abstract |
A negative electrode slurry composition comprising a binder resin, a water-soluble polymer and a negative electrode active material, wherein the binder resin has a gel content of 70 to 98% and a glass transition temperature of -30 to 60 占 폚 in dynamic viscoelasticity measurement, A styrene-butadiene copolymer latex, and (B) an acrylic polymer latex having a gel amount of 70 to 98% and a glass transition temperature of -100 ° C to 0 ° C in dynamic viscoelasticity measurement, wherein the negative electrode active material is carbon Based active material and a silicon-based active material. |