METHOD OF SELECTIVE LITHIUM RECOVERY AS Li2CO3 FROM LITHIUM-ION BATTERY WASTE USING A REDUCING AGENT

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United States of America

APP PUB NO 20250074782A1
SERIAL NO

18820511

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Abstract

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The present disclosure may provide a method of producing Li2CO3 from heat-treated LIB waste cathode materials, which includes (a) producing a solid mixture of the LIB cathode materials and a reducing agent, (b) heat treatment of the solid mixture that yields Li2CO3 (c) obtaining the Li2CO3 by water-leaching the heat-treated LIB waste cathode material, and precipitating it in the presence of a co-solvent. The reducing agent is an ammonium-based compound that primarily generates NH3 and CO2 during heat treatment.

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Patent Owner(s)

Patent OwnerAddress
CHUNG WOOK JIN339-1003 60 NARUTEO-RO 4-GIL SEOCHO-GU SEOUL 06522
SEM INCRM 501-1 3 GUGAL-RO 60BEON-GIL GIHEUNG-GU YONGIN-SI GYEONGGI-DO 16972

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHUNG, Wook Jin Seoul, KR 43 972
FISSAHA, Hiluf Tekle Gyeonggi-do, KR 1 0
GEBREMICHAEL, Gebremedhn Tekeste Gyeonggi-do, KR 1 0
GRACE, Nisola Gyeonggi-do, KR 1 0
SIO, John Edward Gyeonggi-do, KR 1 0

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