172 results about "Zinc salts" patented technology

This invention discloses a composite nanozyme that enhances the clinical efficacy of oxaliplatin, its preparation method, and its application. The composite nanozyme consists of indium ruthenium nanozyme and an iliximab embedding and anchoring layer. The indium ruthenium nanozyme consists of indium ruthenium nanoparticles and a carbon-nitrogen framework, with the indium ruthenium nanoparticles loaded on the surface and within the pores of the carbon-nitrogen framework. The iliximab embedding and anchoring layer consists of a dithiol polyethylene glycol coating layer and iliximab. Preparation method: ZIF-8 is prepared by co-precipitation of zinc salt methanol solution and 2-methylimidazole methanol solution, followed by calcination to obtain the carbon-nitrogen framework. The carbon-nitrogen framework dispersion is then stirred in an oil bath with indium nitrate solution and ruthenium trichloride solution to prepare a nanozyme precursor, followed by calcination to obtain indium ruthenium nanozyme. The indium ruthenium nanozyme is dispersed in a dithiol polyethylene glycol solution, and iliximab solution is added dropwise. The resulting solid product is then dried. This invention can solve problems such as strong drug tolerance, insufficient intracellular accumulation, and severe tumor immunosuppression in oxaliplatin treatment.

The application belongs to the field of rechargeable secondary batteries, and particularly relates to a water-based zinc ion battery capable of working in a wide temperature range, which is composed of a positive electrode, a negative electrode and an electrolyte. The positive electrode material is an n-type organic substance; the negative electrode is a metal zinc foil or a metal zinc powder; the electrolyte takes deionized water as a main solvent, takes inorganic lithium salt or inorganic sodium salt and a small amount of organic zinc salt as solutes, has the characteristics of high boiling point and low freezing point, and shows good ion conductivity in a relatively wide temperature range (-40 DEG C to 100 DEG C). Different from traditional zinc ion batteries, the zinc ion battery proposed in the application can stably work in the temperature range of -40 DEG C to 100 DEG C, shows good rate performance and cycle stability, and can be used for large-scale energy storage devices in extreme environments such as military and aerospace.

The present application relates to the technical field of copper clad laminates, and discloses a copper clad laminate, a resin composition for the copper clad laminate, and spherical silicon and a preparation method therefor. The spherical silicon of the present application is composed of spherical silicon dioxide and zinc molybdate particles dispersedly grown on the surface of the spherical silicon dioxide in situ and has a diameter of less than 10 microns and a D50 of 0.6-6 microns. The content of zinc molybdate per unit area on the surface of the spherical silicon dioxide is 0.03-1 g / m2, and the size of the zinc molybdate particles is less than or equal to 400 nm. The preparation method comprises: enabling spherical silicon dioxide to come into contact with / be mixed with a soluble molybdate and a zinc salt in an aqueous reaction system; and reacting the soluble molybdate with the zinc salt in situ on the surface of the spherical silicon dioxide, so as to form spherical silicon chemically coated with zinc molybdate particles. In the present application, by directly synthesizing the zinc molybdate in situ on the surface of the spherical silicon dioxide by means of a hydrothermal method, the structural morphology of the obtained spherical silicon and the size of the zinc molybdate particles can be effectively controlled, thereby ensuring that the wear of a drill bit during the drilling of the copper clad laminate is effectively mitigated.

This invention discloses a method for preparing a zinc-based solid electrolyte membrane based on a polycarbonate-based ionic liquid. In the presence of a catalyst, carbon dioxide and epichlorohydrin are alternately copolymerized at 25-70°C and 2.0-4.0 MPa carbon dioxide to obtain a polycarbonate with chloromethyl side groups, which is then purified by dissolution / precipitation. A side group substitution reaction is carried out by adding 1-methylimidazolium to a polar solvent to obtain an imidazolium halide-type ionized polycarbonate. Subsequently, a zinc-free solution is used... 2+ The zinc-based solid polymer electrolyte membrane was obtained by anion exchange with TFSI-salt followed by desalting and purification. The ionic liquid was then mixed with zinc salt, and a membrane was fabricated using a casting method, followed by drying and peeling to obtain the membrane. The large volume and high degree of charge delocalization of anions in the ionic liquid are beneficial for reducing ion-pair interactions, providing a better ion transport environment for the zinc-based solid electrolyte membrane and addressing the issue of Zn content in existing zinc-based solid electrolytes. 2+ It has strong interactions with anions and polymer polar groups, which can easily lead to increased resistance to ion migration.

