Active solid polymer electrolyte membrane for solid polymer...

Details Active solid polymer electrolyte membrane for solid polymer... Active solid polymer electrolyte membrane for solid polymer...

H - Electricity

01

M

H01M 4/94 (2006.01) H01M 2/14 (2006.01) H01M 4/90 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2358676

An active solid polymer electrolyte membrane provides an enhancement in power-generating performance. The active solid polymer electrolyte membrane in a solid polymer electrolyte fuel cell includes a solid polymer electrolyte element, and a plurality of noble metal catalyst grains which are carried by an ion exchanger in a surface layer located inside a surface of the solid polymer electrolyte element and which are dispersed uniformly in the entire surface layer. The surface layer has a thickness t2 that is equal to or smaller than 10 µm. The amount CA of the noble metal catalyst grains carried is in the range of 0.02 mg/cm2 <= CA < 0.14 mg/cm2.

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