|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||REWAS 2022: Recovering the Unrecoverable
||Extraction of Nickel from Recycled Lithium-ion Batteries
||Meng Shi, Sabrina M. Reich, Ankit Verma, John R. Klaehn, Luis A. Diaz, Tedd E. Lister
|On-Site Speaker (Planned)
Aiming to recover critical materials from waste batteries, we have developed a series of operations to extract individual metals from the end-of life solid mixture based on their electrochemical (EC) and chemical properties. Our large-scale EC-leaching process isolates graphite and metallic copper by electricity, and generates a leachate solution of metals. This leachate can contain aluminum and iron that are removed by pretreatment processes. Then, the remaining critical metals can be individually extracted through other extraction operations, including solvent extraction, ion-exchange, precipitation, and electrochemical dialysis. Through these methods, we have successfully developed a feasible and flexible recovery of critical materials and high purity metal salts from recycled waste lithium-ion battery materials.
1. Diaz, L.A., et al., Electrochemical-assisted leaching of active materials from lithium ion batteries. Resources, Conservation and Recycling, 2020. 161: p. 104900.
||Copper / Nickel / Cobalt, Extraction and Processing, Recycling and Secondary Recovery