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:
Sep. 06, 2011
Filed:
Nov. 16, 2007
Satoshi Yamamoto, Moriguchi, JP;
Nobumichi Nishida, Moriguchi, JP;
Satoshi Yamamoto, Moriguchi, JP;
Nobumichi Nishida, Moriguchi, JP;
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Abstract
The present invention aims to provide a non-aqueous electrolyte secondary cell having high capacity and capable of preventing elution of cobalt and decomposition of the electrolyte. This aim can be accomplished by providing a non-aqueous electrolyte secondary cell comprising a positive electrode having a positive electrode active material, an negative electrode having an negative electrode active material, and non-aqueous electrolyte, wherein the positive electrode active material comprises lithium cobalt oxide to which at least one material selected from the group consisting of Mg, Al, Ti, and Zr was added, and the positive electrode comprises lithium phosphate.