Abstract: Provided are battery cell, battery, and electrical device. Battery cell includes casing, electrode assembly, electrode terminal, and sealing component. Casing is provided with wall portion, and electrode assembly is accommodated inside shell. Electrode terminal is arranged on wall portion. Electrode terminal is provided with stepped hole. Along thickness direction of wall portion, electrode terminal is provided with first surface farthest from electrode assembly. Stepped hole includes first hole segment and second hole segment continuously arranged. First hole segment is arranged on first surface, and second hole segment is arranged on a side of first hole segment closer to electrode assembly. Sealing component is at least partially positioned within second hole segment, and sealing component is welded to electrode terminal, forming welding portion at welding location. First hole segment is configured to accommodate at least part of welding portion so that welding portion does not protrude from first surface.

Abstract: A battery cell, a battery, and an electrical apparatus are described. The battery cell comprises a shell, an electrode assembly, an insulating member and a support member. The electrode assembly is accommodated in the shell and comprises an electrode main body and a tab, the tab being led out from an end of the electrode main body. The insulating member is accommodated in the shell and is attached to the peripheral side surface of the electrode main body, and the insulating member is provided with an opening. The support member is used for supporting the electrode assembly and covering the opening. The battery cell provided by the present application helps to improve the deformation consistency of parts in the electrode assembly, and reduces the risk of lithium plating of the electrode assembly, thus improving the safety performance of the battery cell.

Abstract: Provided are end cover, battery cell, battery and electrical device. An end cover is configured to close an opening of housing of battery cell, wherein the end cover includes an abutting portion and a first convex portion. The abutting portion includes an abutting surface, wherein the abutting surface is configured to abut against one end of the housing provided with the opening. The first convex portion is connected to the abutting portion and protrudes from the abutting surface. The first convex portion is configured to extend into the housing. The groove is arranged on the abutting surface, and the groove is arranged around the first convex portion. An external peripheral surface of the first convex portion is connected to the abutting surface through the groove wall surface of the groove.

Abstract: A battery cell includes a shell, an electrode terminal, and a blocking member. The shell includes a wall portion having a lead-out hole. The electrode terminal includes an insertion portion and a flange portion connected in an axial direction of the electrode terminal. The insertion portion is in the lead-out hole, the flange portion is at the side of the insertion portion away from the inside of the shell in a radial direction of the electrode terminal, an outer peripheral surface of the flange portion is partially beyond an outer peripheral surface of the insertion portion, and the electrode terminal has a recessed portion arranged in the axial direction. The blocking member blocks the recessed portion and includes a body that covers the side of the flange portion away from the insertion portion and connected to the flange portion. The battery cell is electrically connected externally through the blocking member.

Abstract: Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: a shell including a plurality of side plates that enclose an end opening of the shell; an electrode assembly arranged in the shell; and an end cap arranged at the end opening, the end cap including a plurality of edge portions that are fixedly connected to an end surface of the end opening and respectively correspond to the plurality of side plates, wherein the plurality of side plates include a first side plate and a second side plate with different thicknesses, and the plurality of edge portions include a first edge portion corresponding to the first side plate and a second edge portion corresponding to the second side plate.

Abstract: Disclosed are a battery cell, a battery, and an electric apparatus. The battery cell includes: a housing having an opening; and an end cover assembly for closing the opening, where the end cover assembly includes an electrode terminal. An electrode assembly, an adapter, and an insulating member are also disposed in the housing. The electrode assembly includes an electrode tab, the adapter is configured to electrically connect the electrode tab and the electrode terminal, and the insulating member is configured to insulate the adapter from the housing. The battery cell, the battery, and the electric apparatus provided in this application can mitigate the thermal failure of the battery cell caused by thermal diffusion during the use of the battery cell, thereby improving the safety performance of the battery cell and the battery to which the battery cell is applied.

