Invention Grant
- Patent Title: Positive electrode material, non-aqueous electrolyte secondary battery, and method of producing positive electrode material
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Application No.: US17154455Application Date: 2021-01-21
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Publication No.: US11967701B2Publication Date: 2024-04-23
- Inventor: Ryo Hanazaki , Takashi Ko , Natsumi Goto , Sho Tsuruta , Kohei Kintsu
- Applicant: Toyota Jidosha Kabushiki Kaisha , Panasonic Corporation
- Applicant Address: JP Toyota
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA,PANASONIC CORPORATION
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA,PANASONIC CORPORATION
- Current Assignee Address: JP Toyota; JP Kadoma
- Agency: Dinsmore & Shohl LLP
- Priority: JP 20009752 2020.01.24 JP 21006947 2021.01.20
- Main IPC: H01M4/133
- IPC: H01M4/133 ; C01B32/162 ; H01M4/04 ; H01M4/131 ; H01M4/134 ; H01M4/1391 ; H01M4/1393 ; H01M4/1395 ; H01M4/36 ; H01M4/02
Abstract:
A positive electrode material consists of composite particles. Each of the composite particles includes a base material particle, a film, and a carbon nanotube. The film covers at least a part of a surface of the base material particle. The base material particle includes a positive electrode active material. The film includes a boron oxide. The carbon nanotube includes a first portion and a second portion. The first portion is buried in the film. The second portion is exposed on a surface of the film.
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