103 results about "Imidazolate" patented technology

The invention discloses a carbon quantum dot / metal organic framework composite material as well as a preparation method and application thereof, and the method is characterized in that carbon quantum dots derived from waterborne polyurethane are embedded into a zeolite imidazate framework 8 to prepare the carbon quantum dot / metal organic framework composite material. The composite material can be used as a ratio type fluorescent probe for trace detection of tetracycline, a dual-emission fluorescence signal of the probe is derived from tetracycline which quenches blue fluorescence of puCDs at 450 nm through an inner filter effect, and the coordination effect between Zn < 2 + > and tetracycline triggers an aggregation-induced emission effect, so that new fluorescence emission is generated, and the detection sensitivity is improved. The intensity of the two signals changes in proportion to the concentration of tetracycline, the wide linear concentration detection range and the low detection limit are achieved, the probe has the high recovery rate and the large adsorption capacity in detection, the problems that a traditional detection method is insufficient in sensitivity, poor in anti-interference capacity, high in cost and the like are solved, and the application prospect is wide. A new thought is provided for constructing a ratio type fluorescent probe with a removal function.

The invention discloses an antibacterial polyolefin composite pipe and a preparation method thereof, and belongs to the technical field of polymer pipes. The antibacterial polyolefin composite pipe comprises an inner layer and an outer layer, wherein the inner layer comprises the following components in parts by mass: 88-95 parts of polypropylene random copolymer, 3-6 parts of an antibacterial agent, 3-6 parts of a compatilizer and 0.1-1 part of an antioxidant; the antibacterial agent comprises silver ions and an antibacterial carrier, and the antibacterial carrier comprises sulfonated graphene oxide and a metal type imidazolate skeleton. The antibacterial agent is introduced into the inner layer, the antibacterial agent is compounded by an antibacterial carrier and silver ions, precipitation of silver can be effectively slowed down, the initial antibacterial effect of the polyolefin composite pipe is guaranteed, meanwhile, the antibacterial durability of the polyolefin composite pipe is improved, breeding of microorganisms such as bacteria can be effectively inhibited under the actual working condition of tap water, and the service life of the polyolefin composite pipe is prolonged. Therefore, a pipeline system of the polyolefin composite pipe is suitable for conveying drinking water for a long time.

The present invention relates to the technical field of oral medicine and oral medical products, and in particular to a targeted nano-enzyme antibacterial agent having an oral microbiota level adaptive regulation function and a preparation method therefor. Specifically, a nitrogen-doped zeolite imidazolate framework material is used as a carrier; a bimetallic monatomic nano-enzyme is prepared by means of a pyrolysis method; and an antibacterial peptide is used as a surface anchoring body and is modified on the surface of the nano-enzyme, so that a multifunctional nano-enzyme having a high targeting colonization ability, a high-efficiency antibacterial biofilm and an antibacterial effect is obtained. Also provided are a pharmaceutical composition, an antibacterial agent, and an oral care product containing the nano-enzyme.

The invention relates to the technical field of automotive interior materials, and particularly discloses an environment-friendly flame-retardant polyurethane interior material and a preparation method thereof.The attapulgite is subjected to modification treatment through zeolite imidazolium salt and then compounded with magnesium hydroxide coated expansible graphite, a compound flame retardant is formed and added into a polyurethane material, the two components achieve a synergistic flame retardance effect, and the flame retardance of the polyurethane material is improved. The prepared environment-friendly flame-retardant polyurethane interior material is halogen-free and phosphorus-free, is low in smoke release amount during combustion, is environment-friendly and has good flame-retardant performance.

A method of removing hydrogen sulfide from a subterranean geological formation includes mixing a zinc-imidazolate material, ZIF-8, in an amount of 0.1 to 2.5 percent by weight with an organic liquid containing one or more unsaturated oils to form a drilling fluid suspension with a pH of 10 or more. The method includes injecting the drilling fluid suspension in the subterranean geological formation, circulating the drilling fluid suspension in the subterranean geological formation to form an oil-based mud, and scavenging hydrogen sulfide from the subterranean geological formation.

