NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME

DRIVE May 14, 2025
Source
The present invention relates to a negative electrode including a negative electrode current collector, and a negative electrode active material layer disposed on the negative electrode current collector, wherein the negative electrode active material layer includes a silicon-based active material, a first conductive material including graphite, a second conductive material including a single-walled carbon nanotube, and a binder, wherein the binder includes a cellulose-based compound and a rubber-based compound, the first conductive material is included in the negative electrode active material layer in an amount of 15 wt% to 25 wt%, the second conductive material is included in the negative electrode active material layer in an amount of 0.15 wt% to 2.5 wt%, and the second conductive material and the binder are included in the negative electrode active material layer at a weight ratio of 1.5:99.5 to 20.0:80.0.

Discussion in the ATmosphere

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