Method of preparing a cathode current collector for use in an el

Details Method of preparing a cathode current collector for use in an el Method of preparing a cathode current collector for use in an el

1978-12-20

1980-08-26

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

427115, 429196, H01M 408, H01M 614

Patent

active

042194431

ABSTRACT:
Disclosed is a primary electrochemical cell having an improved cathode current collector and a method for making the current collector. The cell comprises an oxidizable active anode material; and electrolytic solution comprising a reducible soluble cathode and an electrolyte solute dissolved therein; and a cathode current collector comprising a layer of finely-divided catalyst for reducing the solvent, bonded to an inert, electrically-conductive substrate. Preferably, a bonding layer, comprising a finely-divided polymer and a minor amount of conductive material, bonds the catalyst layer to the substrate. The bonding and catalyst layers preferably can be formed by sequentially applying respective dispersions thereof to the substrate, drying, and heating to bond the materials. Soluble cathode cells employing cathode current collectors of the type described have exceptionally rapid discharge properties.

REFERENCES:
patent: 3432355 (1969-03-01), Niedrach et al.
patent: 3438817 (1969-04-01), Short et al.
patent: 3922174 (1975-11-01), Heller
patent: 3926669 (1975-12-01), Auborn
patent: 4012564 (1977-03-01), Auborn
patent: 4020240 (1977-04-01), Schlaikjer
patent: 4043933 (1977-08-01), Breault et al.

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