☆ 4.6 Review

Hybrid water electrolysis with integrated and cascading reactions using two-dimensional electrocatalysts

JOURNAL OF MATERIALS CHEMISTRY A (2023)

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Article Chemistry, Multidisciplinary

Operando Forming of Lattice Vacancy Defect in Ultrathin Crumpled NiVW-Layered Metal Hydroxides Nanosheets for Valorization of Biomass

Baolong Zhang et al.

Summary: A series of ultrathin crumpled ternary NiVW-LMH electrocatalysts with abundant lattice vacancies are successfully prepared by introducing tungsten, which exhibits excellent performance in the electrooxidation of 5-hydroxymethylfurfural (HMF), with a 5.37-fold improvement compared with Ni(OH)(2) electrode. The strategy in this work may provide guidance for developing highly efficient electrocatalysts.

SMALL (2023)

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Article Chemistry, Applied

Monodispersed ultrathin twisty PdBi alloys nanowires assemblies with tensile strain enhance C2+ alcohols electrooxidation

Xianzhuo Lao et al.

Summary: Direct alcohol fuel cells (DAFCs) are powered by the alcohol electro-oxidation reaction (AOR), which can be accelerated by an electrocatalyst with optimal electronic structure. Twisty PdBi alloy nanowires (TNWs) with face-centered structures were found to drive AORs. Pd6Bi1 TNWs exhibit excellent current densities for oxidation of ethanol, ethylene glycol, and glycerol.

JOURNAL OF ENERGY CHEMISTRY (2023)

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Article Chemistry, Multidisciplinary

Doped Mn Enhanced NiS Electrooxidation Performance of HMF into FDCA at Industrial-Level Current Density

Suiqin Li et al.

Summary: The study demonstrates that Mn-doped NiS nanosheet electrocatalysts grown on 3D graphite felt substrates can efficiently oxidize HMF into FDCA with industrial-level current density. The Mn0.2NiS/GF electrode shows excellent HMFOR performance with high selectivity, yield, faradaic efficiency, and stability.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Directed Urea-to-Nitrite Electrooxidation via Tuning Intermediate Adsorption on Co, Ge Co-Doped Ni Sites

Pengtang Wang et al.

Summary: A cobalt, germanium co-doped nickel oxyhydroxide catalyst is reported that effectively converts urea to nitrite and enhances electron transfer and current. Through synchrotron-based measurement, in situ spectroscopy and density functional theoretical computation, it is demonstrated that the co-doping of cobalt and germanium optimizes the electronic structure of nickel sites, promoting the cleavage of the C-N bond and conversion of urea to nitrite.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Boosting Selective Oxidation of Ethylene to Ethylene Glycol Assisted by In situ Generated H2O2 from O2 Electroreduction

Ming-Hao Guan et al.

Summary: We have established an integrated pathway for oxidizing ethylene into ethylene glycol using mesoporous carbon catalyst and titanium silicalite-1 catalyst. This pathway exhibits remarkable activity, achieving 86% H2O2 conversion, 99% ethylene glycol selectivity, and a production rate of 51.48 mmol g(ecat)(-1) h(-1) at 0.4 V vs. reversible hydrogen electrode. In addition to using generated H2O2 as an oxidant, there is also an (OOH)-O-center dot intermediate that eliminates the step of absorbing and dissociating H2O2, showing faster reaction kinetics compared to the ex situ approach. This work not only provides a new idea for ethylene glycol synthesis but also demonstrates the advantage of in situ generated H2O2 in the tandem route.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Chemistry, Physical

Trace Ru atoms implanted into a Ni/Fe-based oxalate solid-solution-like with high-indexed facets for energy-saving overall seawater electrolysis assisted by hydrazine

Jiayang Zhao et al.

Summary: Designing robust and highly efficient electrocatalysts for seawater splitting is crucial for hydrogen production. In this study, Ru nanospecies were implanted into a Ni/Fe-oxalate solid solution with high-indexed facets, resulting in an effective and novel-structured catalyst (Ru-(Ni/Fe)C2O4). Experimental and theoretical analyses showed that Ru-(Ni/Fe)C2O4 exhibited extraordinary activities for HER, OER, and HzOR due to the synergistic effect between Ru nanospecies and high-index facets. The electrolyzer assembled with this catalyst achieved a cell voltage reduction to 0.01 V at 10 mA cm-2 for HER-HzOR coupling seawater splitting and remained stable under 500 mA cm-2 at 80 degrees C for 50 hours, approaching the requirements for quasi-industrial electrolysis. This work provides a guideline for preparing multifunctional electrocatalysts and offers an effective strategy for developing seawater electrolysis for a hydrogen economy society.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

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Article Chemistry, Physical

Self-supported nickel-cobalt layered double hydroxide for efficient primary amine electrooxidation and decoupled water electrolysis

Ming Xiang et al.

Summary: Hybrid water electrolysis provides a green route for producing fine chemicals and hydrogen, relying on the development of anodic electrocatalysts. A nickel-cobalt layered double hydroxide (Ni-Co LDH) modified nickel foam was prepared at room temperature and effectively catalyzed the dehydrogenation oxidation of primary amines to produce aromatic and aliphatic nitriles with high yields. Additionally, the Ni-Co LDH electrode served as an electron reservoir for decoupled water electrolysis with 100% coulombic efficiency in a membrane-free cell.

CATALYSIS COMMUNICATIONS (2023)

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Article Engineering, Environmental

Unusual hcp Ni with metal and non-metal dual doping modulation to realize boosted urea oxidation

Ping Li et al.

Summary: In this study, a novel strategy of N-doping induced phase transfer was proposed to construct anomalous metastable hcp-CoNi-N/C material for urea oxidation reaction (UOR). The hcp-CoNi-N/C exhibited impressive UOR performance with a low potential of 1.310 V vs. RHE to achieve 10 mA cm-2 and fast reaction kinetics. The unconventional hcp phase design coupled with metal and non-metal dual doping engineering enabled electron density manipulation, charge-polarized surface, and improved mass transfer kinetics.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Engineering, Chemical

Lattice stain dominated hydrazine oxidation reaction in single-metal-element nanosheet

Jie Shi et al.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Multidisciplinary

Pulsed Nitrate-to-Ammonia Electroreduction Facilitated by Tandem Catalysis of Nitrite Intermediates

Panpan Li et al.

Summary: Electroreduction of nitrate to ammonia provides a promising approach for nutrient recycling and recovery from wastewater while ensuring energy and environmental sustainability. By utilizing a pulse electrolysis strategy and a Cu single-atom gel (Cu SAG) catalyst, ammonia production from nitrate and nitrite under neutral conditions is achieved with significantly enhanced Faradaic efficiency and yield rate compared to constant potential electrolysis. This work highlights the synergistic effect of pulse electrolysis and Cu SAGs with three-dimensional framework structures for efficient conversion of nitrate to ammonia through tandem catalysis of unfavorable intermediates.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2023)

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Article Chemistry, Multidisciplinary

Electrocatalytic Upcycling of Biomass and Plastic Wastes to Biodegradable Polymer Monomers and Hydrogen Fuel at High Current Densities

Yifan Yan et al.

