H01M50/291

Capacitance reducing battery submodule with thermal runaway propagation prevention and containment features

A battery system includes a can with a lip around an opening. At least an interior surface of the can is anodized and the lip of the can includes a longer and shorter side. The can further includes a flange on the longer side of the lip and a plurality of layers that are inserted into the can. The plurality of layers includes a battery cell and a thermally conducting layer with a fin and the fin has a spring force that pushes the fin towards the anodized interior surface. The battery system further includes a lid that is configured to cover the opening of the can, where the flange is configured to wrap around the lid when the lid covers the opening of the can.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME
20230216161 · 2023-07-06 ·

A battery module includes a housing having an internal space; a cell stack accommodated in the internal space and including a plurality of battery cells and a plurality of heat blocking members stacked therein; a busbar assembly including a busbar frame opposing at least one side surface of the cell stack, and a plurality of busbars coupled to the busbar frame and electrically connected to the plurality of battery cells, wherein at least one of the plurality of heat blocking members includes an extension portion inserted into the busbar frame and preventing an electrical short circuit between the plurality of busbars.

Rechargeable battery

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells.

Rechargeable battery

Battery core packs employing minimum cell-face pressure containment devices and methods are disclosed for minimizing dendrite growth and increasing cycle life of metal and metal-ion battery cells.

POWER STORAGE MODULE

A power storage module includes: a first power storage cell and a second power storage cell placed to be adjacent to each other, the first power storage cell and the second power storage cell each including a housing having a top face and external terminals provided on the top face; and a spacer having an insulating property and placed between the housings adjacent to each other. The spacer includes a discharge portion via which liquid reaching the spacer from above is discharged to outside the spacer.

POWER STORAGE MODULE

A power storage module includes: a first power storage cell and a second power storage cell placed to be adjacent to each other, the first power storage cell and the second power storage cell each including a housing having a top face and external terminals provided on the top face; and a spacer having an insulating property and placed between the housings adjacent to each other. The spacer includes a discharge portion via which liquid reaching the spacer from above is discharged to outside the spacer.

Energy storage apparatus

An energy storage apparatus, which includes a plurality of energy storage devices, includes: a bus bar which connects the energy storage devices to each other; a wiring; a wiring positioning member, which includes a plurality of guide portions; and a connector holding member, wherein a part of the plurality of guide portions positions the connecting holding member, and wherein an other part of the plurality of guide portions forms a path of the wiring.

Energy storage apparatus

An energy storage apparatus, which includes a plurality of energy storage devices, includes: a bus bar which connects the energy storage devices to each other; a wiring; a wiring positioning member, which includes a plurality of guide portions; and a connector holding member, wherein a part of the plurality of guide portions positions the connecting holding member, and wherein an other part of the plurality of guide portions forms a path of the wiring.

BATTERY PACK AND ELECTRIC VEHICLE
20220416343 · 2022-12-29 ·

This application relates a battery pack and an electric vehicle. The battery pack includes a housing provided with a bottom surface and a top surface. A battery assembly is arranged in the housing. The battery assembly includes a structural reinforcing member and a cell sequence formed by connecting multiple cells. An outer surface of the cell includes a bottom surface, a top surface, first lateral surfaces, and two opposing second lateral surface. The bottom surface of the cell faces the bottom surface of the housing, and the top surface of the cell faces the top surface of the housing. The first lateral surface has a largest area. The multiple cells are arranged with second lateral surfaces thereof facing each other to form the cell sequence, and the structural reinforcing member is fixedly bonded with a first lateral surface of each cell in the cell sequence. The battery assembly abuts with the bottom surface of the housing to be supported in the housing.

BATTERY MODULE INCLUDING COIN CELLS AND METHOD OF MANUFACTURING SAME
20220416366 · 2022-12-29 ·

A battery module includes a cell structure configured with a plurality of coin cell arrays each including a plurality of stacked coin cells, the plurality of coin cell arrays being arranged in an aligned manner in a transverse direction of the battery module. First and second bus bars may be arranged on both sides, respectively, of the cell structure and make an electrical connection to each array. First and second end plates may be arranged on a side surface of the first bus bar and the second bus bar, respectively. First and second covers may be arranged in front of and behind, respectively, the cell structure, with which the first and second end plates, respectively, may be combined, and which cover the front and the rear sides, respectively, of the cell structure.