Title:
LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2014/080870
Kind Code:
A1
Abstract:
The present embodiment pertains to a lithium ion secondary battery comprising: a positive electrode including a positive electrode active substance having an operating potential of at least 4.5 V relative to lithium metal; and a non-aqueous electrolyte including (a) an N(SO2F)2 anion, (b) an annular carbonate, and (c) at least one type selected from a group comprising a fluorinated ether, a fluorinated organophosphate, and a sulfonic compound that are indicated by a prescribed formula.
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Inventors:
SASAKI HIDEAKI (JP)
NOGUCHI TAKEHIRO (JP)
NOGUCHI TAKEHIRO (JP)
Application Number:
PCT/JP2013/081085
Publication Date:
May 30, 2014
Filing Date:
November 18, 2013
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H01M10/0567; H01M4/505; H01M4/525; H01M10/052; H01M10/0568; H01M10/0569; H01M10/058
Domestic Patent References:
| WO2008133112A1 | 2008-11-06 | |||
| WO2012133902A1 | 2012-10-04 | |||
| WO2010090028A1 | 2010-08-12 | |||
| WO2011162169A1 | 2011-12-29 | |||
| WO2013183655A1 | 2013-12-12 |
Foreign References:
| JP2000077098A | 2000-03-14 | |||
| JP2007287677A | 2007-11-01 | |||
| JPH07249432A | 1995-09-26 | |||
| JP2010238510A | 2010-10-21 | |||
| JP2013093321A | 2013-05-16 |
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (JP)
Katsuhiro Ito (JP)
Katsuhiro Ito (JP)
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