4.8 Review

Rational Design of Flexible Zn-Based Batteries for Wearable Electronic Devices

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Carbon Hollow Tube-Confined Sb/Sb2S3 Nanorod Fragments as Highly Stable Anodes for Potassium-Ion Batteries

Yuanji Wu et al.

Summary: Antimony-based materials are promising anode materials for potassium-ion batteries due to their high potassium storage capacity and low potassiation potential, but volume variation issues can lead to instability. Carbon coating and nanostructure design can alleviate this problem and improve the performance of the electrode.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Engineering Self-Adhesive Polyzwitterionic Hydrogel Electrolytes for Flexible Zinc-Ion Hybrid Capacitors with Superior Low-Temperature Adaptability

Qingjin Fu et al.

Summary: The flexible zinc-ion hybrid capacitors exhibit excellent low-temperature adaptability and high thermal conductivity, along with a long cycling lifespan, outperforming similar products.

ACS NANO (2021)

Article Chemistry, Physical

Recent Progress on Flexible Zn-Air Batteries

Yongguang Zhang et al.

Summary: Flexible zinc-air battery technology is considered as one of the most promising energy storage systems, but its practical application is still at the preliminary stage. This review discusses the basic battery configurations, design principles, challenges, and recent progress in developing each battery component, aiming to present a clear picture of current research directions.

ENERGY STORAGE MATERIALS (2021)

Article Chemistry, Physical

Fundamentals and perspectives of electrolyte additives for aqueous zinc-ion batteries

Shan Guo et al.

Summary: Electrolyte additive is a key technology in energy storage, especially for aqueous zinc-ion batteries, but there is a lack of systematic research on its features and mechanisms. A comprehensive review on commonly used zinc-ion electrolyte additives is essential for further improvements in this field.

ENERGY STORAGE MATERIALS (2021)

Article Nanoscience & Nanotechnology

Ultrastable Zinc Anodes Enabled by Anti-Dehydration Ionic Liquid Polymer Electrolyte for Aqueous Zn Batteries

Jiaqi Huang et al.

Summary: The study introduces an electrolyte consisting of acetamide/zinc perchlorate hexahydrate ionic liquid and polyacrylamide polymer, which effectively stabilizes the zinc anode, suppresses side reactions and dendrite growth, and leads to longer battery lifespan.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Biomass-Derived N-Doped Carbon for Efficient Electrocatalytic CO2 Reduction to CO and Zn-CO2 Batteries

Xiaoqiong Hao et al.

Summary: This study successfully prepared N-doped graphitized carbon with high N-doping content and ultrahigh specific surface area using low-cost wood biomass, demonstrating excellent CO2 reduction reaction activity and long-term stability. The carbon material also showed promising performance as a cathode material in Zn-CO2 batteries. By converting waste biomass into valuable electrocatalysts, this work provides a new strategy for solving carbon-related issues.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

A Patternable and In Situ Formed Polymeric Zinc Blanket for a Reversible Zinc Anode in a Skin-Mountable Microbattery

Minshen Zhu et al.

Summary: The study presents a technique using a polyimide coating to solve the capacity loss issue of zinc anodes in an acid electrolyte. The polyimide coordinates with zinc ions to build a zinc blanket, reducing the concentration gradient at the electrode/electrolyte interface for fast kinetics and low plating/stripping overpotential.

ADVANCED MATERIALS (2021)

Article Engineering, Environmental

A novel vanadium-mediated MoS2 with metallic behavior for sodium ion batteries: Achieving fast Na+ diffusion to enhance electrochemical kinetics

Xiyan Yue et al.

Summary: In this study, vanadium was successfully combined into the framework of MoS2 to form VMoS2, which increased the electronic conductivity of the material and decreased the energy barrier for sodium ion transportation. This led to excellent electrochemical performance with high specific capacity, excellent cycling stability, and superb rate performance.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Chemistry, Physical

Recent Advances and Perspectives of Zn-Metal Free Rocking-Chair-Type Zn-Ion Batteries

Yuan Tian et al.

