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: 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: 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.

Abstract: Embodiments of this application provide a battery column, a battery module, and an apparatus. The battery column includes a housing, and first battery cells and second battery cells that are alternately distributed side by side along a first direction in the housing, where the first battery cell includes a first metal case and a first insulating film, the first metal case has two first side surfaces disposed opposite each other along the first direction, and the first insulating film covers at least the two first side surfaces; and the second battery cell includes a second metal case, which is exposed in the housing.

Abstract: A battery cell includes a housing, an electrode assembly, and a pressure relief mechanism. The electrode assembly is accommodated inside the housing. The pressure relief mechanism is arranged in the housing. The pressure relief mechanism includes a weakened portion, a body portion, and a connecting portion. The weakened portion is configured to be damaged to release a pressure inside the housing when the pressure reaches a threshold. The body portion is located in a region enclosed by the weakened portion, and the connecting portion is located on an outer side of the weakened portion and is configured to be welded to the housing. The body portion is provided with a first groove, and the first groove is configured to release a stress when the connecting portion is welded to the housing.

Abstract: The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a shell, an electrode assembly, and a first insulating member. The shell has a wall. The electrode assembly is accommodated in the shell and includes a main body and a tab. The tab protrudes from one end of the main body in a thickness direction of the wall. The first insulating member is accommodated in the shell, the first insulating member includes an insulating body and a limit portion, the insulating body is disposed between the wall and the electrode assembly in the thickness direction of the wall, the limit portion is connected to the insulating body, and at least a portion of the limit portion is located between the main body and the shell in a first direction, where the first direction is perpendicular to the thickness direction of the wall.

Abstract: Some embodiments of this application provide a battery cell, a battery, an electrical device, and a method and equipment for manufacturing a battery cell. The battery cell includes: a shell, where the shell includes an accommodation cavity and a first wall, and an injection port is created on the first wall; an electrode assembly, accommodated in the accommodation cavity; and a flow guide, disposed between the first wall and the electrode assembly. The flow guide includes a liquid collection tank. An opening of the liquid collection tank is oriented toward the first wall. A through-hole is created on a bottom wall of the liquid collection tank. The liquid collection tank is configured to collect an electrolyte solution injected through the injection port. The electrolyte solution in the liquid collection tank flows to the electrode assembly through the through-hole.

Abstract: A battery cell includes a housing, a first electrode component, a second electrode component, a first electrode terminal, and a second electrode terminal. The first electrode component and the second electrode component are accommodated within the housing and arranged along a first direction, and the first electrode component is insulated from the second electrode component. The first electrode terminal is arranged within the housing and electrically connected to the first electrode component to lead out electrical power from the first electrode component. The second electrode terminal is arranged within the housing and electrically connected to the second electrode component to lead out electrical power from the second electrode component.

Abstract: A battery cell includes a case, a first battery cell, and a second battery cell, the first battery cell being arranged inside the case, the first battery cell including a first main body part, a first electrode lead-out component extending from a first side of the first main body part, and a second electrode lead-out component extending from a second side of the first main body part, the first side and the second side being arranged oppositely, the second battery cell being arranged inside the case, the second battery cell including a second main body part, a third electrode lead-out component extending from a third side of the second main body part, and a fourth electrode lead-out component extending from a fourth side of the second main body part, and the third side and the fourth side being arranged oppositely.

Abstract: A battery cell includes: a housing; a plurality of electrode assemblies, accommodated in the housing; and a pressure relief mechanism, disposed on a first wall of the housing and located at a position on the first wall, where the position is opposite to a middle region between two adjacent electrode assemblies among the plurality of electrode assemblies, and the pressure relief mechanism is configured to release an internal pressure of the battery cell when the internal pressure of the battery cell exceeds a threshold.

Abstract: A battery cell includes a case, a first battery cell, and a second battery cell, the first battery cell being arranged inside the case, the first battery cell including a first main body part and a first electrode lead-out component extending from a first side of the first main body part, the second battery cell being arranged inside the case, and the second battery cell including a second main body part and a second electrode lead-out component extending from a second side of the second main body part, wherein the first side of the first main body part and the second side of the second main body part are adjacent and arranged oppositely, the first electrode lead-out component includes a first connection surface inclined with respect to the first direction, and the second electrode lead-out component includes a second connection surface inclined with respect to the first direction.

