Lithium battery gasket

The lithium battery gasket comprises a first heat dissipation ring, a second heat dissipation ring and a circular gasket body, the first heat dissipation ring is symmetrically provided with first containing grooves in a penetrating mode, the first containing grooves are arc-shaped grooves, and first liquid injection holes are symmetrically and evenly distributed in the first heat dissipation ring; according to the lithium battery heat dissipation device, the first heat dissipation ring and the second heat dissipation ring are arranged, heat of a lithium battery is dissipated, the heat conduction and heat dissipation performance of the second heat dissipation ring can be improved through the heat conduction block arranged on the outer wall of the second heat dissipation ring, and the heat of the lithium battery is better dissipated; the first heat dissipation ring is arranged on the lithium battery, good heat dissipation protection is carried out on the lithium battery, the first containing groove formed in th