368 results about "Composite polymer" patented technology

The invention relates to an organic solid electrolyte for an in-situ curing high-voltage positive electrode, a battery and a preparation method. The organic solid electrolyte is formed by in-situ polymerization of ether monomers, ester monomers, a lithium salt and a solvent through synergistic thermal initiation of double initiators. The electrolyte disclosed by the invention has the advantages that the ester polymer monomer and the ether polymer monomer are blended, and then the two monomers are respectively polymerized in a thermal initiation manner to form mutually crossed macromolecular long chains. The strategy can improve the interface stability of the electrode and the electrolyte and reduce the interface impedance of the electrode and the electrolyte. In the formed polymer network structure, the ester chain segment enhances the mechanical strength and widens the electrochemical window; and the ether chain segment provides flexible and lithium ion transmission channels. Due to the chemical complementarity of the ester monomers and the ether monomers, the overall performance of the composite polymer electrolyte is improved.

Color changeable indicator particles having a meltable, particulate organic core, and at least one color changeable indicator coated on the particulate organic core. Color changeable indicator particles can be incorporated into composite polymer materials while maintaining the efficacy and stability of the indicator. The indicators provide simple, reliable, and cost effective detection means for detecting ammonia and carbon dioxide, and may find use in applications such as food packaging and medical applications.

The invention belongs to the technical field of lithium ion solid-state batteries, and relates to a composite polymer electrolyte membrane as well as a preparation method and application thereof. The preparation method of the composite polymer electrolyte membrane comprises the following steps: generating a precursor salt containing Ba and Ti on the surface of an inorganic solid electrolyte through a wet chemical method, and forming a compact barium titanate coating layer on the surface of the electrolyte in a high-temperature calcination process to obtain the barium titanate surface modified inorganic solid electrolyte; uniformly dissolving a high-molecular polymer material, the barium titanate surface modified inorganic solid electrolyte and a lithium salt in a solvent, heating and stirring to prepare a uniform solution; and drying to form a membrane to obtain the polymer composite electrolyte membrane. Barium titanate has a special piezoelectric property and can be spontaneously polarized in a crystal structure to generate a polarization field, and the polarization field can sensitively sense the nonuniformity of lithium ion transmission dynamics and interact with the nonuniformity to balance the transmission process of lithium ions in the solid electrolyte, so that the bottleneck problem of ion migration in the traditional electrolyte is solved.

An exemplary embodiment of the present disclosure provides a method for making an electrolyte, comprising: providing a solid polymer electrolyte (SPE); incorporating boron nitride with the SPE to form a composite polymer electrolyte (CPE), wherein the boron nitride is at least one of exfoliated hexagonal boron nitride (ex-BN) or fluorine-fimctionalized hexagonal boron nitride (BN-F).

The invention provides a composite polymer coconut shell charcoal tufted carpet as well as a preparation method and application thereof, and belongs to the field of polymer composite carpets. The adsorption layer is compounded on the back surface of the bonding layer, so that organic matters and toxic and harmful substances in the carpet are efficiently removed. The coconut shell charcoal in the adsorption layer is acidified by nitric acid, then an active functional group is introduced, the coconut shell charcoal and a titanium source are subjected to a hydrothermal reaction, then calcination is performed to improve the crystallinity and the interface bonding force, and the adsorption-photocatalytic decomposition dynamic cycle of volatile organic compounds is achieved. And meanwhile, interlayer adhesion is enhanced by combining a needling process, and high mechanical strength and environmental protection performance are synchronously realized. Through multi-component cooperation and process optimization, a carpet solution with functionality and durability is provided for the fields of automotive interiors and the like.

The invention discloses an epoxy resin-based amorphous polymer electrolyte and a preparation method of a composite polymer electrolyte. The electrolyte is composed of an epoxy resin-based amorphous polymer electrolyte, a metal organic framework and inorganic solid electrolyte powder. In the preparation process of the composite electrolyte, a metal organic framework material is introduced, and lithium salt anions are anchored through unsaturated metal coordination sites, so that the lithium ion transference number of the composite electrolyte is increased. In addition, the introduced inorganic solid electrolyte powder further improves the ionic conductivity of the composite electrolyte, so that the composite electrolyte can meet the charge-discharge cycle requirements of the lithium iron phosphate battery at room temperature and a certain rate. The preparation method of the polymer electrolyte is simple, raw materials are easy to obtain, and the polymer electrolyte has industrial production and application prospects and has a heuristic effect on development of polymer-based solid-state batteries.

The invention relates to a preparation method of a low-cost and high-safety composite polymer solid electrolyte, and belongs to the technical field of sodium ion semi-solid / solid batteries. The traditional PVDF-based solid electrolyte has the problems of low room-temperature ionic conductivity, insufficient mechanical strength, high interface impedance and the like. The composite solid electrolyte with a three-dimensional interpenetrating network structure is constructed by uniformly dispersing nanocellulose in a PVDF (polyvinylidene fluoride) matrix and combining a solvent casting process. The mechanical strength and the thermal stability of the electrolyte are remarkably improved through the nanocellulose, the interfacial compatibility between the electrolyte and an electrode is effectively improved through the synergistic effect of the nanocellulose and the PVDF, the interface impedance is reduced, and meanwhile, the growth of sodium dendrites is effectively inhibited. The preparation process is simple, the raw materials are environment-friendly, and the obtained electrolyte has high ionic conductivity, excellent mechanical properties and interface stability, is suitable for all-solid-state sodium metal batteries with high energy density and high safety, and has wide application prospects in the fields of electric automobiles and energy storage.

The invention belongs to the technical field of cosmetics, and particularly relates to a cosmetic delivery system based on a natural wall material, a preparation method and application. The cosmetic delivery system is of a core-shell structure, a core is a cosmetic active component, and a shell layer is a composite polymer gel network of sodium alginate, sophorolipid and cellulose. The natural polysaccharide composite wall material is green and safe, has good biocompatibility and strong compatibility with cosmetic formulas, and does not irritate the skin. The delivery system can effectively protect cosmetic active ingredients from being damaged by illumination and oxygen, and the storage stability of the active ingredients is remarkably improved; meanwhile, slow release and targeted transdermal absorption of active ingredients are realized, and the bioavailability is improved.

The embodiment of the invention provides an electrolyte and a preparation method thereof, a battery and a power utilization device. The electrolyte comprises a polymer electrolyte substrate, an inorganic additive and a functional additive, the functional additive can prevent the inorganic additive from physical agglomeration and chemical denaturation. In the embodiment of the invention, the functional additive is introduced into the composite polymer electrolyte of the polymer electrolyte substrate and the inorganic additive, and the functional additive can maintain the stability of the slurry, so that the physical agglomeration and chemical denaturation of the inorganic additive are prevented, and the problem of poor interface stability between the polymer and the inorganic additive is further improved.

The invention discloses a preparation method and application of an all-solid-state lithium-sulfur battery composite solid electrolyte, and belongs to the technical field of all-solid-state lithium-sulfur batteries. The preparation method comprises the following steps: firstly, preparing organic metal framework MOF particles with an ordered porous structure by adopting an oil bath method, taking polyethylene oxide as a substrate, adding an inorganic filler to prepare a composite polymer electrolyte membrane, and adding the MOF particles on the basis of the electrolyte membrane to prepare the composite solid electrolyte CPE-MOF. The MOF material prepared by the method shows a typical cubic structure, has a micron size, has good repeatability and controllability, and lays a solid foundation for research and application of subsequent material performance. The composite solid electrolyte prepared by the invention is applied to an all-solid-state lithium-sulfur battery, and shows relatively high specific discharge capacity, stable cycle performance and good rate capability.

The present application belongs to the technical field of polymer dielectric energy storage material, and discloses a preparation method of a full-organic small-molecule composite polymer film and a product. The preparation method comprises the following steps: mixing a mixed solution of PVDF and PMMA with a PE EU solution to form a pre-preparation solution; casting the pre-preparation solution on a substrate and heating and drying, and then heat treating in a vacuum environment to obtain the required composite polymer film. The present application also discloses the product prepared by the above preparation method. Through the present application, the problems of low discharge energy density and charge-discharge efficiency of ferroelectric-based polymer films are solved.

The present invention relates to the field of electrolytes for lithium-ion batteries. In a first aspect, the present invention concerns a lithium-ion battery comprising a composite polymer electrolyte, wherein the composite polymer electrolyte comprises a lithium salt, a polymer, and γ- LiAlO2 particles, wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and / or a combination thereof. In a second aspect, the present invention concerns a solution comprising a solvent, a lithium salt, a polymer, and γ-LiAlO2 particles; wherein the average particle size of the γ-LiAlO2 particles is at least 2 μm, and wherein the polymer is selected from a polyether, polycarbonate, polyketone, polyester, polynitrile, copolymers thereof and / or a combination thereof.

The invention relates to a solid-state battery positive pole piece with a composite structure as well as a preparation method and application thereof. The solid-state battery positive pole piece comprises a current collector, a composite positive pole coating attached to the surface of one side of the current collector, and a composite polymer coating attached to the composite positive pole coating, the composite positive electrode coating comprises a positive electrode active material, a first oxyfluoride solid electrolyte, a binder and a conductive agent; the composite polymer coating comprises an in-situ polymerized polymer of a three-dimensional network structure, and a lithium salt and a second oxyfluoride solid electrolyte which are filled in gaps of the three-dimensional network structure; the polymer is formed by initiating in-situ polymerization of a polymer monomer through a thermal initiator; and a composite polymer coating is immersed in a gap of the composite positive electrode coating. The positive pole piece of the solid-state battery has high ionic conductivity, high interface stability and high mechanical reliability, and the cycle performance of the solid-state lithium battery can be improved when the positive pole piece is applied to the solid-state lithium battery.

The invention provides a solid electrolyte membrane and a preparation method thereof, a secondary battery and electric equipment. The solid electrolyte membrane comprises the following components: polyvinylidene fluoride or a copolymer thereof, polyimide or a copolymer thereof, electrolyte salt and amino polycarboxylic acid salt. The solid electrolyte membrane is prepared by taking polyvinylidene fluoride or a copolymer thereof as a matrix, and polyimide and amino polycarboxylate are added to improve the crystallization property of polyvinylidene fluoride, so that the compact flame-retardant composite polymer electrolyte membrane with high Young's modulus is obtained. The Young modulus of the prepared solid electrolyte membrane is larger than or equal to 9.5 GPa under the thickness of 10 microns, the ionic conductivity is larger than 4 * 10 <-4 > S / cm at the temperature of 25 DEG C, and the capacity retention ratio is 85% or above after 600 cycles at the temperature of 1 DEG C.

The invention discloses a formula and application of a long-acting high-molecular polymer dust suppressant, and relates to the field of dust treatment. The long-acting high-molecular polymer dust suppressant comprises the following components: 5%-15% of a composite high-molecular polymer emulsion, 0.5%-3% of an environment-responsive polymer, 0.1%-1.5% of a nano reinforcing material, 0.2%-2% of a bio-based water-retaining agent, 0.05%-0.3% of a crosslinking catalyst and the balance of water. Through the synergistic effect of the composite high-molecular polymer emulsion, the environment-responsive polymer, the nano reinforcing material, the bio-based water-retaining agent and the cross-linking catalyst, a three-layer composite structure is formed, and the environment-friendly dust suppression agent has the advantages of long-acting stable dust suppression, high environmental adaptability, ecological friendliness, restoration function, integration of multiple functions, adaptation to multiple scenes and the like; the defects in the prior art can be effectively overcome.

The invention discloses a porous composite polymer solid electrolyte, a preparation method thereof and a solid sodium ion battery. The porous composite polymer solid electrolyte is prepared from a deep eutectic solvent, an additive, a polymer solution and a sodium super-ion conductor, the deep eutectic solvent is composed of a sodium ion-containing hydrogen bond receptor and a hydrogen bond donor, wherein the sodium ion-containing hydrogen bond receptor is selected from any one of sodium hexafluorophosphate, sodium tetrafluoroborate, sodium bis (oxalato) borate, sodium difluoro (oxalato) borate, sodium bis (trifluoromethanesulfonyl) imide, sodium bis (fluorosulfonyl) imide, sodium perchlorate, sodium nitrate, sodium chloride and sodium difluorophosphate; the additives are ethylene carbonate and propylene carbonate; the polymer solution is composed of a polymer and an organic solvent; the mass ratio of the sodium super-ion conductor to the polymer is 1: (2-5). The porous composite polymer solid electrolyte disclosed by the invention has excellent ionic conductivity and flame retardance, relatively strong mechanical property and excellent safety.

The invention discloses a multistage crosslinking formaldehyde-free adhesive with a three-dimensional network structure and a preparation method of the multistage crosslinking formaldehyde-free adhesive, and belongs to the technical field of high-molecular polymers. The environment-friendly formaldehyde-free adhesive is successfully prepared through the precise molecular structure design and the synergistic effect of the components, has high bonding strength, controllable viscosity, excellent water resistance, mildew resistance and flame retardance, is formaldehyde-free and environment-friendly, can effectively achieve bonding of various materials such as wood, paper and fiber products, and has the advantages of being high in adhesive strength, capable of controlling the viscosity and good in flame retardance. The application field is widened, the adhesive is endowed with good weather resistance and flame retardance due to unique composite polymer components and a cross-linked structure, the adhesive can still keep a stable bonding effect in a humid environment and under different weather conditions, the service life of a bonded product is remarkably prolonged, and the application range of the adhesive is widened. And meanwhile, powerful guarantee is provided for home safety by virtue of excellent flame retardant property.

The invention provides a method for removing phosphorus from a cobalt sulfate solution. The method comprises the following steps: providing a cobaltous sulfate solution to be treated; the method comprises the following steps: mixing a to-be-treated cobaltous sulfate solution, a composite polymer soluble ferric salt and a coagulant aid, carrying out precipitation reaction, and separating to obtain phosphorus-containing slag and cobaltous sulfate primary purified liquid; a deep phosphorus removal adsorbent is adopted to adsorb trace phosphorus in the cobalt sulfate primary purification liquid, then trace iron in the cobalt sulfate primary purification liquid generates precipitates in an oxygen-containing atmosphere, and after separation, a cobalt sulfate secondary purification liquid is obtained. According to the method, firstly, the synergistic effect of the composite polymer soluble ferric salt and the coagulant aid is adopted, and primary efficient removal of phosphorus is achieved; then, a deep phosphorus removal adsorbent is used for directionally adsorbing trace phosphorus in the cobalt sulfate primary purification liquid, so that deep removal of phosphorus is further realized; and finally, the residual trace iron is precipitated and separated in the oxygen-containing atmosphere, so that the purity of the secondary purified cobalt sulfate liquid is further guaranteed.

The invention discloses copper tailings-based ecological soil and an adopted conjugate improvement method, the copper tailings-based ecological soil comprises lime modified copper tailings and a tailings modifier, and the tailings modifier comprises a soil structure building agent, clay and water; the soil structure building agent comprises a composite high polymer material, an organic fertilizer and an anti-reflection fertilizer-retaining mineral material; the composite high polymer material contains xanthan gum and polyacrylamide, and the organic fertilizer contains humic acid. According to the method, the copper tailings serve as matrix soil, a good ecological environment suitable for plant growth is built by conducting in-situ modification on the tailings, the problems that soil is difficult to take through a soil dressing method and the like are effectively solved, and the ecological management time cost and the economic cost are saved; besides, the improved copper tailings are expected to achieve effective consideration of the characteristics of water retention / water permeability, agglomeration / loosening, air permeability / fertilizer retention and the like, high-added-value resource utilization of the copper tailings is achieved, a large-area copper tailings covering area is improved to form a good carbon sink area, and important economic and environmental benefits are achieved.

The application provides a solid electrolyte membrane and a preparation method thereof, a secondary battery and an electric device. The solid electrolyte membrane of the application comprises the following components: polyvinylidene fluoride or a copolymer thereof, polyimide or a copolymer thereof, an electrolyte salt, and an aminopolycarboxylate. The solid electrolyte membrane is prepared by taking polyvinylidene fluoride or a copolymer thereof as a matrix, and adding polyimide and an aminopolycarboxylate to improve the crystallization performance of polyvinylidene fluoride, so that a dense, high Young's modulus, flame-retardant composite polymer electrolyte membrane is obtained. The solid electrolyte membrane prepared by the application has a Young's modulus of ≥ 9.5 GPa at a thickness of 10 μm, an ionic conductivity of > 4*10 ‑4 S / cm at 25 ℃, and a capacity retention rate after 600 cycles at 1 C, all of which are above 85%.

The disclosure provides leather articles and a method for making leather articles comprising a substrate and a coating comprising a cellulose derivative having improved colorfastness to rubbing. The cellulose derivative may be methyl cellulose, ethyl cellulose, ethyl methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, ethyl hydroxyethyl cellulose, cellulose acetate, cellulose triacetate, cellulose propionate, cellulose acetate propionate, cellulose acetate butyrate, microcrystalline cellulose, cellulose nitrate, or cellulose sulfate.

The invention discloses a preparation method and application of a pole piece of a composite current collector. The pole piece comprises a composite polymer film with an adhesive layer on the surface of a polymer layer; holes penetrate through the composite polymer film at equal intervals; performing composite molding on two surfaces of the composite polymer film and aluminum foil, and performing high-temperature curing; etching the aluminum foils on the two sides to a target thickness; after drying, slitting along the edge of the hole to obtain a composite current collector with a welding area on one side edge; one end of the tab is arranged in the groove of the welding area, and the tab-aluminum foil-aluminum foil welding is realized by adopting ultrasonic welding. According to the invention, a polymer layer is canceled at a local fixed point of the composite current collector to obtain a pure metal tab welding site, the pure metal tab can be directly welded with the tab through the pure metal site, and an external aluminum foil switching process is removed; the process of composite current collector transfer welding is reduced, the overall yield of battery cell manufacturing is improved by more than 5%, and the preparation time of the battery cell is shortened to 8 h; moreover, transfer welding positions are reduced, the head space of the battery cell is narrowed, and the energy density is improved by more than 2%.

A nano composite polymer brush production device relates to the technical field of nano material manufacturing equipment, and is formed by connecting a plurality of groups of production units through a transportation mechanism, and each production unit comprises a coaxial magnetic control plasma reactor, a honeycomb microchannel reactor, an acoustic streaming resonance separation tower and a spray drying former, wherein a separation cavity is vertically arranged on a base of the acoustic streaming resonance separation tower, a reducing part at the bottom of the separation cavity is connected to an external container through a heavy phase outlet, the top of the separation cavity is provided with a light phase outlet of a hollow cone of which the top is reduced, and the outer surface of the separation cavity is provided with an Archimedes spiral flow channel which extends from bottom to top and is provided with a plurality of groups of ultrasonic transducers; the bottommost end of the flow channel is connected with the inlet of the separation tower, and the outlet at the topmost end extends into the separation cavity and points to the light phase outlet; through the synergistic effect of the sound field and the Dean vortex, additional fluidization equipment is not needed, directional migration and enrichment of the brush layer nanoparticles can be effectively achieved, and the purity of the produced final product can reach 99% or above.

The invention belongs to the technical field of adsorption materials and application thereof, and particularly relates to a metal ion liquid porous carbon material, a preparation method thereof and application of the metal ion liquid porous carbon material in aromatic hydrocarbon adsorption, and the preparation method comprises the following steps: S1, preparing a composite polymer by taking thermosetting phenolic resin, o-dihydroxybenzene, a Lewis acid complexing agent, dichloromethane and a cross-linking agent as raw materials; s2, performing carbonization treatment on the composite polymer in a nitrogen atmosphere to obtain a carbon material; and S3, infiltrating the carbon material into ionic liquid, stirring and drying to obtain the metal ionic liquid porous carbon material. The metal ion liquid porous carbon material prepared by a polymerization-carbonization-modification process has excellent pore structure and surface properties, can enhance the acting force with aromatic hydrocarbon molecules when being used as an adsorbent, has high adsorption capacity and selectivity on aromatic hydrocarbon, and realizes effective separation of aromatic hydrocarbon and non-aromatic hydrocarbon.

The present invention discloses a lithium aluminum titanium phosphate composite polymer, a preparation method thereof and an application thereof, belonging to the technical field of lithium ion batteries. The preparation steps of the lithium aluminum titanium phosphate composite polymer include: in an inert atmosphere, dissolving a polymer monomer and a lithium salt in an organic solvent, then adding lithium aluminum titanium phosphate modified by a silane coupling agent, and after the reaction, adding a crosslinking agent to crosslink and polymerize the polymer monomer and the lithium aluminum titanium phosphate modified by the silane coupling agent, and obtaining the lithium aluminum titanium phosphate composite polymer after curing. The present invention utilizes the reactive sites dispersed in the polymer chain to react with the surface groups of the LATP modified by the silane coupling agent, so that the modified LATP particles are uniformly dispersed along the polymer chain. A chemical bond connection is formed between the LATP and the polymer, improving the discontinuous conduction of lithium ions caused by the organic-inorganic interface of the traditional composite electrolyte. The introduction of LATP endows the electrolyte with good mechanical properties and thermal stability.

The present invention discloses a stretch-resistant caulking material, a preparation method thereof and an application. The stretch-resistant caulking material comprises the following components by mass fraction: 4% - 25% of a thermoplastic resin; 45% - 65% of a mineral oil; 4% - 25% of a composite polymer; 0.8% - 8.0% of a reinforcing agent; and 2% - 7% of a first chemical agent. The stretch-resistant caulking material conforms to the structures and construction characteristics of existing road cracks and reserved cracks in structural structures, has excellent high-temperature performance, low-temperature performance and deformation recovery ability, has a relatively high softening point, strong adhesion and high low-temperature tensile rate and low-temperature ductility, and can effectively fill and repair road cracks and reserved cracks in structural structures.

This invention belongs to the field of road engineering materials technology and discloses a wear-resistant and impermeable recycled asphalt and its preparation method. Addressing the problems of poor wear resistance, insufficient impermeability, and unsatisfactory high and low temperature performance of traditional recycled asphalt, this invention uses recycled asphalt and base asphalt as base materials, and combines them with a composite nano-modifier, a composite polymer modifier, basalt fiber, an organosilicon waterproofing agent, a compatibilizer, and an anti-aging agent to prepare recycled asphalt. In the preparation process, the recycled asphalt is first melted and mixed with the base asphalt, and then each modifying component is added sequentially. The mixture is then subjected to high-speed shearing, stirring, and heat preservation development processes to obtain the finished product. This invention, through the synergistic effect of multiple components, significantly improves the wear resistance, impermeability, low-temperature crack resistance, and high-temperature stability of recycled asphalt, effectively extending the service life of recycled asphalt pavements. Furthermore, the preparation process is simple, easy to industrialize, and offers both good economic and environmental benefits.

The invention discloses a composite dust suppressant and a preparation method thereof. The composite dust suppressant comprises the following components in parts by weight: 20-30 parts of a modified starch-based composite polymer material; 5-15 parts of residual oil; 1-3 parts of a surfactant; 1-3 parts of halide; 1-3 parts of a cosolvent; 46 to 72 parts of water; the preparation method of the modified starch-based composite high polymer material comprises the following steps: mixing modified starch and sodium alginate according to a ratio of 1: 1, adding deionized water, heating, pre-emulsifying in a colloid mill, and then treating by a high-pressure homogenizer to obtain the modified starch-based composite high polymer material. The dust suppressant disclosed by the invention has the beneficial effects that the dust suppressant is firm in film formation, strong and lasting in wetting and water absorption effects, and capable of effectively suppressing generation and propagation of dust; the components of the dust suppressant are environment-friendly and harmless to the environment and human bodies, and meet the requirements of sustainable development; the preparation method is simple, industrial production is easy, and the production cost is reduced.

The invention relates to the technical field of solid electrolyte, in particular to polymer solid electrolyte based on a photocuring technology and a preparation method. The problem that high conductivity and mechanical stability cannot be achieved at the same time in a common technology is solved. The polymer solid electrolyte based on the photocuring technology is composed of a functional component A, a functional component B, a functional component C, a lithium salt and a photoinitiator. By optimizing the formula design of the composite polymer and the photocuring preparation process, the ionic conductivity and the mechanical property of the solid electrolyte are effectively improved, and the prepared composite polymer solid electrolyte film has excellent electrochemical stability and cycle performance; and a technical support is provided for the application of the high-performance lithium metal battery.

This invention belongs to the field of solid-state electrolyte technology, specifically providing a method for in-situ construction of polymer salt / inorganic filler heterogeneous interfaces in composite solid-state electrolytes and its application. This invention utilizes single-ion polymer side-chain anionic groups to simultaneously achieve in-situ sol-gel catalysis and lithium salt anion anchoring, generating a molecularly uniform composite polymer salt / inorganic filler heterogeneous interface in the electrolyte matrix. This solves key problems such as filler agglomeration, high interfacial impedance, and significant space charge layer in traditional mechanical blending, significantly improving lithium-ion transport efficiency and overall electrolyte performance. This method is simple, environmentally friendly, and suitable for the preparation of high-performance composite solid-state electrolytes.