Invention Grant
- Patent Title: Positive electrode material for noaqueous secondary batteries, and nonaqueous secondary batteries using same
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Application No.: US15952185Application Date: 2018-04-12
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Publication No.: US10741876B2Publication Date: 2020-08-11
- Inventor: Keisuke Fujihara
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan-shi
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan-shi
- Agency: Hunton Andrews Kurth LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@36072625
- Main IPC: C01B33/06
- IPC: C01B33/06 ; C01G53/00 ; H01M4/36 ; H01M4/505 ; H01M4/525 ; H01M4/02 ; H01M10/0525 ; H01M4/58

Abstract:
A positive electrode material for nonaqueous secondary batteries includes lithium transition metal composite oxide particles containing at least one of cobalt and nickel; and titanium silicide particles. The lithium transition metal composite oxide particles have a layer structure. The lithium transition metal composite oxide particles and the titanium silicide particles are present as particles substantially independent from each other. The titanium silicide particles have an average particle diameter of 4.0 μm or less. The titanium silicide particles are contained at a content ratio of titanium of 1.2 mol % or less with respect to the lithium transition metal composite oxide particles.
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