Aluminum current collector for an electrochemical cell having a

Details Aluminum current collector for an electrochemical cell having a Aluminum current collector for an electrochemical cell having a

1995-06-02

1996-09-24

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429235, 429241, 429242, 429245, 429 94, 429129, 429122, 429164, 429165, 429166, 429212, 429213, H01M 464

Patent

active

055589626

ABSTRACT:
The electrochemical cell includes an electrode structure having an aluminum current collector in combination with an active cathode material containing polycarbon monofluoride. The electrode structure also includes a polymeric separator and a lithium anode. The electrode structure is spiral wound and mounted within a cylindrical housing formed of conventional stainless steel. Care is taken to ensure that the aluminum foil isolates the polycarbon monoflouride of the cathode material from the stainless steel of the housing. The cylindrical housing is flooded with a non-aqueous electrolyte solution. The resulting cell is employed within an implantable medical device. In an alternative embodiment, electrode structures employing the aluminum current collector and the polycarbon monoflouride active cathode material are formed as rectangular plates and are mounted in parallel within a rectangular housing. In another alternative embodiment, the aluminum current collector is employed within a button cell.

REFERENCES:
patent: 4502903 (1985-03-01), Bruder
patent: 4565751 (1986-01-01), Faust et al.
patent: 5114811 (1992-05-01), Ebel et al.

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