Cell having improved rechargeability

Details Cell having improved rechargeability Cell having improved rechargeability

1978-12-05

1981-05-19

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429224, H01M 604

Patent

active

042685893

ABSTRACT:
An alkaline/manganese dioxide cell which is repeatedly rechargeable from a deeply discharged state is produced chemically contacting the manganese dioxide with free negative ions of at least one weak acid that does not, in the conditions prevailing in the cell, form salts with manganese the crystals of which contain water of crystallization. Suitable weak acids are silicic, carbonic, boric, cyanic and acetic acids and hydrogen sulphide.

REFERENCES:
patent: 1303844 (1919-05-01), Antonoff
patent: 2513292 (1950-07-01), Denison et al.
patent: 2941909 (1960-06-01), Johnson et al.
patent: 3281278 (1966-10-01), Schaefer
patent: 3418166 (1968-12-01), Carter
patent: 3466195 (1969-09-01), Spellman
patent: 3530496 (1970-09-01), Amano et al.
patent: 3905833 (1975-09-01), Louzos
patent: 4060670 (1977-11-01), Tamminen
patent: 4076909 (1978-02-01), Lindstrom

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