Invention Grant
- Patent Title: Negative electrode active material for secondary batteries, and secondary battery
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Application No.: US17269057Application Date: 2019-08-23
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Publication No.: US12155061B2Publication Date: 2024-11-26
- Inventor: Yohei Uchiyama , Taisuke Asano , Yosuke Sato
- 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: WHDA, LLP
- Priority: JP2018-161779 20180830
- International Application: PCT/JP2019/032938 WO 20190823
- International Announcement: WO2020/045256 WO 20200305
- Main IPC: H01M10/0525
- IPC: H01M10/0525 ; H01M4/36 ; H01M4/38 ; H01M4/485 ; H01M10/054 ; H01M4/02
Abstract:
A negative electrode active material for a secondary battery includes silicate composite particles each of which contain a silicate phase and silicon particles dispersed in the silicate phase, the silicate phase is an oxide phase containing Si, O, and alkali metals, and the alkali metals include at least K and Li.
Public/Granted literature
- US20210242453A1 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY Public/Granted day:2021-08-05
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