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:
Mar. 20, 2012
Filed:
Nov. 16, 2007
Applicants:
Hidekazu Awano, Tokyo, JP;
Minoru Fukuchi, Tokyo, JP;
Yuuki Anbe, Tokyo, JP;
Inventors:
Assignee:
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 13/18 (2006.01); C01D 15/02 (2006.01); C01F 5/00 (2006.01); C01F 7/00 (2006.01); C01G 9/02 (2006.01); C01G 15/00 (2006.01); C01G 45/02 (2006.01); C01G 49/02 (2006.01); C01G 51/04 (2006.01); C01G 53/04 (2006.01); H01M 4/131 (2010.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing a cathode active material for a lithium rechargeable battery, including: selecting a first metal compound from a group consisting of a halide, a phosphate, a hydrogen phosphate and a sulfate of Mg or Al; selecting a second metal compound from a group consisting of an oxide, a hydroxide and a carbonate of Mg or Al; combining the first metal compound and the second metal compound to obtain a metal compound, the metal compound containing either Mg or Al atoms; mixing a lithium compound, a transition metal compound and the metal compound to obtain a mixture; and sintering the mixture.