Summary: The electrocatalytic strategy using Au/Ni(OH)2 catalyst successfully converts glycerol to lactic acid and polyethylene terephthalate waste to glycolic acid, both valuable monomers for biodegradable polymer production. The high selectivities and current densities achieved reveal the potential of this approach for upcycling biomass and plastic wastes to valuable chemicals and fuels.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2023)

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Article Multidisciplinary Sciences

Enantioselective electrochemical cobalt-catalyzed aryl C-H activation reactions

Tristan von Muenchow et al.

Summary: Enantioselective oxidation reactions typically rely on costly transition metals and stoichiometric amounts of chemical oxidants. This study demonstrates a sustainable alternative by using electrocatalysis, specifically the hydrogen evolution reaction (HER), in place of a chemical oxidant. The use of cobalt catalyst for asymmetric oxidation enables highly enantioselective aryl carbon-hydrogen bond (C-H) activation reactions, leading to the synthesis of chiral compounds. Additionally, cobalt-mediated electrocatalysis allows for selective desymmetrization through dehydrogenative C-H activation reactions, facilitating the preparation of sterically complex phosphorus (P)-stereogenic compounds.

SCIENCE (2023)

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Article Multidisciplinary Sciences

Interface synergism and engineering of Pd/Co@N-C for direct ethanol fuel cells

Jinfa Chang et al.

Summary: This article investigates the development of high-activity and durable catalysts for direct ethanol fuel cells. The authors propose a Pd/Co@N-C catalyst that can prevent catalyst structural degradation and enhance electron transfer and activity/durability. This study provides a strategy for innovative catalyst structural design and promotes the development of fuel cells and other sustainable energy-related technologies.

NATURE COMMUNICATIONS (2023)

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Article Chemistry, Multidisciplinary

Insights into the Dynamic Evolution of Defects in Electrocatalysts

Yiqiong Zhang et al.

Summary: This review focuses on the formation and preparation of defects, the dynamic evolution process of defects, and the influence of defect dynamic evolution on catalytic reactions. The summary of the current advances in the dynamic evolution process of defects in various catalytic reactions is expected to provide a comprehensive understanding of the role of defective electrocatalysts in the structural evolution process and reaction mechanisms.

ADVANCED MATERIALS (2023)

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Review Chemistry, Multidisciplinary

Innovative Electrochemical Strategies for Hydrogen Production: From Electricity Input to Electricity Output

Dafeng Yan et al.

Summary: Renewable H-2 production by water electrolysis has received much attention, but the energy consumption of conventional water electrolysis is high. This review summarizes the latest findings on innovative electrochemical strategies for H-2 production, including the use of redox mediators and alternative anodic reactions. The study also presents electrochemical H-2 production at both the cathode and anode, as well as the challenges and prospects for future development.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Chemistry, Physical

Electrocatalytic dual hydrogenation of organic substrates with a Faradaic efficiency approaching 200%

Guanqun Han et al.

Summary: The use of palladium membrane electrodes allows for electrocatalytic dual hydrogenation of unsaturated dicarboxylic acids by physically separating the formation of hydrogen from the hydrogenation reaction. This design enables the simultaneous hydrogenation of the same substrate at both the anode and cathode, achieving a theoretical maximum Faradaic efficiency of 200%.

NATURE CATALYSIS (2023)

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Article Chemistry, Physical

Rational design of septenary high-entropy alloy for direct ethanol fuel cells

Jinfa Chang et al.

Summary: A PtPd HEA catalyst with a PtPd-rich surface and super-low platinum group metals loading was developed, achieving a maximum power density of 0.72 W cm -2 and durable operation for 1,200 h in DEFCs. This work has important implications for the development of nanostructured alloys for renewable energy applications.

JOULE (2023)

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Article Chemistry, Physical

Strain Engineering of Face-Centered Cubic Pd-Pb Nanosheets Boosts Electrocatalytic Ethanol Oxidation

Luyao Xu et al.

Summary: Strain engineering is a promising method to tune the properties of nanomaterials, but the preparation of low-dimensional nanomaterials, such as nanosheets, remains challenging. In this study, strained 2D palladium-lead nanosheets with face-centered cubic structures were successfully prepared, which exhibited a high number of active sites for ethanol oxidation reaction. The strain effect was found to enhance the binding ability of the nanosheets, leading to significantly improved electrocatalytic activity. This study provides a promising approach to construct efficient fuel cell catalysts with abundant active sites and controllable strain degrees.

ACS APPLIED ENERGY MATERIALS (2023)

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Article Chemistry, Multidisciplinary

A dual-functional Bi-doped Co3O4 nanosheet array towards high efficiency 5-hydroxymethylfurfural oxidation and hydrogen production

Tianran Wei et al.

Summary: In this study, a novel catalyst was reported, which can selectively catalyze HMF-to-FDCA oxidation at ambient conditions with high efficiency, yield rate, and conversion. The catalyst also has the capability to simultaneously produce H2 and FDCA.

CHEMICAL COMMUNICATIONS (2023)

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Article Engineering, Environmental

Redistributing interfacial charge density of Ni12P5/Ni3P via Fe doping for ultrafast urea oxidation catalysis at large current densities

Xiujuan Xu et al.

Summary: Robust UOR catalysts were successfully developed via in-situ construction of Fe-doped Ni12P5/Ni3P heterojunction nanosheets. The catalyst exhibits excellent UOR activity and durability, with more exposed active sites and faster electron and mass transfer.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Physical

Lattice-disordered high-entropy metal hydroxide nanosheets as efficient precatalysts for bifunctional electro-oxidation

Min Hao et al.

Summary: A lattice-disordered high-entropy FeCuCoNiZn hydroxide nanoarray catalyst was fabricated, showing robust bifunctional oxygen evolution reaction (OER) and urea oxidation reaction (UOR) behavior. The high-entropy feature and lattice-disordered structure significantly improved the intrinsic activity and enriched the active sites for OER and UOR. The catalyst exhibited excellent OER and UOR activity with low overpotential, large current density, and enhanced intrinsic activity, making it a promising candidate for water electrolysis.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

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Article Chemistry, Physical

The pivot to achieve high current density for biomass electrooxidation: Accelerating the reduction of Ni3+ to Ni2+

Zhaohui Yang et al.

Summary: Electrochemical oxidation is a promising method for the selective conversion of HMF to FDCA with high efficiency at room temperature. Catalysts with high current densities are crucial for the industrial application of the HMFOR. The rate-determining step in the conversion of HMF is the PCET process of HMF dehydrogenation, and theoretical calculations reveal differences in the energy barriers of this process. Ni(OH)2/NF catalyst doped with Cr shows superb activity, achieving the highest current densities for HMFOR and a high yield of FDCA.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

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Review Chemistry, Physical

Fundamental Understanding of Structural Reconstruction Behaviors in Oxygen Evolution Reaction Electrocatalysts

Haoyin Zhong et al.

Summary: Transition metal-based oxyhydroxides derived from the structural reconstruction of precatalysts exhibit superior oxygen evolution reaction (OER) activity compared to their directly synthesized counterparts. The origin of this activity remains unclear, hindering the development of efficient electrocatalysts utilizing structural reconstruction chemistry. This review comprehensively explores the structural reconstruction behaviors in reported reconstruction-derived electrocatalysts and reveals the chemical and structural origins of their high OER efficiency. It also discusses the fundamental mechanisms of structural reconstruction and recommended characterization techniques for analyzing real catalytic species. Finally, potential perspectives for designing and synthesizing highly efficient and durable OER electrocatalysts are presented from the perspective of structural reconstruction chemistry.

