| abstract |
The present invention relates to a negative electrode and a secondary battery, comprising a negative active material layer, wherein the negative active material layer comprises a negative active material and a conductive material, the negative active material comprises carbon-based active material particles comprising natural graphite and an amorphous carbon-based material, the specific surface area of the carbon-based active material particles is 1.4m 2 /g to 2.3m 2 /g, and the conductive material comprises carbon nanotubes having an average length of 1-12 µm. |