- Patent Title: Electrode material for nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery
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Application No.: US14478138Application Date: 2014-09-05
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Publication No.: US09859552B2Publication Date: 2018-01-02
- Inventor: Takayuki Fukasawa , Kenji Essaki , Tomokazu Morita , Takashi Kuboki , Mitsuhiro Oki , Yasuhiro Goto
- Applicant: KABUSHIKI KAISHA TOSHIBA
- Applicant Address: JP Minato-ku, Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Minato-ku, Tokyo
- Agency: Ohlandt, Greeley, Ruggiero & Perle, L.L.P.
- Priority: JP2013-195036 20130920
- Main IPC: H01M4/134
- IPC: H01M4/134 ; H01M4/62 ; H01M4/36 ; H01M4/38 ; H01M4/131 ; H01M4/136 ; H01M4/485 ; H01M4/58
Abstract:
An electrode material for nonaqueous electrolyte secondary battery of an embodiment includes a silicon nanoparticle, and a coating layer coating the silicon nanoparticle. The coating layer includes an amorphous silicon oxide and a silicon carbide phase. At least a part of the silicon carbide phase exists on a surface of the silicon nanoparticle.
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