Efficient recovery of valuable metals from spent Lithium-ion batteries by pyrite method with hydrometallurgy process
Chemical Engineering Journal(2023)
Abstract
•Pyrite is artfully employed in the cathode recovery of spent LIBs firstly.•About 98 %∼99.9 % of valuable metal ions were extracted into solution.•The thermodynamics and kinetics of the leaching process were deeply studied.•The two-element synergistic leaching mechanism of pyrite was explored in detail.
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Key words
Spent LIBs,Pyrite method,Valuable metals,Recovery,Synergistic mechanism
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