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Title:
METHOD FOR DEACTIVATING LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/201151
Kind Code:
A1
Abstract:
A method for deactivating a lithium ion secondary battery, the method comprising (A) a step for opening the lithium ion secondary battery in an alkali water solution or (B) a step for opening the lithium ion secondary battery in water under an inert gas atmosphere or a reductive gas atmosphere. By using said method, it is possible to easily and safely deactivate waste lithium ion secondary batteries.

Inventors:
UDA TETSUYA (JP)
TANINOUCHI YU-KI (JP)
KISHIMOTO AKIHIRO (JP)
Application Number:
PCT/JP2021/013974
Publication Date:
October 07, 2021
Filing Date:
March 31, 2021
Export Citation:
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Assignee:
UNIV KYOTO (JP)
International Classes:
B09B3/00; B09B5/00; H01M10/54
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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