44 results about "Ion formation" patented technology

The present application relates to a kind of perovskite solar cells and its passivation method, the electron blocking layer is made of acyl chloride group derivative, on the one hand, the carbonyl group in acyl chloride group can be coordinated with the Pb 2+ Ion forms Lewis acid-base pair, thereby significantly reduce the defect state density of perovskite surface.Let go of group Cl ‑ Ion can increase the grain size of perovskite, improve the crystalline quality of perovskite layer.In addition, acyl chloride group and perovskite component reaction generates electron blocking layer cesium acetate, reduces the charge recombination at interface, while it can promote energy level gradient arrangement, effectively improve the separation and extraction capacity of carrier, successfully improve the photoelectric conversion efficiency and stability of carbon-based hole-free all-inorganic perovskite solar cell, and significantly reduce the hysteresis effect.The present application process is simple and has universality, is conducive to promoting the commercialization of perovskite, has wide market demand and application prospect.

The invention discloses a carbon nitride composite material as well as a preparation method and application thereof, and designs and prepares an activated carbon loaded modified carbon nitride nanosheet, K ions are doped between layers of the modified carbon nitride nanosheet to form local geometric distortion caused by KN bridging and K + intercalation, and the local geometric distortion and a P gap state generate synergy, so that the performance of the carbon nitride composite material is improved. The adsorption and activation capabilities of the material on O2 molecules are jointly optimized, so that the reaction from * OO to * OOH is obviously accelerated. The adsorption and enrichment effects of the activated carbon and the oxidative degradation and sterilization capabilities of the photocatalytic material can be fully utilized.

The present invention relates to novel compounds formed by the pairing of ion of fu- rafinitib, which have one or more improved properties compared to the prior art of furafinitib. The present invention also relates to a process for the preparation of said compounds, to pharmaceutical compositions thereof and to the use thereof for the preparation of a medicament for the treatment and / or prevention of diseases associated with abnormal angiogenesis in a patient, such as cancer, tumors, macular disorders and chronic inflammation.

The invention provides a method for promoting low-temperature densification of yttria-stabilized zirconia and application, and belongs to the technical field of high-temperature solid oxide fuel cells. The nano-powder prepared by a sol-gel method is small in particle size, large in specific surface area and high in activity, so that the densification temperature of the nano-powder is reduced, the nano-powder is sintered in a vapor-containing atmosphere, the oxygen partial pressure under high-temperature vapor is reduced, lattice oxygen escapes to form oxygen vacancies, meanwhile, hydrogen proton defects generated by hydrolysis reduce the formation energy of cation defects, and the oxygen vacancies are reduced. Formation of defects is promoted, and oxygen vacancies and the defects provide channels for atomic diffusion; and hydroxyl adsorbed on the surface of the YSZ and cations form ionic bonds, the diffusion rate of OH <-> is far higher than that of O2 <->, and due to electrostatic interaction, diffusion of cations is further promoted, so that sintering of the YSZ is promoted, and low-temperature densification of the YSZ is realized.

The application provides a magnetic fluid driven shock wave water jet supercritical state ion mist explosion decomposer, which comprises a water body type Mach shock wave generator, the water body type Mach shock wave generator converts electric energy into high-energy shock wave energy, liquid forms a liquid-gas mixed layer at the tip of a Mach cone, micro-nano cavities in the liquid-gas mixed layer collapse to generate ultrahigh temperature and pressure, provide conditions for the formation of supercritical state ions, and are accompanied by micro-jets, which are dispersed on the surface of the liquid; and a magnetic fluid driver is arranged above the water body type Mach shock wave generator, the magnetic fluid driver generates an electric field perpendicular to a magnetic field through positive and negative electrodes, cuts the magnetic force lines, and makes the liquid form a rotating vortex flow by itself. The decomposer can play a role in sterilization and disinfection in water and air, and has the advantages of lightness, smallness, thinness, low power consumption, low cost and the like.