ADVANCED ENERGY MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Yttrium-doped cobalt-based metal-organic frameworks for selective electrooxidation of glycerol coupled with hydrogen production

You Xu et al.

Summary: A facile strategy was developed for one-step synthesis of yttrium(Y)-doped cobalt-based metal-organic framework (CoY-MOF) nanosheet arrays. It was demonstrated that in situ doping with a low content of Y can tailor the electronic structure of the MOF structures, thereby improving their electrocatalytic performance for both hydrogen evolution and glycerol oxidation reactions.

CHEMICAL COMMUNICATIONS (2023)

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Review Green & Sustainable Science & Technology

Advancing direct seawater electrocatalysis for green and affordable hydrogen

Huimin Yu et al.

Summary: By directly electrolyzing seawater using marine energy, green hydrogen can be produced without freshwater and fossil fuels. However, the complexity of seawater composition presents challenges for direct seawater electrolysis, including electrode corrosion and failure. This review analyzes the barriers and future directions for optimizing direct seawater splitting. It emphasizes the importance of selective catalysts, stable electrolyzer devices, and low-cost electrolyzers for improving the feasibility of direct seawater splitting.

ONE EARTH (2023)

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Review Chemistry, Multidisciplinary

Electrocatalytic oxidation of 5-hydroxymethylfurfural for sustainable 2,5-furandicarboxylic acid production-From mechanism to catalysts design

Xiaoli Jiang et al.

Summary: Catalytic conversion of biomass-based platform chemicals is a significant approach for utilizing renewable biomass resources. This study focuses on the electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) to produce 2,5-furandicarboxylic acid (FDCA), which has the potential to replace terephthalic acid in the synthesis of high-performance polymeric materials. The pH-dependent reaction pathways, factors influencing functional group oxidation, and reaction mechanism of HMF oxidation are discussed. The study also examines emerging catalyst design strategies and their relationship with catalyst performance. Furthermore, cathode pairing reactions and the challenges and prospects of electrochemical oxidation of HMF for FDCA are presented.

SUSMAT (2023)

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Review Chemistry, Physical

Catalytic conversion of lignocellulosic biomass into chemicals and fuels

Weiping Deng et al.

Summary: This review article focuses on the state-of-the-art catalytic transformation of lignocellulosic biomass into value-added chemicals and fuels, including the conversion of cellulose, hemicellulose, and lignin, as well as the gasification and pyrolysis of whole biomass. The opportunities, challenges, and prospects of woody biomass valorization are highlighted.

GREEN ENERGY & ENVIRONMENT (2023)

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Article Chemistry, Multidisciplinary

Stabilization of alkaline 5-HMF electrolytes via Cannizzaro reaction for the electrochemical oxidation to FDCA

Moritz Lukas Krebs et al.

Summary: The electrochemical oxidation of HMF to FDCA, a monomer for biopolymer production, is a promising route to renewable materials. However, this process is often performed in alkaline media, causing HMF degradation. In this study, it was found that alkaline degradation of HMF produced stable compounds (HMFCA and DHMF) that can be electrooxidized to FDCA.

GREEN CHEMISTRY (2023)

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Article Chemistry, Multidisciplinary

High-Efficiency Electrosynthesis of Hydrogen Peroxide from Oxygen Reduction Enabled by a Tungsten Single Atom Catalyst with Unique Terdentate N1O2 Coordination

Feifei Zhang et al.

Summary: A new type of W SAC with unique local structure was designed and prepared, showing excellent performance in electrochemical ORR, particularly in terms of H2O2 selectivity and operational durability. The findings open up new opportunities for developing high-performance W-based catalysts for electrochemical H2O2 production.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Engineering, Environmental

Modulating electronic structure of ternary NiMoV LDH nanosheet array induced by doping engineering to promote urea oxidation reaction

Zhaolong Wang et al.

Summary: The NiMoV LDH/NF electrode prepared by doping engineering strategy shows high-efficiency catalysis for urea oxidation reaction, benefiting from its unique 2D/3D hierarchical structure that exposes more active sites and accelerates charge and mass transfer. Mo and V dopants optimize the adsorption energy of Ni sites for urea molecules, leading to a lower potential for UOR in alkaline electrolyte, achieving rapid kinetics, high intrinsic activity, and robust durability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Multidisciplinary Sciences

Alcohols electrooxidation coupled with H2 production at high current densities promoted by a cooperative catalyst

Zhenhua Li et al.

Nature Communications (2022)

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Article Chemistry, Multidisciplinary

Engineering the Electronic Structure of NiFe Layered Double Hydroxide Nanosheet Array by Implanting Cationic Vacancies for Efficient Electrochemical Conversion of 5-Hydroxymethylfurfural to 2,5-Furandicarboxylic Acid

Yu-Feng Qi et al.

Summary: Utilizing a carbon paper-supported nickel-iron layered double hydroxide nanosheet array with abundant cationic vacancies as an electrode enables efficient conversion of HMF to FDCA, achieving high conversion and yield rates with excellent stability and electrocatalytic performance enhancements.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Chemistry, Applied

Nitrogen vacancies enriched Ce-doped Ni3N hierarchical nanosheets triggering highly-efficient urea oxidation reaction in urea-assisted energy-saving electrolysis

Meng Li et al.

Summary: This article reports a novel and efficient electrocatalyst Ce-Ni3N@CC, which optimizes the UOR kinetics, reduces operation voltage, and provides cost-effective electrons. The catalyst exhibits superior catalytic performance and offers a promising design strategy for the future development of energy-related devices.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Chemistry, Physical

Rh/RhOx nanosheets as pH-universal bifunctional catalysts for hydrazine oxidation and hydrogen evolution reactions

Junjun Yang et al.

Summary: The Rh/RhOx nanosheets with Rh-O-Rh interfaces synthesized in this study exhibit outstanding performance and stability as efficient bifunctional electrocatalysts for hydrogen evolution and hydrazine oxidation reaction in pH-universal electrolytes. The high activity is derived from the regulated interface, which greatly improves the catalyst's activity and reduces energy consumption, showing promise for hydrogen production in resolving energy and environmental crises.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Materials Science, Multidisciplinary

MFC-driven H2S electro-oxidation based on Fe nanoparticles anchored on carbon aerogel-ZIF-8: a combined experimental and DFT study

Daryoush Sanaei et al.

Summary: This study introduces an effective strategy to improve the crystalline structure and enhance the porosity/surface area of ZIF-8 by inducing the growth of carbon aerogel-ZIF-8 on a mixed-metal metal-organic framework template. The Fe-doped CA-ZIF-8@MM-MOF exhibits excellent electrocatalytic activity in the removal of H2S compared to a pristine carbon cloth electrode. The Fe-N-4 active centers are found to favor the adsorption and association/dissociation of H2S, while the M-Fe-M (C) centers are optimal for strengthening the bonding between Fe nanoparticles and the support.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Article Chemistry, Physical

Combined anodic and cathodic hydrogen production from aldehyde oxidation and hydrogen evolution reaction

Tehua Wang et al.

Summary: This study presents a hydrogen production system that combines anodic and cathodic H-2 production from low-potential aldehyde oxidation and the hydrogen evolution reaction, respectively, at a low voltage of about 0.1V. Unlike conventional aldehyde electrooxidation, the low-potential aldehyde oxidation enables the hydrogen atom to recombine into H-2 gas. The assembled electrolyser requires only about 0.35 kWh of electricity input per m(3) of H-2, providing a promising avenue for the safe, efficient and scalable production of high-purity hydrogen.

