Abstract: A battery cell includes: an electrode assembly; and a housing, configured to accommodate the electrode assembly. An injection hole is created on a first wall of the housing. The electrode assembly includes a body portion. An orthographic projection of an opening, close to an interior of the housing, of the injection hole is staggered from an orthographic projection of the body portion on the first wall.

Abstract: An end cover assembly includes a first cover plate, a second cover plate and an anti-rotation device. The first cover plate is configured to close a first housing, the second cover plate is configured to close a second housing, the second cover plate and the first cover plate are arranged opposite to each other in a first direction, and the anti-rotation device is configured to prevent a relative rotation between the first cover plate and the second cover plate. The battery cell includes the end cover assembly.

Abstract: A battery cell includes a housing, a first end cover assembly, a second end cover assembly and an electrode assembly. Openings are provided on ends of the housing opposite to each other. The first end cover assembly and the second end cover assembly are configured to respectively cover two openings of the housing. The electrode assembly includes a body part, a first tab and a second tab. The first tab extends from a first end face of the body part facing the first end cover assembly and is configured to be connected with the first end cover assembly. The second tab extends from a second end face of the body part facing the second end cover assembly and is configured to be connected with the second end cover assembly.

Abstract: The application provides an electrode assembly, a battery cell, a battery and an electric device. The electrode assembly includes a main body and at least one electrode tab. The electrode tab includes a plurality of sub electrode tabs extending from an end of the main body and arranged in stacked layers. The plurality of sub electrode tabs are connected by welding and forming a welding portion. The welding portion includes a thinned region. A thickness of the thinned region is less than a maximum thickness of the welding portion. The production efficiency and yield of batteries can be enhanced.

Abstract: Some embodiments provide cell, a battery and an electricity consuming device. The battery cell includes a shell, a pressure relief mechanism, an electrode assembly and an insulating member. The pressure relief mechanism is disposed on the shell. The electrode assembly is accommodated within the shell. The insulating member is accommodated within the shell, at least a portion of the insulating member is located between the pressure relief mechanism and the electrode assembly, and a portion of the insulating member located between the pressure relief mechanism and the electrode assembly is provided with a first weak portion.

Abstract: Provided are a battery cell, a battery and an electrical device. The battery cell comprises an electrode assembly, a shell, a pressure relief mechanism and a support plate; the pressure relief mechanism is arranged on the first side plate and is configured to be actuated when the internal pressure of the battery cell reaches a first threshold, so as to release the internal pressure; the support plate is arranged between the first side plate and the electrode assembly; the support plate is provided with a weak portion which is opposite to the pressure relief mechanism in the thickness direction of the first side plate; the shape of the weak portion is the same as that of the outline of the pressure relief mechanism, and the external dimension of the weak portion is not greater than the dimension of the outline of the pressure relief mechanism.

Abstract: A housing of a battery cell has an opening at an end in a first direction and includes a first side plate, a second side plate and a first connection plate. The first side plate and the second side plate are arranged in a circumferential direction of the opening, the first connection plate is connected between the first side plate and the second side plate, and at least a part of the first connection plate is arcuate. The first side plate includes a first plate portion, a second plate portion and a third plate portion, the second plate portion is connected between the first plate portion and the first connection plate, and the third plate portion is located at a side of the first plate portion close to the opening.

Abstract: A battery cell, a battery, and an electrical apparatus are provided. The battery cell includes a housing, a pressure relief mechanism and a protective member. The housing is provided with a stepped hole communicating with the interior of the housing, the stepped hole includes a first hole section and a second hole section which are arranged in a first direction, and the first hole section is located on the side of the second hole section facing away from the inside of the housing. The pressure relief mechanism and the protective member are respectively arranged in the second hole section and the first hole section, and the protective member covers at least a portion of the pressure relief mechanism.

Abstract: A battery cell includes a housing, an electrode assembly, and an isolation member. The housing is provided with an electrode lead-out member. The electrode assembly is accommodated in the housing, where the electrode assembly includes a body portion and a tab led out of an end face of the body portion. At least a portion of the isolation member is disposed between the electrode lead-out member and the end face of the body portion, where the isolation member is provided with a channel, and the tab passes through the channel and is electrically connected to the electrode lead-out member.

Abstract: A battery cell, a battery and an electricity-consuming apparatus are provided by the present application. The battery cell includes a casing and a pressure relief mechanism; the casing includes a first wall provided with a through hole; the pressure relief mechanism is arranged on the first wall, and at least a portion of the pressure relief mechanism is located in the through hole.

Abstract: A battery cell includes a housing and a cover. The housing is provided with an opening and a chamber. The housing includes an opening part and a body part, where the opening part surrounds the opening and the body part surrounds the chamber. The cover is connected to the opening part and closes the opening. At least a partial region of the body part is recessed relative to the opening part to form a recessed zone, a thickness of the recessed zone being less than that of the opening part.

