Metal plated current collector

Details Metal plated current collector Metal plated current collector

1991-04-11

1994-01-11

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429245, H01M 470

Patent

active

052780066

ABSTRACT:
An alkaline electrochemical cell is disclosed which comprises a cathode subassembly, with a metal oxide cathode and collector means for collecting current from the cathode, a zinc anode, an electrolyte in contact with the zinc anode and a nonmetallic separator between the cathode and the anode. The collector means comprises a metal plated current collector additionally plated with a layer of palladium, rhodium or platinum. In one embodiment, the metal oxide cathode is a manganese dioxide cathode and the current collector comprises a nickel plated steel clip adapted for holding the metal oxide cathode which has been plated with an additional layer of palladium, rhodium or platinum on surfaces where the collector makes contact with the cathode.

REFERENCES:
patent: 2861116 (1958-11-01), Grubb
patent: 3785868 (1974-01-01), Devitt
patent: 3939010 (1976-02-01), Coleman et al.
patent: 3945847 (1976-03-01), Kordesch et al.
patent: 4125638 (1978-11-01), Watanabe et al.
patent: 4585715 (1986-04-01), Marple
patent: 4760002 (1988-07-01), Schneider et al.
patent: 4925754 (1990-05-01), Dunham

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