The invention belongs to the technical field of corrosion protection, and particularly relates to a two-dimensional composite anticorrosive filler as well as a preparation method and application thereof. The preparation method comprises the following steps: growing polyaniline on graphene oxide through in-situ polymerization to serve as a substrate layer; forming a polydopamine adhesion layer on the surface of the substrate layer; through the self-polymerization effect of dopamine, mesoporous silica coated tannic acid is loaded on a polydopamine adhesion layer, and a two-dimensional composite anticorrosive filler is constructed. The filler not only retains the physical barrier characteristic of a two-dimensional filler, but also introduces a synergistic corrosion inhibition mechanism of polyaniline and tannic acid, so that a dual-protection function is realized. Polyaniline promotes the formation of a passive film through an oxidation-reduction reaction, and tannic acid forms a protective layer through complexing metal ions to achieve a synergistic effect, so that more efficient and more lasting active protection is provided.

A battery cell, its preparation method, battery, and power-consuming device are disclosed. The battery cell includes a positive electrode sheet, which comprises a positive current collector and a positive active material layer and a coating disposed on at least one surface of the positive current collector. The positive active material layer is disposed on the current collector, and the coating is disposed on the positive active material layer. The positive active material layer comprises sulfate ions, and the coating comprises a metal salt. The solubility product K of the inorganic salt formed by the sulfate ions and the metal cation of the metal salt is... sp ≤10 ‑6 The technical solution of this application is beneficial to reducing the sulfate ion content in the electrolyte of battery cells and improving the cycle performance of battery cells.

A method of separating chemical components by gas ion rectification comprising introducing a gaseous sample into a reaction space at a pressure above about 10 torr, where the gaseous sample comprises at least two chemical components; introducing a gaseous reactant into the reaction space, wherein the reactant comprises reactant ions configured to selectively ionize at least two chemical components in the sample; selectively ionizing the reactant ions from the at least two chemical components in the sample to form product ions, wherein the order in which the product ions are formed is controlled by vapor concentrations of the at least two chemical components, concentrations of the reactant ions, and reaction rate coefficients of the at least two chemical components; and subsequently removing the ionized at least two components from the reaction space in the order of product ion formation.

This invention provides a method for recovering nickel from high-temperature alloys. The method includes the following steps: electrochemically dissolving the high-temperature alloy to obtain a nickel-containing electrolyte and anode mud; adjusting the pH of the nickel-containing electrolyte until impurity metal ions form a precipitate, separating the precipitate to obtain a purified solution; mixing the purified solution, a chloride-containing solution, and an extractant for extraction to separate a cobalt-supported organic phase and a nickel-containing raffinate; adjusting the pH of the nickel-containing raffinate until nickel ions are converted into nickel precipitate, and then reducing the nickel precipitate with hydrogen plasma to obtain metallic nickel powder. The recovery process provided by this invention achieves high purity nickel recovery from high-temperature alloys, significantly shortens the single-batch operation cycle, improves recovery efficiency, and can meet the needs of large-scale, high-load continuous production.

An electrolyte for a lead storage battery, and a use thereof, belonging to the technical field of lead storage battery production. Improving the electrolyte by means of adding a surfactant changes the surface tension of the electrolyte, and can thus slow the phenomenon of delamination of the electrolyte from a source. Additionally, the introduced surfactant forms a stable complex by means of capturing lead ions in the electrolyte, thereby preventing the formation of lead dendrites and reducing the risk of short circuits.

The embodiment of the invention relates to a self-healing diaphragm, an ionic solution, a solid electrolyte, a preparation method and application. The preparation method of the diaphragm comprises the following steps: adding a first polymer, a hydroxyl-containing polymer matrix and a fluorine-containing lithium salt into an organic solvent to form a first solution; mixing the nano solid electrolyte with a second polymer to obtain a third solution; the first solution and the third solution are subjected to electrostatic spinning to form a membrane, and the membrane with the self-healing capacity is obtained through drying and piece cutting; the diaphragm contains a self-healing polymer, and hydrogen bond bridging is formed through hydroxyl in a polymer matrix and fluorine ions in fluorine-containing lithium salt, so that self-repairing is realized; the ionic solution is obtained by mixing a polymer monomer, the polymer matrix, a fluorine-containing lithium salt, an auxiliary agent, a film-forming additive and a lithium salt; the diaphragm and the ionic solution are used as a battery diaphragm and an electrolyte to assemble a battery and initiate in-situ polymerization to obtain a gel solid electrolyte with self-healing capability, so that the safety and the stability of the battery can be remarkably improved.

