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Processing of spent Lithium-ion battery
A mild acid as leaching reagent with a reducing agent is be used as a precursor material for a lot of energy storing
opted to recover pure lithium phosphate and Ni-Co-Mn sectors, i.e., lithium based NASICON electrode/electrolyte,
oxalate from spent lithium-ion battery mixed cathode LIB electrode, which can lead to the sustainable futuristic
system. Mixed metal oxalate can be utilised to prepare LIB novel approach of recycling LIB cathode material.
cathode material, and high pure lithium phosphate can
Fig. Process developed at CSIR-IMMT for treatment of spent cathode material from spent LIB
ANNUAL REPORT 2021-22 45
