Abstract: A battery cell includes a housing and an insulator. The housing is provided with a pressure relief area, and the pressure relief area is configured to release pressure inside the battery cell. The insulator wraps around the housing and covers the pressure relief area. The insulator is provided with a weak part, and the weak part is configured to be broken when the pressure relief area opens.

Abstract: A battery cell includes a casing, an electrode assembly, an end cover assembly and a support member. The casing has an opening. The electrode assembly has a main body and tabs protruding from the main body. The electrode assembly is accommodated in the casing. The end cover assembly covers the opening. The support member is located in the casing, and the tabs are bent around the support member. In the above, the support member is connected to the end cover assembly, to fix the support member. The battery cell is provided therein with the support member, and the tabs are bent around the support member. In addition, the support member is connected to the end cover assembly.

Abstract: A load-stabilizing apparatus includes a base, a load-connecting member configured to carry a load, a connecting assembly connected to the load-connecting member, a stabilizing motor connected to the base and configured to drive the connecting assembly to move, an elastic member connected to at least one of the connecting assembly or the load-connecting member, and configured to provide an elastic force to the at least one of the connecting assembly or the load-connecting member, and an adjustment member configured to adjust at least one of a direction or a magnitude of the elastic force provided by the elastic member before a relative movement between the load-connecting member and the base.

Abstract: A housing of a battery includes a support plate and a plurality of side beams. The side beams are connected to the support plate and enclose with the support plate to form an accommodating space. At least one of the side beams includes a beam body and a buffer portion. The buffer portion is provided to protrude from the beam body toward the accommodating space and extend in a length direction of the beam body. The buffer portion is located on a side of the beam body away from the support plate.

Abstract: An electric apparatus includes an apparatus body having a mounting space and a battery pack mounted in the mounting space. The battery pack includes a box and a battery cell. The box has an accommodating cavity for accommodating the battery cell and includes a bearing member for defining the accommodating cavity. One side of the bearing member is configured to be connected to the battery cell, and the other side of the bearing member back away from the side faces the inside of the mounting space and a thermal insulation layer is provided between the other side and an inner wall of the mounting space. The bearing member on the box for connecting the battery cell is disposed facing a floor, such that the bearing member is no longer exposed to the outside, which prevents heat of the battery pack from dissipating directly to the outside through the bearing member.

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 cell includes an electrode assembly, a first electrode terminal, and a second electrode terminal. The electrode assembly includes a body portion, where a first tab, a second tab, and an auxiliary tab are led out of the body portion. The first tab and the auxiliary tab are both electrically connected to the first electrode terminal, and the second tab is electrically connected to the second electrode terminal. The first tab and the auxiliary tab are both electrically connected to the first electrode terminal to increase a current flow area of the tab electrically connected to the first electrode terminal.

Abstract: A battery cell includes an electrode assembly, a support member, and a conductive member. The electrode assembly has a main body part and a tab, and along first direction, the tab protrudes from one end of main body part. The tab is bent around the support member. In second direction, the tab includes a bent part located on one side of support member, and second direction is perpendicular to first direction. The conductive member is connected to the tab. The tab also includes a fixed area connected to the conductive member. In first direction, the fixed area is located on the side of support member facing away from the main body part.

Abstract: Disclosed are a filter production method and a filter, which relate to the technical field of wireless communication. In the above, the filter production method includes: providing a substrate structure; producing and forming a line structure on at least one side of the substrate structure, wherein the line structure includes at least one line layer, and at least one of the line layers has at least one inductor element; and producing and forming a capacitor structure and/or a resonator structure on the side of the at least one line layer close to the substrate structure and/or away from the substrate structure, wherein the capacitor structure includes at least one capacitor element, and the resonator structure includes at least one acoustic resonator. On the basis of the above method, the problem of relatively large integrated size existing in filters produced according to the prior art can be improved.

Abstract: The present application relates to a top cover assembly and a secondary battery. The top cover assembly includes: a top cover plate including a lead-out hole and an inside surface forming the lead-out hole; an electrode terminal including a cylindrical portion penetrating the lead-out hole and an annular flange, the annular flange extending beyond the inside surface along the lead-out hole; a sealing ring including a barrel portion and a ring portion, surrounding the cylindrical portion by the barrel portion. The ring portion includes a first ring body and a second ring body distributed in the radial direction; an insulating member including a connecting portion and an extension portion, and the connecting portion seals the second ring body; a portion of the insulating member beyond the second ring body forms the extension portion, and in the radial direction, the extension portion extends beyond the annular flange.

