Cooling system for bus bars, in particular cell connectors or module connectors of batteries, comprising a bus bar with a first connection area for a pole of a first battery, a second connection area for a connection of an electrical component, an insulation encasing the bus bar between the connection areas, wherein the bus bar is free of the insulation at least in the two connection areas, characterized in that on a side facing away from the pole of at least one of the connection areas, a gel-shaped heat conducting agent is applied directly to the surface of the bus bar.

Cooling system for bus bars, in particular cell connectors or module connectors of batteries, comprising a bus bar with a first connection area for a pole of a first battery, a second connection area for a connection of an electrical component, an insulation encasing the bus bar between the connection areas, wherein the bus bar is free of the insulation at least in the two connection areas, characterized in that on a side facing away from the pole of at least one of the connection areas, a gel-shaped heat conducting agent is applied directly to the surface of the bus bar.

The disclosure relates to a vehicular energy storage module, including an outer casing having two parallel first and second side walls, parallel upper and lower walls, and opposing first and second ends; a battery module housed inside the casing, the battery module including a plurality of battery cell groups, where each battery cell group includes at least two battery cells which are electrically interconnected to each other and arranged side-by-side between the side walls. The battery module comprises multiple heat pipes, wherein each heat pipe comprise parallel first and second heat pipe sections connected by intermediate sections at their respective ends. At least one heat pipe has a first heat pipe section electrically connected to the positive poles of a first battery cell group and a second heat pipe section electrically connected to the negative poles of an adjacent battery cell group. The heat pipes are arranged in contact with positive and negative poles of adjacent battery cell groups on opposite sides of the battery module; wherein the battery cell groups making up the battery module are connected in series.

A pouch cell according to the present disclosure can comprise a sealed pouch; a positive terminal emerging from the pouch through a longitudinal large upper edge; and a negative terminal emerging from the pouch through the large upper edge. The large upper edge of the side can have a longitudinal edge length. The positive terminal and the negative terminal together can have a longitudinal terminal length of more than 70%, preferably 80% or more, of the edge length.

A battery module includes a housing assembly, a cell assembly, a circuit board, and a first connecting member. The housing assembly includes a first side wall and a second side wall. The first side wall is provided with a first through hole. The second side wall is provided with a second through hole. The cell assembly is accommodated in the housing assembly. The cell assembly includes cells. Each cell includes an electrode terminal. The circuit board connects to the electrode terminal. The first connecting member connects to the circuit board. The first connecting member is disposed in the first through hole and the second through hole. The first connecting member is provided with a first channel. The first channel communicates with the first through hole and the second through hole.

A battery module according to one embodiment of the present disclosure includes a battery cell stack including a plurality of battery cells; a housing for the battery cell stack; and a pair of end plates for covering the front and rear surfaces of the battery cell stack, respectively, wherein electrode leads, each protruding from the plurality of battery cells, are formed on the front and rear surfaces of the battery cell stack; and a cooling block disposed between the electrode leads and the end plate.

A busbar for a battery pack, intended to electrically connect at least one electrochemical accumulator battery of the pack, preferably to electrically connect several electrochemical accumulator batteries of the pack to one another, including an electrically conductive and sealtight envelope itself intended to channel the current of the accumulator batteries and designed to contain a heat transfer liquid whose vaporization temperature is chosen so as to be between a value close to 90% of the self-heating temperature and a value close to 110% of the thermal runaway temperature of the accumulator batteries of the pack, the sealtight envelope being designed to guarantee an injection of heat transfer liquid as close as possible to each accumulator battery to which it is intended to be connected, preferably close to at least one of its output terminals.

Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, a module case configured to accommodate the plurality of battery cells, a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially, a laser sensor provided to the module case to measure a filling length of the thermal resin, and a control unit configured to control filling of the thermal resin based on the filling length information measured by the laser sensor.

Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, a module case configured to accommodate the plurality of battery cells, a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially, a laser sensor provided to the module case to measure a filling length of the thermal resin, and a control unit configured to control filling of the thermal resin based on the filling length information measured by the laser sensor.

Discussed is a battery pack including a high voltage (HV) wire assembly and a method for manufacturing the battery pack. The battery pack and the method provides improvement in an efficiency of an assembly process of the battery pack, and improvement in a safety of the battery pack. The battery pack includes a battery pack including: a tray; a plurality of battery modules mounted on the tray; a battery pack cover configured to cover the plurality of battery modules; a high voltage (HV) wire assembly formed between the plurality of battery modules and the tray; and a low voltage (LV) wiring formed on an upper surface of the plurality of battery modules, wherein the HV wire assembly includes an insulating substrate, and a bus bar electrically connecting the plurality of battery modules.