Abstract: A method for HARQ-ACK feedback for a PDCCH without scheduling data, and a device are provided. The method includes: receiving configuration information of higher layer signaling, where the configuration information is used for determining a format of HARQ-ACK feedback information in a dynamic HARQ-ACK codebook for the PDCCH without scheduling data.

Abstract: The embodiments of this application relate to the technical field of battery, and in particular, to a thermal management system, a method and an equipment. In this thermal management system, a compressor and a condenser form a cooling loop with a thermal exchange pipeline of the battery, and a compressor and an evaporator form a heating loop with a thermal exchange pipeline, so that this thermal management system can provide both cooling and heating for battery, in comparison with the direct cooling system and heating film, this thermal management system features simple structure and high reliability. In addition, the locations of the condenser and the evaporator can be reasonably arranged as required to achieve the secondary utilization of hot air and cold air.

Abstract: A method for information transmission of backscatter communication, a terminal, and a network side device are provided. The method includes: the terminal sends first information to the network side device, where the first information is used for configuration update or transmission adjustment related to backscatter communication, and the first information includes at least one of the following: inventory-related information; information related to backscattering of a backscatter device; or information related to a carrier wave or a control command.

Abstract: Provided are an information reporting method and apparatus, an information receiving method and apparatus, a terminal, and a network-side device. The information reporting method includes: receiving, by a terminal, a backscatter signal from a backscatter communication BSC device, determining first information based on the backscatter signal, and reporting the first information. The first information includes at least one of the following: content of the backscatter signal, first indication information, and information of a first event. The first indication information is used to indicate whether a target event occurs when the terminal receives the backscatter signal within first time, and the first event is a target event that occurs when the terminal receives the backscatter signal within the first time.

Abstract: The present application relates to a positive electrode active material comprising a first positive electrode active material, which comprises a substrate of formula (I), wherein the substrate is doped with an element M1: LiA1[NiX1CoY1MnZ1]O2 (I); and a second positive electrode active material, which comprises a substrate of formula (II), wherein the substrate is doped with an element M2: LiA2[NiX2CoY2MnZ2]O2 (II); the average particle size Dv50 of the first positive electrode active material is greater than that of the second positive electrode active material, wherein 0<X2?X1?0.4, and optionally 0<X2?X1?0.1. The present application further relates to a method for preparing the positive electrode active material, a secondary battery, and a power consuming device.

Abstract: This application discloses a method and apparatus for backscatter signal transmission, a communication device, and a readable storage medium. The method includes: determining, by a tag based on first information, a parameter related to transmission of a backscatter signal; where the first information includes at least one of the following: a first identifier, where the first identifier includes an identifier of the tag or a temporary identifier of the tag; a first value, where the first value is used to indicate a random number generated by the tag; a second value, where the second value is used to indicate a counter value of the tag; a third value, where the third value is used to indicate a counter step of the tag; a group identifier or intra-group identifier of the tag; a session number or a process number; or information received from a reader/writer.

Abstract: Embodiments of the present application provide a control method of an energy storage system and an energy storage system. The control method includes: acquiring state information of the energy storage system; and determining operating modes of a heat management unit and a fire-fighting unit of the energy storage system according to the state information. According to the technical solutions of the present application, control strategies of the energy storage system can be reasonably adjusted to achieve effective management of the energy storage system and guarantee the security of the energy storage system.

Abstract: This application discloses a vehicle power distribution integration architecture, a vehicle management system, and a vehicle. The vehicle power distribution integration architecture includes a low-voltage battery, a battery management module, and a low-voltage power distribution module. The low-voltage battery is electrically connected to the low-voltage power distribution module. The low-voltage power distribution module is provided with a low-voltage load access terminal for connecting to a low-voltage load. The battery management module and the low-voltage power distribution module share one controller. The controller is integrated with a function of managing the low-voltage battery and a function of controlling power distribution of the low-voltage load, so that control modules in a battery management solution and a low-voltage power distribution solution are creatively integrated into one controller. This simplifies the control wiring and has the characteristics such as low costs and simple structure.

Abstract: Provided are a domain controller and an energy storage system. The domain controller is applied to the energy storage system. The energy storage system includes an energy storage unit and a non-energy storage unit; the non-energy storage unit includes a thermal management unit and a fire-fighting unit; the non-energy storage unit is used for assisting the energy storage unit; the domain controller integrates a management module of the energy storage unit and a management module of the non-energy storage unit, and is used for managing the non-energy storage unit according to state information of the energy storage unit. A management policy of the energy storage system can be reasonably adjusted, and efficient energy-saving management of the energy storage system is realized.

Abstract: A housing that is configured to be mounted on a vehicle body of a vehicle includes a housing body, a first mounting part, and a second mounting part, where the housing body has an accommodating cavity; the first mounting part is provided on the housing body and is configured to fix a battery in the accommodating cavity; and the second mounting part is provided on the housing body and is configured to fix a plurality of electronic modules in the accommodating cavity.

