPyEtOH][TfO] identified as the best material outperforming traditional PCM paraffin wax in terms of TES performance.

GREEN ENERGY & ENVIRONMENT (2021)

Review Chemistry, Multidisciplinary

Phase change material-integrated latent heat storage systems for sustainable energy solutions

Waseem Aftab et al.

Summary: Thermal energy storage, particularly latent heat TES, is crucial for sustainable energy development. The systems are categorized into solar-thermal storage, electro-thermal storage, waste heat storage, and thermal regulation, with a focus on efficient latent heat utilization and system design. Exciting research opportunities exist to further enhance the energy efficiency of integrated TES systems.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Review Chemistry, Multidisciplinary

High-efficiency thermocells driven by thermo-electrochemical processes

Meng Li et al.

Summary: Thermocells, a promising technology for converting low-grade heat into electricity, have recently seen breakthroughs in efficiency and power output. However, challenges such as volatility and degradation of redox couples continue to exist in the application of thermocells.

TRENDS IN CHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Rhododendron and Japanese Knotweed: invasive species as innovative crops for second generation biofuels for the ionoSolv process

Louis M. Hennequin et al.

Summary: The study revealed that the use of ionic liquid pretreatment technique can convert Japanese Knotweed and Rhododendron into lignocellulosic biofuel feedstocks. This process involves fractionating the biomass into a cellulose-rich pulp and lignin stream at high temperatures and short reaction times, followed by hydrolyzing cellulose into fermentable sugars which are then fermented into bioethanol as a renewable energy source.

RSC ADVANCES (2021)

Review Chemistry, Multidisciplinary

Ion regulation of ionic liquid electrolytes for supercapacitors

Jianze Feng et al.

Summary: As a member of the liquid electrolyte family, ionic liquids (ILs) are characterized by distinctive chemical and electrochemical stability, making them a promising candidate for high-performance supercapacitors (SCs). However, the high viscosity and poor ionic conductivity of ILs have hindered their rapid development in SC applications. One potential solution is ion regulation to modify IL electrolytes, leveraging the tunable nature of anions and cations. This paper provides an overview of recent advances in ion regulation for IL-based SCs, exploring the impact on energy storage mechanisms and electrochemical performance of electrode materials and devices. Additionally, it addresses the challenges and future directions for optimizing IL-based electrolytes in the next generation of SCs.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Review Chemistry, Multidisciplinary

Electrocatalysis for CO2 conversion: from fundamentals to value-added products

Genxiang Wang et al.

Summary: This article provides a comprehensive review of recent research progress on the selective electrocatalytic conversion of CO2 into value-added products. It covers the history and fundamental science of electrocatalytic CO2RR, the design, preparation, and performance evaluation of electrocatalysts, factors influencing the CO2RR, and associated theoretical calculations. Emphasis is placed on emerging trends in selective electrocatalytic conversion of CO2 and discussions on structure-performance relationships and mechanisms.

CHEMICAL SOCIETY REVIEWS (2021)

Review Chemistry, Multidisciplinary

High temperature proton exchange membrane fuel cells: progress in advanced materials and key technologies

Rizwan Haider et al.

Summary: High temperature proton exchange membrane fuel cells (HT-PEMFCs) have advantages such as fast reaction kinetics and high tolerance to impurities, but challenges like high cost and low durability hinder their practical applications. Researchers worldwide are focusing on exploring new materials and technologies to develop high-performance HT-PEMFCs. To facilitate further research and development of HT-PEMFCs, existing challenges are discussed and future research directions are proposed.

CHEMICAL SOCIETY REVIEWS (2021)

Article Biotechnology & Applied Microbiology

Integrated Design of Working Fluid Mixtures and Absorption Refrigeration Cycles

Athanasios I. Papadopoulos et al.

Summary: This study introduces a CAMD approach for the design of working fluid mixtures in absorption refrigeration cycles, incorporating a process model for evaluation of mixtures and allowing for simultaneous generation and assessment of molecular structures for refrigerants and absorbents. Novel mixtures identified show higher performance in COP and cooling output compared to a reference mixture, with potential for further improvements by including additional chemical groups in the CAMD process to mimic complex absorbent structures.

FRONTIERS IN CHEMICAL ENGINEERING (2021)

Review Engineering, Aerospace

Review of State-of-the-Art Green Monopropellants: For Propulsion Systems Analysts and Designers

Ahmed E. S. Nosseir et al.

Summary: Current research trends have driven the widespread use of green propellants in spacecraft for environmental sustainability and safety concerns, particularly focusing on propulsion system design for small satellites.

