Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity

Article Chemistry, Physical

Enhanced electrocatalytic activity of a layered triple hydroxide (LTH) by modulating the electronic structure and active sites for efficient and stable urea electrolysis

Komal Patil et al.

Summary: Urea electrolysis is an energy-saving and efficient method for hydrogen production, which plays an important role in the production of renewable energy.

SUSTAINABLE ENERGY & FUELS (2022)

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Review Chemistry, Physical

Recent progress and prospect of carbon-free single-site catalysts for the hydrogen and oxygen evolution reactions

Jingqi Guan et al.

Summary: The review explores feasible design strategies for fabricating carbon-free single-site catalysts for hydrogen and oxygen evolution reactions, detailing the constitutive relationships between structure, composition, and catalytic performance. Insights are provided for constructing high-performance electrocatalysts for HER and OER, with future research directions and challenges in single-site catalysts for electrochemical water splitting suggested.

NANO RESEARCH (2022)

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Review Chemistry, Physical

Applications of single-atom catalysts

Qiaoqiao Zhang et al.

Summary: Single-atom catalysts exhibit high catalytic performance in various reactions due to their unique structure and coordination environment, making them versatile in organic synthesis, environmental remediation, energy conversion, and biomedicine. However, the diverse configurations of active sites present challenges for researchers in establishing the relationship between structure and activity.

NANO RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Low-overpotential overall water splitting by a cooperative interface of cobalt-iron hydroxide and iron oxyhydroxide

Pravin Babar et al.

Summary: Interface engineering is a powerful strategy to enhance the activity of electrocatalysts. Researchers have successfully grown CoFe-OH nanosheets on nickel foam substrates and deposited FeOOH nanoparticles, resulting in a CoFe-OH@FeOOH nanocomposite with abundant active sites and high surface area. This nanocomposite exhibits fast kinetics for electrochemical water splitting, with a low overpotential value for oxygen evolution and a low cell voltage for overall water splitting.

CELL REPORTS PHYSICAL SCIENCE (2022)

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Article Engineering, Environmental

Ion modification of transition cobalt oxide by soaking strategy for enhanced water splitting

Xian Zhang et al.

Summary: A smart soaking strategy of sulfur/iron ion modification was developed to activate Co3O4, forming a heterogeneous structure with excellent HER/OER performance. This study offers a facile approach for the development of transition metal oxides as splendid bifunctional catalysts, contributing to cost and energy savings for industrial applications and the design of advanced functional materials for energy chemistry.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Ultrahigh Oxygen Evolution Reaction Activity Achieved Using Ir Single Atoms on Amorphous CoOx Nanosheets

Chao Cai et al.

Summary: A high-density Ir single-atom catalyst supported by CoOx amorphous nanosheets was designed for the OER, showing ultrahigh mass activity and record low onset overpotential. In situ X-ray absorption spectroscopy revealed that Ir-O-Co pairs directly enhanced the OER efficiency and improved Ir stability.

ACS CATALYSIS (2021)

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Article Chemistry, Physical

Extensive Active-Site Formation in Trirutile CoSb2O6 by Oxygen Vacancy for Oxygen Evolution Reaction in Anion Exchange Membrane Water Splitting

Kahyun Ham et al.

Summary: A new octahedral Co2+-rich Co oxide catalyst was reported to efficiently lower the cell voltage in anion exchange membrane water splitting for H-2 production. By increasing the amount of Co4+ at the active sites, the oxygen evolution reaction activity was enhanced, leading to a lower OER overpotential.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction

N. Liu et al.

Summary: The rational fabrication of OER electrocatalysts using earth-abundant elements is important for sustainable energy applications. By creating a core-shell Co3O4@FeOx catalyst with an ultrathin FeOx coating, higher OER activity can be achieved due to the promotion of reaction, enhanced charge transfer ability, and accelerated diffusion attributed to the introduction of ultrathin FeOx.

MATERIALS TODAY ENERGY (2021)

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Article Chemistry, Multidisciplinary

All-pH Stable Sandwich-Structured MoO2/MoS2/C Hollow Nanoreactors for Enhanced Electrochemical Hydrogen Evolution

Feilong Gong et al.

Summary: A novel design of MoO2/MoS2/C hollow nanoreactors with high electrocatalytic efficiency for hydrogen evolution over all pH values is reported. The introduction of sulfur vacancies on MoO2 substrates and the design of defective carbon shells enhance the stability of the electrocatalysts in acidic and alkaline media, showing potential for durable hydrogen evolution. The vacancy engineering can regulate the band structures, electron density differences, total density of states, and adsorption-dissociation ability of H* and H2O over the entire pH range, providing insights for the rational development of practical pH-universal electrocatalysts.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Exceptional Electrochemical HER Performance with Enhanced Electron Transfer between Ru Nanoparticles and Single Atoms Dispersed on a Carbon Substrate

Panpan Su et al.

