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Patent Searching and Data


Title:
ELECTROLYTE SOLUTION, AND ELECTROCHEMICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/087963
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an electrolyte solution, the resistance of which cannot easily increase even after long-term use, and which has a low initial resistance and exhibits high capacity retention properties. The present invention is: an electrolyte solution (i) (excluding an electrolyte solution containing a non-fluorinated sulfolane compound) which contains a mononitrile compound and a spirobipyrrolidinium salt, and in which the content of the spirobipyrrolidinium salt is 0.70 mol/liter or more and less than 1.00 mol/liter; and an electrolyte solution (ii) which contains a mononitrile compound, a non-fluorinated sulfolane compound and a spirobipyrrolidinium salt, and in which the content of spirobipyrrolidinium is 0.70 mol/liter or more and 1.30 mol/liter or less.

Inventors:
TAKAHASHI Kenzou
Application Number:
JP2014/082813
Publication Date:
June 18, 2015
Filing Date:
December 11, 2014
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-Chome, Kita-Ku, Osaka-Sh, Osaka 23, 〒5308323, JP)
International Classes:
H01G11/62; H01G11/60; H01M8/02; H01M10/0567; H01M10/0568; H01M14/00
Domestic Patent References:
WO2012147818A12012-11-01
Foreign References:
JP2012216833A2012-11-08
JP2012216490A2012-11-08
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (5-36, Miyahara 3-chome Yodogawa-ku, Osaka-sh, Osaka 03, 〒5320003, JP)
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