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Title:
CONJUGATED ESTER COMPOUND, ELECTROLYTE, AND SECONDARY BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/115040
Kind Code:
A1
Abstract:
Disclosed is a secondary battery, which is provided with an electrolyte solution and a negative electrode that contains a negative electrode active material, and wherein the negative electrode active material contains silicon and the electrolyte solution contains a conjugated ester compound represented by general formula (1). This secondary battery has good high-temperature cycle characteristics and exhibits excellent cycle characteristics in a high temperature environment even in cases where a negative electrode active material containing silicon is used therein. (In the formula, each of R1 and R2 independently represents an unsubstituted alkyl group having 3-12 carbon atoms, a substituted alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a substituted or unsubstituted aromatic group or an alkyl- or aryl-oxyalkylene group.)

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Inventors:
SUGURO MASAHIRO (JP)
SHIMURA MIDORI (JP)
Application Number:
PCT/JP2013/051349
Publication Date:
August 08, 2013
Filing Date:
January 23, 2013
Export Citation:
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Assignee:
NEC CORP (JP)
SUGURO MASAHIRO (JP)
SHIMURA MIDORI (JP)
International Classes:
C07C69/65; C07C67/08; C07C69/606; C07C219/08; C07C255/14; C07C255/55; H01M10/0567
Domestic Patent References:
WO2005122318A12005-12-22
Foreign References:
JP2007066864A2007-03-15
JP2009004352A2009-01-08
JPH06325765A1994-11-25
JPS58174303A1983-10-13
JPS56123904A1981-09-29
JPS6310746A1988-01-18
Other References:
REVUE ROUMAINE DE CHIMIE, vol. 51, no. 4, 2006, pages 255 - 260
ORGANIC LETTERS, vol. 10, no. 13, 2008, pages 2825 - 2828
TETRAHEDRON, vol. 48, no. 16, 1992, pages 3437 - 3444
THE JOURNAL OF PHYSICAL CHEMISTRY, vol. 69, no. 3, 1965, pages 928 - 932
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (JP)
Katsuhiro Ito (JP)
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