Invention Grant
US09359659B2 Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable material
有权
从锂离子二次电池中回收有价物质的方法以及含有价值材料的回收材料
- Patent Title: Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable material
- Patent Title (中): 从锂离子二次电池中回收有价物质的方法以及含有价值材料的回收材料
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Application No.: US13927428Application Date: 2013-06-26
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Publication No.: US09359659B2Publication Date: 2016-06-07
- Inventor: Koji Fujita , Satoshi Kawakami , Yoshihiro Honma , Ryoei Watanabe
- Applicant: DOWA ECO-SYSTEM Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: DOWA ECO-SYSTEM Co., Ltd.
- Current Assignee: DOWA ECO-SYSTEM Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Carmody Torrance Sandak & Hennessey LLP
- Priority: JP2010-291012 20101227
- Main IPC: C22C19/07
- IPC: C22C19/07 ; C22B7/00 ; C22B3/00 ; H01M10/54 ; C22B23/00 ; H01M10/0525
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.
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