Invention Grant
- Patent Title: Negative electrode material and non-aqueous electrolyte secondary battery
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Application No.: US16464817Application Date: 2017-11-17
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Publication No.: US11196040B2Publication Date: 2021-12-07
- Inventor: Yohei Uchiyama , Taisuke Yamamoto , Tatsuya Akira , Norihisa Yamamoto , Hiroshi Minami
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JPJP2016-233566 20161130
- International Application: PCT/JP2017/041409 WO 20171117
- International Announcement: WO2018/101072 WO 20180607
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/38 ; H01M4/58 ; H01M4/62 ; H01M4/02
Abstract:
Disclosed is a negative electrode material including: a lithium silicate phase that contains a lithium silicate; and silicon particles that are dispersed in the lithium silicate phase, wherein the silicon particles have a crystallite size of 10 nm or more, and the lithium silicate has a composition represented by the following formula: Li2Si2O5.(x−2)SiO2, where 2
Public/Granted literature
- US20190319261A1 NEGATIVE ELECTRODE MATERIAL AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Public/Granted day:2019-10-17
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