Summary: This review systematically evaluates the emerging rocking-chair-type Zn-ion batteries with Zn host anodes instead of Zn metal anodes. It discusses the fundamental principles, advantages, and challenges of rocking-chair-type Zn-ion batteries, summarizes the design principles and recent advances of cathode, anode, and electrolyte for rocking-chair Zn-ion batteries, and presents perspectives on the future of rocking-chair Zn-ion batteries. The review aims to provide alternative directions for the design of Zn-ion batteries.

ADVANCED ENERGY MATERIALS (2021)

Review Chemistry, Physical

Sustainable Li-Ion Batteries: Chemistry and Recycling

Jedrzej Piatek et al.

Summary: The commercial success of Li-ion batteries in the 1990s has led to environmental hazards from disposed batteries, raising questions about the greenness of current recycling technologies. Although industrially applied recycling technologies may have high overall efficiency, they often lack true circularity principles, which calls for a shift towards more sustainable and energy-efficient processes in the recycling of LIBs.

ADVANCED ENERGY MATERIALS (2021)

Review Chemistry, Physical

Strategies for the Stabilization of Zn Metal Anodes for Zn-Ion Batteries

Zhehan Yi et al.

Summary: Zinc-ion batteries are considered promising candidates for next-generation energy storage systems due to their high safety, resource availability, and environmental friendliness. However, the instability of the Zn metal anode has hindered their reliable deployment, and efforts have been made to overcome this through electrode structure design, interface modification, and electrolyte/separator optimization. Understanding and categorizing these strategies based on their intrinsic mechanisms are important for the development of novel Zn metal anodes for ZIBs.

ADVANCED ENERGY MATERIALS (2021)

Article Engineering, Electrical & Electronic

A wearable biosensing system with in-sensor adaptive machine learning for hand gesture recognition

Ali Moin et al.

Summary: Wearable devices utilizing surface electromyography to monitor muscle activity for hand gesture recognition applications can implement a neuro-inspired hyperdimensional computing algorithm locally with adaptive learning capabilities. The system can classify multiple hand gestures in real-time with high accuracy, and adapt to varying conditions without the need for additional computation on an external device.

NATURE ELECTRONICS (2021)

Review Chemistry, Physical

Design and Manufacture of 3D-Printed Batteries

Zhiyang Lyu et al.

Summary: This article summarizes the latest advances in 3D-printed batteries, focusing on the connection between printable materials and printing techniques as well as rational design considerations. Research shows that 3D printing designs play an important role in battery module architectures, battery configurations, and solving issues that affect battery performance. Future research directions include functional materials, advanced printing technologies, and new device designs.

JOULE (2021)

Article Chemistry, Multidisciplinary

High-Performance Aqueous Na-Zn Hybrid Ion Battery Boosted by Water-In-Gel Electrolyte

Wending Pan et al.

Summary: The study introduces a novel water-in-gel electrolyte based CuHCF-CNT/Zn Na-Zn hybrid battery, which achieves high discharge voltage and large capacity, delivering superior energy density and cycling stability. When further coupled with the Zn-O-2 reaction, an ultrahigh discharge capacity can be achieved.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

Scalable Assembly of Flexible Ultrathin All-in-One Zinc-Ion Batteries with Highly Stretchable, Editable, and Customizable Functions

Minjie Yao et al.

Summary: A scalable assembly strategy has been developed to create flexible ZIBs with an ultrathin all-in-one structure, which effectively prevents detachment between components and ensures continuous transfer capacity under external deformation. These batteries can be tailored into desired shapes and integrated with other devices, showcasing potential for a wide range of applications.

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Realizing an All-Round Hydrogel Electrolyte toward Environmentally Adaptive Dendrite-Free Aqueous Zn-MnO2 Batteries

Minfeng Chen et al.

Summary: A all-round hydrogel electrolyte was developed using cotton, tetraethyl orthosilicate, and glycerol, exhibiting high ionic conductivity and excellent mechanical properties.

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Poly(vinyl alcohol) Hydrogels with Broad-Range Tunable Mechanical Properties via the Hofmeister Effect

Shuwang Wu et al.

