Patent ID: 11962027
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery, comprising:
a box body, comprising a first wall and a second wall, and the second wall is connected to the first wall and extends upward;
a battery module, being arranged in the box body and located above the first wall, the battery module comprises a battery cell arrangement structure and an end plate, the battery cell arrangement structure comprises a plurality of battery cells arranged along a first direction of a length direction of the battery module, the end plate is arranged between the second wall and the battery cell arrangement structure, and the end plate is fixedly connected to the battery cell arrangement structure; and
wherein a restraint surface is arranged on the second wall, the restraint surface is configured to abut against the end plate to restrict the end plate from moving upward; and the end plate is configured to be capable of moving towards the second wall when the battery cell arrangement structure expands, to provide expansion space for the battery cell arrangement structure;
wherein the end plate is provided with a restraint protrusion, and an upper surface of the restraint protrusion is configured to abut against the restraint surface to restrict the end plate from moving upward;
wherein the upper surface of the restraint protrusion has a gap with the restraint surface in an up and down direction and the restraint protrusion is located below the restraint surface when the battery cell arrangement structure is not expanded.