30results about How to "Interface stability" patented technology

An integrated cleaning and liquid supply device and online cleaning method for polyurethane polishing pads are disclosed. The device includes a base, a rotating seat, a swing arm, an independent liquid supply pipeline system and cleaning pipeline, a high-pressure nozzle array, and a positioning sensor assembly. During the polishing stage, polishing liquid is dripped through the liquid supply outlet. During the cleaning stage, the swing arm moves centripetally to a preset position aligned with the center of the polishing pad. The positioning sensor triggers a high-pressure pump, causing pure water to be sprayed as an atomized jet along the diameter of the pad surface through the high-pressure nozzle array. Simultaneously, the polishing pad rotates at a low speed, utilizing the synergistic effect of centrifugal force and high-pressure water flow to thoroughly remove residual contaminants within the micropores of the polyurethane. This invention integrates liquid supply and deep cleaning functions into the same motion mechanism, eliminating the need for machine shutdown or manual intervention. It offers advantages such as non-contact, non-destructive, thorough cleaning, and high automation, extending the life of the polishing pad and improving the stability of the CMP process.

The invention discloses a trans-perovskite solar cell based on double boric acid group anchoring and a preparation method thereof. The solar cell comprises a substrate, an anode, a hole transport layer, a co-self-assembly molecular layer, a perovskite light absorption layer, an electron transport layer and a cathode which are stacked. The co-self-assembly molecular layer comprises a first self-assembly molecule and a second self-assembly molecule of an organic compound containing two boric acid anchoring groups and a conjugated skeleton; the conjugated skeleton has at least: an extended conjugated structure including an aryl group, a biaryl group, a plurality of aryl groups bridged by heteroatoms, a heteroaryl group, and a plurality of heteroaryl groups connected by chemical bonds; the regulating group comprises an atom or a group for providing lone pair electrons, or a substituent containing a halogen atom. According to the invention, collaborative optimization of the interface stability, the carrier extraction efficiency and the interface functionality is realized through the co-self-assembly molecular layer, and the photoelectric conversion performance and the stability of the solar cell are improved.

The application belongs to the technical field of all-solid-state lithium-sulfur battery materials, and relates to a lithium sulfide nano composite positive electrode material with high reaction kinetics and a preparation method and application thereof. The application aims to solve the deficiencies of the lithium sulfide positive electrode material in ion and electron conductivity, reduce the activation barrier of the lithium sulfide positive electrode material, improve the battery redox kinetics, and further improve the rate performance and cycle capacity of the battery. The lithium sulfide nano composite positive electrode material is prepared by using an in-situ synthesis method, the obtained composite material has rich metal atom crystals embedded in the lithium sulfide matrix, and a layer of amorphous carbon is uniformly coated on the surface. The finally obtained lithium sulfide nano composite positive electrode material exhibits high reversible capacity and excellent rate performance. The application has the characteristics of uniform coating and simple process, is suitable for large-scale production, and has a wide application prospect in the field of all-solid-state lithium-sulfur batteries.

The application provides a high-thermal-conductivity diamond / copper composite material and an SPS sintering process thereof, raw material pretreatment: selecting three kinds of monocrystalline diamond particles with different particle sizes, mixing the titanium-plated diamond obtained after vacuum titanium plating treatment; solid dry powder mixing: uniformly mixing a solid additive and graphene modified copper powder to prepare a copper-based composite dry powder; nitrogen intermittent airflow suspension dispersion: adding the titanium-plated diamond into a sealed covering tank to make the titanium-plated diamond suspended and dispersed in the sealed covering tank; atomization covering makes the copper-based composite dry powder uniformly covered on the surface of the titanium-plated diamond to obtain composite particles; vacuum low-temperature degreasing to obtain the composite particles after degreasing, and SPS sintering demolding to obtain the high-thermal-conductivity diamond / copper composite material. The coating is uniform and dense, has no exposure and no agglomeration, and significantly reduces porosity and interface thermal resistance; the proportioning is accurate, the degreasing is thorough, and there is no residue; the generation of brittle phases is inhibited, and the interface combination is excellent; the thermal conductivity is stable and greater than 700 W / (m*K), and the density is greater than or equal to 99%.

