Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
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.
Revis Stephen E.
Skapars Anthony
United Technologies Corporation
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