Dry floc method for making an electrochemical cell electrode

Details Dry floc method for making an electrochemical cell electrode Dry floc method for making an electrochemical cell electrode

1978-06-28

1981-09-01

Smith, Ronald H.

Coating processes

Electrical product produced

Carbon base

427115, 427369, 4273761, 4273766, 427180, 427185, 427296, 429 42, H01M 496, B05D 130

Patent

active

042872324

ABSTRACT:
A method for making an electrochemical cell electrode involves depositing a layer of dry carbon/hydrophobic polymer floc powder on the surface of a substrate by dispersing the powder as a cloud in a chamber over the substrate and pulling the powder onto the substrate by drawing a vacuum under the substrate. The electrode is subsequently compacted and sintered. Typically the carbon component of the floc is catalyzed, such as with platinum. Thus, the method is for applying a catalyst layer on an electrode substrate. The method is particularly adapted to the high speed manufacture of electrodes.

REFERENCES:
patent: 2961712 (1960-11-01), Davis
patent: 3080258 (1963-03-01), Davis
patent: 3342627 (1967-09-01), Paxto
patent: 3385736 (1968-05-01), Diebert
patent: 3457113 (1969-07-01), Deibert
patent: 3591421 (1971-07-01), Schultze
patent: 3829327 (1974-08-01), Omori
patent: 3857737 (1974-12-01), Kemp
patent: 3900602 (1975-08-01), Rummel
patent: 4129633 (1978-12-01), Biddick
patent: 4175055 (1979-11-01), Goller et al.

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