A battery module includes a battery stack, a bottom plate, end plates, and side plates. The battery stack includes battery cells that are arranged in a first direction. The bottom plate covers a bottom surface of the battery stack. The end plates respectively cover first ends of the battery stack. The first ends are disposed in the first direction. The side plates respectively cover second ends of the battery stack. The second ends are disposed in a second direction orthogonal to the first direction. Each of the side plates includes a first coupling protrusion protruding upward of the battery stack. The bottom plate includes a second coupling protrusion protruding downward of the battery stack.

A safety auxiliary system, coupled to a modular battery of an underwater vehicle having a number of modules, each provided with a plurality of cells, has: a first subsystem, which detects conditions indicative of a thermal runaway in any of the modules d manages such a thermal runaway, intervening locally on the module to cool the corresponding cells so that the thermal runaway is not propagated; and a second subsystem, cooperating with, and operatively coupled to, the first subsystem, which manages gases present in the module associated with the thermal runaway, preventing them from pouring inside the underwater vehicle. The first subsystem is provided with a first electronic control unit for each of said modules, and the second subsystem is provided with a second electronic control unit, distinct from, and operatively coupled to, the first electronic control unit through a communication connection, so as to receive an alarm signal upon detection of the conditions indicative of the thermal runaway in the corresponding module.

A safety auxiliary system, coupled to a modular battery of an underwater vehicle having a number of modules, each provided with a plurality of cells, has: a first subsystem, which detects conditions indicative of a thermal runaway in any of the modules d manages such a thermal runaway, intervening locally on the module to cool the corresponding cells so that the thermal runaway is not propagated; and a second subsystem, cooperating with, and operatively coupled to, the first subsystem, which manages gases present in the module associated with the thermal runaway, preventing them from pouring inside the underwater vehicle. The first subsystem is provided with a first electronic control unit for each of said modules, and the second subsystem is provided with a second electronic control unit, distinct from, and operatively coupled to, the first electronic control unit through a communication connection, so as to receive an alarm signal upon detection of the conditions indicative of the thermal runaway in the corresponding module.

A battery module includes a plurality of battery cells stacked on each other; a housing accommodating the plurality of battery cells and comprising a support member configured to support the plurality of battery cells and a cover member configured to cover the plurality of battery cells supported by the support member; and a heat sink configured to contact the support member. The support member may have a plurality of through-holes formed therein, and the plurality of through-holes may be filled with a thermal interface material.

A battery module includes a plurality of battery cells stacked on each other; a housing accommodating the plurality of battery cells and comprising a support member configured to support the plurality of battery cells and a cover member configured to cover the plurality of battery cells supported by the support member; and a heat sink configured to contact the support member. The support member may have a plurality of through-holes formed therein, and the plurality of through-holes may be filled with a thermal interface material.

The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

A pressure control valve structure includes a wall portion having a plurality of communication holes communicating with the internal space, a plurality of tubular portions surrounding the communication holes and extending outwardly from a wall surface of the wall portion as a proximal end, an elastic valve body disposed in each of the tubular portions and having a first end surface and a second surface opposite from the first surface, an outer peripheral wall surrounding the plurality of tubular portions collectively, and a cover fixed to the outer peripheral wall. The tubular portions are spaced from the cover. The tubular portions has an inner wall surface that includes an inclined surface that is inclined downwardly in a gravity direction from the proximal end of the tubular portion to a distal end of the tubular portion with a compression direction of the elastic valve body set extending horizontally.

A battery pack has bus bars at one end, freeing the other end of the battery pack for cooling or other arrangements. A plurality of battery cells has first terminals of the battery cells at first ends of the battery cells. Portions of second terminals of the battery cells are at the first ends of the battery cells. The first ends of the battery cells are in a coplanar arrangement. A plurality of bus bars is assembled proximate to the first ends of the battery cells. The bus bars are coupled to the first terminals and the second terminals of the battery cells at the first ends of the battery cells to place the battery cells in one of a series connection, a parallel connection or a series and parallel connection.

A support device for an electrical energy store for arrangement in a storage housing between at least two storage modules of the electrical energy store and for holding the storage modules, which can be fastened to both sides of the support device in the transverse direction, in the storage housing, includes: a beam for fastening to the storage housing, having a bearing face on which holding elements of the storage modules are to be placed; a clamping strip for arrangement on the bearing face of the beam and for clamping the holding elements of the storage modules; and fasteners for fastening the clamping strip to the beam. In an upper side of the clamping strip there are formed depressions which are arranged spaced apart from one another in the longitudinal direction of the support device and which are configured to receive the fasteners. The depressions form continuous channels in the transverse direction. An isolation strip is to be arranged on the upper side of the clamping strip and is designed to close the channels in order to prevent a thermal event of one storage module from being transmitted to another storage module located opposite in the transverse direction. The strip has two side parts which extend in the longitudinal direction and cover the depressions at the sides, and cover regions which cover the depressions on the upper side.