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Proton Exchange Membrane Water Splitting: Advances in Electrode Structure and Mass‐Charge Transport Optimization

140
Citations
April 1, 2025
Published Date

Research Abstract & Technology Focus

Abstract
Proton exchange membrane water electrolysis (PEMWE) represents a promising technology for renewable hydrogen production. However, the large‐scale commercialization of PEMWE faces challenges due to the need for acid oxygen evolution reaction (OER) catalysts with long‐term stability and corrosion‐resistant membrane electrode assemblies (MEA). This review thoroughly examines the deactivation mechanisms of acidic OER and crucial factors affecting assembly instability in complex reaction environments, including catalyst degradation, dynamic behavior at the MEA triple‐phase boundary, and equipment failures. Targeted solutions are proposed, including catalyst improvements, optimized MEA designs, and operational strategies. Finally, the review highlights perspectives on strict activity/stability evaluation standards, in situ/operando characteristics, and practical electrolyzer optimization. These insights emphasize the interrelationship between catalysts, MEAs, activity, and stability, offering new guidance for accelerating the commercialization of PEMWE catalysts and systems.
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What is the core focus of the research titled 'Proton Exchange Membrane Water Splitting: Advances in Electrode Structure and Mass‐Charge Transport Optimization'?

This literature focuses on: Abstract Proton exchange membrane water electrolysis (PEMWE) represents a promising technology for renewable hydrogen production. However, the large‐scale commercialization of PEMWE faces challenges due to the need for acid oxyge...

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Yes, highly correlated activity was mapped. An entry titled 'Proton Exchange Membrane Water Splitting: Advances in Electrode Structure and Mass‐Charge Transport Optimization' discusses this: Abstract Proton exchange membrane water electrolysis (PEMWE) represents a promising technology for renewable hydrogen production....

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Yes, highly correlated activity was mapped. An entry titled 'Directed heterogeneous hydride transfer enables selective CO2 reduction using a Janus palladium membrane electrode' discusses this: Electrochemical CO2 reduction is typically constrained by proton-coupled electron transfer, which couples CO2 conversion with competing H2 evolutio...

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