Title:
METHOD FOR RECYCLING SECONDARY BATTERY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2024/034754
Kind Code:
A1
Abstract:
The present invention relates to a method for recycling a secondary battery material from a waste battery material comprising a metal oxide composed of various types of metals, and the method may comprise the steps of: a) providing a waste battery material, which is black powder recovered from a waste battery or is a waste positive electrode material generated in a battery manufacturing process; b) mixing the waste battery material with a sulfur compound, which is a reducing agent, and roasting the waste battery material to generate a heating element; and c) mixing and stirring the heating element and water to form a heating element aqueous solution, and separating, into liquid and solids, the heating element aqueous solution to form a first recycled metal mixture and a first metal mixture aqueous solution.
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Inventors:
KIM DONGHEE (KR)
SHIN DONGMIN (KR)
SON MINHO (KR)
SHIN DONGMIN (KR)
SON MINHO (KR)
Application Number:
PCT/KR2022/020410
Publication Date:
February 15, 2024
Filing Date:
December 15, 2022
Export Citation:
Assignee:
ECOPRO MAT CO LTD (KR)
International Classes:
C22B1/06; H01M10/54; C22B3/00; C22B26/12
Foreign References:
| KR20220101972A | 2022-07-19 | |||
| JP2021174676A | 2021-11-01 | |||
| KR101682217B1 | 2016-12-05 | |||
| JP2004011010A | 2004-01-15 | |||
| KR102460833B1 | 2022-11-01 |
Attorney, Agent or Firm:
BLT PATENT & LAW FIRM (KR)
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