摘要:
Disclosed is a rechargeable lithium battery including: a positive electrode; a negative electrode including a negative current collector including a copper foil having elongation of about 5% to about 10% and a particle size of about 1 μm to about 20 μm, and a negative active material layer provided on the negative current collector; and an electrolyte solution.
摘要:
A silicon alloy-based negative active material includes a particle including a core including a silicon alloy-based material, and a coating layer including an organic binder.