Samsung Sdi Co., Inc.

Yoonyoung Choi

Hyun Soh

Ickkyu Choi

Heeyoung Chu

Yungu Cho

Doori Oh

A composite anode and a secondary battery including the same are disclosed. The composite anode includes a silicon-containing structure; a first carbon material; a second carbon material; and a conductive material, wherein the first carbon material has a specific surface area (BET) value of 1.5 m/g or less, a rate of change of the specific surface area (m/g) to an increase in particle size (μm) is −0.07 to −0.04 m/μm·g, and an area occupied by pores in a cross-section of the first carbon material is 10% or less.

Growing community of inventors

Yongin-si, South Korea

Yoonyoung Choi