72results about How to "Good reversibility" patented technology

The invention discloses a flame-retardant polyurethane composite material and a preparation process thereof, and relates to the field of high polymer materials. When the flame-retardant polyurethane composite material is prepared, tetramethyl tetravinyl cyclotetrasiloxane reacts with DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) to obtain phosphorus modified cyclotetrasiloxane; then, lignin sequentially reacts with 3-aminopropyldimethoxymethylsilane and phosphorus modified cyclotetrasiloxane, and modified lignin microspheres are obtained; the preparation method comprises the following steps: reacting 2, 4-pentanedione, 1, 5-dichloro and hydroxylamine hydrochloride to obtain a dioxime monomer; and uniformly mixing isophorone diisocyanate, 1, 4-butanediol, a dioxime monomer, N, N-dimethyl hexylamine, the modified lignin microspheres and deionized water, pouring into a mold, and curing to obtain the flame-retardant polyurethane composite material. The flame-retardant polyurethane composite material prepared by the preparation method disclosed by the invention has excellent antibacterial property, flame retardance and self-repairing property.

The invention relates to a preparation method of a negative electrode material for greatly exposing (101) crystal faces of a traditional commercial zinc foil by adopting a citric acid etching reaction and application of the negative electrode material in water-based zinc ion battery negative electrode protection. And the crystal faces (100) and (002) are etched off by using citric acid, and a large amount of the negative electrode material of the crystal face (101) is exposed. When applied to a negative electrode of a water-based zinc ion battery, the negative electrode material can improve the migration and nucleation capabilities of zinc ions in the negative electrode, can accelerate the dynamic process of rapid and uniform deposition of the zinc ions, and also can improve the stability of the battery. The stability and the dynamic performance of the negative electrode can be greatly improved, zinc ions can achieve rapid migration and uniform deposition on the surface of the negative electrode, and a good inhibition effect on hydrogen evolution and corrosion behaviors is achieved. Research finds that a layer of ZnS solid electrolyte membrane (SEI) protection layer is formed on the surface of the highly exposed Zn (100) negative electrode in the circulation process to prevent direct contact between an exposed crystal face and electrolyte, so that side reactions such as water decomposition and the like are inhibited, interface free energy is reduced, transfer kinetics of zinc ions is promoted, and the service life of the negative electrode is prolonged. And nucleation and deposition of uniform zinc ions are facilitated. The method for protecting the negative electrode of the aqueous zinc ion battery is simple and safe to operate, shows excellent reversibility, and can stabilize the output of the battery in a whole battery in practical application, and the method for protecting the negative electrode of the aqueous zinc ion battery is provided.

The invention discloses a trimethylolethane modified aqueous zinc ion battery electrolyte and an aqueous zinc ion battery. Wherein the aqueous zinc ion battery electrolyte comprises soluble zinc salt, trimethylolethane and water, after a trimethylolethane additive rich in polar groups (-OH) is introduced into the electrolyte, a zinc negative electrode can be covered by trimethylolethane molecules, and the adsorption of H2O is hindered, so that the side reaction is inhibited; and meanwhile, the adsorbed trimethylolethane adjusts the diffusion and nucleation behaviors of Zn < 2 + > on the surface of the negative electrode, and promotes the preferential deposition of a Zn (002) texture, so that dendrite-free Zn deposition is realized, and the problems of dendrite, hydrogen evolution, corrosion and the like of the current aqueous zinc ion battery negative electrode are solved. Besides, the trimethylolethane adsorbed on the surface of the electrode regulates the double electrode layer at the interface of the zinc negative electrode, so that the number of water molecules in the double electrode layer is reduced, the cycle time of the zinc negative electrode can be effectively prolonged, and the device life of the water-based zinc ion battery is prolonged.

