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|1. (WO2018121285) BATTERY PACK|
|Applicants:||CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
The present application relates to the field of storage devices, and specifically relates to a battery pack, comprising a box body, a plurality of battery module group securing mechanisms, a cover plate, and a plurality of battery module groups, the box body comprising a bottom surface and side walls, the side walls being perpendicular to the bottom surface and being arranged to encircle the bottom surface, each battery module group comprising a plurality of battery modules, the battery modules comprising a main side face and a narrow side face, the battery modules being stacked along the direction perpendicular to the main side face, the stacking direction also being perpendicular to the bottom surface, the main side face positioned uppermost in each battery module group being covered by the cover plate, and each battery module group securing mechanism securing all of the battery modules in the same battery module group and the cover plate covering said battery module group to the bottom surface. The battery pack provided in the embodiments of the present application greatly increases the utilisation of battery pack space, increasing energy density.