Invention Grant
- Patent Title: Active material, active material composite material, electrode, secondary battery, battery pack, and vehicle
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Application No.: US15899951Application Date: 2018-02-20
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Publication No.: US10608250B2Publication Date: 2020-03-31
- Inventor: Kazuki Ise , Yasuhiro Harada , Norio Takami
- Applicant: KABUSHIKI KAISHA TOSHIBA
- Applicant Address: JP Minato-ku
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Minato-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2017-179939 20170920
- Main IPC: H01M4/485
- IPC: H01M4/485 ; H01M10/0525 ; H01M10/44 ; C01G23/00 ; C01G33/00 ; H01M10/052
Abstract:
According to one embodiment, an active material is provided. The active material includes particles. The particles have a crystal structure belonging to a monoclinic niobium-titanium composite oxide. A ratio of a crystallite size Dc corresponding to a (020) plane with respect to an average primary particle size Dp of the particles is not less than 35%.
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