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Updated: Jul 21, 2025

Hydrogen Production and Utilization in a Membrane Reactor
Published on: March 10, 2023
Recent advances in proton exchange membrane water electrolysis
Rui-Ting Liu1, Zheng-Long Xu1, Fu-Min Li2
1Department of Industrial and Systems Engineering, State Key Laboratory of Ultraprecision Machining Technology, Research Institute of Advanced Manufacturing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China. zhenglong.xu@polyu.edu.hk.
Proton exchange membrane water electrolyzers (PEMWEs) offer green hydrogen production but face cost and durability challenges. This review details advancements and identifies gaps for practical, sustainable PEMWE applications.
Area of Science:
- Electrochemical Engineering
- Sustainable Energy Technologies
- Materials Science
Background:
- Proton exchange membrane water electrolyzers (PEMWEs) are key for renewable energy storage, producing high-purity hydrogen.
- Advances in PEMWE stack components have improved efficiency, but cost and durability issues persist.
- Challenges in acidic conditions hinder large-scale and long-term PEMWE applications.
Purpose of the Study:
- To review the latest engineering developments in PEMWE systems.
- To assess the gap between current research and practical PEMWE applications.
- To propose solutions for cost-effective and durable PEMWE systems.
Main Methods:
- Comprehensive literature review of PEMWE technology.
- Analysis of reaction mechanisms, structure-composition-performance correlations.
- Examination of manufacturing methods, system design, and operation protocols.
Main Results:
- Identified significant progress in PEMWE efficiency through component design.
- Highlighted discrepancies between literature data and practical requirements for PEMWEs.
- Detailed current challenges in cost and durability for widespread adoption.
Conclusions:
- Bridging the gap between research and application requires addressing cost and durability.
- Further development is needed to enable widespread, sustainable PEMWE deployment.
- This review offers insights for researchers and industry to advance PEMWE technology.
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