AEROSPACE (2021)

Article Materials Science, Multidisciplinary

Cathode-Electrolyte Interphase in Lithium Batteries Revealed by Cryogenic Electron Microscopy

Zewen Zhang et al.

Summary: The study reveals that, under normal operation conditions, there does not exist an intimate coating layer at the single-particle level in carbonate-based electrolyte, but upon brief external electrical shorting, a solid-electrolyte interphase might form on cathodes, which could be electrochemically converted into a stable, conformal CEI. This conformal CEI helps improve Coulombic efficiency and overall capacity retention of the battery, offering a different perspective compared to previous understanding in commercial carbonate-based electrolytes.

MATTER (2021)

Article Electrochemistry

Enabling Mg-Based Ionic Liquid Electrolytes for Hybrid Dual-Ion Capacitors

Paul Meister et al.

Summary: The study investigates the reversible (de)intercalation of TFSI- anions from a Mg-based ionic liquid electrolyte in Pyr(14)TFSI, and compares different pseudo reference electrodes in battery cells. It is found that use of a Li metal PRE results in high reproducibility. Mg-based DIC cells exhibit improved performance compared to Li-based cells, with higher capacity and Coulombic efficiency.

BATTERIES & SUPERCAPS (2021)

Article Chemistry, Multidisciplinary

Pyrazolium Phase-Change Materials for Solar-Thermal Energy Storage

Karolina Matuszek et al.

CHEMSUSCHEM (2020)

Article Chemistry, Physical

CO2 absorption characteristics of amino group functionalized imidazolium-based amino acid ionic liquids

Sehee Kang et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

Review Chemistry, Physical

Ionic liquids synthesis and applications: An overview

Sandip K. Singh et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

Review Agricultural Engineering

Recent advances in downstream processing of microalgae lipid recovery for biofuel production

Kuan Shiong Khoo et al.

BIORESOURCE TECHNOLOGY (2020)

Review Agricultural Engineering

Ionic liquid based pretreatment of lignocellulosic biomass for enhanced bioconversion

Zeba Usmani et al.

BIORESOURCE TECHNOLOGY (2020)

Article Chemistry, Multidisciplinary

Role of Hydrogen Bonding in Phase Change Materials

Karolina Matuszek et al.

CRYSTAL GROWTH & DESIGN (2020)

Article Engineering, Environmental

Novel Amino-Functionalized Ionic Liquid/Organic Solvent with Low Viscosity for CO2 Capture

Fan Liu et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2020)

Article Thermodynamics

Application of graphene oxide IoNanofluid as a superior heat transfer fluid in concentrated solar power plants

Armin Hosseinghorbani et al.

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER (2020)

Article Chemistry, Physical

Diethylmethylammonium trifluoromethanesulfonate protic ionic liquid electrolytes for water electrolysis

Ravikumar Thimmappa et al.

JOURNAL OF POWER SOURCES (2020)

Article Chemistry, Physical

Reversible AlCl4-/Al2Cl7-conversion in a hybrid Na-Al battery

Jingyi Wang et al.

JOURNAL OF POWER SOURCES (2020)

Article Green & Sustainable Science & Technology

Low temperature ionic liquid pretreatment of lignocellulosic biomass to enhance bioethanol yield

Ranim Alayoubi et al.

RENEWABLE ENERGY (2020)

Article Environmental Sciences

Conversion Furfural Residues Into Reducing Sugars with the Pretreatment of Ionic Liquid and Alkaline Peroxide

Keying Lin et al.

WASTE AND BIOMASS VALORIZATION (2020)

Article Nanoscience & Nanotechnology

Self-Powered and Green Ionic-Type Thermoelectric Paper Chips for Early Fire Alarming

Xun Wu et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Article Engineering, Environmental

Ionic liquids engineering for high-efficiency and stable perovskite solar cells

Xiaoyu Deng et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Article Thermodynamics

Energetic ionic liquid hydroxyethylhydrazinium nitrate as an alternative monopropellant

Umakant Swami et al.

COMBUSTION AND FLAME (2020)

Article Chemistry, Multidisciplinary

CO2 Separation by a Series of Aqueous Morpholinium-Based Ionic Liquids with Acetate Anions

Chunyan Ma et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Biotechnology & Applied Microbiology

A review on microalgae cultivation and harvesting, and their biomass extraction processing using ionic liquids

Jia Sen Tan et al.

BIOENGINEERED (2020)

Review Biotechnology & Applied Microbiology

Computer-aided solvent selection and design for efficient chemical processes

Teng Zhou et al.

CURRENT OPINION IN CHEMICAL ENGINEERING (2020)

Review Thermodynamics

State-of-the-art heat transfer fluids for parabolic trough collector

Yathin Krishna et al.

