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:
Jun. 07, 2016
Filed:
Jun. 26, 2013
Applicant:
Dowa Eco-system Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Koji Fujita, Tokyo, JP;
Satoshi Kawakami, Tokyo, JP;
Yoshihiro Honma, Tokyo, JP;
Ryoei Watanabe, Tokyo, JP;
Assignee:
DOWA ECO-SYSTEM Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C 19/07 (2006.01); C22B 7/00 (2006.01); C22B 3/00 (2006.01); H01M 10/54 (2006.01); C22B 23/00 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C22C 19/07 (2013.01); C22B 7/007 (2013.01); C22B 23/005 (2013.01); C22B 23/04 (2013.01); C22B 23/0407 (2013.01); H01M 10/54 (2013.01); H01M 10/0525 (2013.01); Y02P 10/234 (2015.11); Y02T 10/7011 (2013.01); Y02W 30/84 (2015.05);
Abstract
A method for recovering a valuable material from a lithium-ion secondary battery, the method contains: roasting a lithium-ion secondary battery containing a valuable material in a metal battery case thereof to obtain a roasted material; stirring the roasted material with liquid to separate contents containing the valuable material from the inside of the metal battery case; and sorting the contents separated by the separation and the metal battery case to obtain a recovered material containing the valuable material.