▎ 摘　　要

NOVELTY - Preparing lithium battery anode material comprises (i) uniformly mixing lithium source compounds, manganese source compounds, nickel source compounds, cobalt source compound, molybdenum source compound, zirconium source compound, strontium source compound, ammonium selenate and water to obtain mixed solution, and spray-drying the mixed solution, then carrying out calcination treatment, naturally cooling, and grinding to obtain precursor powder, (ii) mixing and grinding the precursor powder prepared through step (i) and graphene quantum dots, and then carrying out sintering treatment to obtain intermediate powder, (iii) adding β-cyclodextrin-copper(Cu) metal-organic framework nanomaterials and Carter condensing agent into N,N-dimethylformamide, adding the intermediate powder prepared through step (ii), and stirring for 1-2 hours, and removing N,N-dimethylformamide to obtain modified intermediate powder, and (iv) sintering the modified intermediate powder produced in step (iii). USE - The method is useful for preparing lithium battery anode material. ADVANTAGE - The lithium battery anode material: has excellent electrochemical performance, excellent cycle performance, high capacity retention rate, stable structure, excellent high temperature resistance performance and long service life. DETAILED DESCRIPTION - Preparing lithium battery anode material comprises (i) uniformly mixing lithium source compounds, manganese source compounds, nickel source compounds, cobalt source compound, molybdenum source compound, zirconium source compound, strontium source compound, ammonium selenate and water using liquid phase mixing method to obtain mixed solution, and then spray-drying the mixed solution, then carrying out calcination treatment, naturally cooling to room temperature, and grinding through a 100-300 mesh sieve to obtain precursor powder, (ii) mixing and grinding the precursor powder prepared through step (i) and graphene quantum dots by 200-200 meshes sieve, and then carrying out sintering treatment to obtain intermediate powder, (iii) adding β-cyclodextrin-copper(Cu) metal-organic framework nanomaterials of formula (β-CD-CuMOFNFs) and Carter condensing agent into N,N-dimethylformamide, adding the intermediate powder prepared through step (ii), and stirring for 1-2 hours, and removing N,N-dimethylformamide by rotary evaporation to obtain modified intermediate powder, and (iv) sintering the modified intermediate powder produced in step (iii) under the protection of an inert gas to obtain finished lithium battery cathode material. An INDEPENDENT CLAIM is included for lithium battery anode material prepared by above method.