Summary: This study presents a strategy to broadly and reversibly alter the mechanical properties of hydrogels by tuning the aggregation states of polymer chains based on the Hofmeister effect. An ultra-tough PVA hydrogel with exceptional mechanical properties is fabricated, showcasing continuous and reversible modulation of various mechanical properties over a large window. This strategy enables high mechanical performance and broad dynamic tunability, serving as a universal platform for applications ranging from biomedicine to wearable electronics.

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Toward Practical High-Areal-Capacity Aqueous Zinc-Metal Batteries: Quantifying Hydrogen Evolution and a Solid-Ion Conductor for Stable Zinc Anodes

Longtao Ma et al.

Summary: By using a ZnF2 solid ion conductor to isolate Zn metal, the hydrogen evolution in Zn metal batteries has been significantly reduced, leading to improved performance and stability of the batteries.

ADVANCED MATERIALS (2021)

Article Chemistry, Multidisciplinary

Efficient Reversible Conversion between MoS2 and Mo/Na2S Enabled by Graphene-Supported Single Atom Catalysts

Biao Chen et al.

Summary: In sodium-ion batteries, the iron single-atom catalyst SAFe@NG facilitates the efficient reversible conversion reaction of MoS2, as demonstrated by theoretical simulations and experimental methods. The SAFe@NG catalyst helps in the uniform dispersion of Na2S/Mo and the decomposition of Na2S and NaMoS2, promoting the reaction kinetics of MoS2.

ADVANCED MATERIALS (2021)

Article Multidisciplinary Sciences

Strong tough hydrogels via the synergy of freeze-casting and salting out

Mutian Hua et al.

Summary: A strategy combining freeze-casting and salting-out treatments produces poly(vinyl alcohol) hydrogels with a multi-length-scale hierarchical architecture, including micrometre-scale honeycomb-like pore walls and interconnected nanofibril meshes. These hydrogels have properties that compare favorably to other tough hydrogels and even natural tendons.

NATURE (2021)

Article Chemistry, Physical

Maximizing Energy Storage of Flexible Aqueous Batteries through Decoupling Charge Carriers

Chunlong Dai et al.

Summary: High theoretical specific capacity zinc and sulfur are selected as the anode and cathode, with a strategy proposed to decouple charge carriers in anolyte and catholyte to simultaneously enhance the energy storage performance of flexible aqueous batteries. The new zinc-sulfur hybrid battery boasts ultrahigh theoretical specific capacity and volumetric energy density.

ADVANCED ENERGY MATERIALS (2021)

Review Chemistry, Applied

From aqueous Zn-ion battery to Zn-MnO2 flow battery: A brief story

Tong Xue et al.

Summary: AZIB is an attractive technology due to its low cost, high safety, and eco-friendliness. Recent studies have shown significant performance enhancement through revamping of the electrochemistry and redesigning of the electrolyte and interface. The Zn-MnO2 electrolytic mechanism shows great promise for large-scale static energy storage.

JOURNAL OF ENERGY CHEMISTRY (2021)

Article Chemistry, Physical

Synergistic nanostructure and heterointerface design propelled ultra-efficient in-situ self-transformation of zinc-ion battery cathodes with favorable kinetics

Hao Luo et al.

Summary: In this study, a 3D spongy VO2-graphene precursor was designed for achieving ultra-efficient in-situ self-transformation process to convert VO2 into VOH with integrated water molecules and porous heterogeneous architecture. This strategy resulted in a cathode with high capacity, superior rate performance, and excellent cycling stability over 5000 cycles. The ultra-efficient in-situ self-transformation strategy can pave the way for exploring promising electrode materials for advanced energy storage.

NANO ENERGY (2021)

Article Multidisciplinary Sciences

Horizontally arranged zinc platelet electrodeposits modulated by fluorinated covalent organic framework film for high-rate and durable aqueous zinc ion batteries

Zedong Zhao et al.

Summary: This study developed a fluorinated covalent organic framework film as a protective layer for aqueous zinc anode battery, aiming to reduce zinc dendrite growth and electrolyte corrosion, achieve horizontally arranged zinc deposition, and improve stability and cycling performance.

