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: Systems and methods are disclosed relating to data processing and/or storage. According to some illustrative implementations, there are provided innovations herein involving aspects of symbiotic data storage.

Abstract: An energy-storage device, an electrical apparatus, and a winding method are provided in the disclosure. The energy-storage device includes an electrode and a separator, where the electrode and the separator are stacked and wound to form a cell. The electrode is connected with a tab at an end of the electrode in a width direction of the electrode, where the tab includes a first tab and at least one second tab. The first tab is positioned adjacent to an end of the electrode in a length direction of the electrode, and the first tab defines a U-shaped notch. The U-shaped notch is configured to indicate a winding end position of the electrode, facilitating identification and winding automation.

Abstract: An energy storage system is provided, which includes a structural cabinet, and a battery module and a thermal management unit mounted in the structural cabinet. The thermal management unit includes a liquid cooling unit, an air-cooling heat dissipation module, and a liquid cooling management module for managing the distribution of a cooling liquid of the liquid cooling unit. The liquid cooling unit, the air-cooling heat dissipation module, and the liquid cooling management module are separately mounted and arranged in a split manner in the structural cabinet. Compared with the conventional one-piece thermal management unit, the energy storage system is divided into three functional modules, the size of each functional module is greatly reduced.

Abstract: A method for cell winding and a system for cell winding are provided. The method includes feeding materials, preparing winding, embossing, and winding. The feeding materials is carried out to obtain a separator, a cathode electrode, and an anode electrode, where the cathode electrode satisfies that: after pre-winding, a first cathode tab of the cathode electrode and a second cathode tab of the cathode electrode are arranged with a surplus misalignment. A starting end of the separator, a starting end of the cathode electrode, and a starting end of the anode electrode are fixed to a winding device. The cathode electrode is embossed by a rolling device, such that the first cathode tab is aligned with the second cathode tab after winding. The embossing is configured to enable the surplus misalignment between the first cathode tab and the second cathode tab after the winding to be zero.

Abstract: An energy-storage apparatus, an energy-storage module, and an electricity-consumption device are disclosed. The energy-storage apparatus includes an end cover assembly, an electrode assembly, a partition member, a protection member, and a housing. The partition member defines a through-recess and a through-hole, and the through-recess and the through-hole penetrate through the partition member in a thickness direction of the partition member. The protection member defines a first accommodating cavity, the electrode assembly passes through the through-recess, and the electrode assembly is in sealing connection to a recess wall of the through-recess. The partition member is in sealing connection to a cavity wall of the first accommodating cavity, and separates the first accommodating cavity into a first accommodating sub-cavity and a second accommodating sub-cavity. The first accommodating sub-cavity is in communication with the second accommodating sub-cavity through the through-hole.

Abstract: An energy storage system includes a structural cabinet, a battery module and a PCS module mounted in the structural cabinet, where the PCS module is arranged on top of the battery module or at an end side of the battery module, and a heat insulation layer is arranged between the PCS module and the battery module. In a practical application process of the energy storage system, since the heat insulation layer is arranged between the PCS module and the battery module, even if an electric arc in the PCS module causes a fire, under an action of the heat insulation layer, flame generated by the electric arc in the PCS module mainly spreads in a direction away from the thermal insulation layer.

Abstract: An energy-storage device is provided in the disclosure. The energy-storage device includes an electrode assembly and a housing assembly. The housing assembly includes a housing and an electrolyte pipeline. The electrolyte pipeline and the electrode assembly are both mounted inside the housing. The electrolyte pipeline is located between the electrode assembly and the housing and includes an electrolyte inlet pipe and an electrolyte outlet pipe. The electrolyte inlet pipe is located at one side of the electrode assembly and in communication with an interior of the housing. The electrolyte outlet pipe is fixedly mounted to and in communication with the electrolyte inlet pipe. The electrolyte outlet pipe defines multiple electrolyte outlet holes that are arranged at intervals in sequence.

Abstract: A negative electrode sheet and a screening method thereof, a battery and an electric equipment are provided. The negative electrode sheet comprises a current collector and a negative active material layer arranged on the current collector. The negative active material layer has negative active particles, and each negative active particle satisfy the relation: 0.7?R50/Dv50?0.95; R50 is an equivalent average spherical diameter of the negative active particles, and Dv50 is a corresponding particle diameter when a cumulative volume fraction in a volume-based distribution reaches 50% in the particle diameter distribution measurement by a laser scattering method.

Abstract: A data acquisition circuit and method for a battery module are provided. The circuit includes a signal processing board and a signal acquisition board. The signal processing board includes an acquisition circuit module. The signal acquisition board is provided with n voltage acquisition chips each provided with a temperature sensor, and n?1 cells of the battery module. The signal acquisition board is connected to the signal processing board through a connector. The first end of the (m?1)th voltage acquisition chip is connected to the negative electrode of the (m?1)th cell. The first end of the mth voltage acquisition chip is connected to the positive electrode of the (m?1)th cell. The second end of the voltage acquisition chip is connected to the signal processing board through the connector. The first end of the temperature sensor is connected to the acquisition circuit module in the signal processing board.

Abstract: A heat-dissipating member, an energy-storage apparatus, and an electricity-consumption device are disclosed. The heat-dissipating member includes a first heat-dissipating portion and at least one second heat-dissipating portion. The first heat-dissipating portion is connected to each of the at least one second heat-dissipating portion to form a transition section. A liquid inlet channel and a liquid outlet channel of the heat-dissipating member both are positioned inside the first heat-dissipating portion and the at least one second heat-dissipating portion and pass through the transition section. Two harmonica-shaped tubes are disposed inside the transition section. Each of the two harmonica-shaped tubes defines a flow channel cavity. One flow channel cavity is in communication with the liquid inlet channel, and the other one flow channel cavity is in communication with the liquid outlet channel.

