| abstract |
The present invention relates to a non-aqueous electrolyte for a secondary battery and a secondary battery including same, and a secondary battery including a non-aqueous electrolyte for a secondary battery, according to the present invention, has improved life span at room temperature and output characteristics through the addition, to a non-aqueous electrolyte for a lithium ion secondary battery, of one or more types of additives selected from the group consisting of a compound represented by chemical formula 1 and metal salt represented by chemical formula 2. |