Invention Grant
- Patent Title: Lithium secondary battery
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Application No.: US14646085Application Date: 2013-11-20
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Publication No.: US09601809B2Publication Date: 2017-03-21
- Inventor: Makiko Takahashi , Takehiro Noguchi
- Applicant: NEC Corporation
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JP2012-255731 20121121
- International Application: PCT/JP2013/081286 WO 20131120
- International Announcement: WO2014/080945 WO 20140530
- Main IPC: H01M10/052
- IPC: H01M10/052 ; H01M10/0569 ; H01M4/62 ; H01M10/0567 ; H01M2/02 ; H01M4/58 ; H01M10/0525 ; H01M4/505 ; H01M4/525

Abstract:
A lithium ion secondary battery which is a non-aqueous electrolyte secondary battery comprising a positive electrode comprising a positive electrode active material capable of absorbing and releasing lithium, and an electrolyte solution comprising a non-aqueous electrolyte solvent, wherein the positive electrode comprises a sulfate group, and the non-aqueous electrolyte solvent comprises a sulfone compound represented by a specified formula.
Public/Granted literature
- US20150295277A1 LITHIUM SECONDARY BATTERY Public/Granted day:2015-10-15
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