Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

1996-12-04

1998-02-24

Tung, T.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429216, 429215, 204290R, H01M 460, C25B 1100

Patent

active

057210691

ABSTRACT:
Disclosed is a nonaqueous electrolyte secondary battery including a negative electrode prepared by coating a substrate with a slurry comprising a carbon material, an alkali metal salt of carboxymethylcellulose, and a styrene-butadiene rubber and drying it, the alkali metal salt accounting for 0.5.about.2 weight % of the total weight of the carbon material, styrene-butadiene rubber, and CMC alkali metal salt. Because of the higher electrical conductivity of the CMC alkali metal salt used as the thickening agent than the conventional carboxymethylcellulose or its ammonium salt, the secondary battery of the invention including the above negative electrode has an excellent load characteristic.

REFERENCES:
patent: 3877983 (1975-04-01), Hovsepian
patent: 5340670 (1994-08-01), Takami et al.
patent: 5380606 (1995-01-01), Itou et al.
patent: 5527638 (1996-06-01), Kinoshita et al.
Patent Abstracts of Japan, vol. 17, No. 199, Apr. 19, 1993 JP04342966 (Yuji et al.).
Patent Abstracts of Japan, vol. 96, No. 11, Nov. 29, 1996 JP08190912 (Masanori et al.).
Caplus abstract of JP07335221 (Oohashi et al.), Dec. 22, 1995.

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