Invention Grant
- Patent Title: Precursors for lithium transition metal oxide cathode materials for rechargeable batteries
-
Application No.: US15763141Application Date: 2016-09-23
-
Publication No.: US10547056B2Publication Date: 2020-01-28
- Inventor: Liang Zhu , Randy De Palma , Hyo Sun Ahn , Sung Jun Cho , Daniël Nelis , Kris Driesen
- Applicant: Umicore , Umicore Korea Ltd.
- Applicant Address: BE Brussels KR Cheonan, Chungnam
- Assignee: UMICORE,UMICORE KOREA, LTD.
- Current Assignee: UMICORE,UMICORE KOREA, LTD.
- Current Assignee Address: BE Brussels KR Cheonan, Chungnam
- Agency: NK Patent Law
- Priority: EP15187642 20150930
- International Application: PCT/IB2016/055690 WO 20160923
- International Announcement: WO2017/055977 WO 20170406
- Main IPC: H01B1/08
- IPC: H01B1/08 ; H01M4/525 ; H01M4/505 ; H01M10/0525 ; C01G53/00 ; H01M4/02

Abstract:
A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder for use as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33≤x≤0.60, 0.20≤y≤0.33, and 0.20≤z≤0.33, v≤0.05, and x+y+z+v=1, the precursor comprising Ni, Mn and Co in a molar ratio x:y:z and having a specific surface area BET in m2/g and a sulfur content S expressed in wt %, wherein formula (I).
Public/Granted literature
- US20180269477A1 Precursors for Lithium Transition Metal Oxide Cathode Materials for Rechargeable Batteries Public/Granted day:2018-09-20
Information query