15results about How to "Improve application stability" patented technology

The invention provides a bipolar current collector and a preparation method thereof, a battery and application, the bipolar current collector comprises a negative electrode conductive layer and a positive electrode conductive layer which are laminated, and at least one transition layer is laminated between the negative electrode conductive layer and the positive electrode conductive layer; the transition layer is made of nickel-chromium alloy, the crystallinity of the nickel-chromium alloy is 5-80%, and the transition layer is of a nonporous structure. Starting from the material and structural design of the bipolar current collector, the nonporous transition layer made of the nichrome is added, and meanwhile, the crystallinity of the nichrome is limited to be 5-80%, so that the bonding force between the negative conductive layer and the positive conductive layer can be improved, and the stability of an interface is improved; the bipolar current collector is ensured to have good structural stability, the application stability of the bipolar current collector in a battery can be promoted, and the cycle performance of the battery is improved.

The present invention relates to a core-shell magnetic molecular imprinted polymer material, a preparation method and its application in enriching 25 steroid hormones in blood. The present invention is based on the polymerization reaction of 3,3-dihydroxybenzidine and p-benzoquinone, precipitates and polymerizes on the surface of magnetic ferroferric oxide nanoparticles modified with silicon dioxide to form a polymer layer, and simultaneously uses virtual template betamethasone for imprinting treatment to obtain a core-shell magnetic molecular imprinted polymer material. The core-shell magnetic molecular imprinted polymer material prepared by the present invention has good magnetic responsiveness. The adsorption test of 25 steroid hormones shows that the core-shell magnetic molecular imprinted polymer material of the present invention has good adsorption and desorption effects, and is convenient to separate and recyclable after adsorption, and has good application prospects.

The invention relates to the field of daily chemicals, and discloses a microcapsule-containing suspending agent composition as well as a preparation method and application thereof. The suspending agent composition is prepared from the following raw materials: 0.1 to 20 percent of hydrogenated castor oil, 10 to 40 percent of polyether type anionic surfactant, 0.1 to 10 percent of microcapsule functional additive and water. According to the invention, a polyether type anionic surfactant is selected as a hydrogenated castor oil emulsifier, and meanwhile, a special two-step water adding process is adopted to prepare the suspending agent composition, so that the suspending agent composition in which a microcapsule functional additive is uniformly dispersed in a system in advance can be finally obtained. In the preparation process of the suspending agent, the microcapsule functional additive is added, so that the scheme that the microcapsule functional additive is copolymerized with the HCO structuring agent in the later stage to form a new suspension system has better performance advantages in application.

The invention relates to the technical field of batteries, in particular to a composite insulating coating, a preparation method thereof, a battery cell and application of the battery cell. The composite insulating coating comprises a coating layer and a bonding layer which are arranged in a laminated mode, the coating layer is arranged on the surface of the application matrix in an attached mode and comprises organic components with electronegative functional groups and electropositive metal ions, and a dynamic cross-linked network structure is formed through complexation; the bonding layer is arranged on the surface of the coating layer and comprises an organic matter containing a polar functional group; at least on the interface of the coating layer and the bonding layer, the polar functional group in the organic matter and the electronegative functional group in the organic component form chemical bonding. The composite insulating coating can collaboratively seal electrolyte, has high mechanical stability, and can block long-period corrosion; meanwhile, the material has high insulativity, high toughness and an interface self-repairing function, can improve the hidden danger of microcracks caused by uneven stress of a matrix when being applied to a battery cell, reduces the risk of abnormal high-voltage electric breakdown of the matrix, and improves the long-term use reliability of the battery cell.

This utility model discloses a dust collector for copper processing and casting, comprising: a water tank with a drain valve fixedly connected to its bottom left side and an exhaust pipe fixedly connected to its top right side, the tank being filled with water; a rectangular box fixedly installed on top of the water tank; and a suction and air delivery assembly fixedly connected to the bottom of the rectangular box. This utility model, through a series of structures, effectively removes dust by pre-filtering dust particles and impurities, combined with the synergistic effect of water adsorption and purification of micro-dust. This reduces the pollution of the environment and harm to human health caused by residual micro-dust in the exhaust gas, improving dust removal efficiency. It also facilitates automatic timed switching between the two sides for alternating ventilation and filtration, reminding personnel to clean the filters and impurities after use, creating an alternating filtration and cleaning effect. This allows for continuous cleaning and slag removal without affecting the dust collection and filtration purification process, improving work continuity and efficiency.

