▎ 摘　　要

NOVELTY - Lithium negative electrode comprises graphite, conductive agent, agglomerant, thickener, and solvent. The conductive agents comprises carbon nanotubes, carbon nano tubes, and conductive carbon black. The thickener comprises sodium carboxymethyl cellulose. The bonding agent comprises polypropylene-butadiene rubber or water-based agglerant. The solvent is deionized water, and the total solid content in the negative electrode is 46-50 wt.% and the initial viscosity is 2500-4000 mPa.S. USE - Lithium negative electrode. ADVANTAGE - The lithium negative electrode effectively use carbon nano-tube in the water negative electrode based slurry, carbon black graphene as negative electrode composite conductive agent, negative electrode the slurry dispersion effect, has good slurry stability, good coating performance, is not easy to be layered, and can effectively improve the negative electrode sheet, reduce the impedance, improve the energy density of the electric core, and increases the liquid amount. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a slurry homogenizing technique for lithium negative electrode to negative electrode, comprises: (i) mixing the conductive agent, dispersant, deionized water mixing, dispersing in the stirrer to obtain the composite conductive slurry for use; (ii) adding the sodium carboxymethyl cellulose into the deionized water, stirring and dispersing in the planetary stirrer, preparing solid content 1-2 wt.% thickening liquid; (iii) adding the solid content is 40 % of Poly(acrylic acid) (PAA) or its copolymerized aqueous bonding agent to the thickening liquid, further dispersing to obtain the first glue solution, and taking out 40-50 % of the first glue solution for further use; (iv) adding the composite conductive paste in the remaining first glue solution, dispersing again to obtain the conductive glue solution for future use; (v) adding deionized water the graphite to wet, stirring and dispersing; the deionized water is 20 to 30 % graphite; (vi) adding the conductive glue solution into the stirring tank of wetting graphite, adjusting the solid content of the composite slurry to 65-70 %, stirring and dispersing; (vii) adding the first glue solution into the slurry, and adding deionized water to uniformly disperse, vacuumizing in the dispersing process to obtain the second composite slurry; (viii) adjusting the viscosity of the second composite slurry, adding deionized water, stirring and dispersing, vacuumizing in the dispersing process to obtain the third composite slurry; (ix) obtaining the lithium negative electrode the butylbenzene rubber solution is added to the third composite slurry, stirring and dispersing, dispersing in the process of vacuumizing, and reversing vacuum defoaming to obtain the lithium ion battery negative electrode.