Title:
METHOD FOR RECOVERING VALUABLE MATERIAL FROM LITHIUM-ION SECONDARY BATTERY, AND RECOVERED MATERIAL CONTAINING VALUABLE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2012/090654
Kind Code:
A1
Abstract:
A method for recovering a valuable material from a lithium-ion secondary battery, including: a roasting step for roasting a lithium-ion secondary battery including a valuable material in a metallic battery case, and obtaining a roasted material; a separating step for stirring the roasted material with a liquid and separating, from within the metallic battery case, a content containing the valuable material; and a sorting step for sorting the metallic battery case from the content that has been separated in the separating step, and obtaining a recovered material containing the valuable material.
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Inventors:
FUJITA KOJI (JP)
KAWAKAMI SATOSHI (JP)
HONMA YOSHIHIRO (JP)
WATANABE RYOEI (JP)
KAWAKAMI SATOSHI (JP)
HONMA YOSHIHIRO (JP)
WATANABE RYOEI (JP)
Application Number:
PCT/JP2011/078153
Publication Date:
July 05, 2012
Filing Date:
December 06, 2011
Export Citation:
Assignee:
DOWA ECO SYSTEM CO LTD (JP)
FUJITA KOJI (JP)
KAWAKAMI SATOSHI (JP)
HONMA YOSHIHIRO (JP)
WATANABE RYOEI (JP)
FUJITA KOJI (JP)
KAWAKAMI SATOSHI (JP)
HONMA YOSHIHIRO (JP)
WATANABE RYOEI (JP)
International Classes:
H01M10/54; B09B3/00; B09B5/00; C22B7/00; C22B23/00
Foreign References:
| JP2004342524A | 2004-12-02 | |||
| JPH07207349A | 1995-08-08 | |||
| JPH07245126A | 1995-09-19 | |||
| JP2007122885A | 2007-05-17 | |||
| JPH07207349A | 1995-08-08 | |||
| JPH07245126A | 1995-09-19 | |||
| JP2007122885A | 2007-05-17 |
Attorney, Agent or Firm:
HIROTA, Koichi et al. (JP)
Koichi Hirota (JP)
Koichi Hirota (JP)
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Claims: