Coin-shaped lithium battery

Details Coin-shaped lithium battery Coin-shaped lithium battery

1996-01-23

1997-05-13

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode or plural tablets, pellets or discs

429 66, 429162, 429224, H01M 404, H01M 1038

Patent

active

056291078

ABSTRACT:
A coin-shaped lithium battery is disclosed. The coin-shaped lithium battery comprises a battery can containing therein an anode pellet composed of lithium or lithium alloy and a cathode pellet which are arranged to face each other with a separator provided between the pellets. At least one of the anode pellet and the cathode pellet has its central part swollen to form a curved surface. The battery can is elastically deformed to be aligned with the curved surface. In the coin-shaped lithium battery, total height of the anode pellet and the cathode pellet in outer rim part is smaller than total height in central part by 4 to 12%.

REFERENCES:
patent: Re31413 (1983-10-01), Jaggard
patent: 2812377 (1957-11-01), Franquemont
patent: 3981748 (1976-09-01), Margalit
patent: 4020242 (1977-04-01), Okazaki et al.
patent: 4121020 (1978-10-01), Epstein et al.
patent: 5346783 (1994-09-01), Tomantschger et al.
patent: 5432027 (1995-07-01), Tuttle et al.
patent: 5486431 (1996-01-01), Tuttle et al.
Websters II New Riverside Dictionary, Riverside Publishing Co. 1988, p. 339 .

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