Abstract: This disclosure provides an energy storage device, a welding method for an energy storage device, and an electricity-consumption device. The energy storage device includes an end cap, a housing, and a current collector arranged between the end cap and the housing. The current collector includes a main body and a welding portion, and the main body and the welding portion are integrally formed. The main body has a first surface and a second surface facing away from the first surface. The end cap is connected to the first surface of the main body, the housing is connected to the second surface of the main body, and the welding portion is connected to an outer peripheral side surface of the end cap, an outer peripheral side surface of the housing, and an outer peripheral side surface of the main body.

Abstract: The present disclosure discloses a protective film assembly, applied to an electrode assembly of an energy storage device, and including an insulation sheet for wrapping the electrode assembly and arranged between a housing of the energy storage device and the electrode assembly. The first side surface covering region includes a first covering sub-region and a second covering sub-region which can overlap each other; the second side surface covering region includes a third covering sub-region and a fourth covering sub-region which can overlap each other; the maximum sizes of the first covering sub-region and the second covering sub-region in a thickness direction and height direction of the electrode assembly are equal, so that the first covering sub-region and the second covering sub-region have a high matching degree and a large bonding area. The present disclosure further discloses an energy storage device.

Abstract: This disclosure provides an energy storage device, a welding method for an energy storage device, and an electricity-consumption device. The energy storage device includes an end cap, a housing, and a current collector arranged between the end cap and the housing. The current collector includes a main body and a welding portion, and the main body and the welding portion are integrally formed. The main body has a first surface and a second surface facing away from the first surface. The end cap is connected to the first surface of the main body, the housing is connected to the second surface of the main body, and the welding portion is connected to an outer peripheral side surface of the end cap, an outer peripheral side surface of the housing, and an outer peripheral side surface of the main body.

Abstract: Provided are an energy storage device and an electric device. The energy storage device includes a connector, a tab, and a welding protection sheet. The tab is connected to the connector. The welding protection sheet abuts against a surface of the tab away from the connector. The welding protection sheet includes a body, a first bent connection portion, and a first extending portion. The first bent connection portion is connected between the first extending portion and the body, and the first extending portion is foldable relative to the body to face towards the body. An end portion of the first extending portion away from the first bent connection portion has a first notch. The first notch has a width less than a width of the first extending portion. A distance between two first corners of the first extending portion is less than a length of the body.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: An energy storage device and a power consuming apparatus are provided in the disclosure. In the energy storage device, a top cover defines an opening, a response member covers the opening, a lower plastic member includes a grid structure, the grid structure defines vent holes, and the vent holes are in communication with the opening. A current collecting member includes a first connecting portion and a second connecting portion. The first connecting portion is connected to a terminal, and the second connecting portion is connected to an electrode assembly. Welding protrusions are provided on a surface of the second connecting portion, and the second connecting portion at least partially shelters the grid structure. The grid structure defines a dented avoidance space, and the welding protrusions are accommodated in the avoidance space.

Abstract: An energy-storage apparatus and an electricity-consumption device are disclosed. The energy-storage apparatus includes a housing, an electrode assembly, an end cover assembly, and a first connector. The end cover assembly includes a top cover and a lower plastic assembly. The lower plastic assembly is disposed between the top cover and the electrode assembly. The top cover includes a first stimulus-response member. The lower plastic assembly includes a first-lower-plastic-member body having a first surface and a second surface, a first recess recessed from the second surface to the first surface, and a first vent hole defined in a recess bottom-wall of the first recess and penetrates through the recess bottom-wall and the first surface. A part of the first recess is blocked by the first connector, and the rest of the first recess exposed beyond the first connector forms a vent passage in communication with the first vent hole.

Abstract: The present disclosure provides an energy-storage device and an electricity-consumption device. The energy-storage device includes a housing, an electrode assembly, an end cap assembly, and a lower plastic assembly. The housing has an opening and is provided with an accommodating cavity in communication with the opening, and the accommodating cavity is configured to store fluid. The lower plastic assembly includes a cover plate and two distribution members connected to the cover plate. Each distribution member is provided with a reflux tank, and the reflux tank is configured to collect fluid flowing out from the accommodating cavity and distribute fluid into the accommodating cavity. Each reflux tank defines a first distribution channel and a second distribution channel in a length direction of the lower plastic assembly. Fluid flow capacity of the first distribution channel is greater than fluid flow capacity of the second distribution channel.

Abstract: The present disclosure provides an energy storage apparatus and a power-consuming device. The energy storage apparatus includes an electrode assembly, a connector, and an end cover assembly. The end cover assembly includes a pole assembly, a top cover, a stimulus-response member, and an explosion-proof assembly. The pole assembly includes a metal block, where the metal block is electrically connected to the connector, and the metal block has a preset surface. The top cover is disposed at an interval with the preset surface of the metal block, where the top cover defines a through hole and an explosion-proof hole arranged at an interval with each other, and an orthographic projection of the through hole on the preset surface falls within a range of the preset surface.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the second wall plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the first wall plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: An end cover assembly, an energy storage apparatus, and an electricity-consumption device are provided in the disclosure to improve a production yield. The end cover assembly includes a top cover, an upper plastic member, a conductive block, a terminal post, and a sealing member. A mounting hole of the top cover extends through the top cover in a thickness direction of the top cover. The upper plastic member is mounted to the top cover. A through hole of the upper plastic member extends through the upper plastic member in the thickness direction of the upper plastic member and is in communication with the mounting hole. The conductive block is mounted to the upper plastic member. A fitting hole of the conductive block extends through the conductive block in a thickness direction of the conductive block and is in communication with the through hole.