NATURE CATALYSIS (2022)

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Article Chemistry, Physical

Photovoltaic powered solar hydrogen production coupled with waste SO2 valorization enabled by MoP electrocatalysts

Jaemin Park et al.

Summary: In this study, high-rate H-2 generation using the sulfite oxidation reaction (SOR) was demonstrated as an alternative to the oxygen evolution reaction for solar H-2 production. The use of cost-effective molybdenum phosphide electrocatalyst as a bifunctional catalyst in an alkaline electrolyte resulted in remarkable photocurrent density. The SOR not only enhances photocurrent, but also reduces the overall cost of solar H-2 production by eliminating the need for expensive gas separation membranes.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Multidisciplinary Sciences

Splicing the active phases of copper/cobalt-based catalysts achieves high-rate tandem electroreduction of nitrate to ammonia

Wenhui He et al.

Summary: In this study, a design concept of tandem catalysts was proposed to achieve cascade conversion of waste nitrate to valuable ammonia using different transition metal phases. By transforming Cu-Co binary sulfides into Cu/CuOx and Co/CoO phases, efficient NH3 synthesis was achieved. The tandem catalyst system exhibited high Faradaic efficiency and NH3 yield rate in the presence of waste nitrate, and surpassed previous studies in terms of energy efficiency.

NATURE COMMUNICATIONS (2022)

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Article Chemistry, Physical

Integrated Catalytic Sites for Highly Efficient Electrochemical Oxidation of the Aldehyde and Hydroxyl Groups in 5-Hydroxymethylfurfural

Yuxuan Lu et al.

Summary: This study investigates the different catalytic processes of HMFOR and identifies direct and synergistic oxidation types. The introduction of nickel into cobalt oxide catalysts improves the hydroxyl activity and achieves optimal HMFOR performance.

ACS CATALYSIS (2022)

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Article Chemistry, Multidisciplinary

Technoeconomic and Life-Cycle Assessment for Electrocatalytic Production of Furandicarboxylic Acid

Poojan Patel et al.

Summary: This study assesses the economic aspects and environmental impacts of the electrochemical production of FDCA. It is found that the electrochemical method shows potential in terms of both economics and environmental impact, and further improvements can be made by reducing the environmental impact of HMF production. However, there is still a need to lower the current density to improve the process economics.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

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Article Chemistry, Physical

Atomically dispersed Pt and Fe sites and Pt-Fe nanoparticles for durable proton exchange membrane fuel cells

Fei Xiao et al.

Summary: Researchers have designed a hybrid electrocatalyst consisting of atomically dispersed platinum and iron single atoms, as well as platinum-iron alloy nanoparticles. This electrocatalyst exhibits higher activity and durability in proton exchange membrane fuel cells.

NATURE CATALYSIS (2022)

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Article Chemistry, Physical

A single-Pt-atom-on-Ru-nanoparticle electrocatalyst for CO-resilient methanol oxidation

Agus R. Poerwoprajitno et al.

Summary: Single Pt atom catalysts with high exposure are key targets to enhance electrocatalytic activity, and PtRu alloy nanoparticles are the most active catalysts for the methanol oxidation reaction. This study demonstrates a process to create single-Pt-atom-on-Ru catalysts by growing and spreading Pt islands on Ru branched nanoparticles. The formation of a stable single atom structure is driven by the formation of strong Pt-Ru bonds and the lowering of the surface energy of the Pt islands, resulting in a high current density and mass activity for the methanol oxidation reaction over time.

NATURE CATALYSIS (2022)

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Article Nanoscience & Nanotechnology

MoS2/Ni3S2/Reduced Graphene Oxide Nanostructure as an Electrocatalyst for Alcohol Fuel Cells

Parisa Salarizadeh et al.

Summary: In this study, a MoS2/Ni3S2/rGO catalyst was developed for alcohol fuel cells with cost-effectiveness, stability, and high performance. The synthesized catalysts were evaluated in alkaline media for alcohol electro-oxidation process. The results showed that the MoS2/Ni3S2/rGO catalyst exhibited good catalytic efficiency and excellent stability for methanol and ethanol.

ACS APPLIED NANO MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Effect of Surface-Adsorbed and Intercalated (Oxy)anions on the Oxygen Evolution Reaction

J. Niklas Hausmann et al.

Summary: Adding (oxy)anions to the electrolyte opens up new possibilities for OER catalysis by tuning the electronic properties of the catalyst and changing its catalytic activity.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Selective electrooxidation of primary amines over a Ni/Co metal-organic framework derived electrode enabling effective hydrogen production in the membrane-free electrolyzer

Ming Xiang et al.

Summary: In this study, a bimetallic Ni/Co metal-organic framework derivative was used as the anodic electrocatalyst, achieving a selective conversion of primary amines into nitriles under an oxidant-free condition with good yields and faradaic efficiencies.

JOURNAL OF POWER SOURCES (2022)

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Article Chemistry, Multidisciplinary

Highly Selective Electrocatalytic Oxidation of Amines to Nitriles Assisted by Water Oxidation on Metal-Doped α-Ni(OH)2

Yuxia Sun et al.

Summary: This study demonstrates a facile, green, and safe electrocatalytic route for the selective oxidation of amines to nitriles under ambient conditions. By controlling the co-adsorption balance between amine molecules and hydroxyls on the catalyst surface, manganese doping significantly promotes the chemical oxidation of amines.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Nanoscience & Nanotechnology

Copper Nanoparticles Dotted on Copper Sulfide Nanosheets for Selective Electrocatalytic Oxidation of Glycerol to Formate

Jiawei Du et al.

Summary: This study provides a simple method for the development of a high-activity non-noble metal catalyst for the oxidation of glycerol to formate. CuS nanosheet arrays are grown on a brass mesh, and copper nanoparticles are uniformly dotted on the CuS nanosheets to form Cu-CuS/BM. Cu-CuS/BM exhibits excellent activity and stability, with high selectivity and Faradaic efficiency for formate production.

ACS APPLIED NANO MATERIALS (2022)

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Article Engineering, Environmental

Fe-doped CoNiP@N-doped carbon nanosheet arrays for hydrazine oxidation assisting energy-saving seawater splitting

Xuanyi Wang et al.

Summary: In this study, a highly efficient and durable bifunctional catalyst FeCoNiP@NC was synthesized for hydrazine oxidation reaction (HzOR) and hydrogen evolution reaction (HER). The catalyst showed low voltage, high stability, and energy-saving hydrogen production in alkaline seawater.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Agricultural Engineering

Lignocellulosic biomass for bioethanol: Insight into the advanced pretreatment and fermentation approaches

Kamran Malik et al.

Summary: This review comprehensively discusses the second-generation bioethanol production from lignocellulosic biomass (LB), including suitable feedstock selection, different pretreatment methods, and the effect of engineered and immobilized microbial strains on biomass conversion to bioethanol.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Chemistry, Physical

One-step CO assisted synthesis of hierarchical porous PdRuCu nanosheets as advanced bifunctional catalysts for hydrogen evolution and glycerol oxidation

Jing Wang et al.

