Invention Application
- Patent Title: LITHIUM ION SECONDARY BATTERY
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Application No.: US16333512Application Date: 2017-09-14
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Publication No.: US20190252716A1Publication Date: 2019-08-15
- Inventor: Suguru TAMAI , Noboru YOSHIDA
- Applicant: NEC Corporation
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2016-180715 20160915
- International Application: PCT/JP2017/033246 WO 20170914
- Main IPC: H01M10/0525
- IPC: H01M10/0525 ; H01M10/058 ; H01M10/0567 ; H01M4/131 ; H01M4/485 ; H01M4/60
Abstract:
The purpose of one embodiment of the present invention is to provide a lithium ion secondary battery which has improved cycle characteristics and the negative electrode of which comprises a silicon oxide. The present invention relates to a lithium ion secondary battery comprising a silicon oxide and an electrolyte solution comprising a fluorinated acid anhydride.
Public/Granted literature
- US11817546B2 Lithium ion secondary battery Public/Granted day:2023-11-14
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