Solid polymer electrolyte fuel cell and method for producing...

Details Solid polymer electrolyte fuel cell and method for producing... Solid polymer electrolyte fuel cell and method for producing...

2005-05-24

2005-05-24

Barr, Michael (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000, C429S047000

Reexamination Certificate

active

06896991

ABSTRACT:
A solid polymer electrolyte fuel cell includes a polymer electrolyte membrane having proton-conductivity. An anode is disposed on one surface of the polymer electrolyte membrane, and a cathode is disposed on the other surface of the polymer electrolyte membrane. The cathode has a first gas diffusion layer joined to a second gas diffusion layer in the thickness direction of the cathode. The second gas diffusion layer has different characteristic compared to the first gas diffusion layer.

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patent: 6605381 (2003-08-01), Rosenmayer
patent: 20010044373 (2001-11-01), Lott et al.
patent: 20030068544 (2003-04-01), Cisar et al.
patent: 10-261421 (1998-09-01), None
patent: 2000-136493 (2000-05-01), None

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