Summary: Hierarchical porous PdRuCu nanosheets (HP PdRuCu NSs) with large electrochemically active surface area, abundant active sites, and stable structures are synthesized through continuous access to CO bubbles. HP PdRuCu NSs exhibit excellent catalytic activity for the hydrogen evolution reaction and glycerol oxidation reaction, outperforming PdRu nanosheets (PdRu NSs), Pd nano-sheets (Pd NSs), and commercial Pd black. The introduction of Ru and Cu atoms facilitates C-C bond cleavage and the complete oxidation of glycerol to CO2, as well as the accelerated oxidation/removal of poisonous COads.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Multidisciplinary

Operando Elucidation of Electrocatalytic and Redox Mechanisms on a 2D Metal Organic Framework Catalyst for Efficient Electrosynthesis of Hydrogen Peroxide in Neutral Media

R. Dominic Ross et al.

Summary: This study demonstrates the potential of a metal organic framework catalyst called Ni(3)HAB(2) for selective and active two-electron oxygen reduction reaction (2e(-) ORR) in neutral electrolytes. The study also reveals the influence of the catalyst's redox features on the ORR and proposes a hypothesis for the reaction mechanism.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Review Chemistry, Multidisciplinary

Recent Developments of Methanol Electrooxidation Using Nickel-based Nanocatalysts

Dipanwita Majumdar et al.

Summary: In recent years, significant advancements have been made in the studies of methanol electrooxidation reactions, with scientists searching for more cost-effective and efficient electrocatalysts to improve the performance of methanol oxidation. Currently, there is a strong focus on utilizing nickel-based electrocatalysts to achieve efficient methanol electrooxidation.

CHEMISTRYSELECT (2022)

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Article Chemistry, Physical

Linear paired electrochemical valorization of glycerol enabled by the electro-Fenton process using a stable NiSe2 cathode

Hongyuan Sheng et al.

Summary: This study establishes an efficient cathodic valorization method for glycerol into high-value chemicals using the electro-Fenton process at a stable NiSe2 cathode. The proof-of-concept linear paired electrochemical process achieves high selectivity and conversion of glycerol into the same oxidation products at both NiSe2 cathode and Pt anode.

NATURE CATALYSIS (2022)

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Review Chemistry, Physical

Catalytic carbon and hydrogen cycles in plastics chemistry

Kunsheng Hu et al.

Summary: The increasing demands and disposal of plastics have led to environmental burdens. Chemical degradation and catalytic conversion techniques can transform plastics into valuable chemicals and fuels. Understanding the transformation routes of carbon and hydrogen elements in plastics is crucial for achieving a circular economy.

CHEM CATALYSIS (2022)

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Article Chemistry, Multidisciplinary

Epoxidation of olefins enabled by an electro-organic system

Kai Dong et al.

Summary: Renewable electricity-driven organic electrosynthesis processes using electrocatalytically generated H2O2 for olefin epoxidation can efficiently produce high-purity epoxide solutions, with only water and oxygen consumed at ambient conditions.

GREEN CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Ultra-low voltage bipolar hydrogen production from biomass-derived aldehydes and water in membrane-less electrolyzers

Hengzhou Liu et al.

Summary: This article introduces a new method for hydrogen production through water electrolysis using renewable energy sources. By replacing the sluggish oxygen evolution reaction with an electrocatalytic oxidative dehydrogenation of aldehydes, industrial-level hydrogen production is achieved at lower voltages. The use of a porous CuAg catalyst further enhances the reaction kinetics and a simple reactor with a dialysis porous membrane is demonstrated as a cost-effective and energy-efficient process for hydrogen production.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Short-range order in amorphous nickel oxide nanosheets enables selective and efficient electrochemical hydrogen peroxide production

Ruilong Li et al.

Summary: This study demonstrates that selective oxygen reduction reaction (ORR) can be achieved by tuning the short-range order of amorphous and crystalline NiO nanosheets. The amorphous NiO nanosheets exhibit high selectivity and activity for 2-electron ORR, while the crystalline NiO nanosheets tend to catalyze ORR through 4-electron pathways.

CELL REPORTS PHYSICAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Phosphorus vacancy-engineered Ce-doped CoP nanosheets for the electrocatalytic oxidation of 5-hydroxymethylfurfural

Jiahui Bi et al.

Summary: In this study, porous Ce-CoP nanosheets were designed through a deep eutectic solvent approach, and they achieved efficient electrooxidation of HMF to FDCA. In 1 M KOH electrolyte, the conversion of HMF, the yield of FDCA, and the faradaic efficiency were all at high levels.

CHEMICAL COMMUNICATIONS (2022)

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Review Biotechnology & Applied Microbiology

Recent Developments in Lignocellulosic Biofuels, a Renewable Source of Bioenergy

Ashutosh Kumar Rai et al.

Summary: Biofuel is a non-fossil fuel derived from organic biomass and can be obtained from plants, animals, microorganisms, and waste. It is important for human beings to shift their dependency on fossil fuels to alternative types of fuel, including biofuels, to meet the increasing energy demand. This review focuses on second-generation lignocellulosic biofuels obtained from non-edible plant biomass in a more sustainable way.

FERMENTATION-BASEL (2022)

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Article Chemistry, Physical

Understanding hydrazine oxidation electrocatalysis on undoped carbon

Tomer Y. Burshtein et al.

Summary: This study reveals that edge defects in carbon matrix serve as the most active catalytic sites during hydrazine oxidation reaction. The findings provide an explanation for the observed features on many doped carbons during the reaction.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2022)

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Review Chemistry, Multidisciplinary

Catalyst design, measurement guidelines, and device integration for H2O2 electrosynthesis from oxygen reduction

June Sung Lim et al.

Summary: This article presents recent progress in the development of electrocatalysts for the two-electron pathway oxygen reduction reaction (2e(-) ORR), highlighting the importance of active sites, interface structures, and evaluation methods. It also introduces the latest advances in high-current-density H2O2 electrosynthesis reactors and devices.

CELL REPORTS PHYSICAL SCIENCE (2022)

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Review Chemistry, Physical

Development Trends on Nickel-Based Electrocatalysts for Direct Hydrazine Fuel Cells

Diab Khalafallah et al.

Summary: Low temperature hydrazine fuel cells have the potential to be efficient energy carriers with exceptional power densities and carbon-free byproducts. However, the current limitations of platinum catalysts have hindered their large-scale application. To enhance energy conversion efficiency, electrocatalysts with low operating overpotentials and high tolerance to poisoning species are crucial. Developing earth abundant electrocatalysts with improved activity is a principal requirement, and recent research focuses on rational design and synthesis of Ni-based electrocatalysts for hydrazine oxidation reaction.

CHEMCATCHEM (2021)

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Article Chemistry, Multidisciplinary

Unveiling the Electrooxidation of Urea: Intramolecular Coupling of the N-N Bond

Wei Chen et al.

Summary: This study delves into the crucial role of nitrogenous nucleophile electrooxidation reaction (NOR) in the degradation and transformation of available nitrogen, particularly focusing on the transformation mechanism mediated by the beta-Ni(OH)(2) electrode. The study proposes the role of proton-coupled electron transfer (PCET) in bridging the electrocatalytic dehydrogenation and spontaneous nucleophile dehydrogenative oxidation reaction, with a specific focus on the urea oxidation reaction (UOR). Through both operando tracing and theoretical calculations, a mechanism for UOR involving intramolecular coupling of the N-N bond, accompanied by PCET, hydration, and rearrangement processes, is proposed to achieve high performance and approximately 100% N-2 selectivity. These findings shed light on the evolution of nitrogenous molecules during NOR, as well as fundamental aspects of electrocatalysis involving nitrogen-containing species.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Ultrathin layered double hydroxides nanosheets array towards efficient electrooxidation of 5-hydroxymethylfurfural coupled with hydrogen generation

Yingjie Song et al.