Summary: The study introduces a new method to control the electrocatalytic behavior of supported metal nanoparticles by dispersing single metal atoms on O-doped graphene, showing improved performance for the hydrogen evolution reaction. This approach offers a new strategy for modulating the activity and stability of metal nanoparticles in electrocatalysis processes.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Enhanced oxygen evolution activity on mesoporous cobalt-iron oxides

Tianmi Tang et al.

Summary: Developing efficient OER electrocatalysts is crucial for addressing the energy crisis and environmental pollution. The ordered mesoporous iron-cobalt oxides synthesized in this study show excellent performance in terms of low overpotentials and long-term stability, attributed to the concerted catalysis between iron and cobalt sites and the large specific surface area of the porous oxide material.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Applied

Efficient spinel iron-cobalt oxide/nitrogen-doped ordered mesoporous carbon catalyst for rechargeable zinc-air batteries

He-lei Wei et al.

Summary: The developed catalyst composed of spinel iron-cobalt oxide and nitrogen-doped ordered mesoporous carbon showed excellent electrocatalytic performance in metal-air batteries, achieving high energy density, high power density, and superior cycling stability.

CHINESE JOURNAL OF CATALYSIS (2021)

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Review Chemistry, Applied

Strategies to improve electrocatalytic and photocatalytic performance of two-dimensional materials for hydrogen evolution reaction

Saisai Li et al.

Summary: This review summarizes three efficient strategies for improving the HER performance of 2D catalysts and discusses key factors to consider when designing and constructing novel 2D materials. Challenges and prospects of 2D materials in the HER are also considered.

CHINESE JOURNAL OF CATALYSIS (2021)

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Article Chemistry, Multidisciplinary

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

Hongming Sun et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Vacancy Engineering of Iron-Doped W18O49 Nanoreactors for Low-Barrier Electrochemical Nitrogen Reduction

Yueyu Tong et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Review Materials Science, Multidisciplinary

Strategies for design of electrocatalysts for hydrogen evolution under alkaline conditions

Xuesi Wang et al.

MATERIALS TODAY (2020)

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Review Chemistry, Physical

Recent Advances on Water-Splitting Electrocatalysis Mediated by Noble-Metal-Based Nanostructured Materials

Yingjie Li et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Amorphous cobalt-cerium binary metal oxides as high performance electrocatalyst for oxygen evolution reaction

Lili Pan et al.

JOURNAL OF CATALYSIS (2020)

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Article Chemistry, Physical

Recent Progress in Electrocatalysts for Acidic Water Oxidation

Zhanwu Lei et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Boosting electrochemical oxygen evolution over yolk-shell structured O-MoS2 nanoreactors with sulfur vacancy and decorated Pt nanoparticles

Feilong Gong et al.

NANO ENERGY (2020)

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Article Chemistry, Physical

Morphology regulation of metal-organic framework-derived nanostructures for efficient oxygen evolution electrocatalysis

Yuwen Li et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

Defect-rich (Co, Fe)3O4 hierarchical nanosheet arrays for efficient oxygen evolution reaction

Fang Liu et al.

APPLIED SURFACE SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Single-crystalline CoFe nanoparticles encapsulated in N-doped carbon nanotubes as a bifunctional catalyst for water splitting

Xiaojun Zeng et al.

MATERIALS CHEMISTRY FRONTIERS (2020)

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Article Chemistry, Multidisciplinary

A high-performance bimetallic cobalt iron oxide catalyst for the oxygen evolution reaction

Donggang Guo et al.

CRYSTENGCOMM (2020)

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Review Chemistry, Multidisciplinary

A review on fundamentals for designing oxygen evolution electrocatalysts

Jiajia Song et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Review Chemistry, Multidisciplinary

Atomic site electrocatalysts for water splitting, oxygen reduction and selective oxidation

Di Zhao et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Article Chemistry, Physical

Microwave-assisted facile synthesis of cobalt-iron oxide nanocomposites for oxygen production using alkaline anion exchange membrane water electrolysis

Guan-Cheng Chen et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2019)

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Article Chemistry, Physical

CuxCo3-xO4 ultra-thin film as efficient anodic catalysts for anion exchange membrane water electrolysers

E. Lopez-Fernandez et al.

JOURNAL OF POWER SOURCES (2019)

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Article Chemistry, Analytical

Ordered mesoporous spinel CoFe2O4 as efficient electrocatalyst for the oxygen evolution reaction

Yarong Huang et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2019)

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Review Chemistry, Multidisciplinary

Noble-Metal-Free Electrocatalysts for Oxygen Evolution

Fenglei Lyu et al.