The application relates to the technical field of organic synthesis, and discloses a preparation method of a hydrocarbyl carboxylic acid, which comprises the following steps: mixing a hydrocarbyl aldehyde, an oxidizing agent and a first metal salt to perform pre-reaction, and then mixing the reaction system obtained through the pre-reaction with a second metal salt to perform reaction; wherein the first metal salt is selected from at least one of a sodium salt, a potassium salt, a calcium salt, a lithium salt, an iron salt and a copper salt; and the second metal salt is selected from at least one of a zinc salt, a manganese salt, a cobalt salt, a palladium salt and a silver salt. The preparation method of the hydrocarbyl carboxylic acid can greatly shorten the reaction time, and improve the raw material conversion rate, the target product selectivity and the target product purity of the aldehyde oxidation acid reaction.

The application discloses a high-stability solid-state zinc-vanadium battery and a preparation method thereof, and belongs to the technical field of electrochemical batteries. The solid-state zinc-vanadium battery comprises a positive plate containing a vanadium-based compound, a solid-state electrolyte film and a negative plate; the solid-state electrolyte film is directly pressed from a solid-state electrolyte; and the solid-state electrolyte is prepared by mixing polyethylene glycol, a zinc salt, nano filler and water. After the positive plate containing the vanadium-based compound, the solid-state electrolyte film and the negative plate are stacked layer by layer, the stack is placed in a button cell shell or a soft package shell and directly pressed, so that the layers are bonded into an integrated whole, and a full battery device is obtained. The solid-state electrolyte film and the NH4V4O 10 The synergistic effect of the positive material effectively inhibits the dissolution problem of the vanadium-based positive electrode at a low current density, thereby significantly improving the cycle stability of the zinc-vanadium battery, and solving the technical problem that the vanadium-based positive material in the prior art is prone to structural failure at a low current density.

The application discloses a preparation method of a high-selectivity hydrogen peroxide production catalytic electrode, and the method comprises the following steps: (1) dissolving a soluble copper salt and a soluble zinc salt in water to prepare a mixed precursor solution containing Cu2+ and Zn2+ with different proportions; (2) adding a precipitant solution to the mixed precursor solution obtained in the step (1) under stirring, controlling the pH range of the reaction system, regulating the local coordination environment, the local electronic structure, especially the microenvironment of the lattice hydroxyl of the basic copper carbonate, and making the system generate a zinc-modified basic copper carbonate precipitate through aging crystallization, and then performing solid-liquid separation, washing and drying treatment to obtain a zinc-modified basic copper carbonate material; and (3) dispersing the zinc-modified basic copper carbonate material obtained in the step (2) into a solvent to form a catalyst slurry, and loading the catalyst slurry on the surface of a conductive substrate, and then performing drying to obtain a supported zinc-modified basic copper carbonate catalytic electrode. The reasonable lattice hydroxyl structure of the obtained material can be used for electrochemical oxidation of water to prepare hydrogen peroxide in a sulfate electrolyte system, and the material has good hydrogen peroxide production capacity and faradic efficiency.

The application relates to a high-coulomb-efficiency organic electrolyte for a secondary zinc ion battery and a preparation method thereof, and a secondary zinc ion battery, wherein the organic electrolyte mainly comprises a zinc salt, a sulfolane co-solvent and a main solvent. Compared with the prior art, the electrolyte can deposit a special (002) exposed crystal surface morphology under a large current condition, realizes stable dendrite-free super-high coulomb efficiency long cycle, and the coulomb efficiency reaches 99.996%, thereby meeting the actual needs of the secondary zinc ion battery.

This invention discloses an electrolyte, its preparation method, and its application. The electrolyte comprises a deep eutectic solvent and an electrolyte salt. The deep eutectic solvent includes hydrogen bond acceptors and hydrogen bond donors, with a molar ratio of 1:(0.2-5). The electrolyte salt includes at least one of zinc, aluminum, magnesium, iron, calcium, manganese, cobalt, antimony, or bismuth salts. This electrolyte provides anions and cations that can act on the insertion and extraction of the positive electrode active material of the battery. The electrolyte has a wide voltage range and is a novel electrolyte system using a deep eutectic solvent. When used in aqueous batteries (e.g., with a zinc-containing negative electrode), it can suppress the formation of zinc dendrites, resulting in dendrite-free aqueous batteries with fewer side reactions. The resulting batteries exhibit good cycle stability and high coulombic efficiency.