Summary: An efficient integrated electrocatalyst based on ultrathin layered double hydroxides nanosheet array with abundant oxygen vacancies for the oxidation of organic compounds was reported. High faradaic efficiency at high potential and largely depressed oxygen evolution reaction process were achieved. Furthermore, a two-electrode electrolyzer assembled based on this electrocatalyst exhibited low voltage for organic oxidation, high hydrogen yield, and excellent stability.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Engineering, Environmental

Refining d-band center in Ni0.85Se by Mo doping: A strategy for boosting hydrogen generation via coupling electrocatalytic oxidation 5-hydroxymethylfurfural

Chunming Yang et al.

Summary: The study found that Mo doping can increase the transmission speed of electrons within the catalyst, lower the d-band center of Ni in NF@Ni0.85Se, reduce H* adsorption energy, and promote the hydrogen evolution reaction (HER) and organic hydrogen adsorption process.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Sustainable Lactic Acid Production from Lignocellulosic Biomass

Yalin Li et al.

Summary: The study utilized an open-source platform for the design, simulation, and evaluation of lignocellulosic lactic acid biorefineries, demonstrating the potential for producing competitive lactic acid and the possibility of further enhancing performance through technological advancements and process optimization. Sensitivity analyses were conducted to quantify the impact of fermentation unit and feedstock characteristics on the sustainability of the biorefinery, highlighting the importance of agile TEA/LCA in screening promising biorefinery designs and establishing a roadmap for continued development of bioproducts and biofuels.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Review Energy & Fuels

Recent Progress in Electrocatalytic Glycerol Oxidation

Linfeng Fan et al.

Summary: This article discusses the electrocatalytic mechanism and processes of glycerol oxidation reaction (GOR), focusing on how glycerol can be converted into valuable chemical products. By selecting different cathodic reactions, different product values and energy benefits can be obtained. The main challenge for the future is to design high-selectivity and high-activity electrocatalysts.

ENERGY TECHNOLOGY (2021)

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Article Chemistry, Physical

Highly Catalytic Selectivity for Hydrogen Peroxide Generation from Oxygen Reduction on Nd-Doped Bi4Ti3O12 Nanosheets

Ziwei Zhang et al.

Summary: Bismuth titanate (Bi4Ti3O12) nanosheets as a new type of electrocatalyst show high catalytic activity and selectivity for H2O2 generation from 2e(-1)ORR. Nd-substituted Bi4Ti3O12 nanosheets exhibit even higher selectivity for O-2 to H2O2 conversion, achieving efficient H2O2 production under mild conditions. The excellent catalytic performance is attributed to the large surface area and abundant exposed active sites of the nanosheets.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Chemistry, Multidisciplinary

Selectively Upgrading Lignin Derivatives to Carboxylates through Electrochemical Oxidative C(OH)-C Bond Cleavage by a Mn-Doped Cobalt Oxyhydroxide Catalyst

Hua Zhou et al.

Summary: The study presents an efficient electrochemical strategy for upgrading lignin derivatives to carboxylates using MnCoOOH catalyst, with yields of 80-99% and operational stability up to 200 hours. A tandem oxidation mechanism is revealed, allowing for effective transformation of lignin derivatives into carboxylates.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Multidisciplinary

Electrocatalytic Refinery for Sustainable Production of Fuels and Chemicals

Cheng Tang et al.

Summary: The emerging electrocatalytic refinery (e-refinery) is a more sustainable and environmentally friendly strategy for converting renewable feedstocks and energy sources into transportable fuels and chemicals. Challenges remain in understanding mechanistic aspects and materials design for complex reactions in e-refinery processes.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Green & Sustainable Science & Technology

Hydrogen as energy carrier: Techno-economic assessment of decentralized hydrogen production in Germany

Ramchandra Bhandari et al.

Summary: Political and scientific discussions on changing German energy supply mix and challenges of energy transition are well established. The economic performance analysis of hydrogen production using solar electrolyzers in Cologne shows that grid connected systems are more cost-effective.

RENEWABLE ENERGY (2021)

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Article Chemistry, Multidisciplinary

Maximized Schottky Effect: The Ultrafine V2O3/Ni Heterojunctions Repeatedly Arranging on Monolayer Nanosheets for Efficient and Stable Water-to-Hydrogen Conversion

Qi Zhang et al.

Summary: The construction of Mott-Schottky heterojunction on nickel foam greatly increased the number of Schottky heterojunctions per unit area of the materials, enhancing their electron transfer capability. Arranging the heterojunctions into tulle-like monolayer nanosheets promotes the exposure to electrolyte and catalytic activity, leading to excellent performance in hydrogen evolution reaction and urea oxidation reaction.

SMALL (2021)

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Review Chemistry, Physical

Recent Advances on Electrolysis for Simultaneous Generation of Valuable Chemicals at both Anode and Cathode

Rui Li et al.

Summary: This review highlights the importance of integrating anode and cathode reactions for efficient use of electrical energy in electrocatalysis conversion processes, as well as the production of high-value substances. It provides a comprehensive overview of recent advances in co-electrolysis processes for valuable chemical production, discussing popular reactions such as hydrogen evolution and carbon dioxide reduction integrated with anodic oxidation reactions. Additionally, challenges and future prospects for these integrated reactions are proposed to benefit researchers and facilitate progress in the field.

ADVANCED ENERGY MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Coupling Interface Constructions of FeNi3-MoO2 Heterostructures for Efficient Urea Oxidation and Hydrogen Evolution Reaction

Qinglian Xu et al.

Summary: This study successfully prepared tomentum-like FeNi3-MoO2 heterojunction nanosheets array self-supported on nickel foam as bifunctional catalyst to enhance the efficiency of urea oxidation and hydrogen evolution reactions, demonstrating excellent bifunctional catalytic activity.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Highly Efficient Electro-reforming of 5-Hydroxymethylfurfural on Vertically Oriented Nickel Nanosheet/Carbon Hybrid Catalysts: Structure-Function Relationships

Xingyu Lu et al.

Summary: The study demonstrates the promising prospect of Ni-promoted electrocatalytic biomass reforming in high value-added product synthesis and presents a novel hybrid catalyst of Ni nanosheet forests for efficient electrooxidation reactions.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Chemical Identification of Catalytically Active Sites on Oxygen-doped Carbon Nanosheet to Decipher the High Activity for Electro-synthesis Hydrogen Peroxide

Shanyong Chen et al.

Summary: A chemical titration strategy was proposed to decipher the mechanism of oxygen-doped carbon nanosheet catalyst for 2 e(-) ORR, revealing that C=O species are the main active sites for electrocatalytic activity.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Rh-engineered ultrathin NiFe-LDH nanosheets enable highly-efficient overall water splitting and urea electrolysis

Huachuan Sun et al.

