Insight into the role of sulfur in increasing intrinsic activity of Ni-Fe for efficient water splitting electrocatalysis

Article Chemistry, Physical

Binder-free bifunctional SnFe sulfide/oxyhydroxide heterostructure electrocatalysts for overall water splitting

Ting Zhang et al.

Summary: SnFeSxOy/NF is synthesized using a solvothermal method, exhibiting low overpotentials and high catalytic activity for water electrolysis.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

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Article Chemistry, Physical

Nitrogen doped FeCoNiS nanoparticles on N, S-co-doped vertical graphene as bifunctional electrocatalyst for water splitting

Jine Yang et al.

Summary: An economical and efficient electrocatalyst for water splitting, N-FeCoNiS/SVG, is successfully developed through one-step electrodeposition. The electrocatalyst exhibits excellent hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) potentials, as well as high stability. This work provides theoretical and technical support for the study of water splitting bifunctional electrocatalysts.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

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Review Chemistry, Physical

Influence of renewable energy power fluctuations on water electrolysis for green hydrogen production

Hirokazu Kojima et al.

Summary: The development of renewable energy technologies is crucial for achieving carbon neutrality. Stable storage and transportation of hydrogen in large quantities can maximize power utilization. A detailed understanding of the characteristics and operating methods of fluctuating power-driven water electrolysis technologies is essential for green hydrogen production.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

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Article Chemistry, Physical

Partially crystallized Ni-Fe oxyhydroxides promotes oxygen evolution

Tianmi Tang et al.

Summary: A NiFe0.5(OH)(x) catalyst with partially crystallized nickel-iron oxyhydroxides exhibits superior OER performance, with low OER overpotential and good durability. The energy barrier of NiFe0.5(OH)(x) is smaller than those of Ni(OH)(x) and Fe(OH)(x), indicating its efficient catalytic activity for the formation of *OOH intermediate in the OER.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

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Article Chemistry, Physical

Tuning of electrocatalytic activity of mixed metal dichalcogenides supported NiMoP coatings for alkaline hydrogen evolution reaction

S. Rijith et al.

Summary: The WS2-MoS2 mixed metal dichalcogenides were coated onto Cu substrate using the electroless NiMoP plating technique, and their electrocatalytic hydrogen evolution reaction (HER) performance was investigated. Various characterization techniques were conducted to identify the enhanced structural, morphological, and electrocatalytic parameters of the WS2-MoS2/NiMoP coatings under different operating conditions. The results showed improved catalytic activity and durability of the WS2-MoS2/NiMoP coatings, which exhibited promising potential for large-scale H2 generation.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2023)

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Article Chemistry, Physical

Potentiostatic electrodeposition of cost-effective and efficient Ni-Fe electrocatalysts on Ni foam for the alkaline hydrogen evolution reaction

Zejie Zhang et al.

Summary: This study successfully prepared a nickel-iron catalyst with high electrocatalytic activity, showing low overpotentials in alkaline electrolyte.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

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Article Chemistry, Physical

Designing highly efficient 3D porous Ni-Fe sulfide nanosheets based catalyst for the overall water splitting through component regulation

Zhiyi Pan et al.

Summary: In this study, three-dimensional porous Ni-Fe sulfide nanosheets were synthesized and used as catalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The catalyst exhibited high efficiency, low overpotential, and long-term stability, making it a promising catalyst for overall water splitting (OWS).

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

One-step synthesis of amorphous NiCoP nanoparticles by electrodeposition as highly efficient electrocatalyst for hydrogen evolution reaction in alkaline solution

Yanpeng Cao et al.

Summary: The study presents a simple and low-cost method for preparing an excellent catalyst in alkaline solution, synthesizing NiCoP/CC nanoparticles through one-step electrodeposition. The catalyst exhibits good catalytic activity and stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Insight into sulfur and iron effect of binary nickel-iron sulfide on oxygen evolution reaction

Qikang Wu et al.

