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. 18, 2010
Filed:
Mar. 02, 2006
Applicants:
Michiko Komiyama, Tokyo, JP;
Ken Segawa, Fukushima, JP;
Yuzuru Fukushima, Miyagi, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/50 (2006.01); H01M 4/52 (2006.01); H01M 4/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode material capable of improving capacity and superior low temperature characteristics, and a battery using the cathode material are provided. A cathode and an anode are layered with an electrolyte layer and a separator in between. The cathode contains a complex oxide containing lithium, manganese, nickel, and cobalt; a complex oxide containing lithium and at least one of nickel and cobalt; and a complex oxide containing lithium and manganese and having a spinel structure or a phosphorus oxide containing lithium and iron at a given ratio.