The utility model relates to the technical field of vehicle lamp assembly, in particular to a line body counterweight lifter device based on vehicle lamp assembly, which comprises a rack, a ball screw transmission structure, a lifting platform structure and a counterweight chain wheel structure, the ball screw transmission structure comprises a ball screw vertically arranged on the machine frame and a ball screw connecting base arranged on the ball screw in a matched mode, and a platform deck plate of the lifting platform structure is fixed to the ball screw connecting base and arranged on the front face of the machine frame. The balance weight chain wheel structure comprises a guide wheel and a chain, the guide wheel is rotatably assembled on the rack, the chain is matched with the guide wheel, one end of the chain is arranged on the front face of the rack and connected to the lifting platform structure, and the other end of the chain is arranged on the back face of the rack and provided with a balance weight block. The technical problem that in the prior art, a lifting motor of a chain wheel lifting device used for carrying lamps is greatly impacted is solved.

The invention relates to an iron-chromium flow battery electrolyte, a preparation method thereof and an iron-chromium flow battery. The iron-chromium flow battery electrolyte comprises a trivalent chromium ion organic complex, ferrous ions, hydrogen ions, lithium ions, metal ions except lithium, iron and chromium, and a solvent. An organic ligand in the trivalent chromium ion organic complex comprises a compound containing a carboxylic acid group and / or a compound containing an amino group. According to the iron-chromium flow battery electrolyte disclosed by the invention, the organic ligand and the trivalent chromium ions are complexed, and the catalytic action of the lithium ions and other metal ions except lithium, iron and chromium is combined, so that the reaction activity of chromium couple in the negative electrode electrolyte can be remarkably improved, the phenomenon that a large amount of trivalent chromium ions are aged is improved, the hydrogen evolution side reaction is reduced, and the service life of the iron-chromium flow battery is prolonged. And the charge-discharge capacity, the cycle stability and the energy efficiency of the iron-chromium flow battery are comprehensively improved, so that the purpose of high-efficiency operation of the iron-chromium flow battery is achieved.

The invention provides a preparation method of a composite solid electrolyte coated positive electrode material. According to the invention, the silicon coupling agent is coated on the solid electrolyte, and a reticular retaining layer containing organic silicon is formed on the surface of the solid electrolyte, so that the stability of a material interface is effectively stabilized, the electrolyte is prevented from corroding an electrode material, and the rate capability and the cycling stability of a lithium-rich material are greatly improved. Then a cationic polymer is selected as a base membrane to be assembled into two layers of hybrid membranes to coat the outermost layer of the solid electrolyte, and then the crown ether lithium salt complex is introduced into the surface of the phospholipid / cationic polymer hybrid membrane, so that the occurrence of side reactions on the surface of an electrode is effectively inhibited, the structure of an active material is stabilized, and meanwhile, the thermal stability of the membrane is improved; and finally, the surface of the positive electrode material is coated with the composite solid electrolyte.

This invention belongs to the technical field of power equipment operation and maintenance, power distribution line construction, and high-altitude operation machinery. A pole-mounted transformer replacement device based on a truck-mounted crane is characterized by comprising a main frame and support system, a translational load-bearing system, a chain drive system, and a vertical lifting and centering system. The main frame and support system includes a main load-bearing frame, stabilizing legs, and lifting lugs. The translational load-bearing system includes a translational load-bearing platform and a linear guide rail slider assembly. The chain drive system mainly consists of a geared motor, a drive gear, a driven gear, a short transmission chain, a drive sprocket shaft, a bearing support seat, a long transmission chain, and a reducer mounting support. The vertical lifting and centering system includes a centering mechanism, a vertical lifting mechanism, and a vertical lifting support plate. The centering mechanism includes a horizontal drive motor, a horizontal push rod mechanism, and a guide bracket. This device can be transported by truck, deployed quickly, and is suitable for operation in confined and electrified environments.

The invention belongs to the technical field of aqueous zinc ion batteries, and particularly discloses a compound additive-containing composite electrolyte for an aqueous zinc ion battery, the composite electrolyte is composed of a water-soluble zinc salt, deionized water and a compound additive, and the compound additive is formed by compounding tetrahydrofuran and phosphoric acid. The tetrahydrofuran and phosphoric acid compounded additive can effectively adjust the pH value of the electrolyte and keep the electrolyte stable in the electrochemical cycle process, the tetrahydrofuran additive changes a zinc ion solvated structure and meanwhile can partially open a ring under the induction of phosphoric acid, more stable linear polyether is formed and anchored on the surface of a zinc negative electrode, and the electrolyte is more stable in performance. Therefore, hydrogen evolution reaction and corrosion of the zinc negative electrode are inhibited, zinc ions are guided to be uniformly deposited, the problems of zinc dendrite growth and the like are solved, and finally the cycling stability of the zinc negative electrode is improved to a great extent.

