Invention Grant
- Patent Title: Active material, method of manufacturing active material, and lithium-ion secondary battery
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Application No.: US15906555Application Date: 2018-02-27
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Publication No.: US10283773B2Publication Date: 2019-05-07
- Inventor: Hisashi Suzuki , Keitaro Otsuki , Masayoshi Hirano
- Applicant: TDK CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TDK CORPORATION
- Current Assignee: TDK CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2009-129368 20090528; JP2010-102135 20100427
- Main IPC: H01M4/58
- IPC: H01M4/58 ; H01M10/0525
Abstract:
The present invention provides an active material which can increase the discharge capacity of a lithium-ion secondary battery as compared with the case using conventional LiMnPO4 as a positive electrode active material. The active material in accordance with the present invention contains a crystallite of LiMnPO4, the crystallite having a size of 20 to 93 nm in a direction perpendicular to a (060) plane thereof.
Public/Granted literature
- US20180190988A1 ACTIVE MATERIAL, METHOD OF MANUFACTURING ACTIVE MATERIAL, AND LITHIUM-ION SECONDARY BATTERY Public/Granted day:2018-07-05
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