Summary: Studies have shown that low valence sulfur species enhance the performance of binary nickel-iron sulfide in OER. In situ Raman spectroscopy and density functional theory calculations reveal that Ni-OH deprotonation is a key step, and Fe does not directly participate in oxygen production.

NANO RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Metallic-Bonded Pt-Co for Atomically Dispersed Pt in the Co4N Matrix as an Efficient Electrocatalyst for Hydrogen Generation

Zexing Wu et al.

Summary: This study presents the development of a catalyst, T-Pt-Co4N, based on ginkgo leaf-like Co4N coupled with trace Pt through a metallic bond Pt-Co, for hydrogen evolution reaction (HER) in water electrolysis. The T-Pt-Co4N catalyst exhibits low overpotentials and excellent long-term stability in alkaline and neutral electrolytes, surpassing benchmark values. It also shows the ability to drive overall water splitting with the assistance of sustainable energies. The unique nanostructure of the catalyst accelerates the electrocatalytic process by providing abundant active sites and mass transport channels. Experimental and theoretical calculations confirm that the metallic bond Pt-Co plays a crucial role in optimizing the reaction kinetics for HER, leading to enhanced electrocatalytic performance.

ACS NANO (2022)

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Article Chemistry, Inorganic & Nuclear

Phosphorus doped two-dimensional CoFe2O4 nanobelts decorated with Ru nanoclusters and Co-Fe hydroxide as efficient electrocatalysts toward hydrogen generation

Wenli Yu et al.

Summary: In this study, a novel and efficient HER catalyst is developed by introducing phosphorus, Ru, and CoFe hydroxide clusters onto 2D CoFe2O4 nanobelts. The modified catalyst exhibits excellent HER performance and long-term stability, showing potential applications in large-scale hydrogen generation.

INORGANIC CHEMISTRY FRONTIERS (2022)

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Article Chemistry, Physical

Ultrastable NiFeOOH/NiFe/Ni electrocatalysts prepared by in-situ electro-oxidation for oxygen evolution reaction at large current density

Yutai Wu et al.

Summary: A strategy for preparing NiFeOOH/NiFe/Ni catalysts with excellent catalytic activity for OER has been designed in this study, allowing efficient hydrogen production from water splitting at large current densities. The water-alkali electrolyzer using this catalyst as the anode demonstrates stable performance for industrial water splitting.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Physical

Effect of iron on Ni-Mo-Fe composite as a low-cost bifunctional electrocatalyst for overall water splitting

Ramin Badrnezhad et al.

Summary: This study successfully synthesized Ni-Mo-Fe as a bifunctional electrocatalyst for efficient hydrogen and oxygen evolution reactions in alkaline media. The fabricated catalyst exhibited excellent performance and stability, making it a candidate for industrial applications in alkaline electrolyzers.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Electrocatalytic properties for the hydrogen evolution of the electrodeposited Ni-Mo/WC composites

A. Laszczynska et al.

Summary: The catalytic activity for hydrogen evolution reaction of electrodeposited Ni-Mo/WC composites in 1 M KOH solution is investigated, showing superior performance compared to Ni-Mo alloy. The presence of WC nanoparticles and Mo content in the metallic matrix significantly affect the electrocatalytic properties. The best performance is observed in the composite with the highest Mo content and most oxidized surface.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Multidisciplinary

Unveiling Role of Sulfate Ion in Nickel-Iron (oxy)Hydroxide with Enhanced Oxygen-Evolving Performance

Hanxiao Liao et al.

Summary: This study developed a sulfate ion modulation strategy to enhance the oxygen evolution reaction activity of NiFe (oxy)hydroxide by accelerating the electrochemical reconstruction of pre-catalyst and stabilizing the reaction intermediate, leading to a significantly improved OER performance.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Simultaneous hydrogen evolution and ethanol oxidation in alkaline medium via a self-supported bifunctional electrocatalyst of Ni-Fe phosphide/Ni foam

Shuang Sheng et al.

