Cylindrical electric cell

Details Cylindrical electric cell Cylindrical electric cell

1979-12-31

1980-12-02

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429168, H01M 610

Patent

active

042371996

ABSTRACT:
The invention relates to a cylindrical electric cell in which the negative electrode (8) is a sheet of lithium wound round a current collector (1) which is elastically deformable and is in the form of a cylinder whose directrix is a substantially circular curve with two distinct ends. In accordance with the invention, the two portions of cylinder close to said ends are cut into matching shapes so that they fit into each other, the protruding parts (2) of one portion being accomodated in the recessed parts (3) of the other portion. Application to electric cells whose positive active material is liquid.

REFERENCES:
patent: 3796606 (1974-03-01), Lehmann et al.
patent: 4032695 (1977-06-01), Coibion
patent: 4032696 (1977-06-01), Urry
patent: 4048389 (1977-09-01), Bubnick et al.
patent: 4154905 (1979-05-01), Urry
patent: 4154906 (1979-05-01), Bubnick et al.

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