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Insights / Projects / Platinum-Group-Metal-Free Heterostructure Phosphide Cathode for AEMWE

Platinum-Group-Metal-Free Heterostructure Phosphide Cathode for AEMWE

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Research and development of a non-precious-metal catalyst system for anion-exchange membrane water electrolyzers, combining a nanoscale heterostructure of two complementary metal phosphides with a nickel-iron anode.

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Washington
Government
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Often mentioned with · Organizations

McKelvey School of Engineering, Washington University in St. Louis
institution 1 mention
Washington
Government
gov US 1 mention
Argonne National Laboratory
National laboratory research
institution United States 1 mention
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Often mentioned with · Technologies

Platinum-Group-Metal-Free Heterostructure Phosphide Cathode
A nanoscale heterostructure composed of two complementary metal phosphides designed to replace platinum in water electrolyzers. One phosphide phase excels at breaking water apart, while the other facilitates hydrogen atom combination and release.
1 mention
Nickel-Iron Anode
An oxygen evolution catalyst used in alkaline electrolyzer systems as a complement to the phosphide cathode. It is a proven, earth-abundant alternative to precious metal anodes.
1 mention
Anion-Exchange Membrane Water Electrolyzer (AEMWE)
A water electrolysis technology that splits water into hydrogen and oxygen while shuttling hydroxide ions through an alkaline polymer membrane. AEMWE combines the cost benefits of traditional alkaline electrolysis with the compactness and efficiency of membrane-based technologies.
1 mention
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Often mentioned with · Locations

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Missouri
Missouri
US 1 mention

Often mentioned with · Facilities

McKelvey School of Engineering
1 mention

Often mentioned with · Products

Heterostructure Phosphide Cathode
A nanoscale heterostructure composed of two complementary metal phosphides designed to replace platinum in anion-exchange membrane water electrolyzers. The cathode operates at industry-level current densities for over 1,000 hours without degradation.
1 mention
Journal of the American Chemical Society
Academic publishing
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Often mentioned with · People

Gang Wu
United States 1 mention

Often mentioned with · Research studies

Platinum-Group-Metal-Free Heterostructure Phosphide Cathode for Anion-Exchange Membrane Water Electrolyzers
1 mention
PGM-Free Fuel Cell Studies
1 mention
Nickel-Coated Carbon Electrodes
1 mention

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Platinum-Free Catalyst Paves Way for Cost-Effective Green Hydrogen Production

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