Title:
NONAQUEOUS ELECTROLYTE AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2004/021500
Kind Code:
A1
Abstract:
A nonaqueous electrolyte which comprises an ionic liquid represented by the following general formula (1) and having a melting point of 50°C or lower, a compound which is reductively decomposed at a nobler potential than the ionic liquid, and a lithium salt. (1) In the formula, R1 to R4 are the same or different and each represents C1-5 alkyl or alkoxyalkyl represented by R'-O-(CH2)n- (wherein R' represents methyl or ethyl and n is an integer of 1 to 4), provided that two of R1, R2, R3, and R4 in combination may form a ring and that at least one of R1 to R4 is the alkoxyalkyl; X represents nitrogen or phosphorus; and Y represents a monovalent anion.
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Inventors:
MARUO TATSUYA (JP)
MARUKANE SYOKO (JP)
MASUDA GEN (JP)
SATO TAKAYA (JP)
MARUKANE SYOKO (JP)
MASUDA GEN (JP)
SATO TAKAYA (JP)
Application Number:
PCT/JP2003/010629
Publication Date:
March 11, 2004
Filing Date:
August 22, 2003
Export Citation:
Assignee:
NISSHIN SPINNING (JP)
MARUO TATSUYA (JP)
MARUKANE SYOKO (JP)
MASUDA GEN (JP)
SATO TAKAYA (JP)
MARUO TATSUYA (JP)
MARUKANE SYOKO (JP)
MASUDA GEN (JP)
SATO TAKAYA (JP)
International Classes:
C07C217/08; C07C311/48; C07D233/56; C07D295/088; H01M2/16; H01M10/05; H01M10/052; H01M10/0567; H01M10/0568; H01M10/0569; H01M6/16; (IPC1-7): H01M10/40; H01M2/16; C07C217/08; C07C311/48; C07D233/56
Domestic Patent References:
| WO2002076924A1 | 2002-10-03 |
Foreign References:
| JPH1092467A | 1998-04-10 | |||
| JPH04349365A | 1992-12-03 | |||
| JPH11260400A | 1999-09-24 | |||
| JPH11307121A | 1999-11-05 | |||
| JPH0992257A | 1997-04-04 | |||
| JPH1167273A | 1999-03-09 | |||
| JPH11260400A | 1999-09-24 |
Other References:
See also references of EP 1548866A4
Attorney, Agent or Firm:
Kojima, Takashi (16-12 Ginza 2-Chom, Chuo-Ku Tokyo, JP)
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