Fuel cell with integral fuel storage

Details Fuel cell with integral fuel storage Fuel cell with integral fuel storage

1998-06-29

2000-06-27

Gorgos, Kathryn

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 30, 429 33, 4292182, H01M 810

Patent

active

060805013

ABSTRACT:
A fuel cell (30) has an internal fuel source (35) that is in a matrix around a membrane electrode assembly (29). The membrane electrode assembly is constructed to be generally formed in the shape of a solid cylinder. The fuel cell has a porous central core (22) of reticulated vitreous metal that is formed in the shape of a solid cylinder. The porous central core serves to distribute oxidant throughout the fuel cell. A cathode (23) is situated coaxially around the porous central core, and has a catalytic layer on the outer side. A solid polymer electrolyte (25) is situated coaxially around the cathode and in intimate contact with the catalytic layer. An anode (27) is situated coaxially around the electrolyte, and a second layer of catalytic material is situated between the electrolyte and the anode. A housing (31) contains the internal fuel supply and holds the membrane electrode assemblies in place.

REFERENCES:
patent: 5314762 (1994-05-01), Hamada et al.
patent: 5458784 (1995-10-01), Baker et al.
patent: 5458989 (1995-10-01), Dodge
patent: 5653951 (1997-08-01), Rodriguez et al.

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