Abstract: A method for writing data to a magnetic data storage medium includes detecting whether the duration, before occurrence of a data transition, of data to be written exceeds a predetermined threshold, and, when the duration, before the occurrence of the data transition, of the data to be written exceeds the predetermined threshold, writing the data by applying an initial pulse and then maintaining a steady-state write current for a defined interval, and when the duration, before the occurrence of the data transition, of the data to be written is at most equal to the predetermined threshold, writing the data by applying the initial pulse without applying a steady-state write current before the data transition. The predetermined threshold may be determined by size of a magnetic bubble formed when writing a single bit to the magnetic data storage medium. A subsequent pulse may be applied following the defined interval.

Abstract: The present invention relates to a homogeneous multiplex detection device, its operation and detection processes thereof. The device comprises, a reaction vessel, providing a reaction space with two ends opposite to each other, wherein the first end of the reaction vessel is an open end and the second end of the reaction vessel is a closed end, and being used for nucleic acid amplification reactions; a reaction chip, positioning inside the reaction space and on the first end of the reaction vessel, and having a reaction surface where a plurality of types of nucleic acid probes corresponding to a plurality of types of target molecules are immobilized, wherein a plurality of types of nucleic acid probes of the reaction chip are corresponding to the plurality of types of target molecules, and are used for detecting nucleic acid molecules produced by amplification of the target molecules inside the reaction vessel; and a lid, detachably arranged on the first end of the reaction vessel to close the reaction space.

Abstract: The provided is a novel heat-induction decoking device and method tailored for the thermal conversion of solid fuels. The efficient heat-induction decoking device for the thermal conversion of the solid fuels includes: a decoking tank body, which is configured to condense a macromolecular tar in a pyrolysis gas and discharge the condensed tar from a bottom to a tar tank for storage; an electromagnetic induction heating system, which is disposed on an outer wall surface of the decoking tank body to heat the outer wall surface of the decoking tank body; an ultrasonic vibration decoking system, which is disposed on the decoking tank body to enable the decoking tank body to generate vibration by ultrasonic wave so as to enhance tar fluidity. This innovative design not only reduces energy consumption and equipment wear but also extends system operational lifespan, thereby offering substantial improvements in economic and environmental sustainability.

Abstract: A regulating system includes a first power converter and a control unit. Multiple battery clusters of the battery system share the first power converter, and the control unit is connected to the first power converter and each of the battery cluster in communication. The control unit disconnects the parallel connection between the target battery cluster and other battery clusters, controls the connection between the target battery cluster and the first power converter to conduct, and sends a target current command to the first power converter to regulate the target battery cluster.

Abstract: The present application provides a positive electrode material composition, a positive electrode, a secondary battery and an electrical apparatus. The positive electrode material composition of the present application comprises a positive electrode active material and a dielectric material particle; wherein the dielectric material particle has an A value of 50-200, wherein A=[?/(c/a)]; ? is the relative dielectric constant of the dielectric material particle; c is the c-axis length of the unit cell of the dielectric material particle; and a is the a-axis length of the unit cell of the dielectric material particle.

Abstract: The present application relates to a silicon-carbon composite material in the form of particles comprising a porous carbon skeleton, a silicon-containing deposition layer, and a carbon-containing coating layer, wherein the silicon-containing deposition layer is in pores of the porous carbon skeleton, the carbon-containing coating layer is on the silicon-containing deposition layer and/or on the surface of the particles, and the silicon-carbon composite material has an oil absorption number of 35 mL/100 g to 80 mL/100 g. The silicon-carbon composite material of the present application has a high energy density and an improved cycle life. In addition, the present application further relates to a negative electrode plate comprising the material, a secondary battery, a battery module, a battery pack, and a power consuming device.

Abstract: A transmission method includes: transmitting a PDCCH in a first CORESET, where the number of RBs in the first CORESET is less than or equal to the number of RBs in a second CORESET, and the second CORESET is configured by higher layer signaling in a PBCH.

Abstract: A method for transmitting a transmission indication signal includes: receiving a transmission indication signal on a part of time-frequency resources occupied by a network device. The transmission indication signal is used to instruct a terminal to perform a corresponding terminal behavior according to terminal behavior indication information, and the terminal behavior indication information is used to indicate the terminal behavior.

Abstract: The present application provides a composite negative electrode active material and a preparation method therefor, a negative electrode plate comprising same, a secondary battery and a power consuming device. The composite negative electrode active material comprises a negative electrode active material substrate and a conductive polymer layer on the surface of the negative electrode active material substrate, wherein the cyclic voltammetry curve of the composite negative electrode active material has an oxidation peak within a range of 3.2 V-3.6 V and a reduction peak within a range of 2.1 V-2.6 V. The composite negative electrode active material provided by the present application can combine a low volume expansion, a high capacity per gram and a high initial coulombic efficiency, thus enabling a secondary battery to combine a low volume expansion, a high energy density and a long cycle life.