The invention relates to a perovskite solar power generation module, which comprises a solar panel frame, at least one solar panel, a first protection panel, a second protection panel and a sealing body structure, the solar panel frame is pressed between the first protection panel and the second protection panel, the periphery of the solar panel frame is surrounded by the sealing body structure, and a sealing cavity is formed in the solar panel frame, so that the solar panel is not easily oxidized due to environmental influence, and the stability of the solar panel is improved; besides, another embodiment provides a building shielding device, the perovskite solar power generation module is embedded in an outer frame body, diversified shielding device design can be carried out according to building styles and requirements, renewable energy is implemented in daily life, and development of green buildings is further promoted.

The invention relates to the technical field of power semiconductors, in particular to a pin-free semiconductor integrated power module and terminal equipment, which comprises a shell and a substrate, the substrate comprises an insulating plate, a first metal layer and a second metal layer, the first metal layer and the second metal layer cover two opposite surfaces of the insulating plate, the shell is packaged on the substrate, the first metal layer faces the shell, and the second metal layer faces the shell. The first metal layer is provided with a connecting bonding pad on the outer side of the shell, the connecting bonding pad is used for being connected with an external PCB, and the surface of the connecting bonding pad is covered with a protective layer. The pin-free semiconductor integrated power module is directly connected with the outside through the connecting bonding pad, so that conductive paths are reduced, the reliability of electrical connection is improved, the risk of poor contact caused by pin dimensional tolerance, welding process deviation and the like is reduced, parasitic inductance and capacitance in a pin connection mode are improved, and the reliability of the power module is improved. Electrical parameters such as electromagnetic compatibility, a safe working area and the like of the power module are optimized, and stability and durability of the module in a high-vibration environment are enhanced at the same time.

The application discloses a radial lead capacitor fixing seat, which comprises a cup-shaped body with an open upper end for mounting a capacitor, mounting holes arranged on both sides of the cup-shaped body, an auxiliary positioning column inserted into a corresponding through-hole pad on a PCB through the mounting hole and welded and fixed, and a silica gel gasket arranged at the inner bottom of the cup-shaped body, wherein the silica gel gasket and the cup-shaped body are provided with pin holes, and the capacitor pins are inserted into the corresponding through-hole pad on the PCB through the pin holes and welded and fixed. Through the design of the cup-shaped body and the silica gel gasket, part of the vibration of the PCB and the capacitor can be absorbed, the vibration amplitude of the capacitor is reduced, the mounting and welding stress of the capacitor is reduced, and the working stability and service life of the capacitor in the application environment with high vibration and high component density are improved.

The utility model discloses a multifunctional mobile freight cableway host which comprises an excavator assembly and a cableway control assembly, a mounting seat for mounting a host tower is arranged on a bucket rod on the excavator assembly, a plurality of pulleys for supporting a cableway are arranged on the host tower, and an operating platform for placing the cableway control assembly is arranged on one side of a cab of the excavator assembly. The cableway control assembly comprises a cableway controller and a plurality of winches, the winches are all in electric control connection with the cableway controller, when the freight cableway main engine conducts cableway transportation, the main engine tower is installed on the installation base, the cab console controls the working arm to be supported on the ground and enables the top of the bucket rod to face upwards, and the main engine tower is vertically placed. And the cableway is wound on the winch and is connected and transported to the tower at the other end through a pulley on the main machine tower. According to the utility model, the freight cableway main machine can move, trim the field ground and adjust the rotation angle position, and can also be used for erecting a tower and realizing the transportation control of a freight cableway.

The present application provides a kind of plant pathogenic soil biological control agent and its preparation method and application technology, which is composed of multiple different genera of biocontrol strains and their metabolite concentrated solid 70-90% and auxiliary materials 10-30% with complementary mechanism and target.The fermentation concentrated liquid of multiple strains is mixed with carrier, and then spray dried to obtain the compound bacteria fermentation liquid concentrated solid;Then it is mixed with auxiliary materials to granulate to obtain the present application.The present application is used for the prevention and control of plant diseases caused by one or several of fusarium, pythium, pathogenic streptomyces, rhizoctonia solani, raoultella, erwinia carotovora and other plant pathogenic bacteria and nematodes that can survive in soil and its pathogenic soil.The present application effectively improves the microecological environment of pathogenic soil, induces plant disease resistance effect, constructs a good plant soil ecosystem and promotes plant growth and development.

