Invention Application
- Patent Title: SECONDARY BATTERY
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Application No.: US15554556Application Date: 2016-03-04
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Publication No.: US20180076486A1Publication Date: 2018-03-15
- Inventor: Takehiro NOGUCHI , Kenichi SHIMURA , Shin SERIZAWA , Yuukou KATOU , Takuya HASEGAWA
- Applicant: NEC CORPORATION
- Priority: JP2015-043668 20150305
- International Application: PCT/JP2016/056751 WO 20160304
- Main IPC: H01M10/0569
- IPC: H01M10/0569 ; H01M10/052 ; H01M10/058 ; H01M4/505 ; H01M4/525 ; H01M10/0567 ; H01M4/131

Abstract:
A lithium ion secondary battery excellent in cycle characteristics and rate characteristics is provided. The present invention relates to a lithium secondary battery having an electrolyte solution comprising one or more compounds selected from a fluorinated ether and a fluorinated phosphate ester and a separator comprising an aramid resin.
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