Recovering Lithium from the Cathode Active Material in Lithium-Ion Batteries via Thermal Decomposition
| Autor: | Ryo Kasuya, Fuka Tsugita, Shunsuke Kuzuhara, Mina Ota |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
lcsh:TN1-997
inorganic chemicals Materials science carbonation lithium carbonate Inorganic chemistry Lithium carbonate Metals and Alloys chemistry.chemical_element Lithium fluoride Lithium hydroxide Lithium-ion battery law.invention chemistry.chemical_compound recovery chemistry law General Materials Science Calcination Lithium lithium ion battery Lithium cobalt oxide Cobalt lcsh:Mining engineering. Metallurgy |
| Zdroj: | Metals Volume 10 Issue 4 Metals, Vol 10, Iss 4, p 433 (2020) |
| ISSN: | 2075-4701 |
| DOI: | 10.3390/met10040433 |
| Popis: | In this study, calcination tests were performed on a mixed sample of lithium cobalt oxide and activated carbon at 300&ndash 1000 C under an argon atmosphere. The tests were conducted to discover an effective method for recovering lithium and cobalt from the cathode active material used in lithium-ion batteries. Additionally, the effect of soluble fluorine on the purification of lithium carbonate was investigated by the addition of lithium fluoride to an aqueous lithium hydroxide solution and a CO2 flow test was performed. The lithium recovery was &ge 90% when the calcination occurred at temperatures of 500&ndash 600 C. However, the percent recovery decreased at temperatures &ge 700 C. It was demonstrated that in order to increase the recovery while maintaining 99% purity of lithium carbonate in the recovered material, it was imperative to increase the temperature of the solution and to limit the F/Li ratio (mass%/mass%) in the solution to a value that did not exceed 0.05. |
| Databáze: | OpenAIRE |
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