Hithium Tech HK Limited

An energy storage system, a control method thereof, and a power consumption system. The energy storage system includes a first energy storage sub-system, a second energy storage subsystem, and a power conversion system. The first energy storage sub-system is provided with a first battery system and a first battery management system; the second energy storage sub-system is provided with a second battery system and a second battery management system, and the second battery system includes a first battery sub-cluster and a second battery sub-cluster. The power conversion system is electrically connected to the first battery system and the first battery sub-cluster or the second battery sub-cluster, and the power conversion system is communicatively connected to the first battery management system; the first battery management system performs coordinated charge and discharge control on the first battery sub-cluster.

An energy-storage apparatus, an energy-storage module, and an electricity-consumption device are provided. The energy-storage apparatus includes a housing, an electrode assembly, and a cover plate. The electrode assembly is accommodated in an accommodating cavity of the housing. The cover plate is mounted to the housing and seals an opening of the housing. The cover plate includes a main body portion and a boss portion. The main body portion has a first surface and a second surface opposite to the first surface. The boss portion is fixedly connected to the main body portion and protrudes relative to the first surface. The boss portion has a first face facing away from the electrode assembly and a second face opposite to the first face. At least one first sub-protrusion protrudes from the second face, and the at least one first sub-protrusion is disposed spaced apart from an explosion-proof hole of the boss portion.

An end cover assembly, an energy storage apparatus, and an electricity-consumption device are provided. The end cover assembly includes a lower plastic member, a connector, and a heat insulating member. The lower plastic member defines an assembling groove. The assembling groove has a groove bottom face. The connector includes a connecting portion, a transition portion, and a bending portion connected between the connecting portion and the transition portion. The connecting portion and the transition portion define an angle therebetween. The connecting portion is accommodated in the assembling groove. An inner curved surface of the bending portion is connected between an inner surface of the connecting portion and an inner side surface of the transition portion. The heat insulating member is stacked on the connector and completely covers the inner surface and the inner side surface. The heat insulating member includes a thickened region completely covering the inner curved surface.

An electrode assembly is provided in the disclosure. The electrode assembly includes a positive electrode and a negative electrode. The positive electrode includes a first insulating layer, a first conductive layer on one surface of the first insulating layer and a second conductive layer on the other surface of the first insulating layer, a first active material layer on a surface of the first conductive layer, and a second active material layer on a surface of the second conductive layer. The negative electrode includes a second insulating layer, a third conductive layer on one surface of the second insulating layer and a fourth conductive layer on the other surface of the second insulating layer, a third active material layer on a surface of the third conductive layer, and a fourth active material layer on a surface of the fourth conductive layer.

The present disclosure discloses a top cover assembly of battery and top cover assembly, the top cover assembly comprising: a top cover having first recess on top surface, the first recess is provided around mounting hole; a terminal post penetrating mounting hole, first end of terminal post is limited to a side of top cover on which a bottom surface is located, second end of terminal post is higher than top surface of top cover; an upper plastic member provided on a side of top cover where top surface thereof is located and surrounding second end of terminal post to be connected to second end of the terminal post, the upper plastic member has a first boss on a bottom surface, the first boss is accommodated in the first recess, the bottom surface of the upper plastic member is connected to the top surface of the top cover.

The present utility model discloses a battery pack and an energy storage device. The battery pack includes at least two battery modules and at least one cooling assembly. Each battery module includes a support having a splicing portion and a plurality of battery cells mounted in the support, and two adjacent battery modules are connected to each other by two splicing portions. The at least one cooling assembly is sandwiched between the two adjacent battery modules and is in contact with the battery cells located on opposite sides of the at least one cooling assembly. According to the battery pack, the battery modules and the cooling assembly can be spliced as needed, then battery packs with different numbers of battery cells can be conveniently achieved, and the cost of the battery pack is reduced.

An anode plate for a film plating machine and a film plating machine are provided. The anode plate is formed by splicing a plurality of anode plate splicing units, and two adjacent anode plate splicing units are separated by an insulating medium. Each anode plate splicing unit is connected with a power supply. The anode plate is applicable to film plating machines of different breadth.

An energy storage apparatus and an electric device are provided in the disclosure. The energy storage apparatus includes an upper cover, a deformation member, a lower plastic member, a terminal post, a connector, and a tab. The lower plastic member is provided with a grid structure at one side of the lower plastic member where the through hole is defined at the fourth surface, and the grid structure separates the through hole into multiple sub-holes. The connector extends from the first connection portion that is connected to the terminal post to the second connection portion that is disposed at one side of the grid structure facing away from the deformation member, and an orthographic projection of the connector on the fourth surface of the lower plastic member covers at least part of the multiple sub-holes.

A battery pack. The battery pack includes at least one battery module, a liquid cooling plate, the liquid cooling plate, and at least one first limiting member. The liquid cooling plate is arranged on a bottom surface of the at least one battery module. Each of the at least one first limiting member is arranged between the liquid cooling plate and a bottom surface of each of the at least one battery module, so that an adhesive gap with a uniform thickness is defined between the liquid cooling plate and the bottom surface of each of the at least one battery module. A thermal conductive adhesive is applied in the adhesive gap, and the liquid cooling plate is in thermal communication with the at least one battery module via the thermal conductive adhesive.

An explosion-proof sheet, a top cover assembly of a secondary battery, and a secondary battery are provided. The explosion-proof sheet has a pressure release portion arranged oppositely to the explosion-proof hole, a fixing portion surrounding the pressure release portion and connected to the top cover, a connecting portion located between the pressure release portion and the fixing portion for connecting the pressure release portion to the fixing portion. A thickness of a part of the connecting portion is greater than a thickness of the remaining part of the connecting portion.