NATURE COMMUNICATIONS (2021)

Review Chemistry, Multidisciplinary

Recent progress in extending the cycle-life of secondary Zn-air batteries

Bagas Prakoso et al.

Summary: This work reviews effective strategies to extend the cycle-life of secondary Zn-air batteries, including discussing degradation routes, proposing strategies to tackle these routes, and emphasizing the importance of cell architecture design and materials engineering. Ultimately, the goal is to pave the way for Zn-air batteries to be the most promising secondary battery system of the future.

CHEMNANOMAT (2021)

Review Chemistry, Physical

Binder-Free Air Electrodes for Rechargeable Zinc-Air Batteries: Recent Progress and Future Perspectives

Xiaoxiao Yan et al.

Summary: Designing efficient air electrodes is crucial for the performance of rechargeable zinc-air batteries. The article provides an overview of advancements in designing binder-free air electrodes, discussing bifunctional active catalysts and self-supported air electrodes for liquid-state and flexible solid-state batteries. Challenges faced by binder-free air electrodes in zinc-air batteries are also highlighted.

SMALL METHODS (2021)

Article Chemistry, Physical

A high-voltage rechargeable alkaline Zn-MnO4- battery with enhanced stability achieved by highly reversible MnO4-/MnO42- redox pair

C. Liu et al.

Summary: This study demonstrates a record high voltage for rechargeable alkaline Zn-MnO4- battery achieved by a high reversible redox pair of MnO4-/MnO42-, showing excellent cycling stability. The redox reaction of MnO4-/MnO42- exhibits high reversibility and is further applied to a flow battery prototype with stable cycling performance.

MATERIALS TODAY ENERGY (2021)

Article Chemistry, Multidisciplinary

Heterometallic Seed-Mediated Zinc Deposition on Inkjet Printed Silver Nanoparticles Toward Foldable and Heat-Resistant Zinc Batteries

Tao Chen et al.

Summary: The study introduces a flexible, dendrite-free Zn metal anode (AgNPs@CC/Zn) prepared using inkjet printing technology, which addresses the issues of dendrite growth and side-reactions at the Zn anode under high current densities and temperatures. The AgNPs@CC/Zn anode shows promising potential with low voltage hysteresis, superior cycling performance, and exceptional high-temperature endurance, demonstrating the effectiveness of 3D dendrite-free zinc anodes in foldable and heat-resistant zinc batteries.

ADVANCED FUNCTIONAL MATERIALS (2021)

Review Chemistry, Multidisciplinary

Insights on Flexible Zinc-Ion Batteries from Lab Research to Commercialization

Haobo Dong et al.

Summary: The latest progress in polymer electrolytes for flexible ZIBs, particularly hydrogel electrolytes, is summarized in the article, along with discussions on relevant challenges, device configurations, and life cycle analysis. It is noted that most current polymer electrolytes emphasize electrochemical performance, with little consideration for mechanical behavior and interactions with electrode materials. Strategies to combine softness and strength, as well as the introduction of a ranking index to evaluate both electrochemical and mechanical properties, are discussed.

ADVANCED MATERIALS (2021)

Article Engineering, Environmental

Zn anode with flexible β-PVDF coating for aqueous Zn-ion batteries with long cycle life

Luong Trung Hieu et al.

Summary: This study successfully enhanced the performance of aqueous zinc ion batteries by coating the Zn anode with a thin protective layer of beta-PVDF, resulting in reduced overpotential and improved cyclic stability.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Multidisciplinary Sciences

An ultrathin rechargeable solid-state zinc ion fiber battery for electronic textiles

Xiao Xiao et al.

Summary: Electronic textiles are changing our everyday life in fundamental and meaningful ways by interacting with the human body and surroundings, but their expansion is limited by the lack of stable and biocompatible power sources with aesthetic designs. A rechargeable solid-state Zn/MnO2 fiber battery with stable cyclic performance and high electrical and mechanical performance due to graphene oxide-embedded polyvinyl alcohol hydrogel electrolytes has been reported.

SCIENCE ADVANCES (2021)

Article Chemistry, Physical

Recent advances in rechargeable Zn-based batteries

Xinxin Zhang et al.

