An investigation into the synergistic enhancement of MIBK for lithium extraction utilizing the TBP–FeCl3 system from spent LiFePO4 powder

The low initial extraction efficiency of solvent extraction has been addressed in MIBK and the TBP–FeCl 3 system for spent LFP powder. And the synergistic mechanism of MIBK has been elucidated, offering valuable insights into battery recycling.