This invention relates to the field of materials preparation technology, specifically disclosing a method for preparing tungsten-molybdenum alloy powder based on a coprecipitation precursor. The method involves mixing sodium tungstate, sodium molybdate, and water to prepare a tungsten-molybdenum mixed solution; mixing the tungsten-molybdenum mixed solution with a precipitant solution containing zinc or cadmium salts, and allowing the tungsten and molybdenum to coprecipitate under stirring; filtering and washing the reaction slurry to obtain a wet precipitate of tungsten-molybdate coprecipitate, with the filtrate serving as the mother liquor; drying and grinding the wet precipitate of tungsten-molybdate coprecipitate to obtain tungsten-molybdate coprecipitate powder; and reducing the tungsten-molybdate coprecipitate powder in a hydrogen stream at 700-1000°C to obtain tungsten-molybdenum alloy powder and zinc or cadmium vapor. This invention combines the reduction and alloying reactions into one, with a reaction temperature below 1000°C, shortening the tungsten-molybdenum alloy powder preparation process and significantly saving energy and reducing consumption.

Compositions including zinc salts of sulfur-based accelerators, combinations of zinc salts of sulfur-based accelerators, and golf ball cores made from such compositions are disclosed. The type and concentration of components in the composition affect the properties of cores made therefrom, including, for example, coefficient of restitution and compression, and, thus, can be used to produce golf balls having desirable performance characteristics.

This application relates to the technical field of bimetallic cyanide catalyst preparation, specifically disclosing an in-situ acid treatment modification method for bimetallic cyanide catalysts and the catalyst itself. The modification method comprises: S1, preparation of precursors to obtain zinc salt solution and cobalt cyanide salt solution; S2, co-precipitation reaction of zinc salt solution and cobalt cyanide salt solution under weakly alkaline conditions; S3, in-situ acid treatment, with the slurry pH controlled within the target range of 4-6.5 by real-time pH closed-loop regulation; S4, in-situ aging; S5, post-treatment to obtain the final product. Through in-situ acid treatment, combined with the synergistic effect of pH closed-loop regulation, the irreversible secondary aggregation of nanoparticles is inhibited at its source, and free metal ions are locked by organic acid coordination, significantly reducing the Co content in the polyether product. 2+ The dissolution rate and platinum-cobalt color number improve the catalyst's activity, stability, and batch consistency.

The application discloses a water-based zinc ion battery electrolyte, a preparation method and application thereof. The water-based zinc ion battery electrolyte contains a zinc salt, ethylene glycol ether and water. The zinc salt is selected from at least one of ZnSO4, ZnCl2 and Zn(OTf)2. In the water-based zinc ion battery electrolyte, the mass content of the ethylene glycol ether is 1-20 wt%. The concentration of the zinc salt is 3M.

The present application belongs to the technical field of fuel cell electrocatalysts, and particularly relates to a bromine-modified iron-nitrogen-carbon oxygen reduction electrocatalyst with high iron loading and atomic dispersion, and a preparation method and application thereof. The electrocatalyst is a porous carbon-based material, and contains carbon, nitrogen, bromine and iron elements, wherein the iron is anchored in the nitrogen-doped carbon substrate in the form of atomic dispersion. The preparation method comprises the following steps: dissolving a Fe-based metal macrocycle compound in an organic solvent, mixing the organic solvent with an aqueous solution containing 2-methyl imidazole and a Br-containing precursor, and adding an aqueous solution containing a zinc salt and a surfactant for co-assembly to obtain a precursor; and pyrolyzing the precursor to obtain a bromine-modified Fe-N-C electrocatalyst. Compared with the Fe-N-C electrocatalyst without bromine modification, the electrocatalyst can effectively regulate the local coordination environment of iron sites, and has the advantages of atomic dispersion, high iron loading and excellent oxygen reduction reaction activity, and can be used in fuel cells and related electrochemical energy conversion devices.

This invention relates to the field of catalysis technology, specifically to a titanium-based polymetallic polyester catalyst, its preparation method, and its applications. This invention utilizes imidazole ligands synthesized with cobalt and zinc salts to form a zeolite-like imidazole ester framework material as a catalyst precursor, and incorporates titanium into the precursor using titanate esters, thus preparing a titanium-based polymetallic polyester catalyst with a well-stable structure (excellent water stability). The titanium-based polymetallic polyester catalyst provided by this invention does not hydrolyze during use, solving the technical problem of poor water stability and the formation of oligomers by hydrolysis in existing homogeneous titanium-based catalysts, which leads to a significant reduction in catalyst activity.

The application discloses a dehydrogenation catalyst and a synthesis method and application thereof. The synthesis method of the catalyst comprises the following steps: (1) mixing soluble copper salt, soluble zinc salt and soluble aluminum salt with dichloromethane and ethanol to obtain a mixed solution containing copper, zinc and aluminum, and then adding polylactic acid and stirring to obtain a spinning solution; (2) using a coaxial electrostatic spinning nozzle to electrostatically spin the spinning solution obtained in the step (1) and collecting a solid; (3) placing the solid obtained in the step (2) in an ethanol solution of trimesic acid to perform a reaction, and then washing and drying the catalyst precursor after the reaction is completed; and (4) calcining and post-treating the catalyst precursor obtained in the step (3) to obtain the catalyst. The catalyst obtained by the method has high conversion rate and selectivity in the reaction of dehydrogenating 1,4-butanediol to prepare gamma-butyrolactone.

This invention belongs to the field of catalyst technology and discloses a nitrogen-doped carbon-supported cobalt-nickel dual-site ORR-OER catalyst and its preparation method. The catalyst has the molecular formula CoNi-MOF@ACW and the structure is a dodecahedral CoNi-MOF grown on nitrogen-doped biomass carbon ACW with Co and Ni in an atomically dispersed state. Preparation method: (1) Prepare nitrogen-doped biomass carbon ACW; (2) Prepare a complex of metallic nickel and PI-PINi; (3) Dissolve water-soluble zinc salt, water-soluble cobalt salt and PINi together in methanol to obtain solution A; (4) Add 2-methylimidazole to methanol to obtain solution B; (5) Add ACW to solution A, stir evenly and then add solution B, continue stirring evenly; (6) Take out the solid material to obtain the precursor CoPINi-MOF@ACW; (8) Wash CoPINi-MOF@ACW with methanol and then dry; (9) Embed CoPINi-MOF@ACW with NH4Cl and pyrolyze to obtain the target catalyst. The catalyst of this invention has extremely high ORR-OER bifunctional catalytic activity and stability.

This invention relates to a catalyst for the hydrogenation of carbon dioxide to methanol, its preparation method, and its application. The preparation method of the catalyst includes the following steps: (1) mixing an aqueous solution of zinc salt, zirconium salt, and gallium nitrate with an alkaline solution; aging; the mixing temperature is 65-85℃, the pH value is 8.2-11.5; the molar ratio of Zn to Zr is 0.15-1.0:1.0; (2) separating, drying, and calcining the aged product to obtain a catalyst precursor; (3) reducing the catalyst precursor to obtain a catalyst for the hydrogenation of carbon dioxide to methanol; the mass percentage of Ga in the catalyst is 1.0-2.0%. The technical problem to be solved is to provide a composite oxide catalyst of Ga, Zn, and Zr, in which the mass percentage of Ga is 1.0-2.0%. When used in the catalytic hydrogenation of carbon dioxide to methanol, it has a carbon dioxide conversion rate of 14.6-17.7% and a methanol selectivity of 80.1-83.6%, which is beneficial to the industrial-scale production of methanol by the hydrogenation of carbon dioxide.

The application discloses a preparation method of antibacterial self-crimping regenerated polyester fiber and belongs to the technical field of regenerated polyester spinning. The preparation method comprises the following steps: (1) calcining mixed boric acid, melamine and soluble zinc salt in an inert atmosphere to obtain zinc-containing hexagonal boron nitride; (2) mixing and impregnating the zinc-containing hexagonal boron nitride and quaternary ammonium salt ionic liquid to obtain modified zinc-containing hexagonal boron nitride; (3) mixing the modified zinc-containing hexagonal boron nitride, polyester bottle pieces and ethylene glycol, and performing alcoholysis reaction to obtain a mixture A; (4) drying and melting the polyester bottle pieces and the mixture A respectively and sequentially, and then performing parallel composite spinning to obtain primary fibers; and (5) performing drafting, crimping, cutting and relaxation heat setting on the primary fibers to obtain the regenerated polyester fiber. The single regenerated polyester is used as a raw material, alcoholysis catalysis is performed on the modified zinc-containing hexagonal boron nitride, viscosity difference of the system is realized, and the regenerated polyester fiber with excellent self-crimping effect and antibacterial performance is prepared.