Summary: Considering the increasing global demand for sustainable energy storage, finding advanced environmentally-friendly energy storage systems with low cost and excellent performance is essential. Rechargeable Zn-based batteries (RZBs) have attracted attention due to their safety, reversibility, high theoretical capacity, and potential applications in various electrical systems. This review outlines differences and connections between Zn-ion batteries (ZIBs) and Zn-air batteries (ZABs), summarizing reaction mechanisms, performance, and composition, while also addressing challenges and suggesting solutions for improving battery stability and efficiency.

JOURNAL OF POWER SOURCES (2021)

Article Chemistry, Physical

Reaction modifier system enable double-network hydrogel electrolyte for flexible zinc-air batteries with tolerance to extreme cold conditions

Yanan Zhang et al.

Summary: This study explores the use of zinc-air batteries for powering wearable electronic devices, and improves the anti-dehydration and anti-freezing properties of hydrogel electrolytes, enabling them to operate in extreme cold temperatures and provide power for electronic devices.

ENERGY STORAGE MATERIALS (2021)

Article Chemistry, Physical

Flexible and anti-freezing zinc-ion batteries using a guar-gum/sodium-alginate/ethylene-glycol hydrogel electrolyte

Jiawei Wang et al.

Summary: This study presents a new approach for developing natural polymer-based hydrogel electrolytes with high ionic conductivity and good antifreeze capability, achieved through blending guar gum and sodium alginate. The composite hydrogels demonstrated superior electrochemical performance in zinc-ion batteries, with excellent low-temperature discharge performance below -20 degrees C.

ENERGY STORAGE MATERIALS (2021)

Article Chemistry, Physical

A Chemically Self-Charging Flexible Solid-State Zinc-Ion Battery Based on VO2 Cathode and Polyacrylamide-Chitin Nanofiber Hydrogel Electrolyte

Chaozheng Liu et al.

Summary: The study introduces a chemically self-charging flexible solid-state zinc ion battery with high power density and energy density. Utilizing a VO2 cathode and PAM-ChNF electrolyte, the battery achieves self-charging through a redox reaction at ambient conditions. It offers superior electrochemical performance and self-rechargeability.

ADVANCED ENERGY MATERIALS (2021)

Article Nanoscience & Nanotechnology

Towards High-Energy and Anti-Self-Discharge Zn-Ion Hybrid Supercapacitors with New Understanding of the Electrochemistry

Yang Li et al.

Summary: Aqueous Zn-ion hybrid supercapacitors with fibrous carbon cathodes exhibit high gravimetric capacity, superior rate capability, exceptional cycling stability, high energy density, high power density, and good anti-self-discharge performance. Mechanism investigation reveals the roles of various reactions in energy storage of ZHSs.

NANO-MICRO LETTERS (2021)

Article Chemistry, Multidisciplinary

Environmental Impact Analysis of Aprotic Li-O2 Batteries Based on Life Cycle Assessment

Maider Iturrondobeitia et al.

Summary: Aprotic lithium-oxygen (Li-O-2) batteries have high energy density and potential for sustainable development, although their use is complex.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Chemistry, Physical

High-mass loading V3O7•H2O nanoarray for Zn-ion battery: New synthesis and two-stage ion intercalation chemistry

Duo Chen et al.

Summary: In this study, a new synthesis approach for V3O7 center dot H2O nanoarray cathode with large mass loadings is introduced, along with an empirical model to evaluate the utilization ratio of active materials. By combining first-principles calculations and ex-situ characterizations, a two-step Zn2+ intercalation mechanism in V3O7 center dot H2O is identified for the first time, providing insights for the design of high-massloading battery materials.

NANO ENERGY (2021)

Article Chemistry, Physical

All-in-one energy storage devices supported and interfacially cross-linked by gel polymeric electrolyte

Xiwei Ji et al.

Summary: A facile method based on interfacial cross-linking for preparing all-in-one energy storage devices is reported in this study, which endows the storage device small intrinsic impedance effect and mechanical stability. This strategy enables the storage device to achieve multi-dimensional integration for the adaptation with complex power supply systems.

