Abstract: An end cover assembly comprises a first cover plate, a second cover plate, a first insulating member, and anti-rotation means, wherein the first cover plate is used to close a first case, the second cover plate is used to close a second case, and the second cover plate is provided opposite to the first cover plate along a first direction in order for the first case closed by the first cover plate and the second case closed by the second cover plate to be arranged along the first direction, the first insulating member is provided between the first cover plate and the second cover plate, and the anti-rotation means is provided between the first insulating member and the first cover plate and between the first insulating member and the second cover plate.

Abstract: This application provides a battery cell, a battery, and an electrical device, and enhances safety of the battery cell by improving the structure of the battery cell. The battery cell includes: a housing, on which an opening is created; an electrode assembly, accommodated in the housing; an electrode terminal, disposed on a bottom wall of the housing and connected to a tab of the electrode assembly, where the bottom wall is opposite to the opening; and a cover plate, connected to the housing and configured to fit and cover the opening.

Abstract: The embodiments of the application provide a battery cell, a battery and an electric device. The battery cell includes a housing, an electrode assembly and a detection member. The housing includes an accommodation cavity. The electrode assembly is received in the accommodation cavity. The detection member includes a sensor and a connector, the sensor is connected to the housing by the connector, and the sensor is used to detect status information of the battery cell and generate a signal, and the connector is used to transmit the signal. The sensor can detect the status information of the battery cell in real time, so as to regulate the battery cell based on the status information of the battery cell, improve a cycling performance of the battery cell, reduce a safety risk and extend a cycle life of the battery cell.

Abstract: This application discloses an end cover assembly, a battery cell, a battery, and an electric apparatus. The end cover assembly is applied to the battery cell, including an end cover and an electrode terminal. The end cover is provided with a lead-out hole. The electrode terminal is mounted on the end cover, a portion of the electrode terminal passes through the lead-out hole, and a bottom surface of the electrode terminal extends out of the lead-out hole and is used to be fixed to an adapting component of the battery cell by welding. According to the end cover assembly of this application, when the end cover assembly is applied to the battery cell and connected to the adapting component of the battery cell, the adapting component that facilitates removal of metal shavings can be used when the electrode terminal is fixed to the adapting component by welding.

Abstract: A battery cell, a battery and an electricity-consuming device are provided by the present application. The battery cell includes a casing, an electrode assembly, a detecting assembly and a protecting structure. The casing includes an accommodating chamber; the electrode assembly is accommodated in the accommodating chamber, the detecting assembly is connected to the casing and configured to detect a working condition of the battery cell; and the protecting structure covers at least a portion of a surface of the detecting assembly.

Abstract: A battery cell, a battery and an electricity-consuming device are provided by the present application. The battery cell includes a casing and at least one integrated circuit member. The casing includes an accommodating chamber. The integrated circuit member includes a detecting element that is configured to detect a working condition of the battery cell, and the integrated circuit member is arranged inside or outside the accommodating chamber.

Abstract: A battery cell includes a casing, an electrode assembly, a first insulating member and a second insulating member. The inner surface of a bottom wall of the casing is connected to the inner surface of a first side wall by a first arc transition surface; a first partition portion of the first insulating member separates the electrode assembly and the first side wall; the second insulating member separates the electrode assembly and the bottom wall; in the thickness direction of the second insulating member, the separator of the electrode assembly has a stacked part located between an electrode plate and the second insulating member; and the radius R1 of the first circular arc transition surface, the thickness a1 of the first partition portion, the thickness b of the stacked part and the thickness c of the second insulating member satisfy R1?(c+b)2+4(a1)2+[(a1)*(c+b)]1/2.

Abstract: Embodiments of the present application provide an end cover assembly of a battery cell, a battery cell, a battery and an electricity-consuming apparatus. The end cover assembly includes an end cover, a detecting assembly and an insulating member. The detecting assembly is arranged on the end cover and configured to detect a state information of the battery cell. The insulating member is attached to a surface of the end cover away from an electrode assembly of the battery cell, and provided with an avoiding structure which is configured to avoid at least a portion of the detecting assembly.

Abstract: This application provides an end cap, a battery cell, a battery, and an electrical device. The end cap includes a body portion and an edge portion. The edge portion is connected to the body portion and surrounds the body portion. The edge portion protrudes beyond the body portion along a first direction. The first direction is a thickness direction of the body portion. The edge portion includes a lap portion. The lap portion protrudes beyond the body portion along a second direction. The lap portion includes a first surface. The first surface is perpendicular to the first direction. The first surface is configured to lap a housing of the battery cell. The second direction is perpendicular to the first direction. The technical solutions of this application improve the sealing performance of the battery cell.

Abstract: Embodiments of the present application provide an end cover assembly of a battery cell, a battery cell, a battery and an electricity-consuming apparatus. The end cover assembly includes an end cover and a detecting assembly. The end cover is provided with a concave part on a side of the end cover away from an electrode assembly of the battery cell. The detecting assembly is configured to detect a state information of the battery cell, and at least a portion of the detecting assembly is accommodated in the concave part.

Abstract: A battery cell includes a shell, an electrode assembly, and a first insulating member. The shell has an opening and a bottom wall opposite to the opening. The electrode assembly is accommodated in the shell. The first insulating member is used for separating the electrode assembly and the bottom wall. The first insulating member is provided with a first through hole, and projections of the electrode assembly and the first through hole on the bottom wall partially overlap or do not overlap in a thickness direction of the bottom wall.