Summary: The study introduces a high-efficiency self-supported bifunctional electrocatalyst consisting of hierarchical nickel-iron phosphide nanosheets grown directly on nickel foam, which show promising performance in ethanol oxidation reaction and hydrogen evolution reaction. The assembled hybrid ethanol-water electrolyser requires lower voltage for operation than traditional water splitting, showcasing potential for energy-saving hydrogen generation and ethanol oxidation applications.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Interface Engineering of Ni3Fe and FeV2O4 Coupling with Carbon-Coated Mesoporous Nanosheets for Boosting Overall Water Splitting at 1500 mA cm-2

Hao Zhang et al.

Summary: The construction of a heterojunction is crucial for enhancing the performance of non-noble metal catalysts in overall water splitting (OWS) at large current density. The synthesized Ni3Fe/FeV2O4 heterojunction catalyst demonstrated enhanced catalytic activity and stability for OWS applications.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

In situ fabrication of a Ni-Fe-S hollow hierarchical sphere: an efficient (pre)catalyst for OER and HER

Zhuoxun Yin et al.

Summary: The hierarchically porous Ni-Fe-S hollow hierarchical sphere, synthesized through a solvothermal reaction and ion-exchange process, exhibits superior oxygen evolution and hydrogen evolution activities compared to other electrocatalysts, demonstrating promising potential for large-scale water splitting applications.

NEW JOURNAL OF CHEMISTRY (2021)

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Article Materials Science, Multidisciplinary

A multiphase nickel iron sulfide hybrid electrode for highly active oxygen evolution

Pengsong Li et al.

SCIENCE CHINA-MATERIALS (2020)

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Review Chemistry, Multidisciplinary

Amorphous Catalysts and Electrochemical Water Splitting: An Untold Story of Harmony

Sengeni Anantharaj et al.

SMALL (2020)

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Article Chemistry, Multidisciplinary

Novel (Ni, Fe)S2/(Ni, Fe)3S4 solid solution hybrid: an efficient electrocatalyst with robust oxygen-evolving performance

Pin Hao et al.

SCIENCE CHINA-CHEMISTRY (2020)

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Article Chemistry, Physical

Ni-Fe nanocubes embedded with Pt nanoparticles for hydrogen and oxygen evolution reactions

Mingxuan Fu et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Article Chemistry, Multidisciplinary

Unveiling the Promotion of Surface-Adsorbed Chalcogenate on the Electrocatalytic Oxygen Evolution Reaction

Yanmei Shi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Nanoscience & Nanotechnology

Pulse Electrodeposition of a Superhydrophilic and Binder-Free Ni- Fe-P Nanostructure as Highly Active and Durable Electrocatalyst for Both Hydrogen and Oxygen Evolution Reactions

Ghasem Barati Darband et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Review Energy & Fuels

A Review on Advanced FeNi-Based Catalysts for Water Splitting Reaction

Dongze Li et al.

ENERGY & FUELS (2020)

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Article Chemistry, Physical

Synthesis of Synergistic Nitrogen-Doped NiMoO4/Ni3N Heterostructure for Implementation of an Efficient Alkaline Electrocatalytic Hydrogen Evolution Reaction

Xiaolei Liu et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Sulfur vacancies promoting Fe-doped Ni3S2nanopyramid arrays as efficient bifunctional electrocatalysts for overall water splitting

Shu-Chao Sun et al.

SUSTAINABLE ENERGY & FUELS (2020)

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Article Chemistry, Multidisciplinary

Exceptional performance of hierarchical Ni-Fe oxyhydroxide@NiFe alloy nanowire array electrocatalysts for large current density water splitting

Caiwu Liang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Physical

Nickel-iron selenide polyhedral nanocrystal with optimized surface morphology as a high-performance bifunctional electrocatalyst for overall water splitting

Xianbiao Hu et al.