Summary: In this study, ultrathin rhodium-doped nickel-iron layered double hydroxide nanosheets were successfully synthesized, demonstrating excellent hydrogen evolution and oxygen evolution performance for advanced overall water splitting. The impressive mass activity in urea electro-oxidation reaction indicates great potential for overcoming the sluggish oxygen evolution reaction.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

One-pot synthesis of rugged PdRu nanosheets as the efficient catalysts for polyalcohol electrooxidation

Bin Zou et al.

Summary: The recent focus has been on the excellent electrocatalytic performance of two-dimensional metal nanosheets in direct alcohol fuel cells. PdRu nanosheets were successfully synthesized using a one-pot method, exhibiting superior electrocatalytic activity. PdRu NSs showed significantly higher mass activity in ethylene glycol and glycerol oxidation reactions compared to other catalysts.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Energy & Fuels

The role of renewable energy, fossil fuel consumption, urbanization and economic growth on CO2 emissions in China

Binlin Li et al.

Summary: This study examines the relationship between renewable energy, fossil fuel consumption, economic growth, urbanization, and CO2 emissions in China from 1990 to 2020. The findings suggest an inverted U-shaped relationship between CO2 emissions and GDP per capita, with fossil fuel consumption increasing CO2 emissions in China. The study also indicates a potential cumulative effect of renewable energy consumption on reducing CO2 emissions.

ENERGY REPORTS (2021)

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Article Chemistry, Multidisciplinary

Tailoring Acidic Oxygen Reduction Selectivity on Single-Atom Catalysts via Modification of First and Second Coordination Spheres

Cheng Tang et al.

Summary: This study demonstrates that the molecular-level local structure, including first and second coordination spheres, plays a critical role in determining the selectivity of catalytic reactions. By modifying the first and second coordination spheres of Co-SACs, it is possible to tailor the oxygen reduction reaction selectivity. The unique selectivity change originates from the structure-dependent shift of active sites, leading to improved activity and selectivity for acidic H2O2 electrosynthesis.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Multidisciplinary Sciences

Electrocatalytic synthesis of heterocycles from biomass-derived furfuryl alcohols

Xuan Liu et al.

Summary: The synthesis of heterocyclic moieties pertaining to biologically active molecules from biomass-based starting compounds is attractive yet underexplored. In this study, an electrocatalytic Achmatowicz reaction for the synthesis of hydropyranones from biomass-derived furfuryl alcohols was reported.

NATURE COMMUNICATIONS (2021)

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Article Nanoscience & Nanotechnology

Ni3S2/Ni Heterostructure Nanobelt Arrays as Bifunctional Catalysts for Urea-Rich Wastewater Degradation

Xiaoyan Zhuo et al.

Summary: In this study, Ni3S2/Ni heterostructure nanobelt arrays supported on nickel foam were synthesized for accelerating urea oxidation reaction and hydrogen evolution reaction. The heterostructure between Ni3S2 and Ni was found to optimize urea decomposition and hydrogen production, providing a feasible and cost-effective strategy for urea-rich wastewater degradation and hydrogen production.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Scalable Synthesis of Tungsten Disulfide Nanosheets for Alkali-Acid Electrocatalytic Sulfion Recycling and H2 Generation

Luocai Yi et al.

Summary: WS2 nanosheets synthesized with a reliable, scalable, and high-yield strategy exhibit excellent electrocatalytic properties for both alkaline S2- oxidation reaction and acidic hydrogen evolution reaction. A hybrid alkali-acid electrochemical cell utilizing WS2 nanosheets as bifunctional electrode catalysts shows promise for self-power or low-electricity electrolytic H-2 generation and environmentally friendly sulfion recycling with enhanced electron utilization efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Defect-Rich High-Entropy Oxide Nanosheets for Efficient 5-Hydroxymethylfurfural Electrooxidation

Kaizhi Gu et al.

Summary: A low-temperature plasma strategy was used to prepare defect-rich HEOs nanosheets with high surface area, which showed improved catalytic activity for organic compound oxidation and outperformed HEOs prepared by high-temperature methods. This method provides new opportunities for synthesizing nanostructured HEOs with great potential applications.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Integrating Hydrogen Production and Transfer Hydrogenation with Selenite Promoted Electrooxidation of α-Nitrotoluenes to E-Nitroethenes

Xiaodan Chong et al.

Summary: A novel electrochemical carbon-added reaction using NiSe as an efficient anode has been developed to selectively synthesize E-nitroethene with high selectivity and efficiency. The high performance is attributed to the surface layer formed during electrooxidation and the preferential adsorption of intermediate on NiOOH. This study highlights the promising potential for energy-saving hydrogen generation and scaled-up synthesis of targeted compounds.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

In Situ Growth of Ultrathin Ni(OH)2 Nanosheets as Catalyst for Electrocatalytic Oxidation Reactions

Jifang Zhang et al.

Summary: A method for growing ultrathin nickel hydroxide nanosheets on nickel foam has been developed for efficient oxidation of HMF to FDCA. Mechanistic studies reveal that FDCA is generated through two further oxidation steps.

CHEMSUSCHEM (2021)

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Article Electrochemistry

Hierarchically nanostructured (Ni,Co)phosphides for hydrazine electrooxidation

Piaoping Tang et al.

Summary: The study revealed that nickel-cobalt phosphides have high catalytic activity for hydrazine electrooxidation, outperforming previously reported electrocatalysts, but they also face challenges in suppressing non-faradaic hydrazine decomposition.

ELECTROCHIMICA ACTA (2021)

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Article Electrochemistry

Introduction of surface defects in NiO with effective removal of adsorbed catalyst poisons for improved electrochemical urea oxidation

Chandraraj Alex et al.

Summary: Surface oxidised NiO prepared by electron beam bombardment shows higher efficiency in urea oxidation and improved performance in removing CO2 poisoning. Increasing KOH concentration effectively removes surface poisoning and enhances catalyst performance.

ELECTROCHIMICA ACTA (2021)

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Article Multidisciplinary Sciences

Electrocatalytic upcycling of polyethylene terephthalate to commodity chemicals and H2 fuel

Hua Zhou et al.

Summary: This study investigates a nickel-cobalt phosphide electrocatalyst for electroreforming PET plastic into valuable chemicals and fuel. The process shows profitability at high current densities and the developed catalyst demonstrates excellent performance in achieving desired products.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Catalytic Role of Metal Nanoparticles in Selectivity Control over Photodehydrogenative Coupling of Primary Amines to Imines and Secondary Amines

Jin Yu et al.

Summary: Through experiments on photodehydrogenative coupling of primary amines supported by Pt and Pd NPs on graphitic carbon nitride, it was found that Pt has weak adsorption for photogenerated imines and H atoms leading to imine production, while Pd promotes consecutive hydrogenation of imines due to strong affinity for both imine and H atoms, resulting in high yields of a series of imines and secondary amines.

ACS CATALYSIS (2021)

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Article Energy & Fuels

Nickel ferrocyanide as a high-performance urea oxidation electrocatalyst

Shi-Kui Geng et al.

Summary: Researchers have found that the nickel ferrocyanide catalyst can drive the urea oxidation reaction with higher activity and stability. Moreover, the catalyst appears to operate via a different pathway, which facilitates the efficiency of ammonia production.

NATURE ENERGY (2021)

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Article Chemistry, Multidisciplinary

Platinum Modulates Redox Properties and 5-Hydroxymethylfurfural Adsorption Kinetics of Ni(OH)2 for Biomass Upgrading

Bo Zhou et al.