Abstract: The present application provides an end cap assembly, a battery cell, a battery and a power consuming device, and relates to the field of batteries. The end cap assembly comprises an end cap and a pressure relief mechanism. The end cap is provided with a pressure relief hole, and the pressure relief mechanism covers the pressure relief hole. The pressure relief mechanism is made of a polymer material. The pressure relief mechanism is provided with a weakened portion configured to crack when pressure is relieved from the battery cell. Due to the pressure relief mechanism made of a polymer material, not only can gas be steadily discharged from the battery cell when pressure is relieved from the battery cell, but external moisture can also be blocked from penetrating into the battery cell when the battery cell is in normal use, reducing the risk of short circuit of the battery cell.

Abstract: An exhaust apparatus, a battery cell, a battery, and an electric apparatus, are provided. The exhaust apparatus includes an exhaust body and an exhaust mechanism, where the exhaust mechanism includes a connection member and a ventilation member that are provided on the exhaust body, the connection member is configured to connect the exhaust body, the connection member is provided with a plurality of first through holes, the ventilation member covers the plurality of first through holes, and the ventilation member is configured to, when a pressure of gas inside a battery cell reaches a first threshold, exhaust the gas to the outside of the battery cell through the plurality of first through holes.

Abstract: The present application discloses a battery cell, a battery, and an electricity consuming apparatus. The battery cell includes a shell and a first detection assembly. The first detection assembly is disposed on the shell, and the first detection assembly is configured to detect status information of the battery cell. In the technical solution of embodiments of the present application, the first detection assembly is disposed in the battery cell, which can obtain the operating status information of the battery cell, monitor the battery cell, and find abnormal conditions of the battery cell during operation in a timely manner, thereby improving the operational stability of the battery cell and the safety of the battery.

Abstract: A battery cell, a battery and an electricity-consuming device are provided by the present application. The battery cell includes a casing and a connecting terminal. The casing includes a mounting hole. The connecting terminal is at least partially arranged in the mounting hole, insulated from the casing, and configured for information exchange between an interior and an exterior of the battery cell.

Abstract: A battery cell includes a housing, an electrode assembly, and a sealing member. The housing is provided with an electrolyte injection hole for injecting an electrolyte. The electrode assembly is accommodated in the housing. The sealing member includes a main body portion, a transition portion surrounding an outer side of the main body portion, and a connecting portion surrounding an outer side of the transition portion. The connecting portion is located on a side of the housing back away from the electrode assembly, at least part of the main body portion protrudes from a first surface of the connecting portion facing the housing and is accommodated in the electrolyte injection hole, and the connecting portion is connected to the housing to seal the electrolyte injection hole.

Abstract: The present application provides a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. The battery cell comprises: a housing, a first wall of the housing being provided with a liquid injection hole; a first electrode assembly and a second electrode assembly; an insulating structure arranged between the two electrode assemblies and comprising a second wall and a third wall; a first surface of the insulating structure facing the first wall is provided with a third through hole, the third through hole being used for guiding into the insulating structure an electrolyte injected through the liquid injection hole, so that the electrolyte in the insulating structure flows through the first through hole towards the first electrode assembly and flows through the second through hole towards the second electrode assembly.

Abstract: A battery cell, a cover assembly, a battery, an electricity-consuming apparatus, a method and a device of manufacturing the battery cell are provided by the present application. The battery cell includes an electrode assembly; a casing accommodating the electrode assembly, in which the casing includes a wall portion, the wall portion includes a stepped hole, the stepped hole includes a first hole segment, a second hole segment and a first stepped face; a sealing member, in which a first sealing interface is formed between the sealing member and the first stepped face, the first sealing interface surrounds the first hole segment, and the sealing member includes a ventilating hole communicating with the first hole segment; a gas-ventilating film including a body and a convex portion, in which the body covers the ventilating hole, a second sealing interface is formed between the body and the sealing member.

Abstract: The present application provides a battery top cover, a top cover assembly, a battery cell, a battery, and a power consuming device. The battery top cover includes: a cover body and at least one mounting hole formed on the cover body. The mounting hole is configured to receive a hot melt of an insulating member, the mounting hole has a bottom wall and a side wall connected to the bottom wall, an end of the side wall away from the bottom wall has an opening, and the bottom wall is provided with a first protrusion protruding toward the opening. The first protrusion is configured to contact with the hot melt in the insulating member, so that energy may be concentrated to the first protrusion during an ultrasonic hot melting process, enabling the hot melt to be melted quickly and filled into the mounting hole.

Abstract: Some embodiments of this application provide a battery cell, a battery cell manufacturing method and equipment, a battery, and an electrical device. The battery cell includes: a housing, where an opening is created at each of two ends of the housing in a first direction; an end cap, configured to cover the opening at either end of the housing; a first electrode assembly and a second electrode assembly, accommodated in the housing, where the first electrode assembly and the second electrode assembly are arranged along the first direction and insulated from each other; and an insulation structure, at least partially disposed between the first electrode assembly and the second electrode assembly, and configured to electrically isolate the first electrode assembly from the second electrode assembly.