Anode Material with Improved Adhesion of Anode Active Material and Binder Polymer and Lithium Secondary Battery Comprising the Same

摘要

The present invention is a negative electrode active material comprising a modified carbon-based material containing at least one doping element selected from the group consisting of nitrogen (N), fluorine (F) and oxygen (O); And a binder polymer comprising at least one of a carboxyl group and a hydroxy group. The present invention relates to a negative electrode mixture comprising a negative electrode active material and a binder polymer, and a lithium secondary battery comprising the same.