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER (2020)

Article Chemistry, Physical

Bis-imidazolium functionalized self-crosslinking block polynorbornene anion exchange membrane

Feng Zhang et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

Article Green & Sustainable Science & Technology

Microwave-assisted lipid extraction from Chlorella vulgaris in water with 0.5%-2.5% of imidazolium based ionic liquid as additive

Sooridarsan Krishnan et al.

RENEWABLE ENERGY (2020)

Article Chemistry, Physical

Lignin solvation by ionic liquids: The role of cation

Jon Zubeltzu et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

Review Chemistry, Multidisciplinary

Recognition of Ionic Liquids as High-Voltage Electrolytes for Supercapacitors

Shanshan Pan et al.

FRONTIERS IN CHEMISTRY (2020)

Article Chemistry, Inorganic & Nuclear

Encapsulated Amino-Acid-Based Ionic Liquids for CO2Capture

Liliana P. Silva et al.

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY (2020)

Article Thermodynamics

Selection and characterization of non-ideal ionic liquids mixtures to be used in CO2 capture

Monia A. R. Martins et al.

FLUID PHASE EQUILIBRIA (2020)

Article Chemistry, Multidisciplinary

Fluorine-Free Ionic Liquid-Based Electrolyte for Supercapacitors Operating at Elevated Temperatures

Inayat Ali Khan et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Chemistry, Multidisciplinary

Highly Selective CO2 Electroreduction to CO on Cu-Co Bimetallic Catalysts

Weiwei Guo et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Biochemistry & Molecular Biology

Acidic depolymerization vs ionic liquid solubilization in lignin extraction from eucalyptus wood using the protic ionic liquid 1-methylimidazolium chloride

Antonio Ovejero-Perez et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2020)

Review Nanoscience & Nanotechnology

Electrode material-ionic liquid coupling for electrochemical energy storage

Xuehang Wang et al.

NATURE REVIEWS MATERIALS (2020)

Article Chemistry, Physical

Evaluation of ionic liquids as electrolytes for vanadium redox flow batteries

L. Bahadori et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

Article Chemistry, Multidisciplinary

Stretchable and Transparent Ionogels with High Thermoelectric Properties

Yuanlai Fang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Engineering, Chemical

Prediction of CO2 solubility in ionic liquids using machine learning methods

Zhen Song et al.

CHEMICAL ENGINEERING SCIENCE (2020)

Article Engineering, Environmental

Effect of pyrazolium ionic liquid halide content on in-situ transesterification of Castor Bean (Ricinus Communis L.) seeds

Yasir A. Elsheikh et al.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2020)

Article Thermodynamics

Overview of Ionic Liquids as Candidates for New Heat Transfer Fluids

Alina Adriana Minea

INTERNATIONAL JOURNAL OF THERMOPHYSICS (2020)

Article Chemistry, Physical

Relatively high-Seebeck thermoelectric cells containing ionic liquids supplemented by cobalt redox couple

Anita Sosnowska et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

Review Green & Sustainable Science & Technology

Ionic Liquids Roles and Perspectives in Electrolyte for Dye-Sensitized Solar Cells

Ruwaida Asyikin Abu Talip et al.

SUSTAINABILITY (2020)

Article Chemistry, Physical

Toward Reversible and Moisture-Tolerant Aprotic Lithium-Air Batteries

Israel Temprano et al.

JOULE (2020)

Review Chemistry, Multidisciplinary

Ionic liquids for thermoelectrochemical energy generation

Wellington D. G. Goncalves et al.

CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY (2020)

Review Chemistry, Multidisciplinary

Aluminum electrolytes for Al dual-ion batteries

Kostiantyn V. Kravchyk et al.

COMMUNICATIONS CHEMISTRY (2020)

Article Agricultural Engineering

Production of biodiesel and succinic acid from the biomass of the microalga Micractinium sp. IC-44

Ksenia N. Sorokina et al.

BIORESOURCE TECHNOLOGY (2020)

Article Chemistry, Physical

Ionic liquid electrolytes for high-voltage, lithium-ion batteries

S. Brutti et al.

JOURNAL OF POWER SOURCES (2020)

Article Engineering, Chemical

The roles of ionic liquids as new electrolytes in redox flow batteries

V. M. Ortiz-Martinez et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2020)

Editorial Material Multidisciplinary Sciences

Prospects for lithium-ion batteries and beyond-a 2030 vision

Clare P. Grey et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Multidisciplinary

Reversible Reduction of the TEMPO Radical: One Step Closer to an All-Organic Redox Flow Battery

Luke Wylie et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Review Chemistry, Analytical

Recent Studies on Supercapacitors with Next-Generation Structures

Juho Sung et al.

