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. 10, 2003
Filed:
Jan. 09, 2001
Korea Advanced Institute of Science &Technology, Kwangyeok-Si, KR;
Abstract
A method for manufacturing lithium-manganese oxide powders for use in a lithium secondary battery is provided. The method includes the steps of dissolving in nitric acid a composition selected from the group consisting of: manganese oxide, manganese carbonate, or manganese to form a manganese solution, and then dissolving in the manganese solution a composition selected from the group consisting of lithium carbonate, lithium hydroxide, or lithium acetate. Glycine is added to the mixed metal solution and the mixed metal solution is dried in a vacuum dryer to form a combustible resin. The combustible resin is then ignited at room temperature and the combusted products are calcinated.