Abstract: An energy storage apparatus and an energy storage system. The energy storage apparatus includes a box, a functional component, and a battery. The box includes a battery compartment and a functional compartment, where at least a portion of the functional compartment is located above the battery compartment along a gravitational direction; the battery is accommodated in the battery compartment; and the functional component is accommodated in the functional compartment and is at least partially located above the battery.

Abstract: A power battery pack and a vehicle are provided. The power battery pack includes: a tray and an upper cover, where the tray includes a side frame and a bottom plate, and the upper cover and the bottom plate are respectively connected to upper and lower ends of the side frame to define a battery accommodating cavity; and a plurality of cells, where the plurality of cells are mounted in the battery accommodating cavity, one surface of each of the cells and the upper cover are bonded by a structural adhesive, and the other opposite surface of the cell and the bottom plate are bonded by a thermally conductive structural adhesive.