The invention provides a fluorescence sensor 4-MU (at) ZIF-8 (at) PLA-PEG as well as a preparation method and application thereof, and belongs to the technical field of visual food safety monitoring materials. The fluorescence sensor comprises a zeolite imidazate framework ZIF-8, an organic dye molecule 4-MU and a polymeric macromolecule PLA-PEG (Polylactic Acid-Polyethylene Glycol), the organic dye molecule 4-MU is coated with the zeolite imidazate framework ZIF-8 to form 4-MU (ZIF-8 nano particles with a core-shell structure, and the 4-MU (ZIF-8 nano particles with the core-shell structure are doped into a polymeric macromolecule PLA-PEG (Polylactic Acid-Polyethylene Glycol). The ZIF-8, 4-MU and PLA-PEG in the fluorescence sensor provided by the invention can cooperate with each other, can visually detect TCs with high response speed and low detection limit, and has certain mechanical properties and antibacterial properties, thereby providing a new thought for the field of intelligent packaging for detecting TCs in food at present.

The invention provides a platinum-based catalyst and a preparation method and application thereof, and belongs to the technical field of fuel cells. The preparation method comprises the following steps: mixing a polymer solution, a conductive agent and a zeolite imidazate framework material to obtain an electrostatic spinning solution; carrying out electrostatic spinning on the electrostatic spinning solution, and then carrying out heat treatment to obtain composite nanofibers containing metal nanoparticles or metal oxide nanoparticles; and mixing the composite nanofiber, a platinum source and an organic solvent, and carrying out a reduction reaction to obtain the platinum-based catalyst. According to the preparation method, the polymer solution, the conductive agent and the zeolite imidazate framework material are mixed, and uniform distribution of all the components on the nanoscale can be ensured by virtue of an electrostatic spinning technology, so that a stable and efficient three-phase interface can be formed; the metal nanoparticles or metal oxide nanoparticles obtained by conversion are compounded with platinum particles, so that the catalyst exposes more active sites, and the efficient proceeding of the catalytic reaction is facilitated.

The present invention provides a zeolite imidazolate skeleton polycrystalline membrane and a preparation method thereof, comprising: S1: preparing a precursor solution containing metal ions and organic ligands, coating the precursor solution on a carrier, and heating and cooling the carrier coated with the precursor solution to prepare an amorphous film; the precursor solution includes a metal salt, an organic ligand, and a solvent; the zeolite imidazolate skeleton material is composed of a metal node, an organic ligand A, and an organic ligand B; the organic ligand A is imidazole-2-formaldehyde or 2-methylimidazole, and the organic ligand B is selected from 2-methylimidazole, benzimidazole, 2-aminobenzimidazole, 4,5-dichloroimidazole, 2-nitroimidazole, and 4-methylimidazole-5-formaldehyde; and the solvent is methanol. S2: treating the amorphous film with steam generated by heating a polar solvent to form a crystalline film; S3: activating the crystalline film with a volatile solvent; and the present invention prepares a continuous, dense, defect-free zeolite imidazolate skeleton membrane with strong carrier binding and gas separation performance.

A method of removing hydrogen sulfide from a subterranean geological formation includes mixing a zinc-imidazolate material, ZIF-8, in an amount of 0.1 to 2.5 percent by weight with an organic liquid containing one or more unsaturated oils to form a drilling fluid suspension with a pH of 10 or more. The method includes injecting the drilling fluid suspension in the subterranean geological formation, circulating the drilling fluid suspension in the subterranean geological formation to form an oil-based mud, and scavenging hydrogen sulfide from the subterranean geological formation.

The invention relates to a preparation method of a fluorescence sensor. The invention relates to a preparation method of a portable pesticide detection fluorescence sensor of silver nanocluster (AgNCs) at zeolite imidazolate skeleton (ZIF) at polydopamine (PDA) and application of the portable pesticide detection fluorescence sensor in on-site rapid detection of 2, 4-dichlorophenoxyacetic acid (2, 4-D), and belongs to the technical field of fluorescence sensors. The method comprises the following steps: wrapping AgNCs with ZIF, and modifying the surface of the AgNCs with dopamine to form an AgNCs-ZIF-PDA composite material with high stability, high fluorescence enhancement, high enzyme responsiveness and high controllability; then, the material is integrated into a nano clay-acrylamide hydrogel matrix with high fitness, and a sensor with an adjustable shape is constructed. The sensor can be adaptively attached to the surface of a plant and is used for long-term in-situ monitoring of 2, 4-D pesticide. And in combination with an image processing algorithm, the system realizes accurate tracking of the tomato plant surface 2, 4-D degradation process, and the detection limit reaches 23.3 ng / mL. According to the invention, non-intrusive and low-cost technical support is provided for crop health management and sustainable precision agriculture.

