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Research Progress on the Performance Optimization and Application of Gas Diffusion Layers for Proton Exchange Membrane Fuel Cells
Received:March 25, 2025  Revised:May 08, 2025
DOI：10.11980/j.issn.0254-508X.2025.09.007
Key Words:proton exchange membrane fuel cells  gas diffusion layers  microporous layer  water vapor transport  corrosion resistance
Fund Project:浙江省“尖兵&领雁”研发攻关计划项目（2024C03119、2022C01066）。
Author NameAffiliationPostcode
LUO Jiawen* School of Environment and Natural Resources,Zhejiang University of Science and Technology,Hangzhou,Zhejiang Province,310023 310023
CAO Mei Zhejiang Shanying Paper Co.‍, Ltd., Jiaxing, Zhejiang Province,314300 314300
GUO Dingwen Zhejiang Shanying Paper Co.‍, Ltd., Jiaxing, Zhejiang Province,314300 314300
GUO Daliang* School of Environment and Natural Resources,Zhejiang University of Science and Technology,Hangzhou,Zhejiang Province,310023 310023
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Abstract:The gas diffusion layer (GDL) of a proton exchange membrane fuel cells (PEMFC) primarily consists of a carbon paper layer and a microporous layer (MPL)， which directly influences the mass transfer efficiency and performance stability of the fuel cell. This paper reviewed the application forms of novel GDL， including ultra-thin， flexible， and integrated types， and introduced research progress on enhancing the water management capability， conductivity， and mechanical properties of the carbon paper layer and MPL through technology improvements and material optimization. Based on the application requirements of GDL， the paper summarized technical strategies for improving water vapor transport performance by optimizing pore structure， adjusting component ratios， and designing contact interfaces， as well as enhancing corrosion resistance and durability of GDL through different coating technologies. Finally， the future development directions of GDL were outlined.
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