| 摘要 |
Provided is a rechargeable lithium battery that includes a positive electrode including a positive active material; a negative electrode including a negative active material; a separator interposed between the positive electrode and the negative electrode; and an electrolyte solution, wherein the positive active material includes lithium metal oxide and a compound represented by the following Chemical Formula 1 and coated on a surface of the lithium metal oxide, and the separator includes a porous substrate and a coating layer including ceramic and disposed on at least one side of the porous substrate.
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ [Chemical Formula 1]€ƒ€ƒ€ƒ€ƒ€ƒLi 1+x Al x M 2-x (PO 4 ) 3
In Chemical Formula 1, M is at least one metal selected from Ti, Cr, Ga, Fe, Sc, In, Y, Mg, and Si, and 0<x‰¤0.7. |
