Abstract: The present disclosure relates to a battery unit and a battery module, the battery unit includes an electrode assembly, including a main body portion and a tab; two electrode terminals; and two current collecting members respectively connecting the tabs on both sides of the main body portion with the respective electrode terminals; the current collecting member includes a guiding plate and a supporting plate, the guiding plate is located on one side of the main body portion along the length direction, a reinforcement portion is arranged on the guiding plate and is configured to reduce the deformation of the guiding plate towards the main body portion; and the supporting plate is connected to an end of the guiding plate along the width direction, the tab is bent relative to the length direction and connected to the supporting plate. The battery unit can reduce the bending deformation of the guiding plate.

Abstract: Embodiments of this application provide an end cap assembly, a battery cell, a battery, and an electrical device. The end cap assembly may be applicable to the battery cell. The end cap assembly may include: an end cap; and an end cap patch attached to the end cap. At least one through-hole may be made on the end cap patch. The through-hole may be configured to be filled with a heat transfer structure. The end cap may exchange heat with the outside through the heat transfer structure so as to regulate a temperature inside the battery cell.

Abstract: An end cover assembly may include an end cover and an electrode terminal. The end cover may have an abutting surface. A terminal assembly may include the electrode terminal and a connector, where the connector may be configured to connect the electrode terminal and the end cover so as to fix the electrode terminal to the end cover, and the connector abuts against the abutting surface. The abutting surface may be provided with a concave portion recessed in a thickness direction of the end cover, and the concave portion may be configured to accommodate a part of the electrode terminal.

Abstract: Embodiments of the present application provide a battery cell. The battery cell may include: a casing having an accommodating space; an electrode assembly accommodated in the accommodating space, the electrode assembly comprising electrode plates; and a heat-conducting structure configured to be directly connected to the electrode plates and the casing to conduct heat from the electrode assembly to the casing.

Abstract: In some embodiments, the battery cell includes a shell, including an opening; an electrode unit, accommodated in the shell, the electrode unit including a main body portion and a tab portion protruding from the main body portion; a cap assembly, for connecting with the shell, and covering and closing the opening; and a first insulating member, accommodated in the shell and adapted to isolate at least part of the main body portion from the shell, the first insulating member including a first insulating plate, and the first insulating plate being disposed on a side of the main body portion facing the cap assembly and being attached to the main body portion. The first insulating member can insulate at least part of the main body portion from the shell.

Abstract: An embodiment of the present application provides a battery cell, a battery, a power consumption device, and a manufacturing equipment and method for a battery cell. The battery cell includes a housing, an electrode assembly, an end cover to cover the housing, and an electrode terminal installed on the end cover and electrically connected with the electrode assembly. The end cover includes a first body and a first convex portion, and the first convex portion extends from the first inner surface of the first body along a direction facing the electrode assembly, a position on the first body corresponding to the first convex portion is formed with a first concave portion recessed from the first outer surface opposite to the first inner surface along the direction facing the electrode assembly, the first concave portion is configured to accommodate the electrode terminal. The battery cell can effectively increase the battery capacity.

Abstract: This disclosure provides a secondary battery, including: a case including an opening; an electrode assembly disposed within the case and including a main body and two tabs, the two tabs being both disposed facing the case; and a cap assembly including a cap plate, a lower insulating member and an explosion-proof valve, the cap plate sealing the opening, the explosion-proof valve being disposed on the cap plate, the lower insulating member being disposed on a side of the cap plate close to the electrode assembly, the lower insulating member including an inner side surface facing the main body, an outer side surface facing the cap plate, and a concave portion recessed from the inner side surface toward the outer side surface, the concave portion being in position corresponding to the explosion-proof valve, and the concave portion being used to buffer expansion and deformation of the main body.

Abstract: This disclosure provides a secondary battery, including: a case; an electrode assembly disposed within the case and including a main body and two tabs; a cap assembly including a cap plate, a lower insulating member and an explosion-proof valve, the explosion-proof valve being disposed on the cap plate, the lower insulating member being disposed on a side of the cap plate close to the electrode assembly and including an inner side surface, an outer side surface, and a concave portion recessed from the inner side surface toward the outer side surface, the concave portion being in position corresponding to the explosion-proof valve, and the concave portion being used to buffer an expansion amount of the main body; and an insulating plate located on a side of the lower insulating member close to the electrode assembly and including a shielding segment which at least partially shields the concave portion.

Abstract: The present disclosure relates to a battery unit and a battery module, the battery unit includes an electrode assembly, including a main body portion and a tab; two electrode terminals; and two current collecting members respectively connecting the tabs on both sides of the main body portion with the respective electrode terminals; the current collecting member includes a guiding plate and a supporting plate, the guiding plate is located on one side of the main body portion along the length direction, a reinforcement portion is arranged on the guiding plate and is configured to reduce the deformation of the guiding plate towards the main body portion; and the supporting plate is connected to an end of the guiding plate along the width direction, the tab is bent relative to the length direction and connected to the supporting plate. The battery unit can reduce the bending deformation of the guiding plate.