Title:
非水電解質蓄電素子
Document Type and Number:
Japanese Patent JP6848330
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte power storage device including a silicon-containing negative electrode, and having high capacity retention.SOLUTION: A nonaqueous electrolyte power storage device according to an embodiment of the present invention comprises: a silicon-containing negative electrode; and a nonaqueous electrolyte. The nonaqueous electrolyte contains a lithium salt including a lithium imide salt including at least one of lithium bis (fluorosulfonyl imide) and lithium bis (trifluoromethane sulfonyl imide), a glyme represented by the following formula (1), and a fluorinated ether: R-(OCHCH)-OR(1). In the formula (1), Rand Rindependently represent an alkyl group with C1-3, and x is 3 or 4.SELECTED DRAWING: Figure 1
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Inventors:
Heisuke Nishikawa
Application Number:
JP2016206817A
Publication Date:
March 24, 2021
Filing Date:
October 21, 2016
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M10/0568; H01G11/06; H01G11/30; H01G11/60; H01G11/62; H01M4/38; H01M10/052; H01M10/0569
Domestic Patent References:
| JP2014137996A | ||||
| JP2016076348A | ||||
| JP2016523429A | ||||
| JP2014199809A | ||||
| JP2007035431A | ||||
| JP2002260728A | ||||
| JP6349412B2 |
Foreign References:
| WO2016088837A1 | ||||
| US20180062201 |
Attorney, Agent or Firm:
Hajime Amano
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kenichi Fujinaka
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kenichi Fujinaka