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Title:
ELECTROLYTE SOLUTION FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2013/150850
Kind Code:
A1
Abstract:
This electrolyte solution for lithium ion secondary batteries contains a lithium salt electrolyte, an organic solvent, and an aliphatic compound that has three or more carboxylic acid groups in each molecule. This lithium ion secondary battery is provided with: a positive electrode that is configured of a positive electrode active material which uses manganese (Mn) capable of absorbing and desorbing lithium as a main transition metal species; a negative electrode; and a nonaqueous electrolyte solution. The above-described electrolyte solution is used as the electrolyte solution of this lithium ion secondary battery. The molecular weight of the aliphatic compound is 50,000-500,000.

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Inventors:
OGIHARA WATARU (JP)
Application Number:
PCT/JP2013/056003
Publication Date:
October 10, 2013
Filing Date:
March 05, 2013
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
International Classes:
H01M10/0567; H01G11/54; H01M4/505; H01M4/525; H01M10/052
Domestic Patent References:
WO2011024251A12011-03-03
Foreign References:
JP2013016303A2013-01-24
JP2012089402A2012-05-10
JP2011526057A2011-09-29
JP2009517836A2009-04-30
JP2009517836A2009-04-30
Other References:
See also references of EP 2835856A4
Attorney, Agent or Firm:
MATOBA, Motonori (JP)
Motonori Matoba (JP)
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