Invention Grant
- Patent Title: Positive-electrode active material powder, positive electrode containing positive-electrode active material powder, and secondary battery
-
Application No.: US15103641Application Date: 2014-12-12
-
Publication No.: US10741838B2Publication Date: 2020-08-11
- Inventor: Motofumi Matsuda
- Applicant: SANTOKU CORPORATION
- Applicant Address: JP Kobe-shi, Hyogo
- Assignee: SANTOKU CORPORATION
- Current Assignee: SANTOKU CORPORATION
- Current Assignee Address: JP Kobe-shi, Hyogo
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@cd9aa97
- International Application: PCT/JP2014/082996 WO 20141212
- International Announcement: WO2015/088007 WO 20150618
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M10/0525 ; H01M4/36 ; H01M4/505 ; H01M4/38 ; H01M4/02 ; H01M10/052

Abstract:
Provided is cathode active material powder or a cathode that is capable of improving the cycle characteristics of nonaqueous electrolyte rechargeable batteries at high voltage and exhibiting excellent capacity retention. The powder has a composition of: Lix−wNawCo1−yMyO2+z (0.950≤x≤1.100, 0
Public/Granted literature
Information query