The invention discloses an internally-added non-silicon release master batch, a preparation method and a release film with nanoscale roughness, preparation raw materials comprise PET resin I, a non-silicon release agent composition and an antioxidant, and the non-silicon release agent composition comprises polyester wax and oxidized polyethlene wax. According to the invention, polyester wax and oxidized polyethlene wax are compounded, and a release functional phase which is uniformly dispersed in nanoscale and has a stable interface is constructed in a PET matrix through a unique molecular synergistic effect and a processing technology matched with the polyester wax and the oxidized polyethlene wax, so that the fundamental contradiction that the surface of an internally added release film is rough and the release function is difficult to consider at the same time is solved; and meanwhile, silicon migration pollution is fundamentally eradicated, the process is simplified by utilizing an internal addition process, and recycling is facilitated.

This application relates to the field of energy storage materials technology, and more particularly to a titanium-based active material, its preparation method, and its application. The titanium-based active material comprises a mixed oxide having a layered perovskite structure, the mixed oxide having the general chemical formula shown in Formula 1, M... 2± a La x‑y M1 y B n‑z M2 Z O (3n+1)‑δ Q δ Formula 1; in Formula 1, the M site includes H and / or an alkali metal element; the M1 site includes at least one of Mg, Ca, Sr, Ba, and rare earth elements; the M2 site includes a specified transition element and at least one of Al, Ga, In, Si, Sn, Sb, and Bi; the Q site includes at least one of F, Cl, Br, I, N, and S; the B site satisfies: Nb 2n‑3x‑z Ti 3x‑n Or Nb 2n‑3x Ti 3x‑n‑z This titanium-based active material possesses high energy density, ultra-fast charging capability, long cycle life, and intrinsic safety.

The present application relates to a kind of preparation method of full solid battery double-layer ultrathin electrolyte film based on transfer printing technology.The present application utilizes the high voltage stability of halide layer and the high ionic conductivity of sulfide layer to synergistically improve the cycle life and high rate performance of battery and other performances through halide / sulfide double-layer electrolyte design.Further, the transfer printing process of multi-layer electrolyte film is designed specifically, and the gradient drying process can avoid substrate deformation, effectively prevent halide / sulfide interlayer cracking, and enhance the interlayer adhesion, achieving electrode thinning, high mechanical strength and interface stability.The present application solves the technical bottleneck of the application difficulty of double-layer electrolyte structure in full solid battery through material system optimization and transfer printing process innovation, and is suitable for the industrial production of high energy density solid state battery.

The invention provides an evaporation method and application thereof, and relates to the technical field of vacuum evaporation, the evaporation method comprises the following steps: preheating an evaporation boat, a tungsten mesh and a solid aluminum source arranged on the tungsten mesh; pre-melting treatment is conducted, the solid aluminum source is melted, and molten aluminum covering part of the surface of the tungsten net is formed; pre-evaporation treatment is conducted, the molten aluminum is evaporated, and an initial infiltration area is formed; in the primary wire feeding stage, aluminum wires are fed at the first wire feeding speed, molten aluminum obtained after the aluminum wires are molten is spread in the initial infiltration area till the tungsten mesh is completely infiltrated by the molten aluminum, and at least part of the tungsten mesh is consumed; in the secondary wire feeding stage, aluminum wires are fed at the second wire feeding speed, and the tungsten net is completely consumed; and an evaporation stage: evaporating an aluminum metal layer on the base film. According to the evaporation method provided by the invention, the spreading uniformity and evaporation stability of the molten aluminum are improved, and the technical problems of narrow liquid level, frequent splashing and non-uniform coating thickness caused by non-uniform heat distribution in the traditional process are solved.