SMALL (2019)

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Article Chemistry, Multidisciplinary

Coordination-assisted synthesis of iron-incorporated cobalt oxide nanoplates for enhanced oxygen evolution

F. Lyu et al.

MATERIALS TODAY CHEMISTRY (2019)

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Article Chemistry, Physical

Charge-Transfer Effects in Fe-Co and Fe-Co-Y Oxides for Electrocatalytic Water Oxidation Reaction

Qiaoqiao Zhang et al.

ACS APPLIED ENERGY MATERIALS (2019)

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Review Materials Science, Multidisciplinary

Strategies to Break the Scaling Relation toward Enhanced Oxygen Electrocatalysis

Zhen-Feng Huang et al.

MATTER (2019)

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Article Chemistry, Multidisciplinary

Cobalt Iron Hydroxide as a Precious Metal-Free Bifunctional Electrocatalyst for Efficient Overall Water Splitting

Pravin Babar et al.

SMALL (2018)

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Article Chemistry, Multidisciplinary

Cobalt Oxide Materials for Oxygen Evolution Catalysis via Single-Source Precursor Chemistry

Denis A. Kuznetsov et al.

CHEMISTRY-A EUROPEAN JOURNAL (2018)

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Article Chemistry, Physical

Cobalt/Iron(Oxides) Heterostructures for Efficient Oxygen Evolution and Benzyl Alcohol Oxidation Reactions

Yiyin Huang et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Multidisciplinary

Operando X-Ray Absorption Spectroscopy Shows Iron Oxidation Is Concurrent with Oxygen Evolution in Cobalt-Iron (Oxy)hydroxide Electrocatalysts

Lisa J. Enman et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Physical

Seamlessly Conductive 3D Nanoarchitecture of Core-Shell Ni-Co Nanowire Network for Highly Efficient Oxygen Evolution

Seok-Hu Bae et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Multidisciplinary Sciences

Spectroscopic identification of active sites for the oxygen evolution reaction on iron-cobalt oxides

Rodney D. L. Smith et al.

NATURE COMMUNICATIONS (2017)

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Article Chemistry, Physical

Amorphous Cobalt Oxide Nanoparticles as Active Water-Oxidation Catalysts

Zheng Chen et al.

CHEMCATCHEM (2017)

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Article Chemistry, Multidisciplinary

Ultrathin Iron-Cobalt Oxide Nanosheets with Abundant Oxygen Vacancies for the Oxygen Evolution Reaction

Linzhou Zhuang et al.

ADVANCED MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Amorphous Cobalt-Iron Hydroxide Nanosheet Electrocatalyst for Efficient Electrochemical and Photo-Electrochemical Oxygen Evolution

Wei Liu et al.

ADVANCED FUNCTIONAL MATERIALS (2017)

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Review Chemistry, Multidisciplinary

Non-Noble Metal-based Carbon Composites in Hydrogen Evolution Reaction: Fundamentals to Applications

Jing Wang et al.

ADVANCED MATERIALS (2017)

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Review Chemistry, Multidisciplinary

Synthesis and applications of porous non-silica metal oxide submicrospheres

Yash Boyjoo et al.

CHEMICAL SOCIETY REVIEWS (2016)

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Article Multidisciplinary Sciences

Homogeneously dispersed multimetal oxygen-evolving catalysts

Bo Zhang et al.

SCIENCE (2016)

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Article Chemistry, Physical

Rational design of cobalt-chromium layered double hydroxide as a highly efficient electrocatalyst for water oxidation

Chenlong Dong et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

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Article Chemistry, Physical

Electrochemical Study of the Energetics of the Oxygen Evolution Reaction at Nickel Iron (Oxy)Hydroxide Catalysts

John R. Swierk et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

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Article Chemistry, Multidisciplinary

Ultrathin Cobalt-Manganese Layered Double Hydroxide Is an Efficient Oxygen Evolution Catalyst

Fang Song et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Multidisciplinary Sciences

Photochemical Route for Accessing Amorphous Metal Oxide Materials for Water Oxidation Catalysis

Rodney D. L. Smith et al.

SCIENCE (2013)

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Article Chemistry, Physical

Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces

Isabela C. Man et al.

CHEMCATCHEM (2011)

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Article Electrochemistry

Soft template synthesis of mesoporous Co3O4/RuO2•xH2O composites for electrochemical capacitors

Yang Liu et al.

ELECTROCHIMICA ACTA (2008)

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Partial crystallization of Co-Fe oxyhydroxides towards enhanced oxygen evolution activity

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