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. 21, 2013
Filed:
May. 23, 2006
Haruo Watanabe, Kanagawa, JP;
Kenji Ogisu, Tokyo, JP;
Koji Morita, Fukushima, JP;
Masanori Soma, Fukushima, JP;
Yosuke Hosoya, Fukushima, JP;
Hideto Azuma, Fukushima, JP;
Tomoyo Ooyama, Fukushima, JP;
Haruo Watanabe, Kanagawa, JP;
Kenji Ogisu, Tokyo, JP;
Koji Morita, Fukushima, JP;
Masanori Soma, Fukushima, JP;
Yosuke Hosoya, Fukushima, JP;
Hideto Azuma, Fukushima, JP;
Tomoyo Ooyama, Fukushima, JP;
Sony Corporation, , JP;
Abstract
A cathode active material capable of increasing a capacity and improving high temperature characteristics or cycle characteristics, a method of manufacturing it, a cathode using the cathode active material, and a battery using the cathode active material are provided. In a cathode active material contained in a cathode, a coating layer is provided on at least part of a complex oxide particle containing at least lithium (Li) and cobalt (Co). The coating layer is an oxide which contains lithium (Li) and at least one of nickel (Ni) and manganese (Mn).