Invention Grant
- Patent Title: Electrolyte solution for lithium ion secondary battery and lithium ion secondary battery using same
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Application No.: US16613871Application Date: 2018-05-09
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Publication No.: US11489202B2Publication Date: 2022-11-01
- Inventor: Takuya Hasegawa
- Applicant: NEC Corporation
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JPJP2017-098996 20170518
- International Application: PCT/JP2018/017863 WO 20180509
- International Announcement: WO2018/212027 WO 20181122
- Main IPC: H01M10/0568
- IPC: H01M10/0568 ; H01M4/134 ; H01M4/505 ; H01M4/525 ; H01M10/0525 ; H01M10/0567 ; H01M10/0569 ; H01M10/058 ; H01M4/02
Abstract:
An electrolyte solution capable of constituting a secondary battery in which a volume change due to charge and discharge is small and cycle characteristics are excellent is provided. The present example embodiment relates to an electrolyte solution for a lithium ion secondary battery comprising a fluorinated ether and a cyclic dicarboxylic acid ester.
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