| 摘要 |
The present invention provides a lithium secondary battery electrolyte, particularly a lithium secondary battery electrolyte for an electric car, which contains 0.1-10 wt% of a compound represented by the following chemical formula 1 as an additive with respect to the total wt% of the electrolyte to restrict expansion of thickness at high temperatures after full charging to a level of 66% as compared with the case of not inputting the additive, and shows capacity storage characteristics at high temperatures after full charging with equal or greater performance as compared with the case of not inputting the additive. [Chemical formula 1]. |
