| 摘要 |
The present invention relates to a lithium secondary battery, which removes moisture from electrolyte by installing a moisture-absorbing material on the outer surface of an electrode assembly or the inner surface of a battery case. In the secondary battery of the present invention, the electrode assembly is built in the battery case, and a moisture-absorbing material is arranged on the outer surface of the electrode assembly or the inner surface of the battery case to absorb moisture from the electrolyte. |
