Invention Application
US20160164092A1 IMPROVED LITHIUM METAL OXIDE RICH CATHODE MATERIALS AND METHOD TO MAKE THEM
审中-公开
改进的锂金属氧化物丰富的阴极材料及其制备方法
- Patent Title: IMPROVED LITHIUM METAL OXIDE RICH CATHODE MATERIALS AND METHOD TO MAKE THEM
- Patent Title (中): 改进的锂金属氧化物丰富的阴极材料及其制备方法
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Application No.: US14906166Application Date: 2014-08-05
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Publication No.: US20160164092A1Publication Date: 2016-06-09
- Inventor: Alan L. Stottlemyer , Koichi Numata , Shijing Xia , Hideaki Maeda , Mark L. Dreibelbis , Michael Gardner
- Applicant: DOW GLOBAL TECHNOLOGIES LLC
- International Application: PCT/US14/49660 WO 20140805
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/505

Abstract:
A method of doping elements (particularly those that do not have stable divalent oxidation states) into lithium rich metal oxides useful in lithium ion batteries is comprised of the following steps. A dopant metal is dissolved in a liquid, which includes being present as a colloid, to form a solution. The solution is added to a particulate lithium rich metal oxide precursor while agitating said precursor to form a mixture. The solution is added in an amount that is at most that amount which would make the mixture a paste. The liquid is removed to form a doped lithium rich metal oxide precursor. A source of lithium is added. The doped lithium rich metal oxide precursor is heated to form the lithium rich metal oxide.
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