The application discloses a method for manufacturing a colorimetric sensing unit and array by using a multi-target Bayesian optimization algorithm. Different formulations of colorimetric sensing units are initially prepared on a hole plate; the hole plate is dried, and the dried hole plate is introduced into a gas test to obtain the values of response time, reversibility, responsivity and sensitivity of each formulation; the values of response time, reversibility, responsivity and sensitivity of each formulation are processed by a Sigmoid function to obtain score values, which are substituted into a multi-target Bayesian optimization algorithm to generate a next round of formulation; colorimetric sensing units are prepared on the hole plate according to the formulation; the steps are repeatedly cycled, and the number of cycles reaches a stop condition to obtain a global optimal formulation; and colorimetric sensing units are prepared according to the global optimal formulation. The method solves the problem that multiple indexes of a sensor are simultaneously optimized and some indexes are easily neglected, and can quickly optimize a CO2 colorimetric sensing array which simultaneously has wide range, high sensitivity, fast response and high reversibility.

The application discloses a zinc battery negative electrode material, a preparation method thereof and a zinc ion battery. The zinc battery negative electrode material is a composite of a carbon base material and zinc nanoparticles; the carbon base material is a porous carbon material with through nano or sub-micron channels, the zinc nanoparticles are distributed in the channels of the carbon base material, the surface of the zinc nanoparticles is wrapped by a carbon network, and the carbon network anchors the zinc nanoparticles in the channels of the carbon base material. A pulse mode is adopted to alternately introduce zinc sources and carbon sources, and interval purging is performed after each introduction; in view of the unique physical and chemical characteristics of zinc, a synergistic process of "functional group guidance-pulse deposition-immediate anchoring" is designed, so that the deposition of zinc nanoparticles and the growth of the carbon network are alternately performed. The zinc battery negative electrode material can not only inhibit the growth of zinc particles in a long-term electrochemical cycle process, improve the utilization rate of zinc, but also reduce the direct contact area of zinc and electrolyte, and is helpful to inhibit the occurrence of side reactions such as hydrogen evolution.

The invention discloses a secondary check code generation and verification method and device for an anti-counterfeiting code, computer equipment and a storage medium, and the generation method comprises the steps: extracting information of a second preset digit from an anti-counterfeiting code with a first preset digit as a verification base, and combining the verification base with an auxiliary code containing commodity information, obtaining a primary check code; selecting a Galois field and a preset reversible matrix to perform reversible operation on the primary check code, and performing plain code conversion on a result of the reversible operation to obtain a primary check code plain code with a third preset bit number; and performing reversible encryption on the primary check code plain code by using a preset chaos formula to obtain a check code ciphertext. The technical scheme provided by the invention aims to provide the secondary check code which can be partially restored with the anti-counterfeiting code without sacrificing the anti-counterfeiting safety, namely without exposing the check code and the corresponding relationship with the anti-counterfeiting code.

The invention relates to the technical field of gas sensors and elements, and discloses a gas sensor as well as a preparation method and application thereof. The gas sensor comprises an electrode substrate and cobalt vanadate coated on the surface of the electrode substrate, the preparation method comprises the following steps: mixing ammonium metavanadate, cobalt salt, an alkali source and water, and reacting; carrying out solid-liquid separation on the obtained product, and calcining the solid product; and coating the surface of an electrode substrate with the obtained product, and aging. Compared with a single metal oxide gas sensor, the gas sensor has lower working temperature, excellent response sensitivity to carbon monoxide and good working stability; according to the preparation method, a surfactant or a template is not used, compared with the prior art, the technological process for synthesizing cobalt vanadate is reduced, operation is easy, cost is low, and industrial popularization is easy.

The invention relates to a rechargeable aqueous ZnIS flow battery system. The system includes a cathode side including an electrode material and a first storage tank providing a catholyte, where the catholyte includes zinc iodide and soluble starch, thereby forming an electrolyte having aggregated colloidal nanoparticles; an anode side comprising the electrode material and a second storage tank providing an anolyte; and a diaphragm positioned between the cathode and the anode. And the anolyte and the catholyte flow between the cathode and the anode through a peristaltic pump. The present invention provides a system for further developing colloidal electrolyte chemistry for LPPM-based flow battery systems to achieve power cost-effective and high temperature large scale energy storage.

