Patent ID: 11929515
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. A battery pack, comprising:
a battery pack case comprising a bottom plate and a side plate connected to the bottom plate, wherein the bottom plate and the side plate surround to form an accommodating portion configured to accommodate a unit cell, a plurality of first grooves and a plurality of second grooves opening toward the accommodating portion are provided on the bottom plate, the plurality of first grooves are spaced apart from each other, the plurality of second grooves are spaced apart from each other, and the first grooves and the second grooves are arranged to cross each other; and
a plurality of battery assemblies provided in the accommodating portion and supported by the bottom plate, the plurality of battery assemblies are arranged side by side along a width direction of the bottom plate, and each of the battery assemblies comprises a plurality of unit cells arranged side by side in a length direction of the bottom plate,
wherein a surface of the bottom plate facing away from the accommodating portion is further provided with a plurality of first convex portions corresponding to the first grooves and a plurality of second convex portions corresponding to the second grooves.