Catalytic dry powder material for fuel cell electrodes comprisin

Details Catalytic dry powder material for fuel cell electrodes comprisin Catalytic dry powder material for fuel cell electrodes comprisin

1978-06-28

1979-12-04

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

260 4222, 260 4227, 2521821, 2524253, 252430, 427115, 427122, 429 42, 528502, B01J 3102, H01M 404, H01M 496

Patent

active

041771591

ABSTRACT:
A novel powder particularly suitable for forming the catalyst layer in the manufacture of electrochemical cell electrodes comprises a high molecular weight fluorocarbon polymer and precatalyzed carbon. The maximum size of the particles is about five microns and the polymer has a molecular weight of at least one million.

REFERENCES:
patent: 2479451 (1949-08-01), Young et al.
patent: 2961712 (1960-11-01), Davis
patent: 3080258 (1963-03-01), Davis
patent: 3440107 (1969-04-01), Barber
patent: 3528955 (1970-09-01), Lippman
patent: 3857737 (1974-12-01), Kemp et al.
patent: 4031033 (1977-06-01), Budenski et al.
patent: 4043933 (1977-08-01), Breault
patent: 4044193 (1977-08-01), Petrow et al.

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