Abstract: Provided are a battery cell, a battery and an electricity consumption device. The battery cell includes: an electrode assembly which includes a body portion and a tab extending from the body portion; a housing configured to accommodate the electrode assembly and provided with a first opening; a first end cover configured to cover the first opening; and a tab support located between the first end cover and the body portion and configured to support the tab, wherein the first end cover is provided with a first clamping structure, the tab support is provided with a second clamping structure, and the first clamping structure is clamped with the second clamping structure. By means of the technical solutions in the embodiments of the present application, the reliability of the battery cell can be improved.

Abstract: Provided are a battery cell, battery, and electrical device, relating to the technology field of batteries, which include a shell, an electrode assembly, and an end cap. The shell is provided with an opening; the electrode assembly is accommodated within the shell; the end cap is arranged at one end of the shell along a first direction and closing the opening, wherein the end cap include a cover body and a connecting part; the connecting part is arranged around an outer side of the cover body; and the connecting part is sealingly connected to the shell. Along the first direction, the cover body is provided with a first outer surface away from the electrode assembly; the first outer surface is a surface of the end cap farthest from the electrode assembly; and the connecting part is closer to the electrode assembly than the first outer surface.

Abstract: An end cover includes: a cover body and a reinforcing portion. The cover body is configured to close an opening of a case of the battery cell, and the cover body has a first surface along a thickness direction of the cover body. The reinforcing portion protrudes from the first surface, and the reinforcing portion is configured to reinforce the cover body.

Abstract: A battery cell includes a shell, an electrode terminal, an electrode assembly, a current collector component, and an insulating member. The shell has a wall portion, and electrode terminal is provided on the wall portion. The electrode assembly is located inside the shell, and has a first tab. The current collector component is connected to the first tab and the electrode terminal. The insulating member is installed between the current collector component and the wall portion, and is used to insulate and isolate the current collector component and the wall portion. Along the thickness direction of the wall portion, the insulating member has a first surface facing and closest to the current collector component, and the projection of the outer edge of the current collector component is located within the first surface.

Abstract: A battery shell, a battery cell, a battery and an electrical device are provided. The battery shell has an accommodation cavity, the accommodation cavity includes a bearing bottom wall, a plurality of side walls and inner corner portions, and each inner corner portion is connected between the bearing bottom wall and the corresponding side walls, where the inner corner portions are provided with receding grooves in a concave manner.

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: 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: The present application relates to a battery cell, a battery, a power consumption apparatus, and a manufacturing method and device of a battery cell. The battery cell includes: a shell comprising a wall part; an electrode assembly disposed within the shell; and an insulating member disposed between the electrode assembly and the wall part to isolate the wall part from the electrode assembly in an insulating manner. The insulating member is configured to elastically support the electrode assembly to buffer vibration of the electrode assembly within the shell.

Abstract: The present application provide a connection component, a battery cell, a battery, and an electric device. The connection component includes a body, a convex portion, a concave portion and a gap control portion, and the body includes a first surface and a second surface opposite to each other in a thickness direction thereof; and the gap control portion is configured to be when the associated connection component is stacked on the other connection component, said gap control portion is in contact with said the other connection component, so as to control a dimension of a gap D between the two connection components to be greater than 0.6H, wherein H is the height of the convex portion protruding from the first surface. According to the connection component provided by the present application, the gap between two adjacent connection components can be controlled when material is stuck.

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: 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 relates to a battery cell, a battery, a power consumption apparatus, and a manufacturing method and device of a battery cell. The battery cell includes: a shell comprising a wall part; an electrode assembly disposed within the shell; and an insulating member disposed between the electrode assembly and the wall part to isolate the wall part from the electrode assembly in an insulating manner. The insulating member is configured to elastically support the electrode assembly to buffer vibration of the electrode assembly within the shell.

Abstract: The disclosure relates to the method of lyophilizing RNA and mixing with a liquid LNP solution, e.g., to make an RNA vaccine or therapeutic. Included are methods for preparing and administering the vaccine or therapeutic.