ENERGY STORAGE MATERIALS (2021)

Article Nanoscience & Nanotechnology

Ni3S2 Nanocomposite Structures Doped with Zn and Co as Long- Lifetime, High-Energy-Density, and Binder-Free Cathodes in Flexible Aqueous Nickel-Zinc Batteries

Yang Zhou et al.

Summary: A binder-free Ni3S2 electrode doped with Zn and Co was prepared on nickel foam, showing excellent electrochemical performance in ZCNS/NF//Zn battery. The battery exhibits a high working voltage window and cycling stability, indicating great commercial potential in Ni//Zn batteries.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Wearable and Fully Biocompatible All-in-One Structured Paper-Like Zinc Ion Battery

Zhipeng Shao et al.

Summary: A novel all-in-one structure paper-like zinc ion battery with ultrathin thickness, superior specific capacity, and outstanding cycling stability was designed and assembled in this study. The battery demonstrated excellent flexibility and remarkable temperature resistance in wearable electronic applications, indicating its potential for flexible wearable electronics and implantable biomedical devices.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Self-Healing Solid Polymer Electrolyte with High Ion Conductivity and Super Stretchability for All-Solid Zinc-Ion Batteries

Dong Liu et al.

Summary: The zinc-ion battery is a novel energy storage device with promising potentials. A novel solid polymer electrolyte utilizing coordination of zinc ions was designed and introduced into an all-solid ZIB, showing outstanding cycling stability and high coulombic efficiency.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Ultrafast Rechargeable Aqueous Zinc-Ion Batteries Based on Stable Radical Chemistry

Mengyao Tang et al.

Summary: Aqueous zinc-ion batteries (ZIBs) show great promise as fast-charging energy-storage systems due to their attractive ionic conductivity, high theoretical energy density, and low cost. This study demonstrates stable radical intermediate generation in a typical organic electrode material (methylene blue [MB]), which effectively enhances the intrinsic kinetics of the cathode and enables ultrafast Zn2+ storage. Anionic co-intercalation helps maintain the stability of the structure, resulting in excellent rate capability and long cycle life for Zn-MB batteries.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

Regulating Dendrite-Free Zinc Deposition by 3D Zincopilic Nitrogen-Doped Vertical Graphene for High-Performance Flexible Zn-Ion Batteries

Qinghe Cao et al.

Summary: The proposed 3D nitrogen-doped vertical graphene nanosheets grown on carbon cloth improve the performance of zinc-ion batteries by achieving uniform zinc nucleation, optimizing electric distribution, and enhancing the zinc deposition/stripping process, leading to higher electrochemical performance. This technology not only achieves high cycling stability of the battery, but also exhibits outstanding mechanical flexibility, showing great potential for portable and wearable electronics.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Physical

Engineering Pt and Fe dual-metal single atoms anchored on nitrogen-doped carbon with high activity and durability towards oxygen reduction reaction for zinc-air battery

Xiongwei Zhong et al.

Summary: A novel strategy for encapsulating Pt species into Fe-doped zeolite imidazolate framework to obtain PtFeNC catalyst was proposed in this study. The catalyst exhibited excellent performance in zinc-air battery, showing potential for practical applications in energy storage.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

One-step synthesized CoNi-embedded N-doped carbon nanotubes as sulfur host to synergistically immobilize the discharge products in lithium-sulfur batteries

Jiajia Wang et al.

Summary: Nanostructured hollow carbon materials doped with cobalt-nickel and nitrogen, exhibited good cyclic stability and high capacity as sulfur host in lithium-sulfur batteries.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Review Chemistry, Physical

Recent progress and future perspectives of flexible Zn-Air batteries

Weiguang Fang et al.

Summary: This article introduces the latest advances and challenges in the exploration of flexible solid-state zinc-air batteries (F-ZABs), highlighting the advantages in terms of energy density, safety, and flexibility, while discussing the technical challenges faced in wearable applications and emphasizing the importance of maintaining a balance among the electrochemical properties, flexibility, and integrability of the batteries.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Review Chemistry, Physical

Multi-Functional Hydrogels for Flexible Zinc-Based Batteries Working under Extreme Conditions

Siyuan Zhao et al.

