Abstract: The present disclosure provides an LED drive system and an LED drive method thereof, the LED drive system configured to simultaneously access a plurality of detection control modules, and process detection signals of the plurality of detection control modules that is accessed, and convert into adjustment signals with unified formats and the same output terminals thereof, and then configured to control and adjust a drive power supply through the adjustment signals, and finally the drive power supply connected to an illumination module inside an LED lamp, to solve technical problems that the plurality of conventional detection control modules are incompatible. When both the detection control module and the drive power supply are set in a pluggable LED controller, the LED controller is plugged into the LED lamp through a specific plugging way to directly and electrically connect to the illumination module, to achieve unity and compatibility of the LED lamp.

Abstract: A battery cell includes: a housing, an opening being provided at an end portion of the housing; an electrode assembly arranged inside the housing, the electrode assembly including an electrode body and a first tab; an end cap closing the opening; and a conductive piece located between the electrode assembly and the end cap, and electrically connected to the first tab, wherein the end cap is in direct contact with an inner surface of the housing, the conductive piece is in direct contact with the inner surface of the housing along a first direction, and the conductive piece is in direct contact with the end cap along a second direction, the first direction being approximately perpendicular to the second direction.

Abstract: This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.

Abstract: The present application provides a battery cell, a battery, and an electrical apparatus, which belongs to the field of battery technologies. The battery cell comprises an electrode assembly, a case, and a current collector end cover. The electrode assembly comprises a first tab. The case is formed with an accommodating cavity for accommodating the electrode assembly and an opening at one end of the accommodating cavity. The current collector end cover is connected to the case to close the opening. The current collector end cover comprises a tab connecting portion and a case connecting portion connected to each other. The tab connecting portion is connected to the first tab, and the case connecting portion is connected to the case.

Abstract: A battery cell, a battery, and an electric device. The battery cell includes a housing assembly, an electrode assembly, and a current collecting member. The housing assembly includes an electrode lead-out portion for inputting or outputting electric energy. The electrode assembly is accommodated in the housing assembly, where the electrode assembly includes a body and a tab, the tab is disposed on the body, and a material of the tab is different from that of the electrode lead-out portion. The current collecting member includes an additional portion having a same material as that of the electrode lead-out portion and a body portion having a same material as that of the tab, the additional portion is connected to the body portion, the additional portion is connected to the electrode lead-out portion through welding, and the body portion is connected to the tab through welding.

Abstract: Battery cell includes housing including electrode lead-out member, electrode assembly accommodated in the housing and being cylindrical wound structure, and conductive member. The electrode assembly includes first electrode plate including current collector including coated region coated with active material layer and tab not coated with the active material layer. The coated region and the tab are arranged along first direction. The conductive member includes conductive body and bent portion. At least portion of the conductive body is connected to the tab to form first connection region. The bent portion is configured to be electrically connected to the electrode lead-out member, extends from end of the conductive body away from the active material layer, and is continuously bent multiple times. In the first direction, the bent portion entirely extends beyond end of the tab away from the coated region.

Abstract: A battery cell includes: a housing, wherein an opening is provided at an end portion of the housing; an electrode assembly arranged inside the housing, the electrode assembly including an electrode body and a first tab, the first tab being leaded from one end of the electrode body; an end cap closing the opening, the outer periphery of the end cap being fixed to the housing by welding; and a conductive piece located between the electrode assembly and the end cap, the conductive piece being electrically connected to the first tab, the conductive piece being electrically connected to at least one of the end cap and the housing, and an outer edge of the conductive piece extending at a position close to a welding region.

Abstract: This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.

Abstract: A battery cell comprises a casing, an electrode assembly, and an electrode terminal. The casing comprises a wall portion, and the wall portion is provided with an electrode lead-out hole. At least a part of the electrode assembly is accommodated in the casing, and the electrode assembly comprises a tab. The electrode terminal is arranged on the wall portion and covers at least a part of the electrode lead-out hole. The electrode terminal is electrically connected to the tab.

Abstract: A battery cell includes an electrode assembly, a case, an end cover assembly, and a current collecting component. The electrode assembly includes a first tab. The case is used for accommodating the electrode assembly, and the case has an opening. The end cover assembly covers the opening and is provided with an electrode lead-out portion. The current collecting component includes a tab connecting region and an end cover connecting region. The tab connecting region is used for connecting to the first tab. The end cover connecting region is welded to the inner side of the electrode lead-out portion and forms a first welded portion. The penetration depth of the first welded portion formed on the electrode lead-out portion is smaller than or equal to the thickness of the electrode lead-out portion.

Abstract: The present application relates to a battery cell and a manufacturing method and device thereof, a battery, and a power consumption apparatus, belonging to the field of battery manufacturing technologies. The battery cell includes: a shell with a first wall; an electrode assembly; and a first current collecting member, where the first wall has a first surface facing the first current collecting member, the first current collecting member has a second surface facing the first wall, one of the first surface and the second surface is provided with a protrusion and the other abuts against the protrusion to form a gap between the first wall and the first current collecting member; and the first current collecting member is provided with a first hole and a second hole, and the first hole is configured to be in communication with the second hole through the gap.

