Proton Exchange Membrane Water Splitting: Advances in Electrode Structure and Mass‐Charge Transport Optimization
Source abstract
Abstract
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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Fuel Cells and Related Materials · Electrocatalysts for Energy Conversion · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for Renewable Energy and Storage Technologies (CREST) Physical Science and Engineering Division King Abdullah University of Science and Technology Thuwal 23955‐6900 Kingdom of Saudi Arabia
KAUST Catalysis Center (KCC) Division of Physical Science and Engineering King Abdullah University of Science and Technology (KAUST) Thuwal 23955‐6900 Kingdom of Saudi Arabia
School of Materials Science and Engineering Advanced Chemical Engineering and Energy Materials Research Center China University of Petroleum (East China) Qingdao 266580 P. R. China
Institute for Advanced Interdisciplinary Research (iAIR) School of Chemistry and Chemical Engineering University of Jinan Jinan 250022 P. R. China
State Key Laboratory for Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials, and College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 P. R. China
Fuels & Chemicals Division Research & Development Center, Saudi Aramco Dhahran 31311 Saudi Arabia
Funding
King Abdullah University of Science and Technology · National Natural Science Foundation of China · Taishan Scholar Project of Shandong Province · Natural Science Foundation of Shandong Province
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