Summary: Zinc-based batteries with hydrogel electrolytes are promising for flexible energy storage due to their high capacity, low cost, and safety features. However, research on these batteries under extreme conditions is still in the early stages, with many technical issues remaining to be addressed. Design strategies for hydrogel electrolytes suitable for use in all extreme conditions are proposed, along with a discussion on the challenges and future directions of hydrogel electrolytes for zinc-based batteries.

ADVANCED ENERGY MATERIALS (2021)

Article Nanoscience & Nanotechnology

High Capacity and Fast Kinetics of Potassium-Ion Batteries Boosted by Nitrogen-Doped Mesoporous Carbon Spheres

Jiefeng Zheng et al.

Summary: This study investigates the application of nitrogen-doped mesoporous carbon spheres in potassium-ion batteries, showing that optimized conditions lead to excellent electrochemical performance with high rate capacity and cycling stability. The capacitive-controlled effects play a dominant role in the total storage mechanism of the MCS as anode material.

NANO-MICRO LETTERS (2021)

Article Chemistry, Physical

Flexible high-energy and stable rechargeable vanadium-zinc battery based on oxygen defect modulated V2O5 cathode

Xinyue Liang et al.

Summary: This study presents a promising binder-free V2O5 nanorods cathode material for aqueous/quasi-solid-state Zn ion batteries, exhibiting excellent high capacity, robust long-term life span, and impressive energy density. The innovative strategy of oxygen defect modulation and phosphorus doping leads to improved performance of metal oxide electrodes, paving the way for the development of efficient flexible energy storage devices and wearable electronics technology.

NANO ENERGY (2021)

Article Chemistry, Multidisciplinary

VO2(B)@carbon fiber sheet as a binder-free flexible cathode for aqueous Zn-ion batteries

Xiaofan Li et al.

Summary: A binder-less cathode material with excellent electrochemical performance was successfully synthesized in this study, showing high discharge capacity and cycling stability in flexible aqueous zinc-ion batteries. The rapid ion or electron transfer rendered by the CFS-supported nano-chip array structure significantly contributed to its outstanding performance.

CRYSTENGCOMM (2021)

Article Electrochemistry

High-performance Zn battery with transition metal ions co-regulated electrolytic MnO2

Mingyan Chuai et al.

Summary: Electrolytic MnO2/Zn batteries co-regulated with transition metal ions show improved electrochemical performance in terms of deposition and stripping chemistries, with the incorporation of Co and Ni leading to more active electron states, faster charge-transfer kinetics, and better electrical conductivity. This approach offers a versatile strategy for enhancing the performance of aqueous electrolytic MnO2/Zn batteries in large-scale energy storage applications.

ESCIENCE (2021)

Review Chemistry, Multidisciplinary

Issues and rational design of aqueous electrolyte for Zn-ion batteries

Qi Zhang et al.

Summary: Aqueous Zn-ion batteries show promise as an alternative to lithium-ion batteries, but face challenges such as water decomposition, cathode dissolution, corrosion, passivation, and dendrite growth. Strategies for optimization, including pH regulation and electrolyte composition design, are important for addressing these issues and guiding future development.

SUSMAT (2021)

Article Chemistry, Multidisciplinary

Make it stereoscopic: interfacial design for full-temperature adaptive flexible zinc-air batteries

Zengxia Pei et al.

Summary: The structure of the air-cathode significantly influences the temperature adaptability of flexible zinc-air batteries, and an integrated stereoscopic air-cathode is developed to enhance the batteries' adaptability. Organic hydrogels are not suitable for temperature-adaptive polyelectrolytes, but high-performance flexible zinc-air batteries can be achieved by leveraging the interaction between water and terminal groups within polyelectrolyte backbones. The flexible zinc-air batteries show state-of-the-art electrochemical performances that greatly offset the influence of extreme temperature changes.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Review Chemistry, Multidisciplinary

Molecular engineering of carbonyl organic electrodes for rechargeable metal-ion batteries: fundamentals, recent advances, and challenges

Haoqi Yang et al.

