H01M10/6555

Battery pack
11509006 · 2022-11-22 · ·

A battery pack includes a plurality of cells, a refrigerant pipe, a plurality of cooling members, and a restraining unit. Each of the cooling members includes a plate-shaped portion interposed between the cells, and a contact portion jutting out from between the cells and contacting the refrigerant pipe. The restraining unit includes a pair of restraining members and a support member supporting the pair of restraining members, the pair of restraining members restraining opposite ends of the plurality of cells arranged with the plurality of cooling members interposed. The cooling members include one or more first cooling members and one or more second cooling members, the one or more second cooling members having a heat capacity higher than the one or more first cooling members and having a greater contact area with the refrigerant pipe than the one or more first cooling members.

BATTERY MODULE AND BATTERY INCLUDING THE SAME
20230057993 · 2023-02-23 ·

A battery module including: a battery cell stack that includes a plurality of battery cells; a housing accommodating the battery cell stack; a pair of end plates covering front and rear surfaces, respectively, of the battery cell stack and coupled to the housing; a heat sink positioned below a bottom portion of the housing, and at least two cooling ports connected to the heat sink. Each of the end plates includes: a first mounting portion positioned between a side end portion of the end plate and at least one of the at least two cooling ports adjacent to the side end portion, and extending in a protrusion direction of an electrode lead protruding from the battery cell; and a second mounting portion positioned between two adjacent cooling ports of the at least two cooling ports, and extending in the protrusion direction of the electrode lead protruding from the battery cell.

BATTERY MODULE AND BATTERY INCLUDING THE SAME
20230057993 · 2023-02-23 ·

A battery module including: a battery cell stack that includes a plurality of battery cells; a housing accommodating the battery cell stack; a pair of end plates covering front and rear surfaces, respectively, of the battery cell stack and coupled to the housing; a heat sink positioned below a bottom portion of the housing, and at least two cooling ports connected to the heat sink. Each of the end plates includes: a first mounting portion positioned between a side end portion of the end plate and at least one of the at least two cooling ports adjacent to the side end portion, and extending in a protrusion direction of an electrode lead protruding from the battery cell; and a second mounting portion positioned between two adjacent cooling ports of the at least two cooling ports, and extending in the protrusion direction of the electrode lead protruding from the battery cell.

HEAT INSULATION SHEET FOR BATTERY PACK, AND BATTERY PACK
20220367937 · 2022-11-17 · ·

To provide a heat insulation sheet for a battery pack that has a good shape retention property and can maintain an excellent heat insulation property even when vibration or pressure is applied, and a battery pack in which a heat insulation sheet for a battery pack is interposed between battery cells. A heat insulation sheet (10) of the present invention is a heat insulation sheet for a battery pack, the heat insulation sheet being interposed between battery cells in a battery pack in which a plurality of battery cells is connected in series or in parallel. The heat insulation sheet (10) includes: a first heat insulation material (21) containing a silica nanoparticle; and a second heat insulation material (22) containing a plate-shaped particle containing a silica component and having a curved surface.

HEAT INSULATION SHEET FOR BATTERY PACK, AND BATTERY PACK
20220367937 · 2022-11-17 · ·

To provide a heat insulation sheet for a battery pack that has a good shape retention property and can maintain an excellent heat insulation property even when vibration or pressure is applied, and a battery pack in which a heat insulation sheet for a battery pack is interposed between battery cells. A heat insulation sheet (10) of the present invention is a heat insulation sheet for a battery pack, the heat insulation sheet being interposed between battery cells in a battery pack in which a plurality of battery cells is connected in series or in parallel. The heat insulation sheet (10) includes: a first heat insulation material (21) containing a silica nanoparticle; and a second heat insulation material (22) containing a plate-shaped particle containing a silica component and having a curved surface.

LIGHT WEIGHT THERMAL RUNAWAY AND EXPLOSION RESISTANT AEROSPACE BATTERY

An aerospace battery may include a housing and a battery pack core. The housing may include a thin dual layer casing. The battery pack core is disposed in the housing and may include at least one cell district that includes a plurality of pouch cell batteries. A ceramic material may surround the at least one cell district and a closed cell foam may fill open space between the ceramic material and the housing.

VEHICULAR BATTERY PACK AND RELATIVE ASSEMBLY METHOD
20220367960 · 2022-11-17 ·

Vehicle battery pack comprising a support structure comprising, in turn, at least two elongated perimeter members facing one another and defining, between them, a box portion; several bulkheads arranged so to divide the box portion delimiting at least two housings, wherein the bulkheads are arranged transversely to the two perimeter elements facing one another; a plurality of planar, electrically connected electrochemical cells parallel both to one another and to the bulkheads and divided into at least two modules, wherein said at least two modules each comprise at least two insertion plates arranged at the ends of each module, parallel to the bulkheads, and configured to facilitate the insertion of each module under compression into the respective housing, so that the compression remains even after the insertion.

CONTROL UNIT, VEHICULAR BATTERY PACK AND RELATIVE ASSEMBLY METHOD
20220367930 · 2022-11-17 ·

Control unit for a vehicle battery pack comprising at least one module provided with a plurality of electrochemical cells carried on board a support structure; the control unit comprising a planar support substrate made of an at least partially insulating material; a plurality of sensor elements; wherein the sensors elements are arranged, on the support substrate, in two rows so as to be each positioned, once the unit is installed on board the vehicle battery pack, in the area of a respective terminal pole of each electrochemical cell; wherein the sensor elements comprise at least one voltage sensing device, which comprises at least two conductor and elastically deformable contact element, which are configured to be elastically compressed between the planar support substrate and the respective terminal pole.

CONTROL UNIT, VEHICULAR BATTERY PACK AND RELATIVE ASSEMBLY METHOD
20220367925 · 2022-11-17 ·

Control unit for a vehicle battery pack comprising at least one module provided with a plurality of electrochemical cells carried on board a support structure of the vehicle battery pack; the control unit comprising a planar support substrate made of an at least partially insulating material; a plurality of sensor elements configured to control the operating parameters of the electrochemical cells of the module; wherein at least part of the sensors elements are arranged in two rows so as to be each positioned, once the unit is installed on board the vehicle battery pack, in the area of a respective terminal pole of each electrochemical cell; wherein the sensor elements comprise at least one infrared temperature sensor.

Battery module

A battery module includes a cell unit, including a plurality of battery cells disposed on both surfaces of a unit plate, and a case accommodating the cell unit and provided with a cooling device on at least one surface of the case. The unit plate includes a plurality of receiving spaces formed by a plate portion, having a flat surface, and a side portion protruding upwardly and downwardly of the plate portion from both sides of the plate portion. The plurality of battery cells are received in each of the receiving spaces.