期刊
CHEMICAL ENGINEERING JOURNAL
卷 439, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2022.135767
关键词
Nickel-based batteries; Recovery; Valuable metals; Mechanism; Hydrometallurgy; Pyrometallurgy
资金
- National Key R&D Program of China [2017YFB0603800 2017YFB0603802]
- Anhui Province Sci-ence for Excellent Young Scholars [2108085Y19]
With the rapid growth of the battery industry and the corresponding potential environmental pollution, recycling waste nickel-based batteries has become essential. This review summarizes the sources and characteristics of valuable metals in these batteries and compares and discusses various treatment processes, such as acid leaching, bio-leaching, and pyrometallurgy. The challenges faced by different pretreatment and recovery processes are highlighted, and a comprehensive treatment method combining hydrometallurgy and pyrometallurgy processes is proposed. The properties of valuable metals products obtained by different treatment processes are discussed, providing useful advice for the completely harmless treatment of waste nickel-based batteries.
The rapidly growing battery industry and the corresponding potential environmental pollution make recycling waste nickel (Ni)-based batteries essential. This review summarized the sources and characteristics of valuable metals in Ni-based batteries. The various treatment processes of waste Ni-based batteries, including acid leaching, bio-leaching, and pyrometallurgy, were compared and discussed. The different pretreatment processes were compared because they influence the recovery of valuable metals. Moreover, the crucial mechanism of hydrometallurgy and pyrometallurgy recovery processes was summarized in detail, and the challenges faced by various pretreatment and recovery processes were also pointed out. A comprehensive treatment method was proposed combining hydrometallurgy and pyrometallurgy processes. Finally, the properties of valuable metals products obtained by different treatment processes were discussed and analyzed, providing useful advice for the completely harmless treatment of waste Ni-based batteries.
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