Abstract: An energy storage device and method based on carbon dioxide gas-liquid phase change.

Abstract: A comprehensive energy utilization system includes a thermal power generation system, an energy storage system, and a carbon capture system. A compression energy storage unit of the energy storage system is coupled to a feedwater reheating unit of the thermal power generation system. An expansion energy release unit of the energy storage system is coupled to a steam turbine generator set of the thermal power generation system. The steam-water circulating working fluid in the thermal power generation system is used as the heat storage and cold storage medium for the energy storage system. The carbon capture system is coupled between the coal-fired boiler unit and the energy storage system, and captures carbon dioxide gas from flue gas and inputs it into the energy storage system as a circulating working fluid. Residual heat from the flue gas is used to heat the circulating working fluid in the expansion energy release unit.

Abstract: One or more aspects of the present disclosure relate to achieving resiliency and high availability in a multi-host environment. In embodiments, a plurality of Peripheral Component Interconnect Express (PCIe) links and network interface cards (NICs) controlled by a plurality of hosts in a multi-host environment is monitored. In addition, a fault condition is detected. For example, the fault condition includes at least an unexpected NIC reset, a PCIe link fault, or a server power cycle event. Further, traffic transmission over a network is controlled based on the fault condition.

Abstract: The present application belongs to the technical field of sodium-ion batteries. Provided are cathode material and preparation method thereof, and cathode plate and sodium-ion battery. The cathode material includes a Prussian Blue material, and a molecular formula of the Prussian Blue material is NaxFeyFe(CN)zF6-z·nH2O·mHCl, where 1.90?x?2.20, 0.9?y?1.2, 4.20?z?5.50, 1.00?n?1.75, and 0.001?m?0.007. According to the present disclosure, the structure stability of the cathode material is improved, and an efficient diffusion channel of sodium ions is optimized at the same time, thereby improving a sodium storage capacity and cycling stability. Through a synergistic effect between the ions, the problem of a high content of crystal water in the cathode material is solved, the structure stability of the cathode material and the stability of electrochemical sodium storage performance are improved, and production costs are also reduced, thereby expanding an application range of sodium-ion batteries.

Abstract: A carbon dioxide energy storage system, a lubricating oil supply device thereof, and a control method therefor are provided. The lubricating oil supply device includes a first oil supply unit and a second oil supply unit respectively connected among a lubricating oil tank, an energy storage component, and an energy release component. The first oil supply unit is configured to supply a first oil amount of lubricating oil to the energy storage component and the energy release component, and the second oil supply unit is configured to supply a second oil amount of the lubricating oil to the energy storage component and the energy release component. The second oil supply unit is connected to a liquid storage unit and driven by taking high-pressure carbon dioxide gas contained in the liquid storage unit as a power source to supply the lubricating oil.

Abstract: A carbon dioxide energy storage system and a control method thereof are provided. The system includes a gas storage unit, an energy storage component, a liquid storage unit, an energy release component that are sequentially closed-loop connected, and a gas temporary storage unit connected between the energy storage component and the energy release component. Within a first time period after the energy storage component begins operation and within a second time period before the energy storage component stops operation, the gas temporary storage unit is used to receive and store high temperature carbon dioxide gas output from the energy storage component to obtain stored high-temperature carbon dioxide gas. Before the energy release component begins operation, the gas temporary storage unit is used to replace the low-temperature carbon dioxide gas in an energy release pipeline with the stored high-temperature carbon dioxide gas.

Abstract: Provided are a cathode material and a preparation method therefor, a cathode sheet and a sodium-ion battery. The cathode material includes a composite particle, a molecular formula of the composite particle is Na4MxMn1-x/2V(PO4)3-x/3Nx, wherein 0.001?x?0.05, M is Li and/or K, and N is selected from one or more of F, Cl, Br, and I. According to the present disclosure, by synchronously introducing specific types and contents of anions and cations into a polyanionic phosphate active cathode material to achieve a good synergistic effect between the anions and cations, the particle morphology and size of the material are regulated while the intrinsic conductivity and structural stability of the cathode material are greatly improved, and significant improvement of the comprehensive performance, such as specific capacity, rate capability, cycle stability and compaction density, of the material is promoted.

Abstract: A comprehensive energy utilization system includes a thermal power generation system, an energy storage system, and a carbon capture system. A compression energy storage unit of the energy storage system is coupled to a feedwater reheating unit of the thermal power generation system. An expansion energy release unit of the energy storage system is coupled to a steam turbine generator set of the thermal power generation system. The steam-water circulating working fluid in the thermal power generation system is used as the heat storage and cold storage medium for the energy storage system. The carbon capture system is coupled between the coal-fired boiler unit and the energy storage system, and captures carbon dioxide gas from flue gas and inputs it into the energy storage system as a circulating working fluid. Residual heat from the flue gas is used to heat the circulating working fluid in the expansion energy release unit.

Abstract: The present disclosure provides an alignment method for image sensor fabrication that involve forming a number of set of alignment marks using key process mask layers to improve alignment registration between process mask layers so as to reduce number of alignment transfer improves alignment accuracy between pixel elements. The present disclosure further provides a semiconductor device that includes such alignment mark structures.

