A battery cell, a battery, and an electrical apparatus are described. The battery cell includes a case; an electrode assembly, the electrode assembly being provided with a tab; and a current collector plate including a first connecting plate and a second connecting plate that are connected, where…
A coating system and a coating method. The coating system determines a target reel to be wound based on state parameters of chucks for clamping reels in a winding apparatus; and when it is determined that current coating process parameters satisfy a reel change condition, the winding apparatus is…
A battery cell, a battery, and an electric device are provided. The battery cell includes a main body portion, a first tab, a first insulating adhesive, and a second insulating adhesive. The first tab is formed at an axial end of the main body portion. The first insulating adhesive is adhered to an…
Provided in the present application are a polymer, a preparation method therefor, a positive electrode sheet, a secondary battery, and an electrical device. The polymer includes a structure as represented by Formula I. X includes a phosphate group or a phosphite group, R1 and R3 each independently…
The energy storage system includes: one or more battery clusters, where the battery cluster includes a plurality of battery cells, and a dimension of the battery cluster along a first direction is greater than a dimension of the battery cluster along a second direction; and an enclosure configured…
A drive circuit () and an electrical apparatus () are disclosed. The drive circuit () includes a driving module () which is connected to a driving end of an active fuse () and configured to provide a constant current and a constant voltage. The active fuse () blows under the driving of the constant…
A battery cell, a preparation method therefor, a battery, and a power consuming apparatus. The battery cell includes a housing and an electrode assembly. The housing is provided with a terminal. The electrode assembly is arranged in the housing, and includes an active material coating portion and a…
A battery cell, a battery, and an electric device are disclosed. The battery cell includes a housing, a pressure relief mechanism, and a reinforcement member. The housing has a first wall portion, and the first wall portion is provided with a first groove. The pressure relief mechanism is disposed…
A battery cell includes a shell and a pressure relief component, the shell includes a first wall portion, the pressure relief component is disposed on the first wall portion, the pressure relief component includes a first groove and a second groove, the first groove and at least one second groove…
A battery cell, a battery and an electrical device, and relates to the technical field of batteries. The battery cell includes a shell and a pressure relief component; the shell includes a first wall portion; the pressure relief component is arranged on the first wall portion, a first weak portion…
A position adjustment apparatus, a battery swapping station, and a battery swapping method belong to the technical field of battery swapping. The position adjustment apparatus is configured for battery swapping of vehicles, and the position adjustment apparatus includes at least one position…
A fixing apparatus is configured to fix a battery cell preform and includes a first support base, a carrier, a clamping assembly, and a drive assembly. The carrier is disposed on top of the first support base. The clamping assembly is disposed on the first support base; and the clamping assembly…
The winding system has an electrode plate unwinding mechanism, a separator unwinding mechanism, a winding mandrel, a cutter, and an auxiliary wheel mechanism. The electrode plate unwinding mechanism is configured to unwind an electrode plate, the separator unwinding mechanism is configured to…
A secondary battery includes positive and negative electrode sheets, separator between the positive and negative electrode sheets, and electrolytic solution including organic solvent and lithium salt. The positive electrode sheet includes positive electrode current collector and positive electrode…
An energy storage apparatus and an energy storage system. The energy storage apparatus is configured to be connected to a power conversion system, where the power conversion system is capable of cooperating with M energy storage apparatuses, a rated output power of the power conversion system is P…
This application provides a case, a battery, and an electric device. The case includes a bottom plate having a composite plate and a heat exchange plate. The composite plate is made of a first material portion and a second material portion, and includes a first welding surface formed from the first…
This application relates to batteries and provides a battery cell, a battery, and an electric device. The electric device includes the battery, and the battery includes one or more battery cells. Each battery cell has a casing and an electrode assembly. At least part of the casing is made of steel…
A case assembly, a battery cell, a battery, and an electrical apparatus are provided. The case assembly includes a case, a first terminal post, and an insulating sealing structure. The case includes a first case wall, the first case wall being formed with a first accommodating groove, and a bottom…
A battery cell includes: a housing, where the housing forms an accommodating space; an electrode assembly, where the electrode assembly is disposed within the accommodating space; a top cover, where the top cover is connected to the housing and covers the accommodating space, the top cover is…
A battery includes multiple battery groups and multiple straps. The multiple battery groups are arranged along a first direction, each battery group including multiple battery cells stacked along a second direction, the second direction intersecting the first direction. At least a portion of the…
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes a shell with a pressure relief component on a wall portion. The pressure relief component has a first groove that defines a pressure relief region designed to split when internal pressure rises. A second…
The present application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes a housing, an electrode terminal, and an insulating member. The housing has a first wall, where the first wall has a first through hole. The electrode terminal is disposed in the first…
A separator and a preparation method for the separator, a battery including the separator, and an electric device including the battery. The separator includes polysilsesquioxane, the polysilsesquioxane having a D90 particle size of a μm, a D10 particle size of b μm, and a D50 particle size of c…
A battery cell, a battery, and a power consuming apparatus. The battery cell includes: a shell, where a first wall of the shell is provided with an electrode leading-out hole; an electrode assembly, arranged in the shell, where the electrode assembly is provided with an electrode connecting member…
The battery cell includes a housing, a pressure relief mechanism, and a reinforcement member. The housing has a wall portion, where the wall portion has an inner surface facing an interior of the housing, and the inner surface is provided with a groove. The pressure relief mechanism is disposed on…
This application discloses a battery installation frame, a frame assembly, and a vehicle, where the battery installation frame is configured to install a battery to a vehicle beam, and the battery installation frame includes a main body portion and an extension portion, where the main body portion…
A winding apparatus includes a winding pin, a pair of first clamp pins configured to move away from each other after the winding pin is withdrawn from an electrode assembly to stretch the electrode assembly, and second clamp pin(s) configured to support an upper half portion of the electrode…
A battery pressurization device and a battery production system are disclosed. The battery pressurization device includes a bearing mechanism, a first pressurization plate, and a second pressurization plate. The first pressurization plate and the second pressurization plate are disposed on the…
A plant power supply system includes a power conversion system and a busbar box, where the busbar box is provided with a direct current (DC) busbar, the power conversion system being connected to the DC busbar, and the DC busbar being further connected to an electrical device, where the power…
A separator, a preparation method, a secondary battery, and an electric device. The separator includes a first porous base film, where the first porous base film is polyolefin, and a viscosity-average molecular weight of the first porous base film is greater than or equal to 1,200,000 g/mol, such…