Abstract: A battery includes a first battery cell and a second battery cell, a buffer member, and a temperature collection member provided in a stacked manner; the buffer member is provided between the first battery cell and the second battery cell and/or is provided on a side of the first battery cell away from the second battery cell; the temperature collection member is provided between the first battery cell and the buffer member for collecting a temperature of the first battery cell; the temperature collection member is of a sheet structure, and a thickness direction of the temperature collection member is parallel to a stacking direction of the first battery cell and the second battery cell.

Abstract: A battery module includes a cell assembly, a testing member, and a first component. The cell assembly includes a plurality of battery cells, each of which includes a battery cell housing and electrode terminals. The electrode terminals are located on a first side of the battery cell housing. The testing member includes a detection portion, a first connecting portion, and a second connecting portion. The first connecting portion is connected to the detection portion and the second connecting portion, the detection portion is disposed between the battery cell housings, and the second connecting portion is configured to be connected to a circuit board. The first component is provided with a first opening, at least a part of the detection portion is located in the first opening, and the first connecting portion extends out of the first opening from a second side of the battery cell housing.

Abstract: A battery pack includes a battery, a first structural member, and a sampling assembly. The battery includes a battery shell and an electrode assembly arranged in the battery shell. The battery shell includes a bottom wall, a side wall and a top wall arranged in a first direction, and the side wall is connected to the bottom wall and the top wall. The first structural member covers at least part of the side wall. The first structural member has a first opening, and part of the surface of the side wall is exposed to the first opening. The sampling assembly includes a first sampling part, and the first sampling part is connected to a side wall through a first opening.

Abstract: A battery module includes a battery pack and a first conductive member. The first conductive member includes a first connecting part, a first functional part, and a second connecting part located at a side of the battery pack and connected in sequence, and the first connecting part is electrically connected to the battery pack. The first functional part includes a first part and a first protrusion. The first part connects the first connecting part and the second connecting part. The first protrusion extends from the first connecting part towards the second connecting part along a second direction. The first protrusion is apart from both the first part and the second connecting part, enabling the first functional part to be more easily blown.

Abstract: A battery module includes a battery cell assembly and a first circuit board. A plurality of battery cells in the battery cell assembly are arranged in a first direction. The first circuit board and the battery cell assembly are arranged in the first direction. A first conductive member of the first circuit board is disposed on a path of a main circuit of the battery module, and the first conductive member is configured to be disconnected in response to squeezing of the battery cell assembly. With the above-described structure, when excessive expansion of the battery cells is caused by overcharging or other abnormalities of the battery module, the first conductive member is squeezed by expansion of the battery cell assembly in the first direction to disconnect the first conductive member and cut off the main circuit.

Abstract: A battery pack includes a housing assembly, and a cell module and a first electrical connection portion accommodated in the housing assembly. The cell module includes a plurality of battery cells stacked in a first direction. The housing assembly includes a first wall and a second wall disposed opposite to each other in the first direction, the housing assembly is provided with an opening. The first electrical connection portion includes a first part and a second part, where the first part is electrically connected to the plurality of battery cells. The first part has a first edge, and the second part is connected to the first edge and disposed within the housing assembly. The second part is configured to connect to an external testing apparatus. The second part has a length greater than a distance between the first edge and the first wall in the first direction.

Abstract: A connector including a first insulator and a second insulator disposed along a first direction, and a plurality of conductive pieces spaced apart between the first insulator and the second insulator. Each conductive piece includes a first connecting portion and a second connecting portion. Both the first connecting portion and the second connecting portion are configured to be connected to other conductive pieces. The second connecting portions of the plurality of conductive pieces are spaced apart along a second direction.

Abstract: A battery module includes multiple cells and a bracket. The multiple cells are stacked along a first direction. Each cell includes a first terminal and a second terminal. The bracket includes multiple groups of through-holes. Each group of through-holes includes a first terminal through-hole and a second terminal through-hole. The first terminal and the second terminal of a same cell pass through the first terminal through-hole and the second terminal through-hole in a same group of through-holes. The multiple groups of through-holes include a first group of through-holes, a second group of through-holes, and third groups of through-holes. Along the first direction, a distance D1 between the first terminal through-hole in the first group of through-holes and the second terminal through-hole in a third group of through-holes adjacent to the first group of through-holes is greater than a distance D3 between two adjacent third groups of through-holes.

Abstract: A battery pack is disclosed, including a cover plate, a cell module, a second resin layer, a battery pack housing, and an insulation assembly. The cell module is accommodated in the battery pack housing and fixed by the second resin layer. The cell module includes a plurality of cells. Each of the cells includes a first end and a second end disposed opposite to each other along a first direction. The insulation assembly is disposed at second ends of at least two of the cells. The insulation assembly and the second ends of the at least two cells form a first space. The first space communicates with a clearance between the at least two cells. The insulation assembly closes off one side of the first space. The insulation assembly and the first space form an exhaust passage. The exhaust passage communicates with an outside of the battery pack.

Abstract: A battery pack includes a cell module, a covering, a first resin layer, and at least one first structural member. The cell module includes a plurality of cell assemblies stacked along a first direction, a first surface, a second surface, a first lateral face and a second lateral face, a first region and a second region located on two sides of the covering respectively along a second direction. The covering includes a first section, a second section, and a third section. The first section covers at least a part of the first lateral face. The second section covers at least a part of the second lateral face. The third section covers the first surface. The first resin layer is disposed in the first region. The first structural member is disposed between two adjacent cell assemblies to partition the two adjacent cell assemblies.

Abstract: A battery module including a cell assembly and a first circuit board. The cell assembly includes a plurality of battery cells. The plurality of battery cells are connected to the first circuit board. The plurality of battery cells include a first battery cell and a second battery cell, and the first battery cell is inclined with respect to the second battery cell. The first circuit board is disposed between the first battery cell and the second battery cell, the first circuit board is inclined with respect to the first battery cell, and the first circuit board is inclined with respect to the second battery cell. In the battery module, the space inside a battery is sufficiently utilized by disposing the first circuit board in the space between the first battery cell and the second battery cell, thereby effectively improving an energy density.

Abstract: A battery pack includes: a housing, in which an accommodation space is made available; a cell module, accommodated in the accommodation space, and including a plurality of stacked cells, each cell comprises a cell housing, a first tab and a second tab, and the tabs extend out of the accommodation space; an adapter board, disposed on the cell module, where the first tab and the second tab are welded onto the adapter board; a circuit board, where the circuit board is arranged adjacent to the adapter board; a first connecting strip, one end is connected to the first tab, another end is connected to a positive input end of the circuit board; and a second connecting strip, one end is connected to the second tab, another end of is connected to a negative input end of the circuit board.

Abstract: A battery including a housing and a cell assembly disposed inside the housing, and the cell assembly includes a plurality of stacked cell units. The cell assembly further includes a fastening band, a first separator, and a fixing plate. The fastening band is disposed on an exterior surface of the cell assembly and is configured to limit an external expansion volume of the cell assembly. The first separator and the fixing plate are disposed on two opposite side surfaces of the cell assembly along a stacking direction of the cell units and are located on an exterior surface of the fastening band, and the first separator is sandwiched between the fastening band and the fixing plat.

Abstract: A battery pack with a pressure relief structure, including a housing provided with an accommodating cavity; a cell assembly accommodated in the accommodating cavity; a spacer arranged between a first side of the cell assembly and the housing and provided with an air vent; a pressure relief part arranged on the housing, the pressure relief part being in contact with the spacer or an air channel being formed therebetween; and glue, filled in a gap between at least partial regions outside the first side of the cell assembly and the housing and used for fixing the cell assembly and the housing. The battery pack is provided with the spacer with the air vent, the spacer is arranged between the first side of the cell assembly and the housing.