Automated catalyst processing for cloud electrode fabrication fo

Details Automated catalyst processing for cloud electrode fabrication fo Automated catalyst processing for cloud electrode fabrication fo

1979-05-30

1980-11-11

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

264122, 264127, 425 84, 425 85, 427115, 429 42, H01M 488, H01M 404, H01M 496

Patent

active

042331811

ABSTRACT:
A process for making dry carbon/polytetrafluoroethylene floc material, particularly useful in the manufacture of fuel cell electrodes, comprises of the steps of floccing a co-suspension of carbon particles and polytetrafluoroethylene particles, filtering excess liquids from the co-suspension, molding pellet shapes from the remaining wet floc solids without using significant pressure during the molding, drying the wet floc pellet shapes within the mold at temperatures no greater than about 150.degree. F., and removing the dry pellets from the mold.

REFERENCES:
patent: 4031033 (1977-06-01), Budevski et al.
patent: 4043933 (1977-08-01), Breault et al.
patent: 4129633 (1978-12-01), Biddick

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