This invention discloses a parallel-interface engineered viologen-based defective carbon nitride composite material, its preparation method, and its applications, belonging to the field of energy catalysis and photochemical materials technology. The material comprises: a defective graphitic carbon nitride support; single-atom platinum catalytic sites supported on the support; and a selenium-containing viologen compound anchored by covalent bonds in a configuration parallel to the support surface. Through a bilateral covalent bonding strategy, viologen molecules are stably anchored in a parallel configuration to the single-atom platinum-modified defective carbon nitride surface, constructing a highly efficient and stable "electron bridge" structure, significantly enhancing interfacial bonding and photogenerated electron transport efficiency. This composite material exhibits excellent photocatalytic hydrogen evolution activity and efficient coupling ability with benzylamine oxidation under visible light, and its activity retention rate reaches over 92% after 144 hours of cycling. It provides a new paradigm for solving the problem of poor interfacial stability in photocatalysts and has significant application prospects in the field of solar fuel synthesis.

The invention discloses a PAM gel polymer electrolyte electroplating solution for electrogalvanizing and a galvanizing process, and the PAM gel polymer electrolyte electroplating solution is a ternary system mainly composed of a PAM polymer skeleton, a metal salt and a liquid plasticizer, the PAM polymer skeleton is polymerized by an acrylamide monomer and forms a three-dimensional network structure through physical or chemical crosslinking, the metal salt is a soluble zinc salt, the liquid plasticizer is a liquid electrolyte containing a soluble conductive salt, and pores of the three-dimensional network structure of the PAM polymer skeleton are filled with the liquid plasticizer dissolved with the metal salt. And finally, the PAM gel polymer electrolyte electroplating liquid for electrogalvanizing is formed. The liquid phase of the PAM gel polymer electrolyte electroplating liquid is locked through a fixed polymer network of the PAM gel polymer electrolyte electroplating liquid, and the hydrogen evolution reaction (HER which can cause interface disturbance and destroy directional migration of Zn < + >) of the water electroplating liquid can be inhibited, so that a calm and stable interface environment is created, and uniform distribution of zinc ion flow is ensured.

The invention discloses a modified PVDF (Polyvinylidene Fluoride) binder for a sulfide all-solid-state battery as well as a preparation method and application of the modified PVDF binder. The preparation method of the modified PVDF binder comprises the following steps: dissolving polyvinylidene fluoride, a polymerizable monomer and a chain transfer agent in N, N-dimethylformamide, and carrying out a modification reaction to obtain a block copolymer; precipitating and separating out in methanol, washing, and drying in vacuum to obtain the white powdery modified PVDF binder. The invention also discloses the modified PVDF binder prepared by the method, a composite positive electrode with a gradient structure, and an all-solid-state battery comprising the composite positive electrode. The prepared modified PVDF has good solubility in a non-polar solvent, and erosion of the polar solvent to sulfide electrolyte is avoided. A continuous gradient structure from an electron enrichment area to an ion enrichment area is constructed in the pole piece, the prepared composite positive pole piece has excellent electron and ion conduction at the same time, and the problems of interface transmission bottleneck and solvent compatibility in a sulfide system are effectively solved.

The invention discloses a stress whitening-resistant rigid-tough balanced modified polypropylene material and a preparation method thereof. The composite material comprises the following raw materials in percentage by weight: 60-80% of impact-resistant co-polypropylene; 20 to 30% of talcum powder; 5-15% of a polyolefin elastomer; 5-15% of high density polyethylene; 0.1 to 2% of a compatilizer; 0.2-1% of a stabilizer; and 0-5% of other additives. Under the condition of ensuring the performance of the material, the stress whitening resistance of the material is improved and the material has good self-repairing performance by properly increasing the content of the toughening body and changing the variety of the toughening body. Besides, the compatibility of the modified polypropylene and the filler is enhanced, so that the material still has higher thermal deformation temperature and lower cost, the application range of the product is expanded, and the material is also suitable for large-scale rapid application.

The invention relates to an array substrate and a preparation method thereof, and a display panel. The array substrate comprises a first transistor and a substrate; the buffer layer is positioned on one side of the substrate; the first metal layer is located on the side, away from the substrate, of the buffer layer, the first metal layer comprises a first grid electrode of the first transistor, the first grid electrode comprises a first surface, a convex body extending in the direction away from the substrate is formed on the first surface, the convex body has a first orthographic projection on the substrate, and the first surface located outside the convex body has a second orthographic projection on the substrate; the active layer is located on the side, away from the substrate, of the first metal layer, the active layer comprises an active structure, the active structure comprises a channel region, at least part of the channel region and at least part of the first grid electrode are oppositely arranged, and the orthographic projection of the first part of the active structure on the substrate at least partially covers the first orthographic projection; and a second metal layer comprising a first pole of the first transistor, the first pole of the first transistor comprising a second surface facing the substrate, the second surface being in contact with the second portion.

