Cathode Active Material Recycling from Spent Lithium Batteries: A Green (Circular) Approach Based on Deep Eutectic Solvents.

ABSTRACT: The transition to a circular economy vision must handle the increasing request of metals required to satisfy the battery industry; this can be obtained by recycling and feeding back secondary raw materials recovered through proper waste management. Here, a novel and green proof-of-concept was developed, based on deep eutectic solvents (DESs) to fully and easily recover valuable metals from various cathode active materials, including LiMn₂ O₄ , LiNi_0.5 Mn_1.5 O₄ , and LiNi_0.8 Co_0.2 O₂ . DES composed of choline chloride and lactic acid could leach Li, Mn, Co, and Ni, achieving efficiency of 100 % under much milder conditions with respect to the previous literature. For the first time, to our best knowledge

SUBMITTER: Morina R 

PROVIDER: S-EPMC9305586 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature