Invention Grant
- Patent Title: Method for modification of lithium ion battery positive electrode material
- Patent Title (中): 锂离子电池正极材料改性方法
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Application No.: US14281479Application Date: 2014-05-19
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Publication No.: US09440861B2Publication Date: 2016-09-13
- Inventor: Min Yue , Shunyi Yang , Youyuan Huang , Jianguo Ren , Lin Cheng
- Applicant: SHENZHEN BTR NEW ENERGY MATERIALS INC.
- Applicant Address: CN Guangming New District, Shenzhen, Guangdong
- Assignee: Shenzhen BTR New Energy Materials Inc.
- Current Assignee: Shenzhen BTR New Energy Materials Inc.
- Current Assignee Address: CN Guangming New District, Shenzhen, Guangdong
- Agency: Polster, Lieder, Woodruff & Lucchesi
- Priority: CN201310188098 20130520
- Main IPC: H01M4/505
- IPC: H01M4/505 ; H01M4/525 ; C01G53/00
Abstract:
The present invention discloses a method for modification of a lithium ion battery positive electrode material. The method comprises the following steps: (1) mixing organic acid and alcohol to obtain an organic solution; (2) adding positive electrode material into the organic solution to obtain a suspension; (3) washing with alcohol solvent after centrifugal separation; (4) drying treatment; the positive electrode material is a nickel-based metal oxide positive electrode material LiNixM1-xO2, wherein 0.5≦x
Public/Granted literature
- US20140339464A1 METHOD FOR MODIFICATION OF LITHIUM ION BATTERY POSITIVE ELECTRODE MATERIAL Public/Granted day:2014-11-20
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