Abstract: The present disclosure relates to a battery cell, a battery and an electric-powered device, and the battery cell includes: an electrode assembly; a shell adapted for receiving the electrode assembly; and a cap assembly adapted for closing an opening of the shell, wherein the shell includes a first wall and two second walls opposite each other, the first wall is adapted to connect the two second walls, the first wall has a wall thickness greater than that of the second wall, the first wall is provided with a pressure relief mechanism, and the pressure relief mechanism is adapted to be activated so as to release the pressure when a gas pressure inside the shell reaches a threshold.

Abstract: This application relates to an adapter assembly, a battery cell, a battery, and an electrical device. The adapter assembly includes: a current collecting component, including a terminal connecting portion, a fuse portion, and a tab connecting portion, where the fuse portion is connected between the terminal connecting portion and the tab connecting portion; and an insulation protection component, wrapping the fuse portion. The insulation protection component is configured to keep a fixed relative position between the terminal connecting portion and the tab connecting portion when the fuse portion is blown. A first mating portion is formed on at least one surface of the fuse portion in a thickness direction. At least a part of one of the first mating portion or the insulation protection component protrudes along the thickness direction and is embedded inside the other of the first mating portion or the insulation protection component.

Abstract: A top cover assembly of a battery cell, a battery cell, and a battery module. The top cover assembly of the battery cell includes: a separator plate and a top cover assembly. The separator plate is provided with sampling channel(s) for accommodating a sampling member. The top cover plate is configured for sealing an electrode assembly of the battery cell into the battery housing, where the top cover plate is provided below the separator plate, and the separator plate is fixed to the top cover plate.

Abstract: The present application provides a battery cell and a manufacturing method and manufacturing system, a battery, and a power consumption apparatus. The battery cell includes an electrode assembly, a housing, a pressure relief mechanism and a cover assembly. The housing is provided with an accommodating space for accommodating the electrode assembly, and the housing includes a first side plate located on a side in a first direction; the pressure relief mechanism is disposed on the first side plate; and the cover assembly is configured for sealing the housing, where an inner surface of the first side plate of the housing is provided with a first flow channel extending along the inner surface, and the first flow channel is configured to guide a gas in the accommodating space to the pressure relief mechanism so that the pressure relief mechanism is actuated when a pressure reaches a threshold, and relieve the pressure.

Abstract: A battery cell includes a pressure relief body, a pressure relief mechanism, and a protective member. The pressure relief mechanism is arranged on the pressure relief body. At least a part of the protective member is located on a side of the pressure relief mechanism away from an interior of the battery cell, and covers the pressure relief mechanism. The pressure relief mechanism includes an opening portion configured to, in response to an internal pressure or temperature of the battery cell reaching a threshold value, be opened and destruct the protective member to release the pressure when.

Abstract: The present application provides a secondary battery, which includes a first electrode assembly, a second electrode assembly, a case, and a top cap assembly. The top cap assembly includes a top cap plate and a first electrode terminal, the top cap plate is connected to the case, and the first electrode terminal is arranged on the top cap plate. The first electrode assembly includes a first body and first tabs extending from the first body, and the first tabs are multiple and stacked. The second electrode assembly includes a second body and second tabs extending from the second body, and the second tabs are multiple and stacked. An end of each of the second tabs that is away from the second body is a second end portion. Each of the first tabs includes a first connecting portion extending beyond the second end portion.

Abstract: An electrode assembly is provided and includes: a first electrode sheet comprising a first flat and straight portion and a first tab connected to an end portion of the first flat and straight portion along a first direction; a second electrode sheet comprising a second flat and straight portion, the first flat and straight portion and the second flat and straight portion being stacked along a second direction perpendicular to the first direction; a first separator and a second separator, the first separator comprising a first separation portion, a first bent portion and a first extension portion, and the second separator comprising a second separation portion, wherein the first separation portion and the second separation portion are positioned on both sides of the second flat and straight portion along the second direction respectively, and separate the first flat and straight portion from the second flat and straight portion.

Abstract: The present application provides a battery cell and a manufacturing method and manufacturing system, a battery, and a power consumption apparatus. The battery cell includes an electrode assembly, a housing, a pressure relief mechanism and a cover assembly. The housing is provided with an accommodating space for accommodating the electrode assembly, and the housing includes a first side plate located on a side in a first direction; the pressure relief mechanism is disposed on the first side plate; and the cover assembly is configured for sealing the housing, where an inner surface of the first side plate of the housing is provided with a first flow channel extending along the inner surface, and the first flow channel is configured to guide a gas in the accommodating space to the pressure relief mechanism so that the pressure relief mechanism is actuated when a pressure reaches a threshold, and relieve the pressure.

Abstract: The present application relates to a top cap assembly, a secondary battery, a battery module, and a device. The top cap assembly includes a top cap plate, having electrode lead-out hole; an electrode terminal, arranged at the top cap plate and covering the electrode lead-out hole; a current collecting member, in which the current collecting member includes a convex portion having an accommodating cavity, at least part of the convex portion is arranged in the electrode lead-out hole, and welded and connected to the electrode terminal to form a welding portion facing the accommodating cavity, and the current collecting member has a connecting hole; an insulating protection member, in which the insulating protection member is arranged at a side of the current collecting member away from the electrode terminal, and the insulating protection member includes a shielding portion and a connecting portion connected with the shielding portion.