NEGATIVE ELECTRODE SLURRY COMPOSITION, LITHIUM-ION SECONDARY CELL NEGATIVE ELECTRODE, AND LITHIUM-ION SECONDARY CELL

摘要

Provided is a negative electrode slurry composition including a binder resin, a water-soluble polymer, and a negative electrode active material, wherein the binder resin including (A) a styrene-butadiene copolymer latex having a gel amount of 70 to 98% and a glass transition temperature of -30°C to 60°C in dynamic viscoelasticity measurement and (B) an acryl 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, and the negative electrode active material including a carbon-based active material and a silicon-based active material.