Invention Grant
- Patent Title: Negative-electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery
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Application No.: US15526532Application Date: 2016-01-18
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Publication No.: US10483528B2Publication Date: 2019-11-19
- Inventor: Norihisa Yamamoto , Taizou Sunano , Hiroshi Minami , Yoshio Kato , Yohei Uchiyama
- Applicant: Sanyo Electric Co., Ltd.
- Applicant Address: JP Daito-shi
- Assignee: SANYO Electronics Co., Ltd.
- Current Assignee: SANYO Electronics Co., Ltd.
- Current Assignee Address: JP Daito-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2015-014158 20150128; JP2015-245398 20151216
- International Application: PCT/JP2016/000221 WO 20160118
- International Announcement: WO2016/121325 WO 20160804
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/58 ; H01M4/62 ; H01M4/13 ; H01M4/38 ; H01M4/02
Abstract:
The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment contains a base particle (13), which includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0
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