This invention discloses an aluminum-containing heavy water-based electrolyte, its preparation method, and its applications. The electrolyte comprises a solvent and a solute. The solvent includes heavy water, a deuterated solvent, and a low-barrier hydrogen bond reconstructing agent. The solute comprises a main aluminum salt and an auxiliary monovalent metal salt. This electrolyte can construct low-barrier hydrogen bonds in solution by controlling the solvent composition, significantly reducing the activity of water in the solution, improving the electrochemical stability of the solution, and suppressing side reactions. Simultaneously, it improves the electrochemical reaction behavior of aluminum in the solution and at the electrolyte / electrode interface, which is beneficial for improving the electrochemical deposition efficiency of aluminum in aqueous solution.

This invention discloses a zinc battery anode material, its preparation method, and a zinc-ion battery. The zinc battery anode material is a composite of a carbon substrate and zinc nanoparticles. The carbon substrate is a porous carbon material with through-hole nano- or submicron pores. The zinc nanoparticles are distributed within the pores of the carbon substrate, and their surfaces are encapsulated by a carbon network, which anchors the zinc nanoparticles within the pores of the carbon substrate. A synergistic process of "functional group guidance—pulse deposition—instant anchoring" is designed, taking into account the unique physicochemical characteristics of zinc, to achieve alternating deposition of zinc nanoparticles and growth of the carbon network. This zinc battery anode material not only inhibits zinc particle growth and improves zinc utilization during long-term electrochemical cycling, but also reduces the direct contact area between zinc and the electrolyte, helping to suppress side reactions such as hydrogen evolution.

The invention discloses a reversible enzymatic protective agent for bone cultural relics and a method for using the same and an application thereof, and belongs to the technical field of bone cultural relic protection. The protective agent provided by the invention can quickly form a protective film on the surface of the bone cultural relic, and the fastest time is 9 minutes, and can effectively fill the crisp gaps on the surface of the bone cultural relic. The hardness, porosity and compressive strength of the bone cultural relic protected by the protective agent provided by the invention are significantly improved; the protective agent provided can be thoroughly washed off by spraying a 50±5°C, 1% ethylene glycol aqueous solution, then rinsing with running water, and lightly brushing with a soft brush to assist, and the bone cultural relic after washing off the protective agent has no obvious change from the surface of the cultural relic before protection / reinforcement by the protective agent, and has strong reversibility; the components of the protective agent and the eluent are all non-toxic or low-toxic preparations, and there is no safety hazard to the health of bone cultural relic protectors and visitors. It is green and environmentally friendly, simple to operate, and suitable for the protection of bone cultural relics.

The invention relates to the technical field of optical element precision manufacturing, in particular to an optical element three-dimensional modeling method based on normal projection inverse transformation. Comprising the steps of establishing an ideal curved surface parameterization vector expression according to optical design parameters, and determining a curved surface body coordinate system and a vector height function; solving the gradient of the rise function to obtain gradient information of each point of the curved surface and calculating a unit normal vector; projecting the three-dimensional curved surface points to a preset reference plane along the normal direction of the curved surface, establishing a forward geometric mapping relation from the three-dimensional coordinates of the curved surface body coordinate system to the measurement coordinates of the interferometer, and obtaining an explicit expression of the measurement coordinates; two-dimensional normal error distribution data of the optical element are collected, errors are overlaid in the normal direction to construct an actual curved surface expression containing manufacturing errors, and the corresponding relation between three-dimensional normal errors and measurement data is established; and on the basis of forward mapping relation numerical value inverse transformation, the measurement coordinates are inversely calculated into curved surface body coordinates, and the curved surface body coordinates are substituted into an actual curved surface expression to obtain a complete three-dimensional curved surface model containing manufacturing errors.

