Title:
NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2005/074067
Kind Code:
A1
Abstract:
[PROBLEMS] Disclosed is a lithium secondary battery wherein both overcharge safety and cycle characteristics are improved together. [MEANS FOR SOLVING PROBLEMS] As the nonaqueous electrolyte solution for such a lithium secondary battery, there is used a nonaqueous electrolyte solution obtained by dissolving an electrolyte in a nonaqueous solvent containing plural kinds of cyclic carbonate compounds which electrolyte solution further contains 1-10 mass% of a cyclohexylbenzene compound wherein a halogen atom is bonded to a benzene ring and 0.1-5 mass% of a fluorobenzene compound.
Inventors:
ABE KOJI (JP)
Application Number:
PCT/JP2005/001424
Publication Date:
August 11, 2005
Filing Date:
February 01, 2005
Export Citation:
Assignee:
UBE INDUSTRIES (JP)
ABE KOJI (JP)
ABE KOJI (JP)
International Classes:
H01M10/0525; H01M10/0567; H01M10/0568; H01M10/0569; H01M10/36; H01M10/42; H01M6/16; (IPC1-7): H01M10/40
Foreign References:
| JP2003317803A | 2003-11-07 | |||
| JP2004139963A | 2004-05-13 | |||
| JPH11329496A | 1999-11-30 | |||
| JPH10112335A | 1998-04-28 |
Attorney, Agent or Firm:
Yanagawa, Yasuo (2-14 Yotsuy, Shinjuku-ku Tokyo 04, JP)
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