- Patent Title: Negative-electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
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Application No.: US15526011Application Date: 2016-02-15
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Publication No.: US10177403B2Publication Date: 2019-01-08
- Inventor: Hiroshi Minami , Taizou Sunano
- Applicant: Sanyo Electric Co., Ltd.
- Applicant Address: JP Daito-shi
- Assignee: SANYO Electric Co., Ltd.
- Current Assignee: SANYO Electric Co., Ltd.
- Current Assignee Address: JP Daito-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2015-033003 20150223
- International Application: PCT/JP2016/000758 WO 20160215
- International Announcement: WO2016/136180 WO 20160901
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/40 ; H01M4/48 ; H01M10/052 ; H01M4/38 ; C01B33/32 ; H01M4/485 ; H01M4/02
Abstract:
A non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material has improved cycle life. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0
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