Abstract: The present disclosure provides an energy-storage device and an electricity-consumption device. The energy-storage device includes a housing, an electrode assembly, an end cap assembly, and a lower plastic assembly. The housing has an opening and is provided with an accommodating cavity in communication with the opening, and the accommodating cavity is configured to store fluid. The lower plastic assembly includes a cover plate and two distribution members connected to the cover plate. Each distribution member is provided with a reflux tank, and the reflux tank is configured to collect fluid flowing out from the accommodating cavity and distribute fluid into the accommodating cavity. Each reflux tank defines a first distribution channel and a second distribution channel in a length direction of the lower plastic assembly. Fluid flow capacity of the first distribution channel is greater than fluid flow capacity of the second distribution channel.

Abstract: Provided are an energy storage apparatus and an electric device. The energy storage apparatus includes a support, a pole, a stimulus-response member, a connector, and a first insulation member. The support has a first side and a second side. The support has a mounting hole and a vent hole. The connector is located at the first side and includes first and second connection portions connected to each other. The first and second connection portions face towards each other after being folded. The first connection portion is connected to the pole, and the second connection portion is configured to be connected to a tab. The first insulation member is attached to the first connection portion and extends towards the vent hole. The vent hole is partially covered with the first insulation member in a thickness direction of the support, and at least partially uncovered with the first insulation member.

Abstract: An energy storage device and a power consuming apparatus are provided in the disclosure. In the energy storage device, a top cover defines an opening, a response member covers the opening, a lower plastic member includes a grid structure, the grid structure defines vent holes, and the vent holes are in communication with the opening. A current collecting member includes a first connecting portion and a second connecting portion. The first connecting portion is connected to a terminal, and the second connecting portion is connected to an electrode assembly. Welding protrusions are provided on a surface of the second connecting portion, and the second connecting portion at least partially shelters the grid structure. The grid structure defines a dented avoidance space, and the welding protrusions are accommodated in the avoidance space.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. The end cover assembly is for an energy-storage apparatus and includes a top cover, a sealing cap, and an annular welding portion. The top cover has a first surface and further defines a liquid-injection hole extending through the first surface. The first surface includes a first sub-surface and a second sub-surface connected to the first sub-surface, the first sub-surface is around the liquid-injection hole, the second sub-surface is around a periphery of the first sub-surface, and roughness of the first sub-surface is greater than roughness of the second sub-surface. The sealing cap seals the liquid-injection hole and is connected to the top cover. The annular welding portion is located at a junction between the sealing cap and the top cover. The top cover is further provided with a first welding mark and a second welding mark.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the second wall plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the first wall plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: Disclosed are an end cover assembly, an energy-storage device, and an electricity-consumption device. The end cover assembly includes an isolation member. A main body of the isolation member has a first surface and a second surface opposite the first surface, and the isolation member defines a through hole penetrating through both the first surface and the second surface. Each first protrusion portion on the first surface and each second protrusion portion on the second surface are spaced apart from the through hole. A conductive block defines multiple first blind holes and an assembly hole, and each first blind hole fits one first protrusion portion. A top cover defines multiple second blind holes and a mounting hole, and each second blind hole fits one second protrusion portion. A post body of the terminal post passes through the mounting hole, the through hole, and the assembly hole sequentially.

Abstract: An energy-storage apparatus and an electricity-consumption device are disclosed. The energy-storage apparatus includes a housing, an electrode assembly, an end cover assembly, and a first connector. The end cover assembly includes a top cover and a lower plastic assembly. The lower plastic assembly is disposed between the top cover and the electrode assembly. The top cover includes a first stimulus-response member. The lower plastic assembly includes a first-lower-plastic-member body having a first surface and a second surface, a first recess recessed from the second surface to the first surface, and a first vent hole defined in a recess bottom-wall of the first recess and penetrates through the recess bottom-wall and the first surface. A part of the first recess is blocked by the first connector, and the rest of the first recess exposed beyond the first connector forms a vent passage in communication with the first vent hole.

Abstract: Disclosed are an end cover assembly, an energy-storage device, and an electricity-consumption device. The end cover assembly includes an isolation member. A main body of the isolation member has a first surface and a second surface opposite the first surface, and the isolation member defines a through hole penetrating through both the first surface and the second surface. Each first protrusion portion on the first surface and each second protrusion portion on the second surface are spaced apart from the through hole. A conductive block defines multiple first blind holes and an assembly hole, and each first blind hole fits one first protrusion portion. A top cover defines multiple second blind holes and a mounting hole, and each second blind hole fits one second protrusion portion. A post body of the terminal post passes through the mounting hole, the through hole, and the assembly hole sequentially.

Abstract: A top patch, an energy-storage apparatus, and an electricity-consumption device are provided. The top patch defines a first pole through-hole and a first hole spaced apart from the first pole through-hole in a length direction of the top patch, the first hole includes two side walls arranged opposite to each other in a width direction of the top patch, each of the two side walls is provided with an extension bump, the first hole at one side of the extension bump forms a first explosion-proof valve through-hole, the first hole at the other side of the extension bump forms a second pole through-hole, and an angle at which each of the hole wall of the first pole through-hole, the hole wall of the second pole through-hole, and the hole wall of the first explosion-proof valve through-hole is inclined relative to a connecting surface ranges from 25 degrees to 85 degrees.