Abstract: An electrode plate assembly includes an electrode plate and a protection layer. The electrode plate includes an electrode plate body. The electrode plate body includes an end region. The protection layer is fixed onto the electrode plate body, and includes a protection layer body section that covers the end region along an extension direction of the end region. The protection layer body section includes a main end face body protection portion and two lateral face body protection portions connected respectively to two sides of the main end face body protection portion. The main end face body protection portion covers a main end face of the end region.

Abstract: Provided are a battery cell, a method for manufacturing a battery cell, a battery, and an electric device. The battery cell includes: a housing provided with a first electrode lead-out portion and a second electrode lead-out portion that have opposite polarities; an electrode assembly arranged in the housing, the electrode assembly including an electrode body, and a first tab and a second tab that extend from one side of the electrode body; and a current collector assembly arranged at a side of the electrode body close to the first tab and the second tab. The current collector assembly includes a first current collector and a second current collector. The first tab and the first electrode lead-out portion are electrically connected to each other by the first current collector, and the second tab and the second electrode lead-out portion are electrically connected to each other by the second current collector.

Abstract: An electrode assembly, a battery cell, a battery, and an electrical device are provided. The electrode assembly includes a negative electrode plate, a separator, and a positive electrode plate. The separator is disposed between the negative electrode plate and the positive electrode plate. The positive electrode plate includes a positive electrode active material layer, and the separator has an extension area extending out of the positive electrode active material layer in a first direction. A barrier portion is disposed on at least one side of the extension area, and the barrier portion is used for blocking a gap between the separator and the positive electrode plate or a gap between the separator and the negative electrode plate.

Abstract: An electrode assembly includes a first electrode plate and a second electrode plate that are of opposite polarities, and includes a separator disposed between the first electrode plate and the second electrode plate. The first electrode plate, the separator, and the second electrode plate are wound along a winding direction to form a jelly-roll structure. At least one of the first electrode plate or the second electrode plate includes: a current collector; an active material layer, disposed at least on a surface of the current collector on a side near the separator; and a tab portion, connected to one lateral edge of the current collector, where the lateral edge extends along the winding direction.

Abstract: A battery cell, a battery, an electric apparatus, and a manufacturing method of battery cell are disclosed. The battery cell includes an electrode assembly, a housing, and a current collecting member, where the electrode assembly is provided with a tab, the housing is configured to accommodate the electrode assembly, and the current collecting member is accommodated in the housing and connected to the tab. The current collecting member is welded to an inner side surface of the housing to form a first welding portion, with a welding depth formed by the first welding portion on the housing being less than a thickness of the housing. In this way, during welding, the housing is not punctured, and the first welding portion cannot penetrate through the housing.

Abstract: An electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate. The first electrode plate, the second electrode plate, and the separator are wound in a winding direction and form a winding structure. A flexible interlayer is provided between an end portion region of at least one end of at least one of the first electrode plate and the second electrode plate in the winding direction and a separator segment of the separator that is adjacent to the end portion region. The flexible interlayer protrudes from an edge of the end portion region in a circumferential direction of the winding structure.

Abstract: Embodiments of the present application provide a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. The battery cell includes a shell, an electrode assembly and a current collecting member. The shell has a wall portion located at one end of the shell in a first direction. The electrode assembly is accommodated in the shell and provided with a tab. The current collecting member is accommodated in the shell, and is configured to be connected to the wall portion and the tab to implement an electrical connection between the wall portion and the tab. A protrusion is provided on a side of the current collecting member facing the wall portion, and the wall portion is provided with a recess configured to accommodate at least a part of the protrusion to position the current collecting member.

Abstract: An electrode assembly includes a body portion, including positive and negative electrode plates and a separator plate wound into a winding structure along a winding direction; multiple positive electrode tabs separately connected to at least two positive electrode plate winding layers and spaced apart along the winding direction; and multiple negative electrode tabs separately connected to at least two negative electrode plate winding layers and spaced apart along the winding direction. The multiple positive electrode tabs and the multiple negative electrode tabs are located at a same end portion of the body portion in a direction perpendicular to the winding direction, and a length of the positive electrode tabs connected to the respective positive electrode plate winding layers in the winding direction and a length of the negative electrode tabs connected to the respective negative electrode plate winding layers in the winding direction both increase along the winding direction.

Abstract: The embodiments of the present application provide a battery cell, a battery and a power consuming device, which fall within the technical field of batteries. The battery cell includes an electrode assembly and a shell. The shell accommodates the electrode assembly, and includes a wall portion that is arranged opposite the electrode assembly in a thickness direction of the wall portion. The wall portion is provided with a first reinforcement portion in a protruding manner, the first reinforcement portion extends in a circumferential direction of the wall portion, the wall portion includes a first region located on an outer circumferential side of the first reinforcement portion, and a weak portion is formed in the first region and is configured to rupture during pressure relief of the battery cell. The first reinforcement portion has an effect of reinforcing the wall portion to strengthen the weak portion.