The application relates to the technical field of ton bag lining materials, and particularly discloses a shielding ton bag lining bag and a preparation method thereof. The shielding ton bag lining bag is made of a multilayer composite film with a structure of PET / light-shielding, air-permeable and moisture-permeable layer / PA / PE, and the light-shielding, air-permeable and moisture-permeable layer is made of raw materials in the following proportions by weight: resin 40-75 parts; heavy calcium carbonate 20-40 parts; color master batch 5-10 parts; dispersant 2-5 parts; antioxidant 0.2-0.4 parts; polyimide nanofiber 4-6 parts; porous diatomite 1-3 parts; the preparation method comprises the following steps: uniformly mixing the resin, the heavy calcium carbonate, the color master batch, the dispersant, the antioxidant, the polyimide nanofiber and the porous diatomite, extruding and granulating to obtain light-shielding, air-permeable and moisture-permeable layer material; then taking the light-shielding, air-permeable and moisture-permeable layer material, PET, PA and PE to perform four-layer co-extrusion blow molding to obtain a multilayer composite film, and then processing the bag. The shielding ton bag lining bag obtained by the application can have excellent and stable air permeability and moisture permeability under the influence of temperature change environment.

The present application belongs to the field of photoelectrochemical cathodic protection, and particularly relates to an energy storage type organic-inorganic hybrid semiconductor composite film (WO3@TpBpy-COF@Bi2S3) and preparation and photoanode application thereof. A functional organic semiconductor (covalent organic framework material COF) is used as an intermediate phase, inorganic semiconductors are connected through surface modification, covalent bonding and coordination complex to form a stable multi-phase heterogeneous organic-inorganic hybrid semiconductor composite film. The composite film is used as a photoanode, under simulated sunlight irradiation, the protected metal can be fully cathodically polarized, and after the light is turned off, the cathodic protection can be continuously provided, and the stability is good.

This invention provides a single-crystal thin film, its preparation method, and its application. The single-crystal thin film of this invention comprises a substrate layer, an isolation layer, and a lithium tantalate niobate thin film layer sequentially stacked; the lithium tantalate niobate thin film layer comprises LiTa. x Nb 1‑x O3, where 0 < x < 1. The single-crystal thin film of the present invention can achieve flexible optimization of the performance parameters of the thin film material while maintaining the suitability of the single-crystal thin film for optoelectronic and integrated photonic device applications.

This invention relates to the field of marine technology and proposes a dynamic balance compensation structure for ships and its application method. The structure includes a hull, compartments, hinged supports, a linear buffer assembly, and a first locking mechanism. Two compartments are arranged side-by-side within the hull. The relatively distant sides of the two compartments are hinged to the hull via the hinged supports. The linear buffer assembly is disposed within the hull and abuts against the opposing surfaces of the two compartments. The first locking mechanism is disposed within the hull and is used to limit the movement of the two compartments. When the hull sways from side to side, this invention uses the linear buffer assembly to drive the two compartments to swing along the hinged supports, thereby achieving balance compensation. Since this structure only requires the linear buffer assembly to drive the compartments to swing, without involving frequent motor commutation, and the force is transmitted axially along the linear buffer assembly, it offers higher stability, greater safety and reliability, and wider applicability compared to methods using motor commutation compensation.

The application discloses a kind of foam ceramic-based biofilm carrier and preparation method thereof, and the application is more excellent in dispersibility and compatibility by adding modified lithium bentonite and modified activated carbon, to promote the foam ceramic-based biofilm carrier with better quality, which can significantly increase the biological affinity of the system, help to improve the biofilm efficiency and quality, and after high-energy radiation, more active sites are generated on the surface, enhancing the interaction with silane coupling agent, thereby improving the degree of surface functionalization, with higher application stability;By adding a specific binder, it helps to form a more stable cross-linked structure, and synergistically acts with the reinforcing filler, making the application mechanical properties of the foam ceramic-based biofilm carrier more excellent, and overall, a foam ceramic-based biofilm carrier with better mechanical strength and biological affinity is obtained, which is applied to the treatment of sewage by biofilm method, with excellent biofilm rate, biofilm stability and adhesion, thereby making the sewage treatment effect more significant.