The present invention relates to a zeolite imidazolate framework open nanostructured functional flame retardant and a preparation method and application thereof, belonging to the technical field of advanced functional materials. The present invention provides a zeolite imidazolate framework open nanostructured functional flame retardant having a unique yolk-shell structure, the surface of which has a large number of mesopores and macropore structures added on the basis of the micropore structure of the zeolite imidazolate framework. The presence of a multi-level pore structure is beneficial to the adsorption of flammable gases and toxic and harmful gases during the combustion of polymer materials, and enhances the smoke suppression effect of the flame retardant. There is a good synergistic effect between the ferrocene grafted on the zeolite imidazolate framework and the zeolite imidazolate framework, which can enhance the flame retardant efficiency of the functional flame retardant and at the same time give it excellent ultraviolet absorption ability. In addition, the introduction of ferrocene can effectively improve the compatibility between the functional flame retardant and the polymer matrix, thereby enhancing the mechanical properties of the polymer.

The application provides a preferentially oriented zeolite imidazolate framework-8 self-supporting gas separation membrane and a preparation method thereof. The method comprises the following steps: dissolving zinc acetate dihydrate, 2-methyl imidazole and cetyl trimethyl ammonium bromide in deionized water, and finally forming a self-supporting gas separation membrane with preferential orientation and cubic morphology through stirring, centrifugal treatment, filtration, standing of the growth solution and drying. In the preparation process, the proportion of each component, stirring conditions, temperature and humidity of the constant temperature and humidity box and other parameters are strictly controlled to ensure uniform growth and good mechanical strength of the membrane. The preparation method is simple and efficient, and the obtained membrane has excellent gas separation performance and long-term stability.

The invention relates to the high-efficiency synthesis of pure or multi-metallic derivatives of ZIF-11 or ZIF-12 or Amorph-ZIF structures, and subsequently the production of composite nano-structured materials with nano metal particles dispersed or embedded on a wide carbon surface through calcination under inert conditions, and the use of these composite nanomaterials as electrodes in Li-ion batteries, Li-S batteries, Na-ion batteries, K-ion batteries, supercapacitors, and fuel cells.

The invention discloses multi-adsorption-site nitrogen-doped porous carbon, a preparation method and application in iodine adsorption, and the preparation method comprises the following steps: carrying out primary calcination on a zeolite imidazate framework material, mixing with potassium hydroxide, and then carrying out secondary calcination to obtain the multi-adsorption-site nitrogen-doped porous carbon. According to the invention, a zeolite imidazate framework material is used as a precursor, potassium hydroxide is introduced for high-temperature calcination activation treatment, the obtained product inherits a rhombic dodecahedron framework of ZIF-8, a continuous through pore system and a nitrogen-doped carbon material with high pyrrole nitrogen content are formed, and the static adsorption capacity of the nitrogen-doped carbon material to iodine can reach 7.99 g / g.

The application discloses a polyacid zeolite imidazolate framework loaded monatomic catalyst and a preparation method and application thereof, and belongs to the technical field of catalysts. The preparation method of the catalyst is as follows: (1) preparing a zeolite imidazolate framework material; (2) mixing the dried zeolite imidazolate framework material and a metal salt in a solvent and stirring; then adding a heteropoly acid, controlling the pH in the system to be 5-7, and performing a solvothermal reaction under the condition of 80-120 DEG C; after the reaction is completed, cooling and centrifugal separation are performed to obtain a precipitate; and (3) performing calcination treatment on the precipitate to obtain the polyacid zeolite imidazolate framework loaded monatomic catalyst. The polyacid zeolite imidazolate framework loaded monatomic catalyst prepared by the method has high catalytic activity, high selectivity and good cycle stability, and has a good application prospect in acetyl propionate esterification reaction.

