abstract |
The present invention relates to a heating device for a lithium secondary battery and a lithium secondary battery comprising the same, and specifically, a heating device for a lithium secondary battery including a supersaturated solution, a packaging material accommodating the supersaturated solution, and an operation means. It relates to a lithium secondary battery. According to the present invention, the cryogenic performance of the battery can be improved at cryogenic temperatures, and the battery can be effectively cooled at the time of overheating of the battery. |