Battery with spiral electrode assembly

Details Battery with spiral electrode assembly Battery with spiral electrode assembly

1998-03-23

1999-12-28

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429144, 429211, H01M 610

Patent

active

06007938&

ABSTRACT:
A battery includes a spiral electrode assembly obtained by winding a positive electrode and a negative electrode with a separator between them, at least one of the electrodes having a connection that projects from the assembly and the separator having a part that projects from the assembly and which is interleaved between the edge of the electrodes and the connection. The separator has first and second layers formed by two halves of a common strip, the projecting part being localized in a central part of the strip.

REFERENCES:
patent: 5776629 (1998-07-01), Degen et al.
patent: 5843594 (1997-06-01), Cheong et al.
patent: 5932370 (1997-06-01), Cheong et al.
Patent Abstracts of Japan, vol. 012, No. 476 (E-693), Dec. 13, 1988 corresponding to JP 63 195965 A (Matsushita Electric Ind Co Ltd) Aug. 15, 1988.
Patent Abstracts of Japan, vol. 013, No. 366 (E-806) Aug. 15, 1989 corresponding to JP 01 122574 A (Matsushita Electric Ind Co Ltd) May 15, 1989.

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