Fuel cell electrolyte reservoir layer and method for making

Details Fuel cell electrolyte reservoir layer and method for making Fuel cell electrolyte reservoir layer and method for making

1978-09-11

1980-01-22

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 41, 429 44, 427115, H01M 802, H01M 808

Patent

active

041851455

ABSTRACT:
A porous graphite reservoir layer for retaining electrolyte within a fuel cell is improved by coating the pore surfaces of the reservoir layer with wettable, particulate amorphous carbon. Preferably the amorphous carbon particles are colloidal and have a mean pore size considerably smaller than the pore size of the body which they coat. This coated reservoir retains its hydrophilic properties for an extended period of time.

REFERENCES:
patent: 3519486 (1970-07-01), Huebscher et al.
patent: 3779811 (1973-12-01), Bushnell et al.
patent: 4017664 (1977-04-01), Breault
patent: 4035551 (1977-07-01), Grevstad
patent: 4038463 (1977-07-01), Lamarine et al.
patent: 4064322 (1977-12-01), Bushnell et al.

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