Journal
CHEMIE INGENIEUR TECHNIK
Volume 87, Issue 11, Pages 1550-1557Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cite.201500066
Keywords
Lithium; Li-ion batteries; Pyrometallurgy; Recycling
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Funding
- German Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety (Bundesministerium fur Umwelt, Naturschutz, Bau und Reaktorsicherheit, BMUB) [16EM1003]
- VDI/VDE Innovation + Technik GmbH
- Accurec Recycling GmbH
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A recycling process for automotive lithium-ion batteries was developed. The process combines a mechanical pretreatment with pyrometallurgical recycling process step to recover all battery components, and realize cost-neutral and sustainable recycling. The focus of the research work is the development of a pyrometallurgical process step to recover especially Li out of electrode mass powder which is the fine fraction extracted mechanically from spent Li-ion batteries. Two metallurgical treatment technologies were investigated: direct vacuum evaporation of Li and recovery of metallic Li by distillation, and a selective entraining gas evaporation of Li and recovery of lithium oxide.
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