Abstract: A battery module includes a cell pack, a first structure, and a first wiring harness, where the cell pack includes a plurality of cells; the first structure includes a first surface facing the cell pack, and a second surface facing away from the first surface; the first structure further includes a first conductor disposed on the second surface and electrically connected to the cell pack; when viewed along a first direction perpendicular to the second surface, the first structure has a portion overlapping with the cell pack; when viewed along the first direction, the first structure includes a first region connected to the cell pack, and the first conductor is disposed between a first end surface of the first structure and the first region; and the first wiring harness is connected to the first conductor.

Abstract: A battery pack includes a housing assembly, a cell assembly, a first circuit board, a first heat sink, a first structural member, and a first insulator. The cell assembly includes a cell. The cell includes a cell housing, an electrode assembly, and an electrode terminal connected to the electrode assembly and led out from the cell housing. The first circuit board is disposed in the housing assembly and connected to the electrode terminal. The first heat sink is disposed in the housing assembly. The first structural member is disposed between the first circuit board and the first heat sink. An outer surface of the first structural member is provided with an insulating material. At least a part of the first insulator is disposed between the first structural member and the first heat sink, and the first structural member and the first heat sink are bonded by the first insulator.

Abstract: A heating device includes at least two heat emitting bodies, at least one conductive portion, and an insulator. The plurality of heat emitting bodies are spaced apart along a first direction, with a clearance provided between two adjacent heat emitting bodies. The two adjacent heat emitting bodies are connected by the conductive portion. The conductive portion is separate from the clearance. The insulator overlays at least a part of a surface of the heat emitting body. In the heating device, a plurality of heat emitting bodies are spaced apart along the first direction, and a clearance is formed, thereby facilitating bending and deformation of the heating device in a clearance region between the adjacent heat emitting bodies. The conductive portion that connects the two adjacent heat emitting bodies is separate from the clearance.

Abstract: A battery pack includes a housing assembly, a cell assembly, a first circuit board, a support, and a thermally conductive member. The cell assembly is accommodated in the housing assembly. The cell assembly includes a plurality of cells. Each cell includes a cell housing, an electrode assembly disposed in the cell housing, and an electrode terminal connected to the electrode assembly and extending out of the cell housing. The electrode terminal runs through the first circuit board and is connected to a side of the first circuit board facing away from the cell housing. The support is connected to the first circuit board, where the first circuit board is disposed between the cell housing and the support. The support is provided with a first opening, and the thermally conductive member is disposed in the first opening. The thermally conductive member is connected to at least some of electrode terminals.

Abstract: A battery pack includes a housing and a cell assembly. The housing includes a first housing and a second housing. A first space is formed in the first housing. The first housing includes a plurality of sidewalls and a bottom wall connected to the plurality of sidewalls and form the first space. The cell assembly is accommodated in the first space. A first clearance is formed between the cell assembly and the plurality of sidewalls. A first through-hole is disposed on at least one of a sidewall or the bottom wall. The first through-hole extends through the sidewall or the bottom wall. The first through-hole is in communication with the first clearance. The first filler is detachably disposed in the first through-hole. A second clearance exists between the first filler and the first through-hole. The second clearance is configured to allow a gas to escape.

Abstract: A battery pack includes an upper shell, a lower shell, a battery cell assembly, a circuit board and a first component. The lower shell is provided with a battery cavity, the battery cell assembly is disposed in the battery cavity, the circuit board is connected to the battery cell assembly, the circuit board is located between the upper shell and the lower shell, the first component is provided with a first through hole running through the first component, the first through hole is located between the circuit board and the battery cell assembly, and the first through hole communicates with external air.

Abstract: A method for manufacturing a battery module, including: disposing an adapting plate on a battery cell assembly, and connecting the adapting plate to tabs of the battery cell assembly; providing a fastening frame, where the fastening frame is provided with an accommodating cavity, and the accommodating cavity accommodates the adapting plate and at least part of the battery cell assembly; and providing a filler in a gap between the inner side of the accommodating cavity and the battery cell assembly and a gap between the inner side of the accommodating cavity and the adapting plate.

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: An electrochemical apparatus includes a housing, a circuit board, and a battery module, where the housing includes a cover and a bottom shell, and the cover and the bottom shell form an accommodating cavity; the circuit board is provided in the accommodating cavity, and the circuit board includes a first electrical connection portion; the battery module is accommodated in the accommodating cavity, and the battery module includes a second electrical connection portion; and a first fastening member is provided on an inner side of the bottom shell, and fastens the first electrical connection portion and the second electrical connection portion. With the electrochemical apparatus, short circuits caused by vibrations, extrusions, and frictions of internal structures of the unmanned aerial vehicle using such electrochemical apparatus can be reduced.