The invention belongs to the technical field of boron detection, and particularly relates to a method for detecting the content of boron in iron ore and application. The method comprises the following steps: adding a mixed acid of nitric acid, hydrochloric acid and hydrofluoric acid into a to-be-detected iron ore sample, and completely decomposing the to-be-detected iron ore sample through microwave digestion to obtain a sample solution; adding calcium salt into the sample solution, adjusting the pH value, enabling fluorine ions in the sample solution to form calcium fluoride precipitates, enabling iron and niobium interference elements in the sample solution to form hydroxide precipitates, and filtering out the calcium fluoride precipitates and the hydroxide precipitates to obtain a filtrate without matrix interference; a standard addition method is adopted, a series of boron standard solutions are added into the filtrate, the spectral line intensity of the series of solutions at the position of 249.678 nm is measured, a working curve is established, and the boron content in the iron ore sample to be measured is calculated through an extrapolation method. The three major pain points of iron and niobium interference, fluorine corrosion and lengthy process are solved in series.

The invention relates to a novel deep defluorination agent and resource application of solid waste generated by the novel deep defluorination agent. The novel deep defluorination agent is characterized by being prepared from the following raw materials: composite bimetallic oxide coated modified calcium carbonate microspheres, polyaluminum ferric chloride disodium hydrogen phosphate, polyethylene glycol-6000, 3 to 5 parts of sodium carbonate, magnesium sulfate and chitosan, the composite bimetal oxide coated modified calcium carbonate microsphere is of a core-shell structure and takes a calcium carbonate microsphere as a core, and a porous aluminum oxide coating layer and a porous zirconium oxide coating layer which are sequentially coated on the surface of the core. Through the multi-layer wrapping effect, calcium carbonate is used as an inner core, calcium ions can be slowly released, and calcium fluoride is formed by the calcium ions and fluorine ions; modified calcium carbonate microspheres are wrapped by porous aluminum oxide (inner layer) and porous zirconium oxide (outer layer), a stepped synergistic adsorption system is formed in deep fluorine removal, and efficient fluorine removal is realized through hierarchical function division.

An electroluminescent material and a non-doped electroluminescent device manufactured using the electroluminescent material. The electroluminescent device comprises a cathode, an anode, and a light-emitting layer between the cathode and the anode, the light-emitting layer consisting of a light-emitting d-f transition Ce(III) complex or Eu(II) complex; the light-emitting d-f transition Ce(III) complex has one or more Ce 3+ ions as central light-emitting ions and forms coordination bonds with Ce 3+ ions, and a first coordination layer around the Ce 3+ ions has 3-15 coordination atoms including one or more of C, N, O, F, Cl, Br, and I. The non-doped device has better electroluminescent performance than equivalent doped devices, while being less expensive to manufacture.

The invention discloses a high-valence Nb < 5 + > doped manganese oxide lithium ion sieve as well as a preparation method and application thereof, and belongs to the technical field of preparation of lithium ion sieves. The preparation method comprises the following steps: synthesizing a LiMnO2 precursor step by step, calcining manganese carbonate into Mn2O3, and carrying out hydrothermal reaction with LiOH; nbCl5 and LiMnO2 are mixed and calcined, Nb < 5 + > is doped and replaces part of Mn < 3 + > ions according to the proportion of 0.02-0.10, and a stable solid solution structure is formed. According to the lithium ion sieve, the average valence state of manganese can be improved by doping high-valence-state Nb < 5 + >, so that the disproportionation reaction of Mn < 3 + > is inhibited, the solution loss of manganese is reduced, the skeleton structure of spinel is stabilized, and lattice distortion is relieved. The adsorption capacity is 30.0-35.5 mg g <-1 >, the adsorption capacity after circulation is maintained to be 28-35 mg g <-1 >, and the manganese dissolution loss rate is 3.0-4.0%. The adsorbent is applied to extraction of lithium from salt lake brine, can enhance selective adsorption of Li < + >, overcomes the problem of performance degradation of traditional adsorbents, efficiently and stably extracts lithium, and has wide prospects and economic values.