The present invention belongs to the technical field of synthesis and preparation of negative electrode materials for lithium-ion batteries, and specifically discloses a preparation method and application of a nitrogen-carbon porous material based on bimetallic ZIFs, comprising the following steps: S1, dissolving zinc nitrate hexahydrate, cobalt nitrate hexahydrate, and an organic ligand in a DMF solution in molar ratio, stirring evenly to obtain a reaction solution, generating a solid product by a solvent thermal synthesis method, and obtaining a bimetallic zeolite imidazolate framework powder material through centrifugation, washing, and drying; S2, pyrolysis and carbonization treatment of the bimetallic zeolite imidazolate framework powder material obtained in S1 under an inert atmosphere, cooling, soaking in a dilute hydrochloric acid solution, filtering, washing with water until neutral, and drying to obtain a nitrogen-carbon porous material. The present invention uses the prepared nitrogen-carbon porous material based on bimetallic ZIFs as a negative electrode material for lithium-ion batteries. The negative electrode material has high specific capacity, excellent cycle stability, and good rate performance, and shows good application prospects in the field of lithium-ion batteries.

The application discloses a preparation method of a nano-composite enzyme for detecting tannic acid, and the method comprises the following steps: step one, adopting alkaline amino acids and polypeptides with imidazole groups to simulate the primary structure of natural oxidase, and preparing amino acid and polypeptide modified cerium oxide with enhanced oxidase and peroxidase performance; step two, in-situ compounding the polypeptide modified cerium oxide and zeolite imidazolate framework material with large specific surface area, good stability, hydrophilicity and hydrophobicity, and specific electron distribution to obtain nano-composite enzyme with enhanced oxidase and peroxidase performance; and step three, after etching treatment of the nano-composite enzyme in a polar medium, the nano-composite enzyme with enhanced oxidase and peroxidase performance for detecting tannic acid is obtained. By utilizing the competition between tannic acid and a substrate, the tannic acid is detected by using a colorimetric or fluorescent method, and the operation process is simple and rapid, the selectivity is high, the detection limit is low, the detection range is wide, and the nano-composite enzyme shows a good application prospect for sensitive detection of tannic acid.

In one embodiment is provided an energy-efficient post-combustion CO2 capturing process utilizing protic ionic liquids made of an organic superbase and a weak acid in the presence of moisture. The concept is demonstrated in one embodiment with the ionic liquid, 1,8-diazabiclclo(5.4.0)undec-7-enium imidazolate, [DBUH][Im].

The invention belongs to the technical field of electro-catalysis, and particularly discloses a Cu nanoparticle / acidified carbon nanotube catalyst and a preparation method and application thereof.According to the preparation method, acidified pretreated carbon nanotubes with good conductivity and high specific surface area are selected as a substrate, CuO nanoparticles are evenly loaded through a hydrothermal method, and the Cu nanoparticle / acidified carbon nanotube catalyst is obtained; and growing a zeolite imidazate framework material-8 (ZIF-8) on the surface of the CuO nanoparticle-loaded carbon nanotube in situ, and regulating the thickness of an ultrathin nitrogen-carbon layer on the surface and coordination of Cu-N by regulating the calcining temperature and time. According to the Cu nanoparticle / acidified carbon nanotube catalyst as well as the preparation method and the application thereof, the Cu nanoparticles are encapsulated in a confined manner, so that long-service-life electrically-driven CO2 is converted into a high-added-value C2 + product, catalytic active sites of the Cu nanoparticles are fully exposed, the charge transfer rate is increased, and the intrinsic activity of the Cu active sites is improved.

The invention discloses a method for preparing polyimide by reducing the imidization temperature of polyamide acid, which comprises the following steps: carrying out polymerization reaction on an aromatic diamine monomer and an aromatic dianhydride monomer in an organic solvent to generate polyamide acid, and then adding ZIFs to obtain a polyamide acid solution / ZIFs compound; the polyamide acid solution / ZIFs compound solvent is volatilized to obtain a polyamide acid / ZIFs compound, and then the polyamide acid / ZIFs compound is heated, so that the polyimide acid in the polyamide acid / ZIFs compound is subjected to imidization reaction to generate polyimide. By adopting the method to prepare the polyimide, the reaction temperature for generating the polyimide through imidization of polyamide acid can be obviously reduced, namely, the imidization temperature is reduced to 220 DEG C from the traditional imidization temperature greater than 300 DEG C, and the obtained polyimide has good thermal stability and transparency and can be applied to the high and new technical fields of display devices, photoelectrons, microelectronics, aerospace and the like.

