50 results about "Oxonium ion" patented technology

The invention discloses a special dry powder type ecologic shell powder interior wall coating for children's rooms. The special environmentally-friendly bacteriostasis and sterilization interior wall coating having very effective bacteriostasis and sterilization functions is obtained by using natural shell powder as a basic material, and adding nanometer titanium dioxide, nanometer tourmalinite powder and a talcum powder filler. The above powder is mixed with 80-90% of water, 5-10% of polyvinyl alcohol, 0.2-5% of cellulose and 1-10% of composite glue prepared by heating and fusing modified starch to obtain the ecologic environmentally-friendly coating having air purification, bacteriostasis and sterilization effects. The coating can release oxonium ions for a long term, can adsorb and decompose toxic and harmful gases in air, and is simple to prepare and construct, and only the uniform mixing of the coating disclosed in the invention with the glue and a pigment is needed during construction.

The invention discloses a method for preparing a silicon-carbon composite material through molten salt electrolysis. The method comprises the following steps: introducing CO2 gas in a CaCl2-CaSiO3-CaOmolten salt electrolysis process; dissolving CaSiO3 in molten salt to obtain silicate ions, and reducing the silicate ions at the cathode of an electrolytic tank to obtain a nano silicon material; capturing CO2 by utilizing oxygen ions in CaCl2-based molten salt, immobilizing the CO2 into carbonate ions, enabling the carbonate ions to reach a cathode through diffusion in the molten salt, and reducing the carbonate ions into a nano-carbon material on the cathode, thereby obtaining the silicon-carbon composite material on the cathode. The prepared silicon-carbon composite material utilizes thegood structural stability, flexibility and lubricity of the carbon material, so the silicon carbon composite material has the advantages of high specific capacity of silicon storage, high conductivityof a carbon material and the like, thereby solving the problems that the volume of silicon can be changed slightly in the silicon embedding process of lithium ions and the silicon is expanded and pulverized when lithium is embedded into silicon. Moreover, the obtained silicon carbon composite material has the advantages of high specific capacity of silicon storage, high conductivity of the carbonmaterial and the like and achieves the purpose of complementary advantages.

The invention discloses an automobile exhaust cleaner, which is composed of the following raw materials of: by weight, 30-55% of methanol, 25-45% of solvent naphtha No.280, 8-23% of C12-C18 alkyl diethanol amide, 10-19% of ethanol, and 1-4% of acetone. The above components are mixed at normal temperature and stirred to prepare the automobile exhaust cleaner. When in use, 120ml of a cleaner is added into a fuel tank and 450ml of the automobile exhaust cleanser (vehicle treasure) is absorbed into an engine combustion chamber from an engine rubber air inlet vacuum tube through equipment. The special solvent naphtha No.280 is mainly used to clean greasy filth and carbon deposit in an air intake duct and the combustion chamber. The function of methanol and ethanol is mainly to generate oxonium ions when combusting in the engine combustion chamber. The oxonium ions are bound with alkyl radical generated after combustion of acetone and C12-C18 alkyl diethanol amide, thus more effectively removing surface covering of a three-way catalytic converter, fully cleaning oil-way, air-intake and exhaust systems, greatly reducing tail gas discharge and lifting powder.

Disclosed are a silver-based inorganic antibacterial agent which has high heat resistance, high chemical resistance, good processability and long-lasting waterproofness. Specifically, provided is a silver-based inorganic antibacterial agent, which contains zirconium pyrophosphate (ZrP2O7), represented by formula [1]: AgaMbZrcHfd(PO4)3 .nH2O. In formula [1], M represents at least one kind of ion selected from among an alkali metal ion, ammonium ion, hydrogen ion and oxonium ion; a, b, c and d represent each a positive number satisfying the requirements 1.75<(c+d)<2.2 and a+b+4(c+d)=9; and n is a number less than or equal to 2.

The invention discloses a composite cathode material for medium and low-temperature proton-conductive solid oxide fuel cells, and belongs to the field of fuel cells. The composite cathode material is characterized in that BaCo<0.7>Fe<0.22>Nb<0.08>O<3-delta> with high oxygen ionic conductivity and high electronic conductivity and BaZr<0.1>Ce<0.7>Y<0.1>Yb<0.1>O<3-delta> with high proton conductivity are composited with each other to manufacture the novel cathode material, a chemical formula of the novel cathode material is BaCo<0.7>Fe<0.22>Nb<0.08>O<3-delta>-BaZr<0.1>Ce<0.7>Y<0.1>Yb<0.1>O<3-delta>, and a ratio of the phase BaCo<0.7>Fe<0.22>Nb<0.08>O<3-delta> to the phase BaZr<0.1>Ce<0.7>Y<0.1>Yb<0.1>O<3-delta> is changeable. The composite cathode material can be used for the medium and low-temperature proton-conductive solid oxide fuel cells. The composite cathode material has the advantages that after the BaCo<0.7>Fe<0.22>Nb<0.08>O<3-delta> and the BaZr<0.1>Ce<0.7>Y<0.1>Yb<0.1>O<3-delta> are composited, the cathode material has oxygen ionic conductivity, proton conductivity and electronic conductivity, a three-phase interface is expanded, the composite cathode material is excellent in electrode performance, the two phases of the composite cathode material are excellent in chemical compatibility and stable in performance, the cathode material is good in electro-catalysis performance owing to the presence of Co in the phase BaCo<0.7>Fe<0.22>Nb<0.08>O<3-delta>, interface resistance of each cell can be reduced, and the working performance of each cell can be improved.