MICROMACHINES (2020)

Review Engineering, Chemical

Ionic Liquids-Promoted Electrocatalytic Reduction of Carbon Dioxide

Yuandong Cui et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2020)

Article Multidisciplinary Sciences

A high-performance potassium metal battery using safe ionic liquid electrolyte

Hao Sun et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2020)

Review Biochemistry & Molecular Biology

Industrial Applications of Ionic Liquids

Adam J. Greer et al.

MOLECULES (2020)

Article Multidisciplinary Sciences

Electro-reduction of carbon dioxide at low over-potential at a metal-organic framework decorated cathode

Xinchen Kang et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Multidisciplinary

A rechargeable Al-N2 battery for energy storage and highly efficient N2 fixation

Ying Guo et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

Review Chemistry, Multidisciplinary

Durability challenges of anion exchange membrane fuel cells

William E. Mustain et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

Article Green & Sustainable Science & Technology

Enhanced CO2 Absorption in Organic Solutions of Biobased Ionic Liquids

Elahe Davarpanah et al.

ADVANCED SUSTAINABLE SYSTEMS (2020)

Article Chemistry, Physical

Hybrid Ionic Liquid Propylene Carbonate-Based Electrolytes for Aluminum-Air Batteries

Natasha Ronith Levy et al.

ACS APPLIED ENERGY MATERIALS (2020)

Article Chemistry, Physical

A robust ionic liquid magnesium electrolyte enabling Mg/S batteries

Yujing Bi et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Article Chemistry, Physical

A metal-free battery working at -80 °C

Jian Qin et al.

ENERGY STORAGE MATERIALS (2020)

Article Energy & Fuels

Enzymatic production of biodiesel from waste oil in ionic liquid medium

Hanifa Taher et al.

BIOFUELS-UK (2019)

Article Chemistry, Applied

Pineapple crown delignification using low-cost ionic liquid based on ethanolamine and organic acids

Rita de C. M. Miranda et al.

CARBOHYDRATE POLYMERS (2019)

Article Multidisciplinary Sciences

Selective electroreduction of carbon dioxide to methanol on copper selenide nanocatalysts

Dexin Yang et al.

NATURE COMMUNICATIONS (2019)

Article Multidisciplinary Sciences

A versatile functionalized ionic liquid to boost the solution-mediated performances of lithium-oxygen batteries

Jinqiang Zhang et al.

NATURE COMMUNICATIONS (2019)

Review Electrochemistry

Electrolytes for Dual-Carbon Batteries

Xiaoyu Jiang et al.

CHEMELECTROCHEM (2019)

Review Chemistry, Multidisciplinary

Molecular Dynamics Simulations of Ionic Liquids and Electrolytes Using Polarizable Force Fields

Dmitry Bedrov et al.

CHEMICAL REVIEWS (2019)

Article Chemistry, Physical

Thermophysical properties of dicationic imidazolium-based ionic compounds for thermal storage

Hang Zhang et al.

JOURNAL OF MOLECULAR LIQUIDS (2019)

Article Chemistry, Physical

Prototype rechargeable magnesium batteries using ionic liquid electrolytes

Xinpei Gao et al.

JOURNAL OF POWER SOURCES (2019)

Article Green & Sustainable Science & Technology

Progress on the pre-treatment of lignocellulosic biomass employing ionic liquids

Pobitra Halder et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Green & Sustainable Science & Technology

Preparation of phosphotungstic acid based poly(ionic liquid) and its application to esterification of palmitic acid

Yongqiang Wang et al.

RENEWABLE ENERGY (2019)

Article Engineering, Chemical

Demonstrating the key role of kinetics over thermodynamics in the selection of ionic liquids for CO2 physical absorption

J. Palomar et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2019)

Article Chemistry, Multidisciplinary

An ab initio Study of the Structure and Energetics of Hydrogen Bonding in Ionic Liquids

Kaycee Low et al.

FRONTIERS IN CHEMISTRY (2019)

Review Chemistry, Multidisciplinary

Ionic Liquid-Based Electrolytes for Supercapacitor and Supercapattery

Linpo Yu et al.

FRONTIERS IN CHEMISTRY (2019)

Review Chemistry, Multidisciplinary

Fluorine and Lithium: Ideal Partners for High-Performance Rechargeable Battery Electrolytes

N. von Aspern et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

Article Chemistry, Physical

Branched poly(ether ether ketone) based anion exchange membrane for H2/O2 fuel cell

Kaifeng Wang et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2019)

Article Materials Science, Multidisciplinary

Size effects of imidazolium cations bearing cyanoethyl group on performance of dye-sensitized solar cells

Donghoon Song et al.

