Abstract: The present disclosure discloses a method for controlling plasma edge fuel particle backflow by powder feedback injection, including: measuring a real-time Da value by a visible spectrum diagnostic system; in the plasma control system, filtering the measured Da value by a low-pass filter, and setting a target Da value at the same time; when an actual Da value is greater than the set target Da value, calculating an output control voltage signal; wherein the magnitude of the output voltage ultimately determines the magnitude of the lithium powder injection flow rate; converting a voltage signal input by the plasma control system into a sine wave signal by the amplitude mapping converter, and outputting same to the lithium powder injection system; and receiving the voltage signal and injecting the lithium powder into the fusion device by the lithium powder injection system; wherein the injected lithium powder adsorbs the fuel particles generated by the interaction between the plasma and the wall, so that the bac

Abstract: The present application relates to the field of battery technologies and provides a battery cell, a battery, and an electrical apparatus. The battery cell includes a shell, a pressure relief component, and a reinforcement member. The shell comprises a wall portion that is formed with a pressure relief hole. The pressure relief component is disposed within the pressure relief hole and covers the hole. The reinforcement member is also disposed within the pressure relief hole, and its thickness does not exceed that of the wall portion. The reinforcement member is connected to an inner surface of the pressure relief hole and, together with the pressure relief component, is arranged along the thickness direction of the wall portion to reinforce the structural strength of the shell at the pressure relief location.

Abstract: A tab welding mechanism comprises a base platform, a support base, a tab pressing structure, and a welding assembly. The support base is provided on the base platform and is used for supporting and fixing a cell body of a battery cell; the tab pressing structure is provided on the base platform and is configured to be capable of moving toward the support base, so as to press and gather a plurality of laminated tab pieces of the battery cell; and the welding assembly is provided on the base platform and is configured to be capable of moving toward the support base, so as to weld the plurality of gathered tab pieces to form a tab portion.

Abstract: A method of forming a metal silicide layer in a semiconductor structure includes performing a silicide deposition process in a processing chamber, in which a metal silicide layer is formed on silicon surfaces within an opening formed in a semiconductor structure, inner surfaces of the opening comprising the silicon surfaces, wherein the silicide deposition process including performing a pre-dose purging process, in which the processing chamber is evacuated at a first pressure, performing a dose process, in which a metal-containing precursor is flowed in the processing chamber at a second pressure that is higher than the first pressure, performing a post-dose purge process, in which the processing chamber is purged at a third pressure that is lower than the second pressure, and performing an anneal process at a fourth pressure that is higher than the second pressure.

Abstract: A tab cutting mechanism includes a supporting structure, a cutting blade assembly, an electrode assembly positioning assembly, and a first driving assembly. The cutting blade assembly includes a first component and a second component. The first component is mounted on the supporting structure. The electrode assembly positioning assembly is mounted on the supporting structure and is configured to support and position a main body part of an electrode assembly. The first component is configured to support a tab portion of the electrode assembly. The first driving assembly is mounted on the supporting structure, is connected to the second component, and is configured to drive the second component to move, to cause the second component to cooperate with the first component to cut the tab portion.

Abstract: A computer includes a processor and a memory, and the memory stores instructions executable by the processor to track a sequence of steps of charging an electric vehicle (EV) by electric vehicle service equipment (EVSE), execute a large-language model (LLM) to generate handling operations for a user to handle components of the EVSE, and output the handling operations to an extended-reality (XR) device. The handling operations support the steps of charging the EV. The XR device displays the handling operations overlaid on the EVSE. The XR device highlights the components of the EVSE that are in the handling operations.

Abstract: A battery pack installed inside a cabinet is electrically connected to an energy storage interface and a charging current converter, which is electrically connected to a charging connector. A cooling system is configured to exchange heat with the charging current converter and the charging connector. A first heat dissipation apparatus is disposed in the cooling system. A temperature adjustment system is configured to exchange heat with the battery pack, and the cooling system and the temperature adjustment system are thermally separated. A second heat dissipation apparatus is disposed in the temperature adjustment system. A controller is configured to keep the cooling system off and turn on the temperature adjustment system in a first operating mode, turn on the cooling system and the temperature adjustment system in a second operating mode, and keep the cooling system off and turn on the temperature adjustment system in a dormant mode.

Abstract: A battery includes a battery cell and a thermal management component. The thermal management component is opposite the battery cell along a first direction and connected to a first wall of the battery cell, the first wall is a wall with a largest surface area of the battery cell, and the first direction is perpendicular to the first wall. The thermal management component includes a flow channel, and the flow channel is used for accommodating a heat exchange medium, so as to regulate a temperature of the battery cell; where the flow channel is configured to provide a swelling space for the battery cell.

Abstract: A method of filling a feature in a semiconductor structure with metal includes depositing a metal cap layer on a bottom surface of a feature formed within a dielectric layer and top surfaces of the dielectric layer, partially filling the feature from the bottom surface with a flowable polymer layer, performing a metal pullback process to remove the metal cap layer on the top surfaces of the dielectric layer selectively to the dielectric layer, wherein the metal pullback process includes a first etch process including a chemical etch process using molybdenum hexafluoride (MoF6) to remove the metal cap layer selectively to the dielectric layer, and a second etch process to remove residues on etched surfaces of the dielectric layer, removing the flowable polymer layer, pre-cleaning a surface of the metal cap layer, and filling the feature from the surface of the metal cap layer with metal fill material.

