Negative Electrode For Lithium Secondary Battery, Method For Manufacturing Negative Electrode For Lithium Secondary Battery, And Lithium Secondary Battery Comprising Negative Electrode

Abstract: The present invention relates to a negative electrode for a lithium secondary battery, the negative electrode comprising a negative electrode current collector layer, a first negative electrode active material layer provided on one or both surfaces of the negative electrode current collector layer, and a second negative electrode active material layer provided on the other surface of the negative electrode current collector layer, which is the opposite surface to that on which the first negative electrode active material layer comes into contact with the negative electrode collector layer, wherein: the first negative electrode active material layer has a porosity of 40% or lower, and the porosity of the second negative electrode active material layer is higher than the porosity of the first negative electrode active material layer; the first negative electrode active material layer contains a first negative electrode active material layer composition comprising a first negative electrode active material, a first negative electrode conductive material, and a first negative electrode binder, and the second negative electrode active material layer contains a second negative electrode active material layer composition comprising a second negative electrode active material, a second negative electrode conductive material, and a second negative electrode binder; and the first negative electrode conductive material comprises two or more types of conductive materials while the second negative electrode conductive material comprises one type of conductive material.

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