NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY

The present invention provides a negative electrode for a lithium secondary battery, which includes a negative electrode current collector; and a negative electrode active material layer which is formed on the negative electrode current collector and includes a negative electrode active material including a silicon-based material, wherein the negative electrode active material includes lithium intercalated by pre-lithiation, and the extent of pre-lithiation of the negative electrode active material, calculated by a specific equation, is 5 to 50%.