MATERIALS LETTERS (2019)

Review Chemistry, Applied

ADN and HAN-based Monopropellants - A Minireview on Compatibility and Chemical Stability in Aqueous Media

Dominic Freudenmann et al.

PROPELLANTS EXPLOSIVES PYROTECHNICS (2019)

Article Chemistry, Multidisciplinary

A Long-Cycle-Life Lithium-CO2 Battery with Carbon Neutrality

Alireza Ahmadiparidari et al.

ADVANCED MATERIALS (2019)

Article Engineering, Chemical

Integrated ionic liquid and process design involving azeotropic separation processes

Yuqiu Chen et al.

CHEMICAL ENGINEERING SCIENCE (2019)

Article Engineering, Chemical

Predicting the Density and Viscosity of Biodiesels and Biodiesel Blends by the Regular-Solution Theory

Siqi Jiang et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2019)

Article Chemistry, Physical

Cohesive Properties of Ionic Liquids Calculated from First Principles

Ctirad Cervinka et al.

JOURNAL OF CHEMICAL THEORY AND COMPUTATION (2019)

Review Chemistry, Multidisciplinary

Viscosity of Typical Room-Temperature Ionic Liquids: A Critical Review

Siqi Jiang et al.

JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA (2019)

Article Chemistry, Applied

HAN-based Green Propellant, SHP163-Its R&D and Test in Space -

Keiichi Hori et al.

PROPELLANTS EXPLOSIVES PYROTECHNICS (2019)

Article Chemistry, Applied

Heat of Formation of ADN-Based Liquid Monopropellants

Niklas Wingborg

PROPELLANTS EXPLOSIVES PYROTECHNICS (2019)

Article Green & Sustainable Science & Technology

Potentials and challenges in lignocellulosic biofuel production technology

M. Raud et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Chemistry, Multidisciplinary

Effect of Water on CO2 Capture by Aprotic Heterocyclic Anion (AHA) Ionic Liquids

Gabriela M. Avelar Bonilla et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

Article Chemistry, Multidisciplinary

Synthesis of Low-Viscosity Ionic Liquids for Application in Dye-Sensitized Solar Cells

Yanyan Fang et al.

CHEMISTRY-AN ASIAN JOURNAL (2019)

Article Green & Sustainable Science & Technology

Protic ionic liquids with low viscosity for efficient and reversible capture of carbon dioxide

Fangfang Li et al.

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL (2019)

Article Engineering, Chemical

Orderly branched anion exchange membranes bearing long flexible multication side chain for alkaline fuel cells

Xue Lang Gao et al.

JOURNAL OF MEMBRANE SCIENCE (2019)

Article Multidisciplinary Sciences

The technological and economic prospects for CO2 utilization and removal

Cameron Hepburn et al.

NATURE (2019)

Article Multidisciplinary Sciences

Stability of cellulase in ionic liquids: correlations between enzyme activity and COSMO-RS descriptors

Jacob Nedergaard Pedersen et al.

SCIENTIFIC REPORTS (2019)

Article Engineering, Chemical

Hunting ionic liquids with large electrochemical potential windows

Cheng Lian et al.

AICHE JOURNAL (2019)

Review Biotechnology & Applied Microbiology

Emerging techniques for cell disruption and extraction of valuable bio-molecules of microalgae Nannochloropsis sp.

Rui Zhang et al.

BIOPROCESS AND BIOSYSTEMS ENGINEERING (2019)

Article Biotechnology & Applied Microbiology

Mild Fractionation of Hydrophilic and Hydrophobic Components From Neochloris oleoabundans Using Ionic Liquids

Rupali K. Desai et al.

FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY (2019)

Article Thermodynamics

Ignition study of amine borane/cyanoborane based green hypergolic fuels

Vikas K. Bhosale et al.

COMBUSTION AND FLAME (2019)

Article Electrochemistry

High-performance Li-Ion hybrid supercapacitor based on LiMn2O4 in ionic liquid electrolyte

Garbas A. dos Santos Junior et al.

ELECTROCHIMICA ACTA (2019)

Article Electrochemistry

Improved accessibility of porous carbon electrodes with surfactant ionic liquids for supercapacitors

Ningjin Xu et al.

JOURNAL OF APPLIED ELECTROCHEMISTRY (2019)

Article Thermodynamics

Thermal behavior of ammonium dinitramide and amine nitrate mixtures

Hiroki Matsunaga et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2019)

Article Polymer Science

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