Coin shaped lithium battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode or plural tablets – pellets or discs

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Details

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

Patent

active

058043330

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: 4121021 (1978-10-01), Ogawa 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.
patent: 5629107 (1997-05-01), Shioda et al.
Webster's II new Riverside university dictionary, Riverside Publishing Company, 1988, p. 339 (No Month Available).

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