Journal
HYDROMETALLURGY
Volume 161, Issue -, Pages 54-57Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.hydromet.2016.01.026
Keywords
Spent lithium-ion batteries; Dissolution; Organic adds; Recovery of Co
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Funding
- Kuvempu University [52/914]
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Environmentally benign hydrometallurgical dissolution process is investigated for the recovery of cobalt from the cathode active materials of spent lithium-ion batteries (LIBs). A mixture of tartaric acid and ascorbic acid is used to dissolve the LiCoO2 collected from spent LIBs. The reductive-complexing mechanism led to >95% dissolution with 0.4 M tartaric add and 0.02 M ascorbic acid in about 5 hat 80 degrees C. The dissolved Co was separated as cobalt oxalate from the mixture. (C) 2016 Elsevier B.V. All rights reserved.
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