Regeneration of LiFePO4 from Spent Materials: Control and Influence of Al Impurity
Shaole Song,
Runqing Liu,
Jiexiang Li
et al.
Abstract:Owing to the rapid increase of lithium iron phosphate (LiFePO4) batteries, recycling and regeneration of LiFePO4 enjoys significances for sustainable development and environmental protection. In this study, an effective regeneration method for spent LiFePO4 materials and the influence of Al impurity on the electrochemical performance of regenerated LiFePO4 were studied. Firstly, 99.26 % Fe, 99.52 % P, 99.58 % Li, 59.36 % Al and 20.24 % Cu in spent LiFePO4 material were leached with 150 g ⋅ L−1 H2SO4. Subsequen… Show more
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