| abstract |
(A), a conjugated diene-based copolymer (B), and an external crosslinking agent (C), wherein the external crosslinking agent (C) comprises the acrylic ester- Based on the total solid content of the conjugated diene-based copolymer (B), 0.01 to 10% by weight based on the total solid content of the conjugated diene-based copolymer (B), and an electrode and a lithium secondary battery having the same. |