fig4
![Recycling valuable materials from the spent lithium ion batteries to catalysts: methods, applications, and characterization](https://image.oaes.cc/df092ec8-532d-4026-b0bd-55557e43efb0/cs3066.fig.4.jpg)
Figure 4. (A) Flow chart of utilizing the recovered materials from spent ternary LIBs to synthesize Mn-based multi-oxide catalysts. Quoted with permission from Guo et al.[53]; (B) Schematic diagram of reuse of spent LiNi0.94Co0.05Mn0.01O2 cathodes via electrochemical delithiation technology. Quoted with permission from Li et al.[54]; (C) Schematic diagram of preparation for NiMnCo-based catalysts from spent LIBs. Quoted with permission from Jiao et al.[55]. LIBs: Lithium-ion batteries; NCM: LiNixCoyMn1-x-yO2; de: delithiation; AC: activated carbon.