Abstract
The current methods for the extraction of cobalt, lithium, nickel, and manganese from waste lithium-ion batteries require reagents such as HCl, H2SO4, HNO3 and excess of a reductants such as of hydrogen peroxide. This work provides a new strategy for metal recovery and impurity removal without the use of mineral acids, bases or discrete reductants. This study is an alternative strategy using unique pyrometallurgical method that may be more environmentally sustainable because reagent consumption may be less, fewer toxic reagents are utilized, and fewer unit operations are employed. The effects of temperature, time, and reagent concentration were studied upon the recovery of cobalt, lithium, nickel, iron, and aluminum.
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© 2021 The Minerals, Metals & Materials Society
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Strauss, M.L., Aldana, L.D., Case, M., Lister, T. (2021). A Strategy for Acid-Free Waste Lithium Battery Processing. In: Anderson, C., et al. Ni-Co 2021: The 5th International Symposium on Nickel and Cobalt. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-65647-8_9
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DOI: https://doi.org/10.1007/978-3-030-65647-8_9
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