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: A shell assembly includes: a shell component, including an inner surface and an outer surface arranged oppositely, and a first through-hole penetrating the inner surface and the outer surface; an insulating member, at least partially located on the outer surface of the shell component, wherein the insulating member includes a second through-hole communicated with the first through-hole; an electrode terminal, installed in the first through-hole and the second through-hole to insulate and isolate from the shell component through the insulating member; and a flow blocking component, wherein the flow blocking component is configured to block liquid from entering the gap between the shell component and the electrode terminal through the gap between the insulating member and the shell component.

Abstract: The present disclosure belongs to the technical field of heat exchangers, and provides a heat exchanger based on a Gyroid/Diamond (GD-type) hybrid minimal surface-based disturbance structure. The heat exchanger includes a core, headers, and flanges. The core includes a cold fluid channel and a hot fluid channel, the cold fluid channel and the hot fluid channel are separated by a parting sheet. An inlet and an outlet of the cold fluid channel are separated from an inlet and an outlet of the hot fluid channel by sealing bars. A GD-type hybrid minimal surface-based disturbance structure is inserted into the hot fluid channel. A cold fluid and a hot fluid are distributed in a cross-flow manner.

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 present disclosure provides a battery cell, a battery and an electrical equipment. The battery cell includes: a shell, including a first wall; an electrode assembly, arranged inside the shell; an electric energy extraction part, arranged inside the shell and connected to the electrode assembly; a pressure relief mechanism, arranged on the first wall; and a support member, arranged inside the shell, wherein the support member is configured to limit the electric energy extraction part from blocking the pressure relief hole formed by the pressure relief mechanism in the event of thermal runaway of the battery cell.

Abstract: Provided are battery cell, battery, and electric device. The battery cell includes a casing and a pressure relief mechanism. The casing is provided therein with an accommodating space configured to accommodate an electrode assembly, wherein the casing is provided with a mounting hole in communication with the accommodating space, and the mounting hole is provided with a first hole wall surface extending along a circumferential direction of the mounting hole. The pressure relief mechanism is arranged in the mounting hole, wherein an outer peripheral surface of the pressure relief mechanism is welded to the first hole wall surface. The casing is provided with a first annular groove, and the first annular groove surrounds an outer side of the first hole wall surface; and/or the pressure relief mechanism is provided with a second annular groove, and the first hole wall surface surrounds an outer side of the second annular groove.

Abstract: A pressure relief device includes a pressure relief portion, a weak portion and a weld mark portion. The weak portion is arranged at the pressure relief portion and configured to crack when pressure is relieved from the battery cell. The weld mark portion is arranged at the pressure relief portion and configured to anneal the weak portion when the weld mark portion is formed. The weld mark portion is arranged on the pressure relief portion of the pressure relief device.

Abstract: This application provides a current collecting member and a secondary battery. The current collecting member includes a substrate and a support plate, the substrate is disposed on a side of a body of the electrode assembly in the transverse direction and extends in a direction perpendicular to the transverse direction, the support plate extends from an outer end of the substrate in the longitudinal direction and folds back to a side of the substrate farther from the body. The support plate includes a bending portion and a connecting portion, the bending portion is connected to the substrate and bent into an arc shape, and the connecting portion extends from an end of the bending portion farther from the substrate; and a first tab of the electrode assembly is connected to the connecting portion and bent along a surface of the bending portion.

Abstract: Embodiments of this application provide an end cover assembly, a battery cell, a battery, and an electric apparatus, where the end cover assembly includes an end cover and a pressure relief component, the end cover is provided with a recessed groove section recessed toward the inside of the battery cell, the pressure relief component is disposed within the groove section, and a top surface of the pressure relief component, facing away from the inside of the battery cell, has a distance to the groove bottom of the groove section that is less than or equal to the depth of the groove section. Thus, the pressure relief component does not protrude from the top surface of the end cover, thereby not occupying additional space in the height direction of the battery cell.

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.