Negative Electrode Composition, Negative Electrode For Lithium Secondary Battery Comprising Same, And Lithium Secondary Battery Comprising Negative Electrode

Abstract: The present application relates to: a negative electrode composition; a negative electrode for a lithium secondary battery, the negative electrode comprising the negative electrode composition; and a lithium secondary battery including the negative electrode. The negative electrode composition includes a silicon-based active material, a negative electrode conductive material, and a negative electrode binder including a first binder which has a Young's modulus of at least 10³ MPa, and a second binder which has a strain of at least 15%, and satisfying 1=X/Y<4, where Y refers to the parts by weight of the first binder per 100 parts by weight of the negative electrode binder, and X refers to the parts by weight of the second binder per 100 parts by weight of the negative electrode binder.

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