The invention relates to a lithium metal composite negative electrode and a preparation method and application thereof.The lithium metal composite negative electrode comprises a polymer substrate layer, a composite layer and a lithium metal layer which are sequentially arranged from inside to outside, the composite layer comprises a second polymer and lithium alloy, the lithium alloy is LiMx, and M is selected from one or more of Ag, Al, Ba, Bi, Ga, Ge, Ni, P, Pb, Sb, Si, Sn, Sr, Zn, Ti, Mg and Mn. The lithium metal composite negative electrode can be prepared through simple melting, tape casting and hot rolling, and is suitable for industrial production; the lithium metal composite negative electrode prepared by the preparation method has a conductive and lithium-loving double-gradient composite layer, and lithium deposition at the interface of the negative electrode and a diaphragm can be effectively inhibited. When the lithium metal composite negative electrode is used in the lithium metal battery, the energy density of the battery can be improved, the problem of negative electrode lithium dendrites can be effectively inhibited, and the long-acting stable circulation of the high-energy-density lithium battery can be realized.

The invention provides a negative electrode current collector, a preparation method thereof and an all-solid-state battery. The negative electrode current collector comprises a substrate layer, a first coating and a second coating which are sequentially stacked, the first coating comprises a composite material with a first metal and MXene carbide, and the second coating comprises a second compound; wherein the first metal comprises at least one of silver, gold, tin, zinc, lead or bismuth; the general formula of the MXene carbide is Mn + 1CnTx, M comprises at least one of titanium, vanadium, niobium, molybdenum, tantalum, chromium, zirconium, hafnium, scandium or tungsten, n is equal to 1-3, and Tx comprises at least one of-OH,-O or-F; the second compound comprises at least one of aluminum oxide, magnesium oxide, lithium fluoride, magnesium fluoride, calcium fluoride or boron nitride. The negative electrode current collector, the preparation method thereof and the all-solid-state battery provided by the invention are simple in structure, convenient to manufacture and high in stability, and can improve the battery performance and prolong the service life.

The present invention belongs to the technical field of alkali metal ion batteries, and discloses a negative electrode of a lithium / sodium ion battery with a dual gradient structure and a preparation method thereof. The dual gradient negative electrode is a double gradient sandwich structure constructed by a current collector modified with a strong lithium / sodium-philic conductive layer at the bottom of the negative electrode, an active layer in the middle of the negative electrode, and a lithium / sodium-phobic insulating passivation layer at the top of the negative electrode, wherein the bottom of the negative electrode is lithium / sodium-philic and conductive, the middle negative electrode active layer has moderate lithium / sodium-philicity and conductivity, and the top is lithium / sodium-phobic and insulating. By introducing a conductive and lithium / sodium-philic component at the bottom of the negative electrode with a low lithium / sodium nucleation barrier, after the negative electrode active layer accommodates lithium / sodium, it can induce excess lithium / sodium ions to nucleate and grow from the bottom of the negative electrode, avoid lithium / sodium precipitation on the surface of the negative electrode, effectively utilize the lower layer space of the negative electrode, realize dual-phase lithium / sodium storage, and greatly improve the specific capacity and cycle life of the negative electrode. At the same time, the insulating lithium-repellent passivation layer on the negative electrode surface is not only thin, but also well preserves the original pore structure of the negative electrode active layer, and has little effect on the wettability of the electrolyte and the diffusion process of lithium / sodium ions. Moreover, the insulating lithium-repellent property effectively hinders the reduction growth of lithium / sodium on the electrode surface. The synergistic effect of the dual-gradient structure not only greatly improves the specific capacity of the negative electrode through the dual-phase lithium / sodium storage characteristics, but also prevents the occurrence of lithium / sodium precipitation on the surface, significantly improving the cycle performance of the battery.

The present invention belongs to the field of bioelectronics and neuromorphic computing technology, and relates to a SF-based memristor with a reversible negative photoelectric effect and a preparation method thereof, wherein SF@WS is spin-coated on the upper surface of a conductive layer. 2 After suspension, drying forms SF@WS 2 layer, and then deposit the electrode layer to obtain a SF-based memristor with a reversible negative photoelectric effect. 2 The solution was prepared by adding WS to the SF solution. 2 The invention solves the problems of poor cycle stability, short data retention time and irreversibility of negative photoelectric memristor in existing SF-based memristor, and realizes reversible regulation of device resistance with light intensity, long data retention time and good cycle stability.

The invention discloses a photochromic agent, a photochromic anti-counterfeiting silicone adhesive as well as a preparation method and application of the photochromic anti-counterfeiting silicone adhesive, and belongs to the technical field of high polymer materials. The molecular structure of the photochromic agent contains (CH2) n-SiR ''3, the photochromic agent has good compatibility and stability in a silicone adhesive, layering and influence on discoloration caused by poor compatibility of the photochromic agent and a system are solved, meanwhile, negative influence on the transparency and mechanical property of the sealant is avoided, and the photochromic agent has good application prospects. The photochromic agent is high in color changing speed, the color changes within 3 seconds after ultraviolet treatment, and the color becomes darker and darker along with the prolonging of irradiation time and is finally stable; according to the photochromic agent, after ultraviolet irradiation is finished, the color can disappear slowly, color disappearance can be accelerated when a fluorescent lamp is used for coloring, and the photochromic agent has excellent reversibility (that is, the color is changed when ultraviolet irradiation is carried out, an ultraviolet light source is moved away or white light irradiation is carried out, and the color is gradually recovered to a colorless and transparent state).

The invention relates to the technical field of electrochemistry, in particular to a preparation method and application of a Co (OH) 2 electrode material for electrochemically detecting total phosphorus, and the preparation method comprises the following steps: A, respectively preparing cobalt nitrate and urea into a cobalt nitrate solution and a urea solution, and mixing the cobalt nitrate solution and the urea solution to obtain a mixed solution; b, a metal cobalt rod is put into the mixed solution obtained in the step A for a reaction, then cooling, washing and drying are conducted, then plasma bombardment and impurity removal are conducted, and the Co (OH) 2 electrode material is obtained and is good in stability, good in detection sensitivity and high in anti-interference capacity.

This invention discloses an integrated device for in-situ power generation and extraction of coal seam gas and its usage method, relating to the field of coal seam gas control and utilization technology. An underground in-situ installation mechanism is used for anchoring coal seam boreholes and includes a gas storage chamber. A gas pretreatment mechanism is located inside, performing multi-stage purification of the raw gas entering the storage chamber. An outlet pipe connects to the storage chamber. A first negative pressure generating mechanism is detachably connected to the outlet pipe, generating negative pressure in the storage chamber in a first operating mode. A mechanical extraction mechanism can replace the first negative pressure generating mechanism, switching to a second operating mode. A bidirectional electrochemical energy conversion mechanism is connected to the underground in-situ installation mechanism and the storage chamber; in the first operating mode, it generates electricity using high-concentration gas, and in the second operating mode, it produces methane using electrical energy. An integrated control system is electrically connected to each mechanism, coordinating operation according to a preset program or remote commands to achieve switching between the two operating modes and stable operation. This invention enables the coordinated operation of in-situ collection, power generation, and extraction of coal seam gas.

The present invention provides a layered oxide positive electrode material for inhibiting the slippage of a transition metal layer and a preparation method thereof. The layered oxide positive electrode material is composed of a plurality of heterovalent ions doped simultaneously in the sodium layer, transition metal layer and oxygen layer of a sodium ion layered oxide. In the present invention, heterovalent cations with large ionic radius in the sodium layer of the material can play a role in supporting the transition metal layer; lithium ions in the transition metal layer can reversibly migrate between layers; and fluorine ions in the oxygen layer can improve the reversibility of the oxygen reaction. Therefore, the introduction of a plurality of heterovalent ions reduces the electrostatic repulsion between sodium layers in the material, thereby inhibiting the slippage of the transition metal layer at the end of charging, effectively alleviating the structural phase change of the layered oxide positive electrode material during the charging and discharging process, and significantly improving the electrochemical cycle stability and rate performance of the sodium ion battery.

The invention discloses a solid electrolyte of a zinc ion battery, which is self-assembled into a zinc-based supramolecular crystal by taking nitrile organic molecules and organic zinc salt as main materials. The invention also discloses a preparation method and application thereof. According to the zinc ion battery solid electrolyte provided by the embodiment of the invention, the ionic conductivity and the ionic transference number of the solid electrolyte can be improved, the electrochemical stability window of the solid electrolyte is improved, the compatibility of the solid electrolyte and an electrode is enhanced, and the reversibility, the utilization rate and the cycle life of a positive electrode and a negative electrode are improved, so that the energy density of the whole battery is improved.

The invention discloses a neutral zinc-iodine flow battery electrolyte composition based on two-electron reaction and application thereof, and belongs to the field of flow batteries. Zinc salt, iodized salt, acetate, a specific amine compound and a supporting electrolyte are adopted as main active components of the electrolyte. According to the amine compound used in the electrolyte, an active substance iodine on the positive electrode side of the battery can be subjected to a two-electron transfer reaction, so that a reversible oxidation-reduction reaction from-1 valence iodine to + 1 valence iodine is realized. Compared with the original irreversible multi-electron transfer reaction, the two-electron transfer reaction has higher reversibility, two reversible charging and discharging platforms can exist, the energy efficiency of the battery can be remarkably improved, and the application of the zinc-iodine flow battery based on the multi-electron transfer reaction is facilitated.

The application discloses a kind of ancient ship rotten wood protection repair method, for the pine, fir, camphor wood on ancient ship, after the oxidation-reduction reaction of iron and the oxidation of reduced state sulfur, cause the degradation and rotten of wood, with micro-nano lime and ethyl cellulose deacidification reinforcement;For the crack and incomplete parts of ancient ship, make into imitation wood grain paste with tung oil etc. and fill the vacancy;For broken wood block, make into rotten wood adhesive with tung oil etc. and bond;For the ancient ship protection after repair, use fluorine rubber as sealing agent, provide a good environment for cultural relics, achieve waterproof, mildewproof, insect prevention and other effects.The method of the application replaces the traditional polyethylene glycol penetration spray method, rosin paraffin hot infiltration method, polyvinyl alcohol, polyethylene glycol penetration reinforcement, spraying raw tung oil, raw lacquer, B72 and epoxy resin and other protection methods, and uses fluorine rubber as ancient ship sealing agent, achieves the purpose of traditional and modern material combination of cultural relic protection "repairing old as old, minimal intervention".

This invention relates to the field of secondary battery technology, and discloses an inorganic superionic conductor material, its preparation method, and its applications. The inorganic superionic conductor material comprises apatite and dopant ions doped into the apatite; wherein the dopant ions include metal cations and non-metal anions. The inorganic superionic conductor material provided by this invention can be used as a modified filler to achieve synergistic effects on electrolyte mechanical and electrochemical performance. Simultaneously, it can be introduced as a modifier into iodine cathodes to activate the 4-electron reaction of the iodine cathode, and introduced into bromine cathodes to stabilize the redox reaction of bromine, reducing bromine loss, thereby significantly improving the capacity and cycle stability of the full battery. Furthermore, by using 3D printing technology, screen printing, digital light processing, and fused deposition modeling, the inorganic superionic conductor material can be assembled with interdigitated positive and negative electrodes into flexible batteries, exhibiting excellent application effects when integrated with flexible LEDs.

The application discloses a three-dimensional tower-shaped zinc negative electrode for aqueous zinc ion batteries and a preparation method and application thereof, and relates to the technical field of aqueous zinc ion batteries. The preparation method comprises the following steps: taking a copper foil as a working electrode, a zinc sheet as a counter electrode, and placing the copper foil and the zinc sheet in an electroplating solution to perform electroplating; after the electroplating is completed, a zinc plating layer is formed on the surface of the copper foil, and thus the three-dimensional tower-shaped zinc negative electrode for aqueous zinc ion batteries is obtained; and the electroplating solution is composed of a conductive salt, a zinc salt, isomalt and water. In the application, the copper foil is taken as the working electrode, the zinc sheet is taken as the counter electrode, the electroplating solution composed of the conductive salt, the zinc salt and the isomalt is adopted, and the zinc layer is electroplated on the surface of the copper foil through the electroplating process. The zinc plating layer has a clear three-dimensional tower-shaped structure, can provide stable sites for the deposition / dissolution of zinc, buffer volume changes, inhibit the growth of dendrites and corrosion from the structural and chemical aspects, and thus the cycle stability and safety performance of the aqueous zinc ion battery are improved.