BATTERY MODULE

The disclosure relates to a battery module and the technical field of energy storage. The battery module comprises: a frame having an accommodation space; and a plurality of batteries successively arranged in the accommodation space in a thickness direction of the battery, wherein a partition is arranged between adjacent batteries, wherein the partition has a compressibility and a coefficient of compressibility δat a pressure equal to or smaller than 2 MPa, which meets a relation C×δ≤A×0.2, wherein Cis an initial thickness of the partition, and Ais an initial thickness of the battery.