Screen printing method for making an electrochemical cell electr

Details Screen printing method for making an electrochemical cell electr Screen printing method for making an electrochemical cell electr

1978-06-28

1980-01-22

Esposito, Michael F.

Coating processes

Electrical product produced

Carbon base

427113, 427115, 427122, 427125, 427126, 427282, 427369, 429 42, H01M 486, H01M 496

Patent

active

041851315

ABSTRACT:
Fuel cell electrodes of uniform quality are made on a continuous basis using screen printing. A wet floc is first made by floccing a co-suspension of carbon and hydrophobic polymer. The floc is dried, reduced to a fine powder, and re-suspended in an inking vehicle. The ink is then screen printed onto a porous substrate and the inking vehicle is removed such as by heating. The layer is compacted, sintered, and then catalyzed such as with platinum.

REFERENCES:
patent: 2961712 (1960-11-01), Davis
patent: 3080258 (1963-03-01), Davis
patent: 3385736 (1968-05-01), Delbert
patent: 3457113 (1969-07-01), Delbert
patent: 3857737 (1974-12-01), Kemp
patent: 3932197 (1976-01-01), Katz
patent: 3972735 (1976-08-01), Breault
patent: 3979227 (1976-09-01), Katz
patent: 4000006 (1976-12-01), Trocciola
patent: 4001042 (1977-01-01), Trocciola
patent: 4043933 (1977-08-01), Breault

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