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. 20, 2014
Filed:
Mar. 31, 2008
Takehiko Nishida, Nagasaki, JP;
Katsuaki Kobayashi, Nagasaki, JP;
Tomoh Akiyama, Hiroshima, JP;
Katsuo Hashizaki, Nagasaki, JP;
Hidehiko Tajima, Nagasaki, JP;
Kazuyuki Adachi, Fukuoka, JP;
Shinji Murakami, Fukuoka, JP;
Yoshihiro Wada, Fukuoka, JP;
Hiroyuki Shibata, Fukuoka, JP;
Kouji Kurayama, Fukuoka, JP;
Takehiko Nishida, Nagasaki, JP;
Katsuaki Kobayashi, Nagasaki, JP;
Tomoh Akiyama, Hiroshima, JP;
Katsuo Hashizaki, Nagasaki, JP;
Hidehiko Tajima, Nagasaki, JP;
Kazuyuki Adachi, Fukuoka, JP;
Shinji Murakami, Fukuoka, JP;
Yoshihiro Wada, Fukuoka, JP;
Hiroyuki Shibata, Fukuoka, JP;
Kouji Kurayama, Fukuoka, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Kyushu Electric Power Co., Inc., Fukuoka-shi, Fukuoka, JP;
Abstract
It is an object to provide a battery system whose life can be extended. A cell pack having at least one lithium secondary battery that uses a manganese-based cathode material and a control unit that controls charging and discharging of the cell pack are provided, and the control unit controls charging and discharging within a low-degradation voltage range that is set on the basis of a target cell degradation rate.