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公开(公告)号：US12062824B2
公开(公告)日：2024-08-13
申请号：US17785183
申请日：2020-12-21
IPC分类号： H01M8/1004 , H01M4/88 , H01M4/90
CPC分类号： H01M8/1004 , H01M4/886 , H01M4/8882 , H01M4/8896 , H01M4/9083
摘要： A method of manufacturing a membrane-electrode assembly including an electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the catalyst layer before bonding; and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer-formed gas diffusion layer to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer-formed gas diffusion layer and the electrolyte membrane with high productivity.
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公开(公告)号：US11929511B2
公开(公告)日：2024-03-12
申请号：US17785530
申请日：2020-12-21
IPC分类号： H01M4/88 , H01M8/1004 , H01M8/1023
CPC分类号： H01M4/881 , H01M4/8882 , H01M4/8896 , H01M8/1004 , H01M8/1023 , H01M2300/0082
摘要： A method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the electrolyte membrane before bonding; and a thermocompression bonding step of bonding, to the catalyst layer, the electrolyte membrane to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity.
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