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:
Dec. 04, 2012
Filed:
Dec. 26, 2008
Kazumichi Koga, Yamaguchi-ken, JP;
Masayuki Uegami, Yamaguchi-ken, JP;
Kazutoshi Ishizaki, Yamaguchi-ken, JP;
Hideaki Sadamura, Yamaguchi-ken, JP;
Kazumichi Koga, Yamaguchi-ken, JP;
Masayuki Uegami, Yamaguchi-ken, JP;
Kazutoshi Ishizaki, Yamaguchi-ken, JP;
Hideaki Sadamura, Yamaguchi-ken, JP;
Toda Kogyo Corporation, Otake-shi, Hiroshima-ken, JP;
Abstract
The present invention relates to lithium manganate particles having a primary particle diameter of 1 to 8 μm and forming substantially single-phase particles, which have a composition represented by the following chemical formula:LiMnY1O+Y2in which Y1 is at least one element selected from the group consisting of Ni, Co, Mg, Fe, Al, Cr and Ti; Y2 is P and is present in an amount of 0.01 to 0.6 mol % based on Mn; and x and y satisfy 0.03≦x≦0.15 and 0.05≦y≦0.20, respectively, and