To improve chemical stability of a material containing a metal organic structure.SOLUTION: A composite material includes a metal organic structure, and a silicon-containing polymer. The metal organic structure includes a zeolite-like imidazolate structure. The silicon-containing polymer includes a principal chain having at least one selected from a group comprising a styrene unit, a butadiene unit, an ethylene unit, a cycloolefin unit, and a fluorine-containing olefin unit. The silicon-containing polymer has a functional group shown as -SiR3-n(OX)n, for example. n represents an integer from 1-3, and X represents a binding site with a hydrogen atom, a 1-10C hydrocarbon group, and the metal organic structure, or a binding site with a silicon atom other than the silicon atom in the functional group. At least one X is the binding site with the metal organic structure. R represents a 1-10C hydrocarbon group.SELECTED DRAWING: Figure 1

The invention discloses a preparation method of a high-performance antibacterial self-cleaning pipe, comprising the following steps: using zinc gluconate as a zinc source to prepare a zeolite imidazolate skeleton structure material; compounding basic magnesium sulfate whiskers and zeolite imidazolate skeleton structure materials and modifying them with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane to obtain a modified filler; mixing epoxy resin, a curing agent, a diluent, a leveling agent, and a modified filler to obtain a modified coating; adding polypropylene resin, an antioxidant, and nano-calcium carbonate into a mixer and blending to obtain a mixture, extruding the mixture through a pipe extruder, and then towing it into a vacuum setting machine for final shaping through a traction machine to obtain a polymer pipe matrix; spraying the above-mentioned modified coating on the surface of the polymer pipe matrix, drying, and obtaining an antibacterial self-cleaning pipe. The present invention effectively improves the antibacterial self-cleaning performance of the pipe by spraying the homemade coating on the pipe surface, and the coating has good bonding performance with the pipe matrix and excellent durability.

The present application belongs to the field of environmental protection and new energy technology, and relates to a gaseous fermentation method for improving biogas quality by using zeolite imidazolate framework structure ZIF-8 material. The ZIF-8 material for improving the biological conversion efficiency of CO2 to CH4 is prepared, and has the effect of selectively adsorbing carbon dioxide and hydrogen. When applied to gaseous fermentation, the quality of the obtained methane can be effectively improved. The ZIF-8 material prepared by the present application is applied to an anaerobic gaseous fermentation system, and only a small amount of addition can promote the biological methanation process of CO2 in the biogas, increase the proportion of methane in the biogas, improve the quality of the biogas, and make the biogas reach the standard of direct use.

The invention relates to a method for extracting zinc from a solution S1 comprising zinc and at least one metallic element other than zinc and cobalt, which method is characterized in that it comprises at least the following steps: a) reaction between zinc and at least one ligand chosen from imidazole and its derivatives by bringing the solution S1 into contact with the ligand(s), whereby a precipitate with a zeolitic imidazolate structure is obtained; b) recovery of the precipitate. It also relates to a method for preparing a zinc oxide, by implementing said extraction method. Applications: treatment and recycling of used materials comprising zinc, for example recycling of a used alkaline battery in order to recycle the zinc.

The application discloses a method for preparing monophenol chemicals by catalyzing lignin depolymerization through zeolite imidazolate framework material derivatives. The method uses lignin as raw material, uses zeolite imidazolate framework material derivatives as catalyst, and uses small-molecule organic alcohol as hydrogen-donor solvent. After inert gas replacement and pressure charging to 0.5-3 MPa, the reaction temperature is controlled to 200-240 DEG C, and stirring is carried out for 2-10 h, so that selective depolymerization of lignin can be realized without external hydrogen, and monophenol chemicals mainly composed of 4-propyl-2,6-dimethoxyphenol are obtained. The method is environment-friendly, stable in performance, highly efficient in catalysis and high in selectivity, and realizes selective conversion of lignin into monophenol chemicals mainly composed of 4-propyl-2,6-dimethoxyphenol without external hydrogen.

The application provides a material for promoting bone tissue repair and a preparation method and application thereof. The material for promoting bone tissue repair is a gold nanoparticle-zoelitic imidazolate framework synergistic gallic acid drug delivery system, wherein the gold nanoparticle is taken as a core, a zoelitic imidazolate framework is grown around the core, and a bioactive component, such as gallic acid, is loaded in the framework. The material is used for promoting bone tissue repair. The material loads the bioactive component through a nanoparticle and a zoelitic imidazolate framework compound, utilizes the osteogenesis and anti-inflammatory performance of the material, and promotes the regeneration and repair of bone tissue.