Summary: In this study, platinum modification of nickel hydroxide improved the current density of the 5-hydroxymethylfurfural oxidation reaction (HMFOR) and optimized the formation of active Ni(OH)O species. Platinum also reduced the adsorption energy of HMF, enhancing the catalytic process.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Morphology engineering of atomic layer defect-rich CoSe2 nanosheets for highly selective electrosynthesis of hydrogen peroxide

Yuan Ji et al.

Summary: A high-performance electrocatalyst consisting of three atomic-layer defect-rich CoSe2 nanosheets grown on carbon cloth is introduced, showing unprecedented 92% selectivity towards H2O2 production in alkaline solutions and high yields of H2O2 in both alkaline and acidic solutions. The efficiency and selectivity are attributed to the rich defects in the atomic-layer CoSe2 nanosheets, which accelerate the adsorption of OOH by the exposed Co defect sites.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Metastable Two-Dimensional Materials for Electrocatalytic Energy Conversions

Huanyu Jin et al.

Summary: Two-dimensional materials have emerged as promising electrocatalysts due to their unique physical and chemical properties. Metastable phases of 2D materials, which are highly active for electrocatalytic processes, can be obtained by destabilizing thermodynamically stable phases. Considerations for designing high-performance metastable 2D electrocatalysts include synthesis economy, product yield, post-treatment applicability, general synthesis protocols, and chemical and catalytic stabilities.

ACCOUNTS OF MATERIALS RESEARCH (2021)

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Review Chemistry, Multidisciplinary

Recent progress in water-splitting electrocatalysis mediated by 2D noble metal materials

Lin Tian et al.

Summary: Two-dimensional nanostructures have enabled noble-metal-based nanomaterials to be promising electrocatalysts towards overall water splitting, with inherent structural advantages and beneficial electronic and strain effects. The review highlights the recent progress in advanced electrocatalysts based on 2D noble-metal-based nanomaterials and discusses water-splitting mechanisms, engineering strategies, challenges, and structural merits of 2D nanostructures. Additionally, representative water-splitting electrocatalysts are discussed to showcase the superiorities of 2D noble-metal-based nanomaterials for electrochemical water splitting, while also addressing underlying challenges and future opportunities.

NANOSCALE (2021)

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Article Chemistry, Multidisciplinary

Electrochemical upgrading of biomass-derived 5-hydroxymethylfurfural and furfural over oxygen vacancy-rich NiCoMn-layered double hydroxides nanosheets

Biying Liu et al.

Summary: A highly efficient ternary NiCoMn-layered double hydroxides (NiCoMn-LDHs) nanosheet catalyst with oxygen vacancy-rich properties has been developed for the electrooxidation of HMF and furfural to FDCA and FurAc, showing high yields and good faradaic efficiency. The mechanism for its superior performance lies in the exposure of more active sites with oxygen vacancies, promoting synergistic effects between HMF and furfural oxidation reactions.

GREEN CHEMISTRY (2021)

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Article Chemistry, Physical

Electrocatalytic hydrogen peroxide production in acidic media enabled by NiS2 nanosheets

Jie Liang et al.

Summary: The study introduces NiS2 nanosheets as an efficient electrocatalyst for the 2e(-) ORR under acidic conditions, showing high selectivity and yield rate.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

Boosting HMF oxidation performance via decorating ultrathin nickel hydroxide nanosheets with amorphous copper hydroxide islands

Jiawei Zhang et al.

Summary: Utilizing ultrathin Ni(OH)2 nanosheets decorated with amorphous Cu(OH)2 islands as catalyst shows great potential for improving the efficiency of HMF electrooxidation, providing a promising solution for selective oxidation of HMF into value-added chemicals.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Integrating hydrogen production with anodic selective oxidation of sulfides over a CoFe layered double hydroxide electrode

Lina Ma et al.

Summary: This study presents an electrochemical protocol for the selective oxidation of sulfides to sulfoxides using a CoFe-LDH anode in an aqueous-MeCN electrolyte, coupled with enhanced H-2 productivity. The protocol demonstrates high activity, catalyst stability, and generality in selective sulfide oxidation, showing applicability in the synthesis of pharmaceutical compounds. X-ray spectroscopy investigations reveal the evolution of the CoFe-LDH material into an amorphous CoFe-oxyhydroxide under catalytic conditions. This work may lead to sustainable organic synthesis of valuable pharmaceuticals coupled with H-2 production.

CHEMICAL SCIENCE (2021)

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Article Chemistry, Physical

Nitrogen-doped graphene nanosheets supported assembled Pd nanoflowers for efficient ethanol electrooxidation

Ying Wang et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2020)

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Article Chemistry, Physical

Synthesis of N doped NiZnCu-layered double hydroxides with reduced graphene oxide on nickel foam as versatile electrocatalysts for hydrogen production in hybrid-water electrolysis

Shengnan Hu et al.

JOURNAL OF POWER SOURCES (2020)

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Article Chemistry, Physical

Atomic-level tuning of Co-N-C catalyst for high-performance electrochemical H2O2 production

Euiyeon Jung et al.

NATURE MATERIALS (2020)

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Review Chemistry, Multidisciplinary

Designing Advanced Catalysts for Energy Conversion Based on Urea Oxidation Reaction

Bingjun Zhu et al.

SMALL (2020)

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Article Multidisciplinary Sciences

Efficient electrochemical production of glucaric acid and H2 via glucose electrolysis

Wu-Jun Liu et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Photoimmobilized Ni Clusters Boost Photodehydrogenative Coupling of Amines to Imines via Enhanced Hydrogen Evolution Kinetics

Yi Huang et al.

ACS CATALYSIS (2020)

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Article Chemistry, Physical

Oxygen Evolution Activity on NiOOH Catalysts: Four-Coordinated Ni Cation as the Active Site and the Hydroperoxide Mechanism

Li-Fen Li et al.

ACS CATALYSIS (2020)

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Article Chemistry, Multidisciplinary

Partially Pyrolyzed Binary Metal-Organic Framework Nanosheets for Efficient Electrochemical Hydrogen Peroxide Synthesis

Mengjun Wang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Electrochemistry

Intermetallic PtBi Nanoplates with High Catalytic Activity towards Electro-oxidation of Formic Acid and Glycerol

Chang-Yi Wang et al.

CHEMELECTROCHEM (2020)

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Article Chemistry, Physical

NiCo layered double hydroxide/hydroxide nanosheet heterostructures for highly efficient electro-oxidation of urea

Xiaodong Yan et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Article Chemistry, Multidisciplinary

Hierarchically nanostructured NiO-Co3O4 with rich interface defects for the electro-oxidation of 5-hydroxymethylfurfural

Yuxuan Lu et al.

SCIENCE CHINA-CHEMISTRY (2020)

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Article Multidisciplinary Sciences

Manipulating dehydrogenation kinetics through dual-doping Co3N electrode enables highly efficient hydrazine oxidation assisting self-powered H2 production

Yi Liu et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Trimetallic NiCoFe-Layered Double Hydroxides Nanosheets Efficient for Oxygen Evolution and Highly Selective Oxidation of Biomass-Derived 5-Hydroxymethylfurfural

Man Zhang et al.

ACS CATALYSIS (2020)

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Article Chemistry, Physical

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