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:
Jan. 24, 2012
Filed:
Sep. 29, 2006
Takeshi Kawasato, Chigasaki, JP;
Megumi Uchida, Chigasaki, JP;
Toshiaki Abe, Chigasaki, JP;
Naoshi Saito, Chigasaki, JP;
Manabu Suhara, Chigasaki, JP;
Takeshi Kawasato, Chigasaki, JP;
Megumi Uchida, Chigasaki, JP;
Toshiaki Abe, Chigasaki, JP;
Naoshi Saito, Chigasaki, JP;
Manabu Suhara, Chigasaki, JP;
Seimi Chemical Co., Ltd., Chigasaki-shi, JP;
Abstract
A process for producing a lithium-containing composite oxide for a positive electrode active material for use in a lithium secondary battery, the oxide having the formula LiNMOF(wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.2, 0.9≦x<1.00, 0<m≦0.03, 1.9≦z≦2.2, x+m=1 and 0≦a≦0.02), which comprises using as an M element source a solution comprising a complex containing the M element dissolved in an organic solvent.