| abstract |
The present invention relates to a negative electrode for a secondary battery capable of realizing a secondary battery having high reliability and excellent cycle characteristics and a method of manufacturing the same. The present invention relates to a positive electrode active material composition comprising a collector, a negative electrode active material layer and a porous membrane, wherein the negative electrode active material layer contains a negative electrode active material and a particulate negative electrode polymer, and the porous membrane comprises a non- , Wherein the non-conductive particles comprise at least 50% by weight of a structural unit formed by polymerizing (meth) acrylate and having a softening point or a decomposition point of 175 DEG C or higher, and a method for producing the same. to provide. |