Summary: This review summarizes molecular engineering strategies for enhancing the electrochemical performance of carbonyl organic compounds, focusing on the advantages and disadvantages of each strategy. Key investigations on the reaction mechanism of carbonyl organic electrodes have been highlighted, along with a deeper evaluation of critical challenges and future perspectives for practical battery systems.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

Small molecule-based supramolecular-polymer double-network hydrogel electrolytes for ultra-stretchable and waterproof Zn-air batteries working from-50 to 100 °C

Chaonan Gu et al.

Summary: The study introduces a novel double-network hydrogel platform, featuring high stretchability, wide temperature-tolerance, and high conductivity.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

A Highly Flexible and Lightweight MnO2/Graphene Membrane for Superior Zinc-Ion Batteries

Jinjin Wang et al.

Summary: This study introduces a self-standing hybrid nanoarchitecture for flexible and foldable zinc-ion batteries, featuring high energy density and good cycling durability. The batteries can operate without capacity loss in both bent and folded circumstances, holding great promise for smart and wearable electronics.

ADVANCED FUNCTIONAL MATERIALS (2021)

Review Materials Science, Multidisciplinary

Challenges and strategies for ultrafast aqueous zinc-ion batteries

Qiao-Nan Zhu et al.

Summary: This review discusses the latest developments in ultrafast aqueous ZIBs and the rational electrode-designing strategies, highlighting methods to enhance fast (dis)charging performance.

RARE METALS (2021)

Review Chemistry, Multidisciplinary

Biomimetic anti-freezing polymeric hydrogels: keeping soft-wet materials active in cold environments

Yukun Jian et al.

Summary: Hydrogels, as outstanding materials, have been extensively studied for various fields of application, but their properties are compromised at sub-zero temperatures. Lowering the liquid-solid phase transition temperature is crucial for expanding their applications. Research on anti-freezing hydrogels mainly focuses on additives, polymer network modification, and future developments hold promising research directions.

MATERIALS HORIZONS (2021)

Article Chemistry, Multidisciplinary

Self-Supported Transition-Metal-Based Electrocatalysts for Hydrogen and Oxygen Evolution

Hongming Sun et al.

ADVANCED MATERIALS (2020)

Review Nanoscience & Nanotechnology

Rechargeable Zn-MnO2 batteries: advances, challenges and perspectives

Xiaoyu Liu et al.

NANOTECHNOLOGY (2020)

Article Chemistry, Multidisciplinary

Uniform Virus-Like Co-N-Cs Electrocatalyst Derived from Prussian Blue Analog for Stretchable Fiber-Shaped Zn-Air Batteries

Shengmei Chen et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

A Flexible Rechargeable Zinc-Air Battery with Excellent Low-Temperature Adaptability

Zengxia Pei et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Review Chemistry, Multidisciplinary

Interfacial Design of Dendrite-Free Zinc Anodes for Aqueous Zinc-Ion Batteries

Qi Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Physical

Co single-atom anchored on Co3O4 and nitrogen-doped active carbon toward bifunctional catalyst for zinc-air batteries

Xiongwei Zhong et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Article Chemistry, Physical

All-solid-state flexible zinc-air battery with polyacrylamide alkaline gel electrolyte

He Miao et al.

JOURNAL OF POWER SOURCES (2020)

Article Multidisciplinary Sciences

Wireless battery-free body sensor networks using near-field-enabled clothing

Rongzhou Lin et al.

NATURE COMMUNICATIONS (2020)

Review Nanoscience & Nanotechnology

Designing solid-state electrolytes for safe, energy-dense batteries

Qing Zhao et al.

NATURE REVIEWS MATERIALS (2020)

Review Chemistry, Physical

Recent Advances in Vanadium-Based Aqueous Rechargeable Zinc-Ion Batteries

Shude Liu et al.

ADVANCED ENERGY MATERIALS (2020)

Review Chemistry, Multidisciplinary

Recent Progress in Electrolytes for Zn-Air Batteries

Peng Chen et al.

FRONTIERS IN CHEMISTRY (2020)

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