The invention relates to the field of aqueous zinc ion batteries, and particularly provides an aqueous zinc ion battery electrolyte containing a functional additive as well as a preparation method and application of the aqueous zinc ion battery electrolyte. Branched chain type polyethyleneimine with the molecular weight of 600 is added into the electrolyte, molecules of the branched chain type polyethyleneimine are rich in high-density amino groups and have high nucleophilicity, stable Zn-N coordinate bonds can be formed by the branched chain type polyethyleneimine and divalent zinc ions on the surface of a zinc negative electrode, multi-site strong adsorption anchoring is achieved, and zinc ion deposition kinetics are accurately regulated and controlled; zinc ions are induced to uniformly nucleate and compactly grow at adsorption sites, so that dendritic crystal generation is inhibited from the source; meanwhile, amino is a weakly alkaline group, the local pH environment of the surface of the zinc negative electrode can be adjusted in a targeted mode through protonation reaction, the hydrogen evolution reaction triggering condition is remarkably weakened, a three-dimensional protection layer can be constructed on the surface of the electrode through a branched chain structure, active water molecules in an electrolyte are isolated through the steric hindrance effect, direct contact between the zinc electrode and water is reduced, and the hydrogen evolution reaction efficiency is improved. And side reactions such as corrosion are synchronously inhibited.

A subject of the invention is a remineralizing dental material, having at least one cation and at least one anion, which are configured as partner ions for forming a remineralization substance. In accordance with the invention at least one of the partner ions is multivalent and is included as counterion in a coacervate. A further subject of the invention is a kit for producing such a dental material, and also the use thereof.

This invention relates to the field of batteries and discloses a method for preparing nickel disulfide / copper sulfide / carbon composite hollow spheres and their applications. The invention uses hollow spherical Ni-MOF as a precursor, combined with subsequent ion exchange, PDA coating, glucose coating, carbonization, and sulfidation to prepare nickel disulfide / copper sulfide / carbon composite hollow spheres. This material inherits the porous hollow structure of Ni-MOF, providing a high-speed and efficient transport channel for ion diffusion in electrode materials, while mitigating volume change effects and improving the cycle life of sodium-ion batteries. Furthermore, the controllable introduction of appropriate amounts of copper ions through ion exchange to form a nickel-copper bimetallic sulfide heterostructure can accelerate ion diffusion kinetics, reduce the ion diffusion barrier, and enhance structural stability. Finally, the nitrogen-doped carbon derived from polydopamine carbonization in the middle layer improves the conductivity of the composite material and increases sodium storage active sites, while the outermost carbon layer derived from glucose carbonization further enhances the structural stability of the composite material.

The invention discloses a true and false detection method based on the self potential of an ionic water solution and an integrated bottle cap device, and belongs to the field of ionized water detection and beverage packaging. The method comprises the following steps: inserting a collecting electrode into a to-be-detected solution, and driving an LED by using a natural potential difference formed by free ions so as to determine the authenticity of the ionized water, the matching device comprises a bottle cap main body, an integrated core rod, a collecting electrode, a suction tube, an LED assembly and a doubling interface, and is adaptive to conventional bottled drinks. An external power supply and a professional instrument are not needed, on-site instant detection of the ionized water is realized, multiple devices are connected in parallel to form a power supply group for emergency charging of small portable electronic equipment, multiple functions are integrated, the method is simple, the cost is low, the expansibility is high, and the method is suitable for large-scale market popularization.

