▎ 摘　　要

NOVELTY - Preparing lithium ion battery anode slurry comprises (i) dissolving binder in N-methyl-2-pyrrolidone solvent, carrying out double planetary stirring and dispersing, (ii) adding graphene dispersion into viscose solution, using omnidirectional planetary ball mill to perform ball milling and mixing to obtain a graphene viscose solution A and sieving, (iii) adding carbon tube conductive slurry into a part of the graphene viscose A, stirring, mixing using a high-speed disperser and then homogenizing using a high-pressure homogenizer, (iv) adding twice the anode active material into the composite slurry B, carrying out double planetary stirring and dispersing and (v) adding the remaining graphene viscose A into slurry C, carrying out double planetary stirring and dispersing to obtain slurry D, adding N-methyl-2-pyrrolidone solvent to adjust the viscosity based on the material conditions and determining solid content, filtering and vacuum defoaming. USE - The method is useful for preparing lithium ion battery anode slurry. ADVANTAGE - The slurry: is uniformly dispersed; has good conductivity; and is suitable for suitable for charging and discharging with high multiplying power. DETAILED DESCRIPTION - Preparing lithium ion battery anode slurry comprises (i) dissolving binder in N-methyl-2-pyrrolidone solvent (NMP), carrying out double planetary stirring and dispersing to obtain a viscose solution, (ii) adding graphene dispersion into viscose solution, using omnidirectional planetary ball mill to perform ball milling and mixing to obtain a graphene viscose solution A, sieving and storing, (iii) adding carbon tube conductive slurry into a part of the graphene viscose A, stirring, mixing using a high-speed disperser and then homogenizing using a high-pressure homogenizer to obtain a composite slurry B, (iv) adding twice the anode active material into the composite slurry B, carrying out double planetary stirring and dispersing to obtain slurry C and (v) adding the remaining graphene viscose A into slurry C, carrying out double planetary stirring and dispersing to obtain slurry D, adding N-methyl-2-pyrrolidone solvent to adjust the viscosity based on the material conditions and determining solid content, filtering and vacuum defoaming when the solid content reaches the required level to obtain the product.