A power storage device includes: a modular structure including at least one power storage module, the power storage module having an electrode stacked body and a sealing member, the electrode stacked body having bipolar electrodes, and the sealing member sealing a side surface of the electrode stacked body; a pair of restraint members disposed at both ends of the modular structure in the first direction to apply a restraint load to the modular structure; and a first intermediate member interposed between the restraint member and the modular structure to transmit the restraint load from the restraint member to the modular structure, wherein the first intermediate member includes a first package that is deformable according to the restraint load and a fluid that is enclosed in the first package.

A power storage device includes: a modular structure including at least one power storage module, the power storage module having an electrode stacked body and a sealing member, the electrode stacked body having bipolar electrodes, and the sealing member sealing a side surface of the electrode stacked body; a pair of restraint members disposed at both ends of the modular structure in the first direction to apply a restraint load to the modular structure; and a first intermediate member interposed between the restraint member and the modular structure to transmit the restraint load from the restraint member to the modular structure, wherein the first intermediate member includes a first package that is deformable according to the restraint load and a fluid that is enclosed in the first package.

A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame for housing the battery cell stack; and a metal sheet positioned between the battery cell stack and the module frame.

One embodiment provides an electronic device, including: a battery pack stack comprising at least two battery packs; wherein the battery pack stack comprises at least one cumulative heat reducing component positioned between the at least two battery packs. Other aspects are described and claimed.

One embodiment provides an electronic device, including: a battery pack stack comprising at least two battery packs; wherein the battery pack stack comprises at least one cumulative heat reducing component positioned between the at least two battery packs. Other aspects are described and claimed.

A rechargeable battery pack, which has: a thin compact layer or skin (9) of matrix (4) on the surfaces of contact of the latter with the outer walls (8a) of the batteries (2) and the inner walls (8b) of the container (3), which promotes the heat dissipation from the batteries to the outside of the battery pack (1); and portions (10) of foamed or expanded matrix (4), which fill the empty spaces between the batteries and the walls of the container and which are suitable for reducing the total weight of the battery pack (1) compared with a compact non-foamed matrix.

In comparison with the prior art embodiments, the invention allows a rechargeable battery pack to be produced that combines a lower weight with the thermal conductivity values required to dispose of the heat generated in the battery recharge phase.

A battery assembly for an electronic vaporization device includes: a battery core; a connection element; a circuit board electrically connected to the battery core by the connection element; and a heat isolation structure disposed around the circuit board, the heat isolation structure isolating the battery core from heat generated by the circuit board.

A battery module including: a battery cell stack including a plurality of battery cells, a housing for the battery cell stack, and a heat conductive pad located between the upper part of the housing and the battery cell stack. The heat conductive pad has a recessed pattern corresponding to a first end part of the plurality of battery cells on a surface facing the battery cell stack.

A battery module including: a battery cell stack including a plurality of battery cells, a housing for the battery cell stack, and a heat conductive pad located between the upper part of the housing and the battery cell stack. The heat conductive pad has a recessed pattern corresponding to a first end part of the plurality of battery cells on a surface facing the battery cell stack.

A battery module for a traction battery of an electric vehicle is disclosed. The battery module includes a heat transfer surface for tempering cells of the battery module and at least one cavity disposed between partial surfaces of the heat transfer surface for receiving excess heat conductive material.