The invention relates to a platinum folinate protein nanoparticle as well as a preparation method and application thereof. The platinum folinate protein nanoparticle consists of a complex and protein, wherein the complex is formed by platinum drug precursor ions (cyclohexanediamine platinum dihydrate ions and / or diamine platinum dihydrate ions) and folinate ions. The protein nanoparticle is prepared in an aqueous solution with the room temperature and the pH value of 7.5, the folinate platinum encapsulation efficiency is 70%-99%, the drug loading capacity is 3%-30%, the platinum utilization rate is 5%-30%, the protein nanoparticle has the pH response drug release characteristic, folinate and oxaliplatin or cis-platinum with anti-tumor activity can be released at the same time in a weak acid environment, and the drug curative effect and the body tolerance and safety can be remarkably improved. In addition, the protein nanoparticles and 5-fluorouracil can play a synergistic anti-tumor effect, and a better treatment effect is shown.

The invention discloses a titanium-cobalt bimetal organic framework material as well as a preparation method and photocatalytic application thereof. According to the material, a Ti4Co2 cluster formed by titanium and cobalt ions is taken as a center, 2-aminoterephthalic acid and 2-hydroxyterephthalic acid respectively form mixed organic ligands with 2, 4, 6-tri (4-pyridyl) 1, 3, 5-triazine, and the titanium-cobalt bimetal organic framework material is synthesized through a one-step solvothermal method. On the basis of a proton engineering strategy, separation and transmission of photo-generated charges are promoted by utilizing a synergistic effect of ligand functionalization, so that the activity of photocatalytic synthesis of hydrogen peroxide under the condition of no sacrificial agent is remarkably improved. The material is simple and convenient in preparation process and high in structural stability, and has huge application potential in the field of synthesis of green chemicals driven by solar energy.

A phosphorus-containing passivator, a perovskite solar cell, a photovoltaic module, a photovoltaic system, and an electric apparatus are provided. The phosphorus-containing passivator includes an ionic compound, the ionic compound includes a cationic group, and the cationic group has a structure represented by formula (I): A-L-B (I); where A represents an organophosphorus group with lone pair electrons, B represents a positively charged organophosphorus salt group, and L represents a linking group between the organophosphorus group and the organophosphorus salt group. The lone pair electrons of the organophosphorus group can form strong P—Pb coordination bonds with under-coordinated lead ions in the bulk phase and / or at the upper and lower interfaces of a perovskite light-absorbing layer, passivating low-coordinated lead ion defects; the organophosphorus salt group can form low-dimensional perovskite at the upper and lower interfaces of a perovskite layer, passivating the interfaces of the perovskite layer and suppressing ion migration.

This invention provides a method for preparing titanium-silicon powder from waste denitrification catalyst and the obtained titanium-silicon powder. The method includes: 1) pulverizing the waste denitrification catalyst under inert gas protection using airflow, followed by calcination in air atmosphere to obtain activated titanium-silicon powder; 2) soaking the activated titanium-silicon powder in a composite leaching system, wherein the composite leaching system includes a system providing H... + Acidic solutions with W 6+ V 5+ Acids that complex with ions and facilitate the formation of low-valence V 4+ V³ + The ion-dissolving co-solvent, after soaking, yields a titanium-silicon filter cake through solid-liquid separation; 3) After washing the titanium-silicon filter cake once, it is placed in a dilute acid solution containing a complexing agent for a complexation reaction, so that Fe³⁺… + Al³ + Ca² + Ions form stable complexes. After the reaction, the filter cake obtained by solid-liquid separation is washed a second time to obtain a purified filter cake. 4) The purified filter cake is vacuum dried, calcined and crushed to obtain titanium silicon powder with a total purity of TiO2+SiO2 ≥99%.

