Dynamic Reconstruction of Ce‐Doped Fe2P/NiCoP Hybrid for Ampere‐Level Oxygen Evolution in Anion Exchange Membrane Water Electrolysis
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DOI: 10.1002/adfm.202500861
Abstract: The sluggish kinetics of the oxygen evolution reaction (OER) critically limit the efficiency of anion exchange membrane water electrolysis (AEMWE). Herein, a Ce‐doped bimetallic Fe2P/NiCoP hybrid pre‐catalyst that undergoes dynamic reconstruction to activate a highly… read more here.
Keywords: anion exchange; fe2p nicop; reconstruction; oxygen evolution ... See more keywords
Epitaxially Grown Bimetallic Phosphide With High Activity and Durability for Bifunctional Alkaline Anion Exchange Membrane Water Electrolysis
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DOI: 10.1002/adfm.202521020
Abstract: Bimetallic phosphides stand promising candidates as bifunctional electrocatalysts for replacing precious noble metals on both cathode and anode in anion exchange membrane water electrolysis (AEMWE), however, the intrinsic electrochemical properties constrain their practical application. Herein,… read more here.
Keywords: water electrolysis; anion exchange; water; membrane water ... See more keywords
Optimizing Ionomer Distribution in Anode Catalyst Layer for Stable Proton Exchange Membrane Water Electrolysis
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DOI: 10.1002/adma.202402780
Abstract: The high cost of proton exchange membrane water electrolysis (PEMWE) originates from the usage of precious materials, insufficient efficiency, and lifetime. In this work, an important degradation mechanism of PEMWE caused by dynamics of ionomers… read more here.
Keywords: layer; catalyst; proton exchange; membrane water ... See more keywords
Metallic Ru─Ru Interaction in Ruthenium Oxide Enabling Durable Proton Exchange Membrane Water Electrolysis
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DOI: 10.1002/adma.202404213
Abstract: Developing efficient and robust electrocatalysts toward the oxygen evolution reaction (OER) is critical for proton exchange membrane water electrolysis (PEMWE). RuO2 possesses intrinsically high OER activity, but the concurrent electrochemical dissolution leads to rapid deactivation.… read more here.
Keywords: water electrolysis; proton exchange; membrane water; ruo2 ... See more keywords
Constructing Highly Porous Low Iridium Anode Catalysts Via Dealloying for Proton Exchange Membrane Water Electrolyzers
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DOI: 10.1002/adma.202409386
Abstract: Iridium (Ir) is the most active and durable anode catalyst for the oxygen evolution reaction (OER) for proton exchange membrane water electrolyzers (PEMWEs). However, their large‐scale applications are hindered by high costs and scarcity of… read more here.
Keywords: catalysts via; water electrolyzers; proton exchange; membrane water ... See more keywords
A High‐entropy Antiperovskite Nitride Enables Efficient Anion Exchange Membrane Water Electrolysis
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DOI: 10.1002/adma.202509042
Abstract: Despite the availability of many (oxy)hydroxide‐based oxygen evolution reaction (OER) electrocatalysts with favorable intrinsic activity, few perform well in anion exchange membrane water electrolyzers (AEMWEs). Their poor electrical conductivity confines the OER to the boundary… read more here.
Keywords: anion exchange; antiperovskite nitride; membrane water; exchange membrane ... See more keywords
Tensile‐Strained RuO2 Loaded on Antimony‐Tin Oxide by Fast Quenching for Proton‐Exchange Membrane Water Electrolyzer
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DOI: 10.1002/advs.202201654
Abstract: Future energy demands for green hydrogen have fueled intensive research on proton‐exchange membrane water electrolyzers (PEMWE). However, the sluggish oxygen evolution reaction (OER) and highly corrosive environment on the anode side narrow the catalysts to… read more here.
Keywords: exchange membrane; antimony tin; fast quenching; proton exchange ... See more keywords
Development of Efficient Catalyst Layers for Proton Exchange Membrane Water Electrolysis: The Role of Catalyst Supports
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DOI: 10.1002/aenm.202501586
Abstract: Proton exchange membrane water electrolysis (PEMWE) is a promising technology for green hydrogen production, but requires a high iridium (Ir) loading of ≈2.0 mg cm−2 in the anode catalyst layer (CL), which increases capital costs… read more here.
Keywords: water electrolysis; catalyst; proton exchange; catalyst supports ... See more keywords
Degradation of NiMo Catalyst Under Intermittent Operation of Anion Exchange Membrane Water Electrolyzer and its Mitigation by Carbon Encapsulation
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DOI: 10.1002/aenm.202501800
Abstract: Developing durable platinum group metal (PGM)‐free catalysts is critical for enabling cost‐effective hydrogen production through anion exchange membrane water electrolyzers (AEMWEs). Here, this study presents NiMo catalysts encapsulated within defective carbon shells. Whereas conventional NiMo… read more here.
Keywords: anion exchange; carbon; catalyst; membrane water ... See more keywords
Developing Catalysts for Membrane Electrode Assemblies in High Performance Polymer Electrolyte Membrane Water Electrolyzers
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DOI: 10.1002/cssc.202301827
Abstract: Abstract Extensive research is underway to achieve carbon neutrality through the production of green hydrogen via water electrolysis, powered by renewable energy. Polymer membrane water electrolyzers, such as proton exchange membrane water electrolyzer (PEMWE) and… read more here.
Keywords: water; electrode; water electrolyzers; performance ... See more keywords
Facile electrochemical preparation of nonprecious Co‐Cu alloy catalysts for hydrogen production in proton exchange membrane water electrolysis
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DOI: 10.1002/er.5099
Abstract: To realize nonprecious‐metal catalysts with practical applicability for the hydrogen evolution reaction (HER), improved corrosion resistance and catalytic activity are required. In this study, composition‐controlled Co‐Cu alloys were fabricated by electrodeposition for use as HER… read more here.
Keywords: exchange membrane; proton exchange; membrane water;