Subtractive transformation of cathode materials in spent Li-ion batteries to a low-cobalt 5 V-class cathode material.

ABSTRACT: Adding extra raw materials for direct recycling or upcycling is prospective for battery recycling, but overlooks subtracting specific components beforehand can facilitate the recycling to a self-sufficient mode of sustainable production. Here, a subtractive transformation strategy of degraded LiNi_0.5Co_0.2Mn_0.3O₂ and LiMn₂O₄ to a 5 V-class disordered spinel LiNi_0.5Mn_1.5O₄-like cathode material is proposed. Equal amounts of Co and Ni from degraded materials are selectively extracted, and the remaining transition metals are directly converted into Ni_0.4Co_0.1Mn_1.5(CO₃)₂ precursor for preparing cathode material with in-situ Co doping. The cath

SUBMITTER: Ma J 

PROVIDER: S-EPMC10844610 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature