57 results about "Polystyrenesulfonic acid" patented technology

The invention discloses a single-ion conductor polymer, a ternary composite binder solution, high-solid-content sulfide electrolyte slurry and a wet film forming method and application thereof, and belongs to the technical field of all-solid-state lithium batteries. The key technical problems in the wet membrane preparation of the sulfide electrolyte are solved through an innovative solvent-binder synergistic system, and the method specifically comprises the steps that 1, through the synergistic effect of a non-polar solvent and a weak-polar solvent, low-viscosity coating of high-solid-content slurry is achieved while the chemical stability of the sulfide electrolyte is guaranteed; 2, a poly (lithium styrenesulfonate-butyl acrylate), styrene butadiene rubber and polyisobutene ternary composite binder is designed, a lithium ion transmission channel is provided through a lithium sulfonate group, a benzene ring structure in the styrene butadiene rubber enhances the mechanical strength, long-chain alkane in the polyisobutene improves the interface adhesive force, and the mechanical strength is improved; the three components cooperate to realize balance of mechanical and electrochemical properties of the electrolyte membrane, so that the prepared electrolyte membrane has low porosity, high ionic conductivity and mechanical strength.

The invention provides a diaphragm and a preparation method thereof and a lithium ion battery, the diaphragm comprises a base membrane layer and a composite functional layer, the composite functional layer comprises hydrophobic SiO2 aerogel modified by a hydrophobic agent, a conductive ion polymer and a solid electrolyte, and the composite functional layer respectively accounts for 3-12wt%, 0.5-1.0 wt% and 0.5-1.5 wt% of the total mass of the diaphragm; the hydrophobic agent comprises trimethylchlorosilane, hexamethyldisilazane, perfluorooctyltriethoxysilane, polyvinylidene fluoride, polydimethylsiloxane and the like, the conductive ionic polymer comprises polyvinylpyrrolidone, lithium polymethacrylate, lithium polystyrene sulfonate, polyacrylamide and the like, and the solid electrolyte comprises lithium lanthanum titanium oxide, lithium lanthanum zirconium oxide, lithium lanthanum zirconium tantalum oxide and the like. The wettability is improved by the high porosity of the hydrophobic SiO2 aerogel, the stability and strong conductivity of a physical conductive network of the solid electrolyte and the ion affinity and amphoteric binding capacity of the conductive ion polymer are optimized, the electrochemical performance and thermal stability of the interface are optimized, and comprehensive optimization of the thermal-electric-interface performance of the diaphragm is realized through combination.

Mobile or stationary air filter (L) or room fan (RL) according to Figure 1, comprising an outer wall (5), a (2) for generating an airflow (3) which is guided through an air filter material (1.1), an air inlet (2.1) and an air outlet (2.2), wherein the air filter material (1.1) contains poly(styrenesulfonic acid) (sulfonic acid biocide) (1.3) cross-linked with divinylbenzene and / or an acidic salt (1.3.1) (sulfonic acid biocide salt) of the sulfonic acid biocide (1.3) with biocidal cations, wherein the sulfonic acid biocide (1.3) and / or sulfonic acid biocide salt (1.3.1)(i) are positively and / or materially bonded to and / or in inert carriers and, in the fixed state, are in direct contact with carrier materials (1.1.7) on and / or in which biocidal Metal microparticles of a mean particle size d50 of 0.1 µm to <1,000 µm are fixed, and / or (ii) with carrier materials (1.1.7) on and / or in which biocidal metal microparticles of a mean particle size d50 of 0.1 µm to <1.000 µm are fixed, are mixed; its use and methods for the production and environmentally friendly disposal of air filter materials (1.1).

The invention belongs to the field of biomedical materials, and discloses a hydrogel patch with piezoelectricity, conductivity and high adhesion and a preparation method and application of the hydrogel patch. Polyvinyl alcohol (PVA) and acrylic acid (AA) serve as polymer frameworks of the hydrogel patch; the invention relates to a nano-zinc oxide / poly (3, 4-ethylenedioxythiophene) / poly (styrenesulfonic acid) (PEDOT: PSS) composite conductive adhesive, which comprises nano-zinc oxide (ZnO) as a piezoelectric material, poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid) (PEDOT: PSS) as a conductive material, and N-hydroxysuccinimide acrylate (NHS-AA) as an adhesive functional monomer. According to the invention, active ester groups in the N-hydroxysuccinimide acrylate are utilized, so that the patch can quickly form covalent amido bonds with amino groups on the surface of a tissue in a dry state, firm adhesion is realized, local nerve repair can be effectively promoted through a piezoelectric effect, a novel ideal material is provided for disease treatment, and the patch has wide application prospects. Wide clinical application prospects are realized in the field of biological medicines.

The invention discloses an electromagnetic shielding film as well as a preparation method and application thereof. The electromagnetic shielding film comprises the following components: InZnSeyC and a conductive polymer, the conductive polymer is prepared from poly (3, 4-ethylenedioxythiophene) and polystyrene sulfonate; the electromagnetic shielding film prepared by the invention has enough flexibility, bendability and self-supporting characteristic. The composite film can keep stable in structure without additional support, and has potential application prospects in the fields of 6G communication, high-frequency electromagnetic wave interference solving, health protection, flexible circuit boards and the like.

The invention relates to the technical field of negative-electrode-free lithium batteries, in particular to a composite modification layer for a negative electrode current collector and a preparation method and application of the composite modification layer. The composite modification layer for the negative electrode current collector is prepared by the following steps: carrying out pre-lithiation treatment on montmorillonite by utilizing lithium salt and oxalic acid to obtain a first solution; performing pre-lithiation treatment on polystyrolsulfon acid by using lithium hydroxide, and mixing with an alcohol solvent to obtain a second solution; uniformly mixing the first solution and the second solution to obtain a mixed solution; and performing planar two-dimensional spraying on the surface of the negative electrode substrate by using the mixed solution, and after drying, forming a composite modification layer on the surface of the negative electrode substrate. The preparation method solves the problems that solvent molecules of a traditional modification layer are gathered due to polar groups, the desolvation process is hindered, SEI rich in organic matter is formed, and transmission of lithium ions on the surface of the modification layer is hindered.

The invention relates to the technical field of rare earth hydrometallurgy, and discloses a process for preparing ultra-high-purity rare earth oxide by an ion exchange method, which comprises the following steps: loading monodisperse polystyrene sulfonic acid resin into a chromatographic column, and carrying out constant-temperature circulating pretreatment by using a pre-swelling solution containing urea and ammonium nitrate; preparing a rare earth feed liquid containing urea and with anions being nitrate radicals, introducing the rare earth feed liquid into the chromatographic column for adsorption saturation, and then connecting the rare earth feed liquid in series with the retardation column; carrying out displacement leaching by using a composite leaching solution in which ethylenediamine tetraacetic acid, 5-sulfosalicylic acid and urea are dissolved, and collecting target rare earth effluent in sections; and finally, adding a precipitant into the effluent for precipitation, and filtering, washing and firing to obtain the ultra-pure rare earth oxide. According to the invention, a urea swelling driven dynamic compensation system is constructed, and 10%-14% of monodisperse resin with high crosslinking degree is selected to cooperate with urea-ammonium nitrate pretreatment, so that low-pressure-drop operation at a high flow rate of 1.0 BV / h or above is realized.

The application discloses a preparation and by-product recycling process of acesulfame potassium, and belongs to the technical field of food additive production and processing. Amino sulfonic acid is added into N-butyl pyridine hydrogen sulfate ionic liquid and triethylamine in batches to obtain a homogeneous mixed solution; secondly, the mixed solution and diketene are introduced into a micro-channel reactor to perform a condensation reaction; and the discharge liquid is introduced into a polystyrene sulfonic acid resin loaded SO3 fixed bed reactor to perform a cyclization reaction; subsequently, the cyclization product is subjected to hydrolysis, decolorization, potassium salt crystallization and drying to obtain the acesulfame potassium product; and the crystallization mother liquor is separated through a nanofiltration membrane, and the intercepted liquid is an ionic liquid and triethylamine mixture, which is directly reused. The application inhibits the self-polymerization of diketene through the micro-channel reactor, replaces concentrated sulfuric acid with solid acid to avoid waste acid pollution, and realizes efficient recycling of by-products by combining nanofiltration membrane separation and catalytic depolymerization technology, and has the characteristics of green environmental protection and economic efficiency.

The application relates to the field of electrochemistry, in particular to a method for determining ion concentration based on a double electrolytic cell ion selective electrode, which comprises the following steps: using a poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) modified glassy carbon electrode or a reduced graphene oxide modified glassy carbon electrode as a working electrode, using a full solid-state ion selective electrode as a reference electrode, and using a platinum wire electrode as a counter electrode; inserting the working electrode and the counter electrode into a test electrolytic cell, inserting the reference electrode into a sample electrolytic cell, connecting the test electrolytic cell and the sample electrolytic cell through Ag / AgCl as a salt bridge, and determining the ion concentration in a to-be-measured solution by adopting a constant potential coulomb analysis method. The technical scheme of the application can minimize the current response time while ensuring the accuracy of ion concentration determination, realizes rapid measurement of ion concentration, and can be applied to detection of ion concentration in human serum.

The invention relates to a hybrid nanocarrier system comprising engineered metal nanoparticles (MeNP), a flavonoid (Fl), a Raman-active molecule (RAM), poly(allylamine hydrochloride) (PAH), genetic material (GM), and poly(styrene sulfonate) (PSS), designed for use in fields such as gene therapy, cancer treatment, chemotherapy, treatment of genetic diseases, innovative vaccine technologies, the production of innovative antibiotics for antibacterial and antimicrobial therapies, drug delivery, the dietary supplement market, Raman imaging systems, biotechnological applications, and the agrochemical industry.

The application relates to the technical field of high polymer material preparation, and particularly discloses a flexible high polymer material with glucose response, a preparation method thereof and application of the flexible high polymer material in preparation of a biosensor. The preparation method of the flexible high polymer material with glucose response comprises the following steps: S1. reacting a prepolymer with a polyhydric alcohol to obtain a copolymer; S2. dissolving the copolymer with an organic solvent, then adding hydroxylated carbon nanotubes, poly(3,4-ethylenedioxythiophene) and polystyrene sulfonate, uniformly stirring, and then performing ultrasonic treatment; after the ultrasonic treatment is completed, the reaction product is poured into a mold, and the flexible high polymer material with glucose response is obtained after solidification. The flexible high polymer material with glucose response has good glucose, pH and temperature multi-response performance, and also has good mechanical properties.

A method for manufacturing a work function-tunable ionic liquid-functionalized poly-3,4-ethylenedioxythiophene:poly-styrenesulfonate (PEDOT:PSS) film. The method comprises: a pretreatment step, a film formation step, a film treatment step, and an ionic liquid treatment step. In the pretreatment step, a pretreatment solution is prepared by mixing PEDOT:PSS solution with methanol. In the film formation step, the pretreatment solution is blade-coated onto a substrate and subsequently annealing to form a first-stage film. In the film treatment step, dimethyl sulfoxide(DMSO) is blade-coated onto the first-stage film, followed by annealing. The DMSO-treated first-stage film washed with methanol to remove residual DMSO, forming a second-stage film. In the ionic liquid treatment step, an ionic liquid is ultrasonically agitated in deionized water to prepare an ionic liquid solution. This solution is blade-coated onto the second-stage film. The film is annealed washed with deionized water to remove the ionic liquid, thereby obtaining the ionic liquid-functionalized PEDOT:PSS film.

This invention discloses a rare-earth element-containing cationic catalyst, its preparation method, and its application, belonging to the field of catalyst technology. Using 732 polystyrene sulfonic acid resin as a support, the target catalyst is prepared in four steps: pretreatment, zirconium coordination modification, aminobisphosphonic acid ligand grafting, and rare-earth ion chelation loading. This invention constructs a Brønsted-Lewis dual-acid synergistic catalytic system through directional structural design, achieving both ultra-stable rare-earth loading and retention of strong acidic sites, significantly improving the catalyst's water resistance, catalytic activity, and cycle stability. This catalyst can efficiently catalyze the synthesis of polyoxymethylene dimethyl ether from industrial formaldehyde aqueous solution and methyl acetal, exhibiting excellent formaldehyde conversion and target product selectivity. It is suitable for both batch and continuous production processes and has good prospects for industrial application.

The application discloses a flexible lithium manganate positive pole piece and a preparation method, and belongs to the technical field of lithium ion batteries. The carbon nanofiber membrane with polystyrene sulfonate grafted on the surface and the lithium manganate particles with polystyrene sulfonate adsorbed on the surface are assembled into a filter cake layer in close contact through vacuum filtration, then aniline solution slowly permeates through the filter cake layer and is adsorbed under the condition of no oxidant, so that the aniline monomers are uniformly adsorbed on the polystyrene sulfonate template to form a monomer reaction layer with uniform thickness, and in-situ limited polymerization is carried out, after polymerization and drying, the obtained composite membrane is subjected to gradient heating and hot pressing treatment, rearrangement of polyaniline molecular chains and further compaction at the interface between the carbon fiber and the lithium manganate are realized, and the flexible self-supporting positive pole piece with a positive active film layer free of metal current collectors, a three-dimensional conductive network and a relatively stable conductive state is obtained. The application is suitable for the fields of flexible lithium ion batteries, wearable electronic devices and solid-state lithium batteries.

The invention discloses an anti-freezing conductive hydrogel for osmotic energy collection and a preparation method thereof, the preparation method comprises the following steps: dissolving acrylamide in a mixed solvent of ethylene glycol and water, sequentially adding lithium trifluoromethanesulfonate and polystyrolsulfon acid, and uniformly stirring to obtain a precursor solution; and adding a photoinitiator and N, N '-methylene bisacrylamide, pouring into a mold, and curing by ultraviolet irradiation to obtain the anti-freezing conductive hydrogel. According to the invention, a synergistic anti-freezing system of lithium trifluoromethanesulfonate and ethylene glycol is introduced, and polystyrolsulfon acid is combined to enhance ion selectivity and conductivity, so that the hydrogel still has high water-retaining property, good conductivity and excellent osmotic energy collection performance under a low-temperature condition, and is suitable for efficient and stable osmotic energy power generation under a low-temperature environment.

The invention belongs to the technical field of separation membranes, and discloses a composite pervaporation desalination membrane and a preparation method and application thereof, the composite pervaporation desalination membrane sequentially comprises a bottom layer, a positively charged porous support layer and a compact selection layer; the positively charged porous supporting layer comprises a sublayer and a surface layer, the sublayer is attached to the bottom layer, and a compact selection layer is attached to the surface layer; the dense selection layer is made of polyvinyl alcohol crosslinked by amino-terminated hyperbranched polyamide and poly (4-styrenesulfonic acid-co-maleic acid) sodium salt. The composite pervaporation desalination membrane provided by the invention has a moderate surface pore size of the support layer, the support layer for enhancing the charge effect and the loose hydrophilic compact selection layer, and further has high permeation flux on the premise of ensuring efficient interception of salt.

A solar cell includes a first layer including a silica material, a second layer including an indium tin oxide material, and a third layer including a chlorophyll-doped poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS@Chl) material. The solar cell further includes a fourth layer including a silver material, and a fifth layer including a silica material. The PEDOT:PSS@Chl material includes chlorophyll in an amount of 4 to 12 percent by weight (wt. %) based on a total weight of the PEDOT:PSS@Chl material. The PEDOT:PSS@Chl material has a surface area of 500 to 550 meter square per gram (m2 / g). The third layer has a thickness of 30 to 70 nanometer (nm).

The invention provides an oil-resistant and organic-solvent-resistant rubber material which takes vulcanized rubber as a matrix, and a first modified layer and a second modified layer are sequentially deposited on the surface of the matrix, the first modified layer comprises a plurality of alternate poly (diallyldimethylammonium chloride) layers and polystyrene sulfonic acid layers; the second modified layer is a polyvinyl alcohol layer. The oil-resistant and organic-solvent-resistant rubber material provided by the invention can keep the original structure after being soaked in methylbenzene for 15 hours, the volume change rate is only 2.3%, and swelling does not occur; the product does not expand or dissolve after being soaked in four oil agents for 7 days, and the surface of the product is kept flat and smooth. Meanwhile, by testing the tensile strength of a sample before and after the oil-resistant and organic-solvent-resistant rubber material is soaked in an organic solvent and an oiling agent, it is found that the oil-resistant and organic-solvent-resistant rubber material can still keep the tensile strength before modification.

The application discloses a kind of selective permeation membrane composite material for chemical protective clothing and its preparation method, belong to chemical protective clothing technical field.Functional monomer is grafted on polyvinylidene fluoride main chain by one-pot method, then it is compounded with fabric outer layer, and composite material is formed.The method is simple in preparation process, low in cost, solves the shortcomings, such as high cost and poor mechanical properties, of traditional Nafion and polystyrene sulfonic acid (PSSA) and other materials used for chemical protective clothing, and the obtained composite material has excellent selective permeability and good mechanical properties, and can be widely used for selective permeation type chemical protective clothing material, which provides guarantee for realizing reliable protection performance and good physiological comfort of chemical protective clothing.

The invention relates to a process for the preparation of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) particles comprising at least the following steps: a) providing a mixture comprising poly(3,4-ethylenedioxythiophene) and polystyrene sulfonate in at least an aqueous solvent; b) forming one or more PEDOT:PSS droplets by introducing the mixture from process step a) into an organic solvent A, wherein the aqueous PEDOT:PSS mixture forms the inside of the droplet and the organic solvent A forms the outside of the droplet; c) contacting the PEDOT:PSS droplets obtained from process step b) with a coagulation solution comprising a coagulation agent and at least one further solvent B, said coagulation solution having a density greater than the density of said organic solvent A and less than the density of the aqueous mixture of poly(3,4-ethylenedioxythiophene) and polystylene sulfonate; and d) coagulating the PEDOT:PSS droplets to PEDOT:PSS particles. Furthermore, the invention discloses spherical PEDOT:PSS particles which do not require further mechanical coagulation of the substance and the use of such particles, for example as cell culture microcarriers or as a suspended electrode.

The invention relates to a method for recovering chinlon from a waste chinlon and cotton blended textile, which comprises the following steps: shearing and crushing the waste chinlon and cotton blended textile, removing impurities, cleaning and drying to obtain sample fragments; hydrogen ions of part of sulfonic acid groups in the polystyrene sulfonic acid are substituted by metal ions to obtain the catalyst; wherein the metal ions are metal ions capable of being coordinated with amido bonds; and mixing the sample fragments with a catalyst, carrying out a depolymerization reaction, and purifying the obtained depolymerization product to obtain caprolactam. The directional catalytic depolymerization effect of chinlon can be achieved, and meanwhile the cotton component is separated; polystyrolsulfon acid and polystyrolsulfon acid metal salt in a catalyst structure coexist to generate a synergistic effect, protons continuously activate newly exposed amido bonds, and metal ions synchronously stabilize intermediates, so that molecular chains are uniformly broken from the tail end to the interior instead of local breakage, generation of oligomers is avoided, and caprolactam monomers are directly generated; the yield of caprolactam is improved.

The invention provides a composition for preparing a hole buffer structure of a flexible organic photoelectric device and application of the composition. The composition is prepared from the following raw materials in percentage by mass: 0.1 wt%-0.4 wt% of single-walled carbon nanotubes, 0.3 wt%-0.5 wt% of polystyrene sulfonate, 0.1 wt%-5 wt% of a P-type doping agent, 0.1 wt%-0.3 wt% of an anionic surfactant, 0.1 wt%-0.3 wt% of a stabilizer and the balance of a solvent, wherein the solvent comprises water; wherein the surface of the single-walled carbon nanotube has hydrophilic groups, and the polystyrene sulfonate is adsorbed on the surface of the single-walled carbon nanotube through a pi-pi conjugation effect and an electrostatic adsorption effect, so that the polystyrene sulfonate modified single-walled carbon nanotube is formed. A hole buffer structure formed on the basis of the composition has an adjustable work function, so that efficient hole injection and electron blocking are realized, the driving voltage of a device is remarkably reduced, the luminous efficiency is improved, the service life is prolonged, and meanwhile, excellent mechanical flexibility and low resistance characteristics are kept.

The present invention relates to an improved wound dressing comprising a specific polymeric framework having a coating of a polymer network comprising a polyionic component, in particular a poly-(4-styrenesulfonic acid-co-maleic acid) (PSS-MA) or poly(acrylic acid-co-4- (acrylamidomethyl)benzenesulfonate) (PAA-ABS) component, covalently bonded to at least one of an uncharged polymer component and a non-polymeric crosslinker component thereby forming the polymer network, wherein the polyionic component, in particular the PSS-MA or PAA-ABS component, comprises sulfonate and / or sulfate groups, and a method to prepare it.

The invention discloses a flexible micro electrical stimulator capable of being wound and adhered to peripheral nerve tracts and a preparation method and application thereof, and relates to the technical field of crossing of neural engineering, bioelectronics and medical instruments. A first insulation layer, a first friction electrode layer, a middle isolation layer, a second friction electrode layer and a second insulation layer are assembled layer by layer; the first insulation layer and the second insulation layer are self-adhesion polyurethane layers, and the first friction electrode layer, the middle isolation layer and the second friction electrode layer are packaged in the first insulation layer and the second insulation layer; the first friction electrode layer is a gold foil, and the surface of the gold foil is electroplated with a PEDOT: PSS plating layer formed by a 3, 4-ethylenedioxythiophene monomer and polystyrene sulfonate; the second friction electrode layer is gold foil or aluminum foil. According to the invention, macro-scale contact-separation type friction power generation is realized through ultrasonic driving, and the device has good output performance, long-term stability and nerve stimulation effect.

The present invention relates to phase change material (PCM) compositions comprising an aqueous solution of a salt hydrate phase change material component, one or more polymers, at least one of which is poly(4-styrenesulfonic acid-co-maleic acid), poly(methyl vinyl ether-alt-maleic acid), or polystyrenesulfonic acid, or mixtures of these polymers. The present invention also relates to methods of making PCM compositions comprising these polymers.

This invention provides a liquid metallic ink, its preparation method, and its applications. The liquid metallic ink of this invention comprises liquid metallic ink particles, a co-solvent, and water. The liquid metallic ink particles include EGaIn droplets, and the surface of the EGaIn droplets is coated with a polymer, which is a conjugated conductive polymer formed from poly(3,4-ethylenedioxythiophene) and poly(styrene sulfonate). Compared with traditional conductive inks, the liquid metallic ink of this invention offers higher stability, ease of processing, and better mechanical robustness. The ink printed on this inkjet printer maintains its linear shape without breaking even when the PVA substrate is deformed, showing promise for revolutionizing the printed electronics field. This invention also provides a preparation method and applications for the liquid metallic ink.

The invention discloses a negative plate and an electrochemical device and electronic equipment comprising the same, and relates to the technical field of electrochemical energy storage. The invention provides a negative electrode plate which comprises a negative electrode current collector, and a first negative electrode active material layer and a second negative electrode active material layer are sequentially arranged on at least one surface of the negative electrode current collector in a stacked mode. The first negative electrode active material layer is adjacent to the negative electrode current collector; the first negative electrode active material layer comprises a first negative electrode active material, an adhesive and a conductive agent, and the first negative electrode active material is a silicon-based material; the second negative electrode active material layer comprises a second negative electrode active material, an adhesive and a conductive agent, and the second negative electrode active material comprises a carbon-based material; the adhesive is a composite polymer, and the molecular structure of the adhesive contains a polyacrylamide structural unit, a poly (3, 4-ethylenedioxythiophene) structural unit and a poly (styrenesulfonic acid) structural unit.

The invention discloses an electrostatic spinning colorimetric humidity sensing film and a construction method thereof, and the colorimetric humidity sensing film is prepared by taking poly (4-styrenesulfonic acid) and polyvinyl acetate as matrixes, coumarin 6 as a luminescent dye and absolute ethyl alcohol as a solvent to obtain a spinning solution and then performing electrostatic spinning. The colorimetric humidity sensing film is used as a colorimetric humidity sensor material, and has the advantages of reversible reaction, portability, flexibility, wearable performance, high sensitivity, high reaction speed, good linear fitting degree and the like.

The application relates to the technical field of lithium battery diaphragm, and discloses a ceramic coating diaphragm with high thermal stability and a preparation method and application thereof. A polyethylene diaphragm is coated with high-thermal-stability slurry, and the ceramic coating diaphragm is obtained after drying after volatilization of a solvent; the high-thermal-stability slurry comprises raw material components according to mass parts: 1-4 parts of modified poly(4-styrene sulfonic acid) lithium salt, 5-15 parts of polyacrylate, 20-30 parts of mercapto silane modified nano alumina, 60-80 parts of nano alumina, 0.005-0.03 parts of 1-vinyl-2-butylimidazole tetrafluoroborate, 0.5-3 parts of sodium ethoxide and 50-100 parts of solvent A. The slurry with high thermal stability is prepared by combining mercapto silane modified nano alumina, propylene modified adhesive and fluorine-containing ionic liquid, the problem of diaphragm shrinkage caused by high temperature is effectively improved, the coating layer is prevented from falling off, and the performance of lithium ion batteries applied to the diaphragm is improved.

The invention discloses a mushroom-imitating 3D printing water phase change micro-nano generator, and belongs to a new energy technology. The generator comprises a bionic mycorrhiza, a bottom electrode, a bionic stipe, a bionic pileus and a top electrode embedded in the bionic pileus which are arranged from bottom to top in sequence. The bionic mycorrhiza is prepared by thickening polyvinyl alcohol and methyl cellulose through chitosan, performing 3D printing and performing freeze-thaw cycle gelation, and the structure of the bionic mycorrhiza simulates a natural plant root crown; the bionic stipes and pilei are compounded by polystyrolsulfon acid / carbon nanotubes and poly (diallyldimethylammonium chloride) / carbon nanotubes and polyvinyl alcohol respectively, and the shapes of the bionic stipes and pilei imitate the structures of the stipes and pilei of natural mushrooms respectively. According to the generator, hydrogen ions and chloride ions are dissociated from the polyelectrolyte material through the absorption, transportation and evaporation processes of water, and a continuous potential difference is formed under the coupling action of the asymmetric electrode pair, so that effective output of direct-current electric energy is realized, and the generator can be stably applied to collection and conversion of tiny energy in a natural environment.