This application relates to the field of soil improvement technology and provides a slow-release microsphere soil conditioner. The slow-release microsphere soil conditioner comprises a core layer, a shell layer, and an outer layer from the inside out. The core layer includes a calcium source, active components, nutrient components, and fillers. The shell layer covers at least a portion of the surface of the core layer and includes anionic polysaccharides, cationic polymers, and metal-polyphenol coordination compounds. The outer layer covers at least a portion of the surface of the shell layer and includes mineral carbon-based functional components and binding components. This application, through the structure of the core layer, shell layer, and outer layer, and a preparation method matching this structure, enables the different components to exhibit differences in spatial distribution and action time, thereby forming a continuous action pathway of preferential interface conditioning in the outer layer, slow-release regulation in the shell layer, and continuous repair and supply in the core layer.

The invention relates to a double-cavity heterogeneous micro-electrolytic cell based on theta-shaped glass tubes and a preparation method thereof.The double-cavity heterogeneous micro-electrolytic cell is prepared through a unique'double-wire packaging-selective dissolving 'process and specifically comprises the steps that a laser drawing instrument is used for drawing the middles of the theta-shaped glass tubes with metal wires in two cavities respectively; two independent theta-shaped glass tubes with tips respectively are obtained; hydrophobizing the outer wall of the tip end of one theta-shaped glass tube; then, one metal wire is selected to be dissolved, so that a micro-channel is formed in the cavity of the tip; and then carrying out electrode assembly after polishing to obtain the double-cavity heterogeneous micro-electrolytic tank. According to the process, a'solid electrode cavity / hollow channel cavity 'heterostructure is created through selective dissolution, a three-electrode system is perfectly integrated in a tiny theta-shaped tip, the structure is compact, and analysis of extremely trace samples can be realized. The problems that a traditional micro-electrolytic tank is difficult to integrate and unstable in interface are solved, and the micro-electrolytic tank is suitable for high-sensitivity detection of micro-samples.

This invention discloses a cathode material and its preparation method, a cathode electrode sheet, and an all-solid-state lithium battery, belonging to the field of all-solid-state lithium battery technology. The cathode material includes a core and a composite coating layer covering the surface of the core. The core includes a ternary cathode material. The composite coating layer includes an inner coating layer, a middle coating layer, and an outer coating layer arranged sequentially from the inside out. The inner coating layer is a solid electrolyte, the middle coating layer is at least one of lithium niobate, lithium zirconate, and lithium tantalate, and the outer coating layer is lithium phosphate. Both the middle and outer coating layers are continuous films. Along the diameter direction of the core, the elastic modulus of the inner coating layer is greater than that of the middle coating layer, and the elastic modulus of the middle coating layer is greater than that of the outer coating layer.

The invention discloses an amorphous iron-based silicon-phosphorus composite negative electrode material and a preparation method and application thereof, the raw materials of the iron-based silicon-phosphorus composite negative electrode material comprise an iron element, a silicon element, a phosphorus element and a carbon material, the molar ratio of the silicon element to the phosphorus element is 2: 1-1: 2, the molar ratio of the silicon element to the iron element is 8: 1-1: 2, and the mass ratio of an iron / silicon / phosphorus mixture to the carbon material is 5: 5-8: 2; the iron-based silicon phosphorus composite negative electrode material is prepared by a one-step or multi-step mechanical ball milling method. In the iron-based silicon phosphorus composite negative electrode material, the introduction of the iron elementary substance induces the microstructure to be disordered and reduces the lithium ion diffusion energy barrier, and meanwhile, the iron elementary substance and the lithium phosphide formed in situ respectively provide abundant electron and ion transmission paths and cooperatively buffer the huge volume deformation of the silicon negative electrode in the lithiation / delithiation process; furthermore, the electrochemical reversibility, the cycling stability and the rate capability of the material in the lithium storage process are effectively improved.