Abstract: The invention relates to a needle support structure and a needle guide bracket (100), and belongs to the technical field of biopsy equipment. The needle support structure comprises an angle control plate (3), a needle grooved plate (4), and a locking device, the support grooved plate (4) including a plurality of semi-open needle feeding channels (411). The angle control plate (3) is fitted to the needle grooved plate (4) to form a closed needle feeding channel (411), the first end of the needle feeding channel (411) being a needle introduction port (412), and the second end being a needle release port (413). The locking device comprises a first clamping part and a second clamping part, the first clamping part being rotatably connected to the angle control plate (3), and the second clamping part being fixedly connected to the needle grooved plate (4).

Abstract: A carbon dioxide energy storage system and a gas storage subsystem thereof are provided, which relates to the field of energy storage technologies. The carbon dioxide energy storage system further includes an energy storage assembly, an energy storage container and an energy release assembly sequentially connected in that order. The gas storage subsystem includes a pipeline structure and multiple gas storage assemblies; and at least one of the energy storage assembly and the energy release assembly is connected to the pipeline structure. The pipeline structure is connected to each gas storage assembly, to rebalance a gas flow rate and gas pressure flowing into or out of each gas storage assembly. The gas storage subsystem can improve the operation efficiency and maintainability of the carbon dioxide energy storage system.

Abstract: A gas storage reservoir assembly applied to a carbon dioxide energy storage system includes a gas storage reservoir, gas distribution pipes, and a connecting pipe. The carbon dioxide energy storage system further includes an energy storage assembly, an energy storage container, and an energy release assembly. Each of the gas distribution pipes defines multiple gas ports connected to a gas storage space of the gas storage reservoir. A first end of the connecting pipe is connected to the gas distribution pipes, and a second end thereof is connected to at least one of the energy storage assembly and the energy release assembly directly or through a pipeline structure. A distance between a connection position of each of the gas distribution pipes and the connecting pipe, and an end of the gas distribution pipe is 40% to 60% of a length of the gas distribution pipe.

Abstract: An image sensor including a plurality of photodiodes disposed within a semiconductor substrate proximate to a first side of the semiconductor substrate, a first transfer gate and a second transfer gate that are each disposed proximate to the first side of the semiconductor substrate and coupled to a respective one of the plurality of photodiodes, and a floating diffusion region coupled to the first transfer gate and the second transfer gate is described. The first transfer gate is laterally separated from the second transfer gate by a separation distance. The floating diffusion region extends laterally within the semiconductor substrate a distance greater than the separation distance between the first transfer gate and the second transfer gate. The floating diffusion region includes a central portion surrounded by a peripheral portion. A first dopant concentration of the central portion is greater than a second dopant concentration of the peripheral portion.

Abstract: A method for screening and preparing antioxidant peptides from mare's milk whey protein and uses thereof. Potential antioxidant polypeptides are screened based on in silico enzymolysis and computer-based prediction, followed by molecular docking with the keap1 protein. The feasibility of obtaining antioxidant peptides is then validated by simulating gastrointestinal digestion using pepsin, trypsin, and chymotrypsin. Subsequently, high-purity antioxidant peptides are chemically synthesized and subjected to in vitro chemical antioxidant activity assays.

Abstract: Provided herein are systems and methods for detecting a target enzyme and/or target enzyme activity. In some embodiments, the system comprises: (a) a CRISPR effector system; and (b) a nucleic acid probe comprising a detectable label. In some embodiments, the CRISPR effector system comprises: (i) at least one CRISPR effector protein having collateral cleavage activity; and (ii) at least one sgRNA that directs the at least one CRISPR effector protein to specifically bind to a target nucleic acid sequence. In some embodiments, the target nucleic acid sequence is a sequence generated/synthesized by the activity of the target enzyme. In some embodiments, the nucleic acid probe is cleavable by collateral cleavage activity of the at least one CRISPR effector protein. Also provided herein is a point of care method for monitoring adherence to a therapy targeting a disease-associated enzyme in a subject using the systems disclosed herein.

Abstract: A method for preventing defects in a thin film deposited on a semiconductor substrate includes forming a plurality of trenches on a periphery-region of the semiconductor substrate to yield a trenched surface. The semiconductor substrate includes a pixel array; the periphery-region surrounds the pixel array. The trenched surface includes (i) a plurality of trench regions each forming a respective one of the plurality of trenches and (ii) between each pair of adjacent trenches, a respective one of a plurality of inter-trench surfaces. The method also includes depositing the thin film on the surface such that the thin film covers each inter-trench surface and conformally covers each trench region.

Abstract: The present disclosure belongs to the field of sodium batteries. Provided are a composite sodium ferrous sulfate cathode material, and a preparation method and application thereof. The composite sodium ferrous sulfate cathode material includes a core. A chemical formula of the core is NaxMyFez(PO4)k(SO4)(0.4-0.6)xOt, where M includes at least one of manganese, vanadium, or titanium, 16?x?17, y=1, 4?z?5, 2?k?2.6, and y+z?0.1x?1.5k?t?y+z+0.1x?1.5k. According to the present disclosure, sulfate decomposition is reduced, the material performance of the composite sodium ferrous sulfate cathode material is improved, and a secondary battery using the composite sodium ferrous sulfate cathode material is improved in terms of performance such as cycling performance.