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. 20, 2011
Filed:
Mar. 31, 2008
Applicants:
Atsushi Kaiduka, Moriguchi, JP;
Masato Iwanaga, Moriguchi, JP;
Yukihiro Oki, Moriguchi, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/48 (2010.01);
U.S. Cl.
CPC ...
Abstract
A non-aqueous electrolyte secondary cell superior in resistance against continuous charging at high potential is provided. The non-aqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material comprising lithium cobalt oxide containing at least one selected from Mg, Al, Ti, and Zr; and a separator having pores having an average diameter of 0.05 to 0.2 μm.