The application discloses a solid-state plastic crystal electrolyte precursor and a preparation method and application thereof, and comprises a polymerizable component, a lithium salt, butanedinitrile, a thermal initiator and an ion synergistic regulator; wherein the ion synergistic regulator is one or several of inorganic anion salt and organic anion salt. Compared with the prior art, the solid-state electrolyte film proposed in the application promotes the butanedinitrile to construct regular clusters or large-grained superlattices through the synergistic effect of the ion synergistic regulator and the polymer network, provides efficient conduction channels for lithium ions, and has super-high ion conduction performance. In addition, the solid-state plastic crystal electrolyte is suitable for high-capacity lithium metal negative electrodes and high-nickel ternary positive electrodes, and the lithium metal solid-state battery constructed thereby exhibits excellent energy density, rate performance and cycle stability.

The invention provides a negative plate, a preparation method and a battery. The negative plate comprises a negative current collector; the active material layer is arranged on the surface of the negative electrode current collector, the active material layer comprises a negative electrode active material, a conductive agent, a binder and a conductive polymer layer, the conductive polymer layer is formed on the surfaces of the negative electrode active material and the conductive agent and forms a continuous surface, and the conductive polymer layer comprises 3, 4-ethylenedioxythiophene and sodium polystyrenesulfonate; the conductive polymer layer can effectively stabilize the interface between the negative electrode and the electrolyte, inhibit the side reaction of the electrolyte or the growth of metal dendrites, and prolong the cycle life of the battery; sodium polystyrenesulfonate is water-soluble, so that a 3, 4-ethylenedioxythiophene and sodium polystyrenesulfonate compound can be stably dispersed in water and effectively deposited on the surfaces of the adjacent negative electrode active material and the conductive agent, a conductive polymer layer is constructed on the battery negative electrode, and the electrochemical performance and the cycle stability can be remarkably improved.

A method for preparing a molybdate conversion film self-supporting aluminum foil negative electrode. It relates to a method for preparing a lithium ion battery negative electrode material. The present invention solves the problems of low specific capacity of lithium ion battery negative electrode material, rapid capacity attenuation and the like. The method of the present invention is as follows: 1. Pretreatment of aluminum foil; 2. Preparation of molybdate conversion coating; 3. Pre-lithiation of molybdate conversion film self-supporting aluminum foil negative electrode; 4. Preparation of lithium ion battery positive electrode and battery assembly. The pre-lithiated aluminum foil negative electrode material prepared by the method of the present invention has smaller impedance, relatively lower polarization, higher charge / discharge specific capacity and more stable cycle compared with the battery assembled by the aluminum foil negative electrode material without pre-lithiation. By generating a molybdate conversion film on the surface of the aluminum foil in situ, the liquid affinity of the aluminum foil surface can be effectively improved, thereby improving the contact area of the electrode and the electrolyte. A new direction is provided for the preparation of lithium ion battery negative electrode material. The present invention is applied to the field of lithium-free anode full battery.

The invention provides a positive plate, a preparation method and a battery. The positive plate comprises a positive current collector and a positive active material layer, the positive electrode active material layer comprises a first positive electrode active material layer and a second positive electrode active material layer which are sequentially arranged in the direction away from the surface of the positive electrode current collector, the first positive electrode active material layer comprises lithium nickel manganese oxide, and the second positive electrode active material layer comprises lithium nickel cobalt manganese oxide; the first positive electrode active material layer adopts lithium nickel manganese oxide, has a more stable crystal structure and stronger mechanical property, and can provide more stable adhesive force and a more stable interface as a bottom layer in contact with the positive electrode current collector, so that the overall mechanical property and thermal stability of the positive electrode plate are enhanced; the second positive electrode active material layer adopts low-cobalt nickel cobalt lithium manganate and can be in direct contact with an electrolyte, the capacity advantage of the second positive electrode active material layer is fully played, and meanwhile, the volume change of the second positive electrode active material layer is supported and constrained by a bottom layer stable structure, so that the cycling stability of a high-capacity material is remarkably improved.

