Fuel cell plate separator

Details Fuel cell plate separator Fuel cell plate separator

1985-04-15

1986-09-16

LeFevour, Charles F.

Metal working

Method of mechanical manufacture

Electrical device making

296231, 427115, H01M 600

Patent

active

046113967

ABSTRACT:
A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

REFERENCES:
patent: 4115528 (1978-09-01), Christner et al.
patent: 4365008 (1982-12-01), De Casperis et al.

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