A membrane electrode unit for polymer electrolyte fuel cells...

Details A membrane electrode unit for polymer electrolyte fuel cells... A membrane electrode unit for polymer electrolyte fuel cells...

H - Electricity

01

M

H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/92 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2353761

The invention provides a membrane electrode unit for polymer electrolyte fuel cells consisting of a polymer electrolyte membrane, both faces of which are in contact with porous reaction layers and gas distributor layers. The reaction layers contain noble metal catalysts supported on carbon and a proton-conducting polymer, a so- called ionomer. The membrane electrode unit is characterised in that at least one of the two reaction layers also contains a noble metal black.

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