Negative Electrode And Secondary Battery Comprising Same

Abstract: The present invention provides a negative electrode comprising: a negative electrode current collector; a first negative electrode active material layer disposed on at least one surface of the negative electrode current collector and including a first negative electrode active material; and a second negative electrode active material layer including a second negative electrode active material, wherein the first negative electrode active material layer includes side portions partitioned on both sides thereof and a central portion partitioned off from the side portions, the side portions have an inclination toward a surface of the negative electrode current collector, the second negative electrode active material layer is disposed on at least a portion of the side portions, and the maximum height of the second negative electrode active material layer with respect to the surface of the negative electrode current collector is equal to or less than the maximum height of the first negative electrode active material layer.

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