Title:
SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, POWER STORAGE SYSTEM, ELECTRIC TOOL AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/168983
Kind Code:
A1
Abstract:
In order to provide a secondary battery with excellent battery characteristics, this secondary battery is provided with at least: a secondary battery negative electrode including a negative electrode mixture; a secondary battery positive electrode; and an electrolytic solution containing an electrolyte and a solvent, wherein the electrolyte concentration in the negative electrode mixture is greater than the electrolyte concentration in the electrolytic solution present in the secondary battery excluding the negative electrode mixture.
Inventors:
NAKAMURA TOSHIKAZU (JP)
MATSUMOTO KEN (JP)
MATSUMOTO KEN (JP)
Application Number:
PCT/JP2017/001843
Publication Date:
October 05, 2017
Filing Date:
January 20, 2017
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H01M10/052; H01M2/10; H01M4/13; H01M4/133; H01M4/134; H01M4/62; H01M10/0568
Foreign References:
| JP2009158335A | 2009-07-16 | |||
| JP2013145712A | 2013-07-25 | |||
| JP2002298919A | 2002-10-11 |
Attorney, Agent or Firm:
WATANABE Kaoru (JP)
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