- Patent Title: Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, and nonaqueous electrolyte secondary battery using same
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Application No.: US16148335Application Date: 2018-10-01
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Publication No.: US11018339B2Publication Date: 2021-05-25
- Inventor: Akihisa Kajiyama , Kazumichi Koga , Tsuyoshi Wakiyama , Ryuta Masaki , Takayuki Yamamura , Kazutoshi Matsumoto
- Applicant: BASF TODA BATTERY MATERIALS LLC
- Applicant Address: JP Tokyo
- Assignee: BASF TODA BATTERY MATERIALS LLC
- Current Assignee: BASF TODA BATTERY MATERIALS LLC
- Current Assignee Address: JP Tokyo
- Agency: DLA Piper LLP (US)
- Priority: JP2016-067667 20160330,JP2017-008699 20170120
- Main IPC: H01M4/525
- IPC: H01M4/525 ; C01G53/00 ; H01M4/131 ; H01M4/1391 ; H01M4/505 ; H01M10/0525 ; H01M4/02
Abstract:
A positive electrode active material comprises a Li-transition metal-layered oxide represented by the formula: Lia(NibCocAldMee)O2 (in which Me=Mn, Mg, Ti, Ru, Zr, Nb, Mo, W; 1.00≤a≤1.15; 0.25
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