The invention discloses application of a zeolite imidazate framework structure material in solid-state refrigeration, and belongs to the field of solid-state refrigeration. The zeolite imidazate skeleton structure material is used for a solid-state refrigeration working medium, and can induce phase change of a structure involving pore diameter change in a frame by hydrostatic pressure to generate a remarkable heat effect for solid-state refrigeration. The zeolite imidazate framework structure material is ZIF-4 (Zn) and the like, the ZIF-4 (Zn) can generate adiabatic temperature changes of-9.6 K and-15.1 K under the pressure of 100 MPa and 180 MPa respectively, the corresponding isothermal entropy changes are 268 J kg <-1 > K <-1 > and 426 J kg <-1 > K <-1 > respectively, and refrigeration stability can be kept in pressure circulation. In addition, the refrigeration temperature range of the material is 140-298K, and the material is suitable for diversified refrigeration requirements.

The invention discloses a fused salt heat storage material based on a lithium nitrate and polyvinylidene fluoride hybridized zeolite imidazate framework structure. The fused salt heat storage material comprises the following components in parts by mass: 20-35 parts of sodium nitrate, 25-40 parts of potassium nitrate, 10-20 parts of lithium nitrate, 10-25 parts of calcium nitrate and 0.5-2 parts of a polyvinylidene fluoride hybridized zeolite imidazate framework structure material, the polyvinylidene fluoride hybridized zeolite imidazate skeleton structure material is prepared by the following steps: step 1, adding a zinc nitrate solution into a 2-methylimidazole solution under a stirring condition, standing, carrying out a crystallization reaction, washing and drying to obtain a zeolite imidazate skeleton structure material; and step 2, mixing the zeolite imidazate skeleton structure material, polyvinylidene fluoride and dimethylformamide, and drying to obtain the polyvinylidene fluoride hybridized zeolite imidazate skeleton structure material. The fused salt heat storage material is high in specific heat capacity and low in viscosity.

The present invention belongs to the technical field of functional coatings, and specifically discloses a pH-responsive anti-corrosion and wear-resistant coating and a preparation method thereof. The anti-corrosion and wear-resistant coating is composed of composite nanocontainers and polymer resins, and the composite nanocontainers are composed of two-dimensional MXene nanosheets and zeolitic imidazolate frameworks. Among them, the mass ratio of the composite nanocontainers to the polymer resins is 1:200 to 1:30; the mass ratio of the zeolitic imidazolate frameworks to the two-dimensional MXene nanosheets is 1:2 to 1:10; the two-dimensional MXene nanosheets are selected from one or more of Ti3C2T x , V2CT x , Nb2CT x ; the zeolitic imidazolate frameworks include one or more of ZIF-7, ZIF-8, and ZIF-62; the polymer resins are one or more of polyurethane resins, silicone resins, epoxy resins, and fluorocarbon resins. The present invention also discloses a specific preparation method of the above coating, and the prepared coating can respond to the corrosion at the interface between the coating and the metal, showing great potential in intelligent protection applications.

The application discloses a preparation method of a dendritic T-NC and ionic liquid Pt / C catalyst and application thereof, and generates a zeolite imidazolate framework material (ZIF-8) by reacting a zinc salt with 2-methyl imidazole, and composites the ZIF-8 with a conductive carbon material. When high-temperature pyrolysis is carried out under an inert atmosphere, zinc species in the ZIF-8 volatilizes, thereby etching out abundant multi-stage pores in the carbon matrix, and forming a unique dendritic nitrogen-doped carbon structure (T-NC). The structure can effectively load and stabilize platinum nanoparticles. Subsequently, by infiltrating ionic liquid, the high ionic conductivity and interface characteristics of the ionic liquid are utilized to enhance the proton conduction of a catalytic layer and optimize a mass transfer process. The method is simple in process, and raw materials are easy to obtain. Through the synergy of the carrier structure and the interface microenvironment, the prepared catalyst realizes comprehensive improvement in oxygen reduction reaction activity, durability and low-humidity adaptability, and provides a feasible material solution for a high-performance, long-life and low-cost proton exchange membrane fuel cell.