Coated cathode substrate

Details Coated cathode substrate Coated cathode substrate

1988-09-08

1991-12-10

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 16, 429 40, 429 44, H01M 814, H01M 802

Patent

active

050717170

ABSTRACT:
Gaps occurring between a cathode substrate and a gas housing in a fuel cell interfere with electron transfer in the cell causing high cell internal resistance. To reduce the high resistance gaps are closed by coating the substrate with metal powder that expands during oxidation closing the gaps.

REFERENCES:
patent: 3278336 (1966-10-01), Uline et al.
patent: 3445294 (1969-05-01), Leonard
patent: 4115627 (1978-09-01), Christner et al.
patent: 4279970 (1981-07-01), Breault et al.
patent: 4329403 (1982-05-01), Baker
patent: 4361631 (1982-11-01), Iacovangelo et al.
patent: 4374185 (1983-02-01), Powers et al.
patent: 4397917 (1983-08-01), Chi et al.
patent: 4411968 (1983-10-01), Deiser et al.
patent: 4416955 (1983-11-01), Chi
patent: 4591538 (1986-05-01), Kunz
McGraw-Hill Encyclopedia of Science and Technology-5th Edition 1982, pp. 397-400.

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