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:
Aug. 26, 2008
Filed:
Feb. 25, 2005
Toyoki Fujihara, Kobe, JP;
Kazuhisa Takeda, Kobe, JP;
Hideki Kitao, Kobe, JP;
Takaaki Ikemachi, Kobe, JP;
Toshiyuki Nouma, Kobe, JP;
Naoya Nakanishi, Kobe, JP;
Toyoki Fujihara, Kobe, JP;
Kazuhisa Takeda, Kobe, JP;
Hideki Kitao, Kobe, JP;
Takaaki Ikemachi, Kobe, JP;
Toshiyuki Nouma, Kobe, JP;
Naoya Nakanishi, Kobe, JP;
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Abstract
A lithium secondary battery is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte prepared by dissolving a solute in a non-aqueous solvent wherein a positive electrode active material of said positive electrode is composed of lithium-manganese composite oxide having a spinel structure and lithium-transition metal composite oxide having a layer structure containing at least nickel and lithium salt having oxalato complex as anion is admixed to said non-aqueous electrolyte.