Electrolyte solution for lithium secondary battery and lithium s

Details Electrolyte solution for lithium secondary battery and lithium s Electrolyte solution for lithium secondary battery and lithium s

1998-08-21

2000-10-31

Weiner, Laura

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429322, 429323, 429330, 429331, 429332, 429338, 429342, 429223, 429224, 4292311, 4292313, 4292318, 42923195, 252 622, H01M 618

Patent

active

061399914

ABSTRACT:
An electrolyte solution for a lithium secondary battery comprising a non-aqueous solvent, and an electrolyte and a carbonic ester derivative both dissolved therein, said carbonic ester derivative having the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently represent an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or an aryl group having 6 to 12 carbon atoms, provided that R.sup.2 may be a hydrogen atom and provided that R.sup.1 and R.sup.2 may be connected through a methylene group to form a cycloalkyl group having 3 to 6 carbon atoms.

REFERENCES:
patent: 5474862 (1995-12-01), Okuno et al.
patent: 5753389 (1998-05-01), Gan et al.

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