Invention Grant
- Patent Title: Positive electrode active material and lithium-ion secondary battery
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Application No.: US14109533Application Date: 2013-12-17
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Publication No.: US09825295B2Publication Date: 2017-11-21
- Inventor: Hideaki Seki , Atsushi Sano , Masaki Sobu , Tomoshi Nakamoto
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2012-274682 20121217; JP2013-227801 20131101
- Main IPC: H01M4/58
- IPC: H01M4/58 ; C01B25/45 ; H01M10/052
Abstract:
A positive electrode active material contains a compound represented by a chemical formula LiVOPO4. A crystal system of the compound is an orthorhombic system, and the amount of tetravalent V of the compound is 27.7 mass % or more and 28.2 mass % or less.
Public/Granted literature
- US20140170496A1 POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM-ION SECONDARY BATTERY Public/Granted day:2014-06-19
Information query
