High pressure coaxial fuel cell

Details High pressure coaxial fuel cell High pressure coaxial fuel cell

1998-04-06

2000-05-09

Wong, Edna

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 33, 429 34, 429 94, H01M 810, H01M 200, H01M 400

Patent

active

060601884

ABSTRACT:
A fuel cell (20) can be constructed to be generally formed in the shape of a solid cylinder. The fuel cell has a porous central core (22) of reticulated vitreous aluminum 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 (24) 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 (26) is situated between the electrolyte and the anode. A fuel chamber (28) is situated coaxially around and in intimate contact with the anode and arranged to distribute fuel throughout the fuel cell.

REFERENCES:
patent: 4341847 (1982-07-01), Sammells
patent: 4420544 (1983-12-01), Lawson et al.
patent: 5458989 (1995-10-01), Dodge

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