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:
May. 08, 2012
Filed:
Nov. 05, 2008
Hidekazu Hiratsuka, Osaka, JP;
Norihiro Yamamoto, Osaka, JP;
Yutaka Kawatate, Osaka, JP;
Hiroaki Furuta, Osaka, JP;
Kensuke Nakura, Osaka, JP;
Hiroshi Yoshizawa, Osaka, JP;
Hidekazu Hiratsuka, Osaka, JP;
Norihiro Yamamoto, Osaka, JP;
Yutaka Kawatate, Osaka, JP;
Hiroaki Furuta, Osaka, JP;
Kensuke Nakura, Osaka, JP;
Hiroshi Yoshizawa, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium-containing transition metal oxide having a closest-packed cubic structure of oxygen, the lithium-containing transition metal oxide having a composition represented by the formula (1):Li[Li(NiMnCo)]O,where x, y, and z represent element contents of nickel, manganese, and cobalt, respectively, and satisfies 0.2+y≦x≦0.7, 0.15≦y, 0.05≦z, x+y+z=1, and 0≦p≦0.1.