The application discloses an LDH-based vaccine adjuvant and a preparation method and application thereof, and belongs to the technical field of aluminum adjuvant preparation of vaccines, and the preparation method comprises the following steps: mixing at least one of soluble magnesium salt, soluble zinc salt, soluble manganese salt and soluble calcium salt with soluble aluminum salt, and then performing a co-precipitation reaction with a sodium hydroxide aqueous solution in a colloid mill device, and performing crystallization to obtain LDH nanosheets; dispersing the LDH nanosheets in a PBS solution, adding a hepatitis B surface antigen molecule drug, uniformly mixing, and then performing centrifugation to obtain the LDH-based vaccine adjuvant. The LDH-based vaccine adjuvant can significantly promote the maturation of DC cells and the activation of T cells, and the total IgG level reflects the overall humoral immune response intensity of the body to vaccines or pathogens; the LDH-based vaccine adjuvant forms a "storage library" at an injection site to store antigens and slowly release the antigens, and the purpose of long-time continuous stimulation of the immune system in the body is achieved.

A zinc-ion secondary battery, and a method for improving the Coulombic efficiency and stable long-cycle performance of a zinc negative electrode. By means of the synergistic effect of both the surface modification of a zinc negative electrode and an additive for an electrolyte, the zinc negative electrode of a zinc-ion battery achieves a high Coulombic efficiency under large-current and long-cycle conditions. A surface modifier is a metal halide and is dissolved in a polar organic solution. The electrolyte comprises a zinc salt, a metal ion additive, and a solvent. Compared with the prior art, by means of the synergistic effect of surface alloying and the additive for the electrolyte, the cycle performance of the zinc negative electrode and the deposition morphology of zinc are significantly improved. Furthermore, the zinc negative electrode exhibits a good zinc deposition morphology and a high metallic Coulombic efficiency at a high current density and a high depth of discharge.

The application provides a ZIF-8 derived photothermal material and a preparation method and application thereof. The preparation method of the ZIF-8 derived photothermal material comprises the following steps: carbonizing 2-methyl imidazole zinc salt to obtain ZIF-C powder, adsorbing Cu on the ZIF-C powder 2+ , and finally synthesizing Cu particles through high-temperature carbon reduction to obtain ZIF-8 derived copper-carbon composite photothermal particles Cu@ZIF-C. The ZIF-8 derived photothermal material prepared by the application has more excellent water evaporation performance, greatly improves the thermal energy conversion capacity of the material, improves the photothermal conversion efficiency of the material, and realizes efficient thermal energy water evaporation. Moreover, the preparation method is simple and practical.

The application discloses a kind of sulfur-coordinated iron single-atom modified radial gradient pore nitrogen-doped carbon lithium-sulfur battery positive electrode carrier materials and preparation method and application, belong to lithium-sulfur battery positive electrode material technical field.Oxidized graphene is mixed and dispersed in water with cellulose nanofiber, to form dispersion, zinc salt and iron salt are prepared mixed metal salt solution is added to the dispersion, composite hydrogel is formed by electrostatic self-assembly and is immersed in the solution containing sulfur organic precursor, to obtain sulfur-containing composite hydrogel;After directional freezing, freeze-drying, the aerogel precursor with radial gradient pore structure is obtained;In inert atmosphere protection, with solid-state nitrogen source in isothermal zone but non-contact, program temperature carbonization treatment is carried out, and the sulfur-coordinated iron single-atom modified radial gradient pore nitrogen-doped carbon lithium-sulfur battery positive electrode carrier material is obtained.By sulfur-coordinated regulation atomic activity and radial gradient pore optimization mass transfer synergy, the sulfur utilization, rate performance and cycle life are significantly improved.

This invention belongs to the field of antibiotic wastewater treatment technology, specifically relating to a quantum dot-modified weakly magnetic S-type heterojunction photocatalyst ZnIn2S4 / α-Fe2O3, its preparation method, and its application. The preparation method of this quantum dot-modified weakly magnetic S-type heterojunction photocatalyst ZnIn2S4 / α-Fe2O3 is as follows: zinc salt, indium salt, and sulfur source are added to water to prepare a homogeneous solution; then α-Fe2O3 nanoparticles are added, and the mixture is heated at 30-90℃ for 1-6 hours to allow ZnIn2S4 to grow in situ on α-Fe2O3. After washing and drying, the product is obtained. This invention employs a simple solvothermal combined with a mild water bath chemical in-situ growth technique to synthesize a low-cost, easily magnetically recoverable, universally applicable, and highly efficient antibiotic removal weakly magnetic S-type heterojunction photocatalyst ZnIn2S4 / α-Fe2O3.

