Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1988-03-14
1989-02-07
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429213, H01M 460, H01M 614
Patent
active
048031380
ABSTRACT:
A nonaqueous secondary battery is disclosed. The positive electrode is composed of a polymer obtained by oxidative polymerization of an aniline compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are C1-5 alkyl or C1-5 alkoxy, and X and Y are 0, 1 or 2,
or a reduction product of the polymer the negative electrode is composed of (i) an alkali metal, (ii) an alkali metal alloy, (iii) an electroconductive polymer or (iv) composite of an electroconductive polymer with an alkali metal or an alkali metal alloy. The electrolytic solution is composed of a supporting electrolyte selected from LiAsF.sub.6, LiBF.sub.4 and LiPF.sub.6 and a solvent, wherein when the supporting electrolyte is LiAsF.sub.6 or LiPF.sub.6, the solvent is a mixed solvent comprising at least one member selected from propylene carbonate and ethylene carbonate and at least one member selected from tetrahydrofuran and 1,2-dimethoxyethane, and when the supporting electrolyte is LiBF.sub.4, the solvent is a mixed solvent comprising propylene carbonate, ethylene carbonate and at least one member selected from tetrahydrofuran and 1,2-dimethoxyethane.
REFERENCES:
patent: 4321114 (1982-03-01), MacDiarmid et al.
patent: 4537843 (1985-08-01), Shishikura et al.
patent: 4547439 (1985-10-01), Genies
patent: 4629540 (1986-12-01), Geniees et al.
patent: 4717634 (1988-01-01), Daifuku et al.
patent: 4740436 (1988-04-01), Kobayashi et al.
Kameyama Mutsumi
Kikuta Yoshikazu
Kobayashi Yukio
Ohira Manabu
Takahashi Toyohiko
Showa Denko K.K. & Hitachi, Ltd.
Skapars Anthony
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