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: This application relates to a secondary battery, a battery column, and an apparatus. The secondary battery includes a top cover plate, having an outer surface and an inner surface disposed opposite each other in a thickness direction of the top cover plate and an electrode lead-out hole extending along the thickness direction; a pole, disposed in the electrode lead-out hole, where the pole includes a first metal layer and a second metal layer, and the first metal layer and the second metal layer are stacked along a direction from the inner surface to the outer surface; an insulation member, disposed between the top cover plate and the pole; and a first bonding layer, disposed between the insulation member and the first metal layer, where the insulation member is hermetically connected to the first metal layer through the first bonding layer.

Abstract: Embodiments of this application provide a battery cell, a battery, and an apparatus using a battery, where the battery cell includes: a housing with an opening; and an end cover covering the opening. The housing and the end cover are welded together to form a fusion zone. The end cover is provided with a first stress-relieving groove on an inner surface. The first stress-relieving groove is configured to recess from the inner surface of the end cover in a direction leaving the inside of the battery cell, so as to relieve stress produced by welding of the housing and the end cover. The technical solutions provided in the embodiments of this application can enhance safety performance of batteries.

Abstract: The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate, an electrode terminal, a fixing member and a connection member. The cap plate includes an electrode lead-out hole, the electrode terminal includes a terminal board, the terminal board is located at a side of the cap plate and covers the electrode lead-out hole, the fixing member at least partially surrounds the terminal board to fix the terminal board to the fixing member, the connection member is separated from the electrode terminal by the fixing member, and the connection member is connected with the cap plate. The connection member includes a main body, the main body is provided with a first groove opened downwardly along a top of the main body, and a part of the fixing member is located in the first groove.

Abstract: A pressure relief mechanism is provided. The pressure relief mechanism is disposed on a housing plate of a battery cell, and including: a connecting portion, located in a peripheral region of the pressure relief mechanism, and configured to connect to the housing plate; a first part, where one end of the first part is connected to the connecting portion, and the other end of the first part extends obliquely toward an interior of the battery cell; a fragile portion, connected to the extending end of the first part; and a second part, taking a shape that protrudes toward the interior of the battery cell. An outer edge region of the second part is connected to the fragile portion. When an internal temperature or gas pressure of the battery cell is less than a preset value, the fragile portion is squeezed and pressed by the first part and/or the second part.

Abstract: An end cover assembly, a battery cell and an electrolyte injection method therefor, a battery, and a power consumption device are provided. The end cover assembly may include an end cover provided with a through hole for injecting an electrolyte and an accommodating portion; a seal configured to seal the through hole; and a cover body covering at least part of the seal, the cover body including a limiting portion, the limiting portion being located within the accommodating portion to restrict the cover body from separating from the end cover, and the cover body being movable together with the seal by movement of the limiting portion relative to the accommodating portion, wherein when the cover body moves to a first position, the seal covers the through hole, and when the cover body moves to a second position, the seal avoids the through hole.

Abstract: A sealing assembly for sealing a through hole, and a method and device for preparing a battery cell are provided. The sealing assembly comprises: a sealing sleeve provided in the through hole and having a cavity and an opening that is in communication with the cavity; an elastic sleeve tube provided in the cavity and having a first mounting hole that extends in an axial direction of the through hole; and a central rod, which is provided in the first mounting hole and is in threaded connection with the elastic sleeve tube to enable the elastic sleeve tube to expand in a radial direction of the through hole to press the sealing sleeve and form, on an outer wall of the elastic sleeve tube, a raised portion that rivets the sealing sleeve to the through hole. The sealing assembly for sealing the through hole, and the method and device for preparing the battery cell according to the embodiments of the present application can improve the sealing performance on the through hole of the battery cell.

Abstract: An end cap assembly, a battery cell, a battery, and an electrical device are provided. The end cap assembly is applicable to a battery cell. The end cap assembly includes: an end cap body; a pressure relief component, connected to the end cap body, where a first through-hole configured to inject an electrolytic solution is made on the pressure relief component, and the pressure relief component is configured to be actuated when an internal pressure of the battery cell reaches a threshold, so as to release the internal pressure of the battery cell; and a closing component, detachably disposed on the pressure relief component, where the closing component is configured to close the first through-hole.