The application provides a metal-carbon skeleton nano-microparticle and a preparation method thereof, and belongs to the field of nanometer material preparation, wherein the metal-carbon skeleton nano-microparticle is prepared from raw materials through a solvothermal reaction; the raw materials comprise, in percentage by mass, 3-15% of polymerizable monomers, 0.05-1.5% of initiators, 0.01-1.5% of metal salts and the balance of solvents; the active functional groups of the polymerizable monomers comprise nitrogen and / or oxygen; and the metal salts comprise at least one of aluminum salts, zirconium salts, chromium salts and zinc salts. The application uses metal ions and organic precursors containing active groups as raw materials, realizes controllable adjustment of the particle size of the nano-microparticles in the range of 1-5000 nanometers through metal crosslinking, induced nucleation and in-situ carbonization processes. The preparation process of the application is simple and controllable, the obtained nano-microparticles are uniform in size, stable in structure, high in temperature resistance and salt resistance, and can be widely applied in the fields of catalysis, sensing or oil displacement.

The present application relates to the technical field of separation materials, and relates to in-situ preparation of a transition metal doped MOR zeolite molecular sieve adsorbent and application of the adsorbent in separation of nitrogen / methane, wherein sodium hydroxide and sodium metaaluminate are added into water, stirred to completely dissolve, and a solution A is obtained; anhydrous oxalic acid and a cobalt salt, a nickel salt, a copper salt or a zinc salt are added into water, stirred to obtain a solution B; the solution B is added into the solution A, stirred to obtain a mixed solution; then, silicon sol is added dropwise under stirring at room temperature, and after stirring for a certain time at room temperature, the mixed solution is transferred to a reaction kettle, and a crystallization reaction is carried out in a homogeneous phase reactor; after a certain time, the reaction kettle is taken out, cooled to room temperature, centrifuged, washed and dried, and then high-temperature calcination is carried out, so as to obtain the transition metal doped MOR zeolite molecular sieve adsorbent. The metal components introduced in the present application precisely control the pore of the adsorbent, and solve the problem that the adsorption capacity and selectivity of the zeolite molecular sieve are difficult to be considered simultaneously.

The application belongs to the field of secondary batteries, and particularly relates to a zinc ion battery electrolyte. The composition of the electrolyte comprises water, a zinc salt, a formate salt and an amine molecule. The electrolyte of the application can induce uniform zinc deposition and present (0002) crystal face preferred orientation due to the addition of the formate salt and the amine molecule, and inhibit the formation of zinc dendrites. The zinc ion battery prepared by using the electrolyte has uniform and smooth zinc morphology in the charging and discharging cycle process, greatly improves the cycle stability, and has a simple scheme, is easy to industrialize, and has application prospects in the field of energy storage technology.

The application relates to an indium-zinc-gallium-oxygen-based near-infrared long-afterglow nanomaterial, a preparation method and application thereof, wherein the preparation method comprises the following steps: taking indium salt, zinc salt, gallium salt, chromium salt and ytterbium salt according to a stoichiometric ratio, dissolving the salts, adding a precipitant and a surfactant to obtain a precursor mixed solution; performing hydrothermal synthesis on the precursor mixed solution to obtain a precursor powder; and performing calcination on the precursor powder to obtain the near-infrared long-afterglow nanomaterial. The near-infrared long-afterglow nanomaterial is prepared by adopting a hydrothermal method combined with a low-temperature calcination process and by optimizing a doping ion concentration, can emit a near-infrared long-afterglow under the excitation of ultraviolet light 254 nm, has excellent afterglow performance, has a remarkable effect in mouse imaging, and has a wide application prospect in the field of biomedical imaging.

This application provides a dual-network self-healing electrolyte, its preparation method, composite separator, and energy storage cell. The dual-network self-healing electrolyte comprises, by weight, 0.5-1.5 parts polyethylene oxide, 0.3-0.8 parts polyvinylbenzoyl hydrazine, 0.1-0.2 parts terephthalaldehyde, 0.08-0.15 parts zinc salt, 0.3-0.5 parts lithium salt, and 0.015-0.025 parts MXene nanosheets. The dual-network self-healing electrolyte provided by this application not only achieves a revolutionary ultra-long lifespan but also significantly improves the intrinsic safety of the cell, while also exhibiting intelligent response characteristics and reducing total lifespan costs.