Abstract: A drive circuit (10) and an electrical apparatus (100) are disclosed. The drive circuit (10) includes a driving module (11) which is connected to a driving end of an active fuse (20) and configured to provide a constant current and a constant voltage. The active fuse (20) blows under the driving of the constant current, and is conducted under the driving of the constant voltage. The problems in related technologies of switching devices (Q2, Q3) being prone to burning out or erroneous detection of the status of the active fuse (20) can be solved.

Abstract: A battery and an electric device are provided. The battery includes a battery case and a cell assembly. The battery case includes a case cover and a frame, where the case cover is disposed on the frame and encloses with the frame to form an accommodating cavity, the case cover is configured to be connected to an external frame body, the cell assembly is accommodated in the accommodating cavity, and the cell assembly is connected to the case cover.

Abstract: 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 to accommodate the battery clusters, a dimension of the enclosure along the first direction being smaller than a dimension of the enclosure along the second direction; where along the first direction, the dimension of the enclosure matches the dimension of the battery cluster, such that the enclosure is configured to accommodate one row of battery clusters along the first direction, the first direction is perpendicular to the second direction, and both the first direction and the second direction are perpendicular to a height direction of the enclosure.

Abstract: A battery system includes a plurality of battery swapping units connected in parallel, where each battery swapping unit includes a battery and a first battery management unit of the battery, and the battery system further includes a second battery management unit connected to the first battery management units in the plurality of battery swapping units. The power-on method is performed by the second battery management unit, and the power-on method includes: receiving a first power-on signal sent by a vehicle control unit; and in response to the first power-on signal, sending a second power-on signal to the first battery management unit, where the second power-on signal is used to instruct the first battery management unit to control a corresponding battery swapping unit to perform high-voltage power-on.

Abstract: 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 the first connecting plate is connected to the tab by welding, and the second connecting plate is connected to the case by welding; and in a direction perpendicular to a thickness direction of the second connecting plate, a projection of the first connecting plate at least partially overlaps with a projection of the second connecting plate. The current collector plate can improve the stability and reliability of a connection between the case and the tab; in addition, the current collector plate has a small thickness, which can reduce occupied space in the battery cell to improve energy density of the battery cell.

Abstract: 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 outer periphery of the main body portion. The second insulating adhesive is adhered to the first tab. In an axial direction of the main body portion, a gap is provided between the first insulating adhesive and the second insulating adhesive. The battery includes the battery cell. The electric device includes the battery cell or the battery.

Abstract: The present application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric apparatus, where the positive electrode active material includes a sodium manganese oxide, the sodium manganese oxide includes a first phase and a second phase, the first phase includes alternating first sodium ion layers and first transition metal layers, and the second phase includes alternating second sodium ion layers and second transition metal layers. In the first phase, an interlayer spacing between adjacent first transition metal layers in a direction perpendicular to a (001) crystal plane is d1, in the second phase, an interlayer spacing between adjacent second transition metal layers in the direction perpendicular to the (001) crystal plane is d2, and d1-d2 ranges from 0.01 nm to 0.02 nm.

Abstract: A control method and control apparatus for a thermal management system. The thermal management system includes a liquid coolant system and a refrigerant system, the liquid coolant system including a heat dissipation apparatus and a cold storage apparatus, where the refrigerant system is configured to cool a battery and/or the cold storage apparatus, the heat dissipation apparatus is configured to cool the battery and/or the cold storage apparatus, and the cold storage apparatus is configured to cool the battery. The method includes: obtaining first thermal management parameter information, where the first thermal management parameter information includes parameter information of the battery, and the parameter information of the battery includes temperature information of the battery and/or parameter information reflecting a heating rate of the battery; and determining a thermal management strategy of the thermal management system based on the first thermal management parameter information.

Abstract: A power-off device, a battery, and an electric device. The power-off device includes: an insulating base, where the insulating base is provided with at least two conductive pieces; and a circuit breaker piece, where the circuit breaker piece is detachably provided on the insulating base; the circuit breaker piece is electrically connected in series to the at least two conductive pieces, so that an assembly formed by the circuit breaker piece and the at least two conductive pieces can transmit electrical energy; and the circuit breaker piece is configured to be capable of cutting off the electrical connection when a preset condition is satisfied.

Abstract: A charging system for charging a power battery of a vehicle includes a battery apparatus configured to store energy and charge the power battery by releasing energy; a charging connector configured to connect to the vehicle so as to charge the power battery via the charging connector; and a thermal management system, including a first heat exchange flow path, a second heat exchange flow path, and a first switching mechanism. The first heat exchange flow path includes a first heat exchanger configured to exchange heat with the battery apparatus. The second heat exchange flow path includes a second heat exchanger configured to exchange heat with the charging connector. The second heat exchange flow path is connected to the first heat exchange flow path via the first switching mechanism.

Abstract: 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 on the first wall portion. The reinforcement member is at least partially accommodated in the first groove, and the reinforcement member is disposed around the pressure relief mechanism. The reinforcement member is accommodated in the first groove, reducing the height by which the reinforcement member protrudes beyond the first wall portion. The reinforcement member is at least partially accommodated in the first groove, which can enhance the rigidity and strength at the position where the first groove is provided, thereby improving the strength and rigidity of the first wall portion without significantly increasing its weight.