Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1997-06-25
1998-08-25
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 39, 429210, H01M 804, H01M 810
Patent
active
057981884
ABSTRACT:
A polymer electrolyte membrane fuel cell comprised of polymer electrolyte membranes, gas diffusion electrodes that sandwich the membranes, and bipolar plates operating as gas separation plates and current collectors with fuel/oxidizing agent supply and discharge passages provided by projections on both of its surfaces. A bipolar plate is employed which comprises projections on the bipolar plate of a melt-processible polymer having good fluidity and a coating on the surfaces of the bipolar plate comprising metal, metal nitride or metal carbide.
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Japanese Patent Abstract, Application No. 63-125897, filed May, 25, 1988 and published Nov. 29, 1989, Hitachi Ltd.
Chemical Abstract No. 1340-12, vol. 101, No. 16, Oct. 15, 1984, "Substitutes for carbon in fuel cell applications", Jalan, Vinod M.
Mukohyama Atsushi
Takeda Toshihiko
E. I. DuPont de Nemours and Company
Maples John S.
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