The present application relates to a kind of Ti-W-B coating and its preparation method and application, the Ti-W-B coating is nanostructured coating, the molecular structure expression of the Ti-W-B coating is Ti 1‑x W x B y Wherein, x=0.06-0.55, y=1.8-3.5;The preparation method includes: under inert atmosphere, using TiB2 Target material is magnetron sputtering to substrate, while using W target material is high-power pulse magnetron sputtering to substrate, is deposited on the surface of substrate and obtains Ti-W-B coating.The Ti-W-B coating and its preparation method provided by the present application can form TiB x / WB x Nano composite structure by introducing high ionization W ion, can improve the hardness, toughness and lubricity of coating, can be widely applied in metal surface treatment or metal processing.

Assembly for detecting corrosion or the possibility of corrosion of a metallic substrate. The invention relates to an assembly (1, 10) comprising: - a metallic substrate (2, 20), and - a corrosion detection coating (3, 30), comprising: • a first layer comprising colloidosomes (41, 43) comprising (i) a core (410) formed by a liquid medium (4100) comprising a metallic cation (4101), and an ion (4102) H+ or OH-, distinct from the metallic cation (4101), (ii) a first envelope (411), located around the core (410), formed by polymeric particles (4110), and (iii) a second envelope (412), located around the first envelope (411) and ensuring its cohesion, formed by a pH-sensitive gel that is configured to evaporate when exposed to a pH change associated with corrosion of the substrate (2, 20) so as to cause the release of the core contents (410), and • a second layer (5,50) covering at least part of the first layer (4, 40) and in contact with it (5, 50), the second layer (5, 50) comprising a ligand (51) configured to form, with the metal cation (4101), a complex (53) capable of producing a fluorescence signal under predetermined light irradiation. Figure for the abstract: Fig. 1,

The present invention provides a charge amount measuring ion sensor and an ion forming apparatus including the same, the charge amount measuring ion sensor including: a sensing portion configured on a migration path of ions generated from an ion source for generating ions other than electrostatic ions, to sense the ions generated from the ion source in real time; a controller for displaying the ions sensed by the sensing portion; a cable for connecting the controller and the sensing portion; and a power portion for delivering a power source to the controller.

The application relates to a polyanion sodium ion battery positive electrode composite material, and belongs to the technical field of sodium ion batteries. The chemical expression of the positive electrode composite material is sintered by compounding and sintering of specific design carbon-doped potassium pyrophosphate iron powder and a sodium pyrophosphate iron phosphate matrix. The carbon-doped potassium pyrophosphate iron is prepared by a vacuum calcination process by using a structure control agent synthesized by p-ethylphenylthiophenol and triallylamine, and the unique space symmetry structure can chelate iron and potassium ions at the molecular level, form a uniform precursor, and produce an ultra-microstructure wrapped by an edge brittle carbide after calcination. The composite material constructs a continuous three-dimensional electron conductive network and a long-range ion channel in the NFPP matrix, forms an ion conductivity transition zone at the phase interface, significantly improves the ion migration efficiency, and effectively solves the technical bottleneck of poor high-rate performance of the NFPP material.

The application discloses a molecular complex catalyst with low spin Ru, which is composed of a group after deprotonation of a ligand, an active component and a supporting base, the ligand is a compound with an oxime group (-C(=N-OH)-) and capable of forming a Ru-N4 structure with a Ru ion, the active component is a Ru ion, and the active component accounts for 4.8-12.1% of the mass of the catalyst. The catalyst has high electrode stability and selectivity in a chlorine evolution reaction.

This application discloses a method for forming a field-effect transistor (FET), a method for adjusting its electrical performance parameters, and a structure. The formation method includes: providing a semiconductor substrate and performing ion implantation on the semiconductor substrate to form an active region; forming a gate structure on the surface of the semiconductor substrate; implanting two or more types of ions on both sides of the gate structure to form a shallowly doped region; the two or more types of ions include fluoride ions; and annealing the semiconductor substrate. Furthermore, the formation method also includes: determining the fluoride ion implantation dose based on the adjustment amount of the FET's threshold voltage or on-state current. This application achieves the goal of adjusting the electrical performance of the FET using only a single ion implantation process by implanting fluoride ions into the shallowly doped region of the FET.