The invention relates to the technical field of perovskite solar cells, in particular to a crown ether hole transport material, a preparation method thereof and a perovskite solar cell. According to the material, a crown ether ring is used as a core functional group, and a conjugate conductive unit and a self-assembly anchoring group are connected to form an anchoring group-conjugate skeleton-crown ether ring structure. According to the preparation method, the crown ether hole transport material is synthesized step by step through two steps of Suzuki coupling, nucleophilic substitution, Arbuzov reaction and hydrolysis reaction. The material can be accurately matched with perovskite cations, passivate surface defects and improve hole mobility and interface stability, the photoelectric conversion efficiency of a small-area device breaks through 25.5%, film forming is uniform, synthesis is easy and convenient, cost is low, large-area preparation is adapted, and the problems that an existing material is low in efficiency and poor in stability can be remarkably solved.

The application discloses a tungsten alloy composite material with enhanced electromagnetic shielding performance and application thereof in aircraft electronic equipment, and belongs to the technical field of electromagnetic shielding of tungsten alloy composite materials. The tungsten alloy composite material with enhanced electromagnetic shielding performance and application thereof in aircraft electronic equipment adds nitrogen-doped carbon nanotubes, improves the electromagnetic shielding performance and mechanical properties. In the microstructure design, anisotropic material is used to realize performance optimization in different directions. Through reasonable formula and processing technology, the composite material significantly improves the absorption and reflection ability of electromagnetic waves on the basis of maintaining the excellent mechanical properties of the tungsten alloy. When the material is applied in aircraft electronic equipment, it can not only effectively shield high-frequency electromagnetic waves and reduce electromagnetic interference, but also has good high-temperature resistance and corrosion resistance, ensuring the long-term stable operation of the equipment, and is suitable for high-performance requirements in the fields of aviation and aerospace.

The application discloses an anti-stone degradable medical magnesium alloy and a preparation method thereof, relates to the technical field of biomedical materials, and aims to solve the technical problems that the prior art cannot simultaneously realize degradable control, interface stability and active anti-stone. The application comprises the following steps: S1. Rheocasting preparation of a magnesium alloy base body: magnesium alloy raw materials are melted under a protective atmosphere, overheated to 50-80 DEG C above the liquidus, poured onto a cooling plate with an inclination angle ranging from 30 to 60 DEG to form a semi-solid slurry, pressed into a mold at a pressure of 80-150 MPa and a speed of 0.2-0.5 m / s, and the mold is opened after pressure and heat preservation for 5-10 min, so that the magnesium alloy base body is obtained. The application has excellent anti-stone performance. On a physical level, the composition gradient transition structure uniformly releases the corrosion products of the magnesium alloy in the form of fine particles, and avoids the accumulation of large products to form stone cores.

This invention belongs to the field of biomedical materials and flexible sensing technology, and particularly relates to an implantable pressure sensor, its preparation method, and its application. The pressure sensor has a three-layer parallel plate structure, wherein the electrode layer is a conductive hydrogel prepared from polymerizable zwitterionic monomers, the dielectric layer is a microphase-separated hydrogel formed by copolymerization of acrylamide monomers and acrylate monomers, and the encapsulation layer is a biocompatible polymer fiber membrane. By controlling the material composition, polymerization conditions, and structure, the device achieves good matching with biological soft tissues in terms of water content and tissue adaptability. In terms of functional characteristics, the implantable sensor exhibits advantages such as sensitive pressure response and strong cyclic stability, and can be applied in fields such as tissue engineering, physiological or pathological signal monitoring, neural stimulation modulation, and drug delivery.

The utility model relates to cable protection equipment technical field, concretely relates to the wire cable and anti -bending structure of anti -bending, wherein, the anti -bending structure includes the protection mechanism, and the protection mechanism mainly is connected with the length adjusting mechanism by two fixed bases and is constituted, and the fixed base both ends are equipped with fixed bolt symmetrically, and the bolt output end connects the self -adaptation clamping assembly, and this clamping assembly adopts three -layer composite structure: rigid support layer provides main clamping force, and elastic buffer layer absorbs vibration stress, and the resistance block on rubber pad ensures that cable is fixed and does not slide. The length adjusting mechanism includes fixed cylinder and movable column, and realizes the flexible adjustment of protection mechanism length through sliding fit. The utility model discloses through multilayer clamping structure and adjustable design, effectively solved the problem that traditional protection device clamping force is uneven, and cable surface is easy to damage, has the characteristics such as structural stability, installation flexibility, good protection effect.

