The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2005
Filed:
Aug. 25, 2003
Xianglan Wu, Daejeon, KR;
Yong Joon Park, Daejeon, KR;
Kwang Sun Ryu, Daejeon, KR;
Soon Ho Chang, Daejeon, KR;
Young-sik Hong, Daejeon, KR;
Xianglan Wu, Daejeon, KR;
Yong Joon Park, Daejeon, KR;
Kwang Sun Ryu, Daejeon, KR;
Soon Ho Chang, Daejeon, KR;
Young-Sik Hong, Daejeon, KR;
Abstract
A method of preparing layered lithium-chromium-manganese oxides having the formula Li[CrLiMn]Owhere 0.1≦X≦0.5 for lithium batteries. Homogeneous precipitation is prepared by adding lithium hydroxide (LiOH) solution to a mixed solution of chromium acetate (Cr(OH)(CHCO)) and manganese acetate ((CHCO)Mn.4HO), while precursor powders are prepared by firing the precipitation. After that, the precursor powders are subjected to two heat treatment to yield Li[CrLiMn]Owith α-LiFeOstructure.
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