The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Recovery of Lithium, Iron, and Phosphorus from Spent LiFePO4 Batteries Using Stoichiometric Sulfuric Acid Leaching System
Abstract
A selective leaching process is proposed to recover Li, Fe, and P from the cathode materials of spent lithium iron phosphate (LiFePO 4 ) batteries. It was found that using stoichiometric H 2 SO 4 at a low concentration as a leachant and H 2 O 2 as an oxidant, Li could be selectively leached into solution while Fe and P could remain in leaching residue as FePO 4, which is different from the traditional process of using excess mineral acid to leach all the elements into solution. Under the optimized conditions (0.3 M H 2 SO 4, H 2 O 2 /Li molar ratio 2.07, H 2 SO 4 /Li molar ratio 0.57, 60 °C, and 120 min), the leaching rates of 96.85% for Li, 0.027% for Fe, and 1.95% for P were recorded. The Li contained in solution was then recovered by introducing Na 3 PO 4 as a precipitant. Around 95.56% Li was precipitated and recovered in the form of Li 3 PO 4 under the experimental conditions. In addition, the FePO 4 in the leaching residue was directly recovered by burning at 600 °C for 4 h to remove carbon slag. This study illustrates an effective process for the recycling of spent LiFePO 4 batteries in a simple, efficient, and cost-effective way, which give it potential to be industrially applied.
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Citations
Cites
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Development of a recycling process for Li-ion batteries
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Novel approach to recover cobalt and lithium from spent lithium-ion battery using oxalic acid
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Lithium Carbonate Recovery from Cathode Scrap of Spent Lithium-Ion Battery: A Closed-Loop Process
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Cited by
Recycling End-of-Life Electric Vehicle Lithium-Ion Batteries
Chen, M., Ma, X., Chen, B., Arsenault, R., Karlson, P., Simon, N., & Wang, Y. (2019) · Joule · doi:10.1016/j.joule.2019.09.014 · Cited by 1,316
A Critical Review and Analysis on the Recycling of Spent Lithium-Ion Batteries
Lv, W., Wang, Z., Cao, H., Sun, Y., Zhang, Y., & Sun, Z. (2018) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.7b03811 · Cited by 1,163
Toward sustainable and systematic recycling of spent rechargeable batteries
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Recent progress on the recycling technology of Li-ion batteries
Wang, Y., An, N., Wen, L., Wang, L., Jiang, X., Hou, F., Yin, Y., & Liang, J. (2021) · Journal of Energy Chemistry · doi:10.1016/j.jechem.2020.05.008 · Cited by 404
Metadata
- Authors
- Li, H., Xing, S., Liu, Y., Li, F., Guo, H., & Kuang, G.
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-08-25
- Volume
- 5
- Issue
- 9
- Pages
- 8017-8024
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2742265106
- Cited by
- 523
- References
- 35
- FWCI
- 12.45
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, H., Xing, S., Liu, Y., Li, F., Guo, H., & Kuang, G. (2017). Recovery of Lithium, Iron, and Phosphorus from Spent LiFePO4 Batteries Using Stoichiometric Sulfuric Acid Leaching System. ACS Sustainable Chemistry & Engineering. https://doi.org/10.1021/acssuschemeng.7b01594
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