Abstract: An explosion venting plate and an energy storage cabinet are disclosed. The explosion venting plate includes a plate body, a thermal insulation member, a gasket and a first seal. The plate body has a slit, and the plate body has a first side and a second side opposite to each other in a thickness direction. The thermal insulation member is arranged on the first side. The gasket is arranged on the second side, and is arranged around a periphery of the plate body and configured to seal the slit on the second side. The first seal is arranged on the first side and configured to seal the slit on the first side. Therefore, the sealing performance of the explosion venting plate is improved and the sealing of the explosion venting plate are relatively stable and reliable.

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: A circuit, method and device for addressing CAN nodes are provided. The circuit includes: a fuse adapter board including a short-circuited circuit; a first CMU including a first MCU and a first CAN identification circuit; and a second CMU including a second MCU and a second CAN identification circuit. The fuse adapter board is connected to the first MCU or the second MCU through the short-circuited circuit, and is configured to control the short-circuited circuit to be shorted to enable a level on a GPIO pin of the first MCU or the second MCU connected to the short-circuited circuit to be a low level, so that the first MCU and the second MCU set their respective CAN addressing based on the respective levels of the respective GPIO pins.

Abstract: A negative electrode sheet includes a negative-electrode current collector and a negative-electrode material layer disposed on the negative-electrode current collector. The negative-electrode material layer includes a first active material that includes a first particle cluster and a second particle cluster. A compaction density of the first particle cluster after being compressed at a pressure of 5 tons is P1, and a compaction density of the second particle cluster after being compressed at a pressure of 5 tons is P2, where P1 and P2 satisfy: 1.0?P1/P2?1.5. When a volume percentage in the first particle cluster reaches 50%, a corresponding particle size value Dv50 satisfies: 13 ?m?Dv50?20 ?m, and when a volume percentage in the second particle cluster reaches 50%, a corresponding particle size value Dv50? satisfies: 5 ?m?Dv50??12 ?m.

Abstract: A cell top cover and a cell are provided. The cell top cover includes an aluminum sheet, at least one pole post, and at least one upper plastic member. The aluminum sheet defines at least one pole through-hole, each respective pole post penetrates through a respective pole through-hole of the at least one pole through-hole, and the at least one upper plastic member is disposed on a top side of the aluminum sheet, and a respective upper plastic member is sleeved and fixed on the respective pole post. The aluminum sheet is provided with at least one limiting portion on the top side of the aluminum sheet, and a respective limiting portion protrudes from a circumferential side of the respective pole through-hole, and is fitted with the respective upper plastic member to limit rotation of the respective upper plastic member relative to the aluminum sheet.

Abstract: A battery assembly, a battery module, and an electricity-consumption apparatus are provided in the disclosure. The battery assembly includes a battery cell and a heating film. The battery cell is configured to provide energy and has a peripheral side face. The heating film is attached to the peripheral side face of the battery cell for heating the battery cell. The heating film includes a first insulating layer, a heating layer, and a second insulating layer that are sequentially stacked. The first insulating layer is closer to the peripheral side face of the battery cell than the second insulating layer. The heating layer is configured to receive a current to generate heat energy to heat the battery cell. The heating film of the battery assembly covers the peripheral side face of the battery cell, so that the battery cell can be heated uniformly.

Abstract: The present disclosure provides a lower plastic part, an end cover assembly, an energy storage device, and electrical equipment. The lower plastic part has a first surface and a second surface opposite to the first surface. The lower plastic part defines a groove, a stream guidance hole, and a concave portion. The groove and the concave portion are located at opposite ends of the lower plastic part in its length direction. The stream guidance hole penetrates through a bottom wall of the groove. A hole diameter of the stream guidance hole is progressively smaller. The lower plastic part further comprises a plurality of first ejector pin parts, a plurality of second ejector pin parts, and a plurality of third ejector pin parts which are symmetrical with respect to a center line of the lower plastic part in a width direction.

Abstract: A battery module includes a cell assembly, a collection assembly, a first heat insulating member, and a heat insulation cushion assembly. The cell assembly includes a plurality of cells arranged along a length direction of the battery module. The collection assembly is located on a side of the cell assembly along a height direction of the battery module, and is connected to the cell assembly. The first heat insulating member is located on a side of the collection assembly away from the cell assembly along the height direction of the battery module, and is connected to the collection assembly. The heat insulation cushion assembly is located between two adjacent cells, and includes a second heat insulating member and two cushion members. Each cushion member has one side connected to the second heat insulating member and the other side connected to the corresponding cell.

Abstract: A memory device includes a SOI substrate comprising bulk silicon, an insulation layer vertically over the bulk silicon, and a silicon layer vertically over the insulation layer. A memory cell includes source and drain regions formed in the bulk silicon with a channel region of the bulk silicon extending therebetween, and a floating gate which includes a first portion of the silicon layer disposed vertically over and insulated from a first portion of the channel region by the insulation layer. The first portion of the silicon layer is epitaxially thickened or a layer of polysilicon is formed on the first portion of the silicon layer. A select gate is disposed vertically over and insulated from a second portion of the channel region. A control gate is disposed vertically over and insulated from the floating gate. An erase gate is disposed vertically over and insulated from the source region.