APPLIED SURFACE SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Ni-Fe Phosphate/Ni Foam Electrode: Facile Hydrothermal Synthesis and Ultralong Oxygen Evolution Reaction Durability

Xiaolei Li et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

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Article Chemistry, Physical

Sea urchin-like Ni-Fe sulfide architectures as efficient electrocatalysts for the oxygen evolution reaction

Cuijuan Xuan et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Physical

One-step synthesis of amorphous Ni-Fe-P alloy as bifunctional electrocatalyst for overall water splitting in alkaline medium

Jiqiong Lian et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2018)

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Article Multidisciplinary Sciences

Systematic design of superaerophobic nanotube-array electrode comprised of transition-metal sulfides for overall water splitting

Haoyi Li et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

One-step growth of nitrogen-decorated iron-nickel sulfide nanosheets for the oxygen evolution reaction

Yanshuo Jin et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Multidisciplinary

One-Step In Situ Growth of Iron-Nickel Sulfide Nanosheets on FeNi Alloy Foils: High-Performance and Self-Supported Electrodes for Water Oxidation

Cheng-Zong Yuan et al.

SMALL (2017)

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Article Chemistry, Physical

Iridium nanoparticles anchored on 3D graphite foam as a bifunctional electrocatalyst for excellent overall water splitting in acidic solution

Jian Zhang et al.

NANO ENERGY (2017)

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Article Chemistry, Physical

Amorphous NiFe-OH/NiFeP Electrocatalyst Fabricated at Low Temperature for Water Oxidation Applications

Hanfeng Liang et al.

ACS ENERGY LETTERS (2017)

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Article Chemistry, Multidisciplinary

Bifunctional Nickel Phosphide Nanocatalysts Supported on Carbon Fiber Paper for Highly Effi cient and Stable Overall Water Splitting

Xiaoguang Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2016)

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Review Chemistry, Physical

Recent progress on earth abundant hydrogen evolution reaction and oxygen evolution reaction bifunctional electrocatalyst for overall water splitting in alkaline media

Mohammed Ibrahim Jamesh

JOURNAL OF POWER SOURCES (2016)

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Porous Two-Dimensional Nanosheets Converted from Layered Double Hydroxides and Their Applications in Electrocatalytic Water Splitting

Hanfeng Liang et al.

CHEMISTRY OF MATERIALS (2015)

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Article Chemistry, Physical

Synthesis and characterization of NiFe2O4 electrocatalyst for the hydrogen evolution reaction in alkaline water electrolysis using different polymer binders

Debabrata Chanda et al.

JOURNAL OF POWER SOURCES (2015)

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Article Chemistry, Multidisciplinary

Identification of Highly Active Fe Sites in (Ni,Fe)OOH for Electrocatalytic Water Splitting

Daniel Friebel et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Review Optics

Artificial photosynthesis for solar water-splitting

Yasuhiro Tachibana et al.

NATURE PHOTONICS (2012)

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Article Chemistry, Physical

Characterization of the Ni-Mo catalyst formed in situ during hydrogen generation from alkaline water electrolysis

Gvozden S. Tasic et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2011)

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Rational Solution Growth of α-FeOOH Nanowires Driven by Screw Dislocations and Their Conversion to α-Fe2O3 Nanowires

Fei Meng et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2011)

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The role of iron in the prevention of nickel electrode deactivation in alkaline electrolysis

Anne E. Mauer et al.

ELECTROCHIMICA ACTA (2007)

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New interpretations of XPS spectra of nickel metal and oxides

Andrew P. Grosvenor et al.

SURFACE SCIENCE (2006)

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Characterization of Ni, NiMo, NiW and NiFe electroactive coatings as electrocatalysts for hydrogen evolution in an acidic medium

E Navarro-Flores et al.

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL (2005)

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Insight into the role of sulfur in increasing intrinsic activity of Ni-Fe for efficient water splitting electrocatalysis

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