This invention belongs to the field of thin film material preparation technology, specifically relating to a passivated NiO x Thin-film perovskite solar cells and their fabrication methods. This invention utilizes SAM formed by mixing DPA-carbazole derivatives and potassium 4-chlorophenyltrifluoroborate as NiO. x The passivation layer of the thin film, potassium 4-chlorophenyltrifluoroborate, is used to fill the vacancies within the SAM structure, ensuring that the SAM completely covers the NiO. x On a thin film. The perovskite solar cell consists of a conductive substrate and a passivated NiO layer, arranged sequentially. x The invention comprises a thin film, a perovskite light-absorbing layer, an electron transport layer, an electron blocking layer, and a metal electrode. The SAM layer is used to enhance the light absorption of NiO. x Interface modification of perovskite solar cells can passivate surface defects in their thin films and reduce non-radiative recombination; it can also improve the interface energy level matching and increase conductivity; thereby improving the open-circuit voltage, fill factor and stability of the device.

The invention relates to the technical field of electrochemical energy storage, in particular to an aqueous zinc battery electrolyte system for a high-current-density condition and application of the aqueous zinc battery electrolyte system. The aqueous zinc battery electrolyte system comprises zinc salt and a first organic additive, the first organic additive comprises 1, 4-butynediol. According to the electrolyte system with the 1, 4-butynediol as the main interface regulation component and the application of the electrolyte system, hydroxyl and acetylenic bonds in 1, 4-butynediol molecules can act on a water molecule hydrogen bond network and the surface of metal zinc in a synergistic mode, the crystal face orientation and interface reaction kinetics of zinc deposition are regulated and controlled, therefore, disordered growth of zinc dendrites is inhibited, and the service life of the electrolyte system is prolonged. And a uniform and compact deposition layer is obtained.

The invention relates to an array substrate and a preparation method thereof, and a display panel. The array substrate comprises a substrate; the spacing layer is located on one side of the substrate, the spacing layer comprises a first surface deviating from the substrate, at least one groove sunken towards the substrate is formed in the first surface, and the groove has a first orthographic projection on the substrate; the first metal layer is located on the first surface and comprises a first grid electrode of a first transistor; the active layer is insulated from the first metal layer and located on the side, away from the substrate, of the first metal layer, the active layer comprises an active structure, the active structure comprises a channel region, at least part of the channel region and at least part of the first grid electrode are oppositely arranged, and the active structure comprises a first part and a second part; the orthographic projection of the first part on the substrate at least partially covers the first orthographic projection; the second metal layer is located on the side, away from the substrate, of the active layer, the second metal layer comprises a first electrode of the first transistor, the first electrode of the first transistor comprises a second surface facing the substrate, and the second surface makes contact with the second part.

The application belongs to the technical field of chemical energy storage batteries, and particularly provides a chiral hydrogel electrolyte based on supramolecular assembly and a preparation method thereof, so as to solve the problems of ion channel disorder and insufficient free water binding of traditional non-chiral gel electrolytes; the application introduces single pure configuration chiral guest molecules into a non-chiral polymer substrate, forms a supramolecular chiral film based on stereodirectional supramolecular assembly, and obtains a chiral hydrogel electrolyte after swelling and saturation in an aqueous electrolyte; the chiral guest molecules reshape the topological network of the polymer as topological guests, form a stereodirectional network, and make the energy storage modulus of the gel jump, so that the gel has the ability to resist dendrite penetration; at the same time, the chiral guest molecules can realize interface stabilization of the negative electrode and further inhibit the negative electrode dendrite; in addition, the stereodirectional network can greatly limit the activity of free water molecules and eliminate the corrosion of free water molecules on the vanadium positive electrode and vanadium dissolution.