| abstract |
The present invention relates to a lithium secondary battery, the lithium secondary battery comprising a positive electrode comprising a positive electrode active material; A negative electrode including a negative electrode active material; A separator positioned between the anode and the cathode; And an electrolyte, wherein at least one of the positive electrode, the negative electrode, and the separator has an alkali metal coating layer formed on a surface thereof.n n n As described above, since the lithium secondary battery of the present invention has an alkali metal coating layer formed by a liquid coating process, it is excellent in safety and capacity and life in a simple and economical process.n n n n Alkali metal, lithium secondary battery, anode, irreversible |