Anode for lithium secondary battery and manufacturing method therefor

A negative electrode for a lithium secondary battery, comprising:

• a negative electrode current collector;
• and
• a negative electrode active layer provided on at least one side of the negative electrode current collector and including a carbon-based negative electrode active material,
• wherein the negative electrode active layer is divided into a center region including a center part in a width direction of the negative electrode active layer, a sliding region located at an edge of the negative electrode active layer and having a thickness gradient, and an edge region located between the center region and the sliding region,
• wherein the center region has a ratio of 90% or more of a total length in the width direction of the negative electrode active layer, the sliding region has a ratio of 3% or less of the total length in the width direction of the negative electrode active layer, and the edge region has a ratio excluding the ratio of the center region and the sliding region among the total length in the width direction of the negative electrode active layer,
• wherein a loading amount per unit area of the carbon-based negative electrode active material contained in the edge region is greater than a loading amount per unit area of the carbon-based negative electrode active material contained in the center region, wherein the center region has an alignment of 0.7 to 1.5, and satisfies Equation 1 and Equation 2:
• 2.7
• ≤
• [
• O
• .
• I
• edge
• ]
• ⁢
• /
• [
• O
• .
• I
• center
• ]
• ≤
• 4.8
• [
• Equation
• ⁢
• 1
• ]
• 1.5
• ≤
• [
• O
• .
• I
• sliding
• ]
• ⁢
• /
• [
• O
• .
• I
• center
• ]
• ≤
• 2.6
• [
• Equation
• ⁢
• 2
• ]
• wherein, in Equation 1 and Equation 2,
• O.Iedge represents an alignment at the edge region,
• O.Icenter represents the alignment in the center region,
• O.Isliding represents an alignment in the sliding region, and
• wherein the alignment at the edge region, in the center region, and in the sliding region represents a ratio of an area of a peak representing a (0,0,4) crystal face to an area of a peak representing a (1,1,0) crystal face in an XRD measurement for the negative electrode active layer.