| abstract |
The present invention provides a method for preparing a negative electrode for a lithium secondary battery, and a negative electrode for a lithium secondary battery, prepared by the method, the method comprising the steps of: preparing a working electrode including a metal thin film; preparing a composition for forming a first solid electrolyte layer, comprising an additive including at least one salt selected among salts represented by chemical formulas 1 to 5, and a glyme-based solvent; forming a half-cell comprising the working electrode, a counter electrode, a reference electrode, and the composition for forming the first solid electrolyte layer; forming the first solid electrolyte layer on the working electrode by driving the half-cell; and separating the working electrode having the first solid electrolyte layer formed thereon. |