The invention provides a fluorescent probe of reversible sulfur dioxide / sulphurous acid (hydrogen) salt, with the chemical name of 7-diethylin-2-(9-ethyl-9H-carbazole-3) benzo iso-pyran oxonium ion. The fluorescent probe can detect sulfur dioxide / sulphurous acid (hydrogen) salt in a solution, cells, tissues or a living body, wherein the living body includes fish, mice, rat, guinea pig and rabbit;and reversibility is realized by formaldehyde. The fluorescent probe is simple in synthesis steps, easily available in material, high in yield and suitable for industrial application.

The present invention provides methods for fabricating a fuel cell membrane structure that can dramatically reduce fuel crossover, thereby improving fuel cell efficiency and power output. Preferred composite membrane structures include an inorganic layer situated between the anode layer and the proton-exchange membrane. The inorganic layer can conduct protons in unhydrated form, rather than as hydronium ions, which reduces fuel crossover. Some methods of this invention include certain coating steps to effectively deposit an inorganic layer on an organic proton-exchange membrane.

The invention belongs to the technical field of daily life, and particularly relates to a drinking water filter material, a producing process of the filter material, and a corresponding water filter device. The water filter material is formed by powder of a sintering filter component and powder of pottery clay, wherein the filter component at least comprises a substance with positive and negative radicals in water. With the adoption of the technical scheme, PH of purified water can be adjusted to be alkalescent; the water filter material has bacteriostasis and sterilization functions, can release macroelements such as potassium, sodium, calcium, magnesium and phosphorus as well as microelements such as zinc, iron, selenium, copper, strontium, iodine, fluorine and metasilicic acid that are helpful for human bodies, can generate hydroxyl ions and hydronium ions, and can improve the immunity of the human bodies to harmful substances and natural healing ability of the human bodies; and generated anions can be used for reducing water molecular groups, thereby being convenient for the human bodies to absorb water molecules and the microelements.

An electrochemical cell is disclosed in one embodiment of the invention as including an oxygen electrode and a solid oxide electrolyte coupled to the oxygen electrode to transport oxygen ions. A hydrogen electrode is coupled to the solid oxide electrolyte and contains nickel combined with a material tending to reduce the reactivity of the nickel with the solid oxide electrolyte. In selected embodiments, the solid oxide electrolyte is lanthanum gallate. Similarly, the material combined with the nickel may be an oxide such as magnesium oxide.

The invention discloses an YSZ (yttria-stabilized-zirconia)-based HCs gas sensitive sensor based on a NiO sensitive electrode and a preparation method of the YSZ (yttria-stabilized-zirconia)-based HCs gas sensitive sensor. YSZ solid electrolyte is prepared by adopting a tape casting technology, the NiO sensitive electrode and a Pt reference electrode are formed in a printing manner by adopting a thick-film screen printing technology, and an electrode lead is led out. A YSZ solid oxygen ion conductor material is used as the solid electrolyte of the HCs sensor, the flower-shaped nano-topography NiO is used as the sensitive electrode, no liquid phase component is used, the safety is high, the sensitivity is high, the selectivity is good, and the safety is good; moreover, the sensor is simple in structure, small in size and simple in preparation process. When the HCs sensor works, no external working voltage is needed, and the detection range of the HCs concentration is 0 to 500ppm.

The invention provides a preparation method for a nanometer cathode of a solid oxide fuel cell. According to the invention, the nanometer cathode is composed of nanometer oxide and oxygen ionic conductivity material powder, with the former occupying about 10-100 percent of the total mass of the cathode and the latter occupying the rest percent. The method comprises the following steps: first, preparing the nanometer oxide and the oxygen ionic conductivity material powder, mixing and grinding the former two according to different ratios so as to form electrode slurry; forwards, coating the electrode slurry on an electrolyte, roasting under the temperature of 700-1400 DEG C for 0.5-10 h so as to prepare the micron cathode; and finally, disbanding the micron cathode, recoating the electrode slurry, and roasting under the temperature of 600-1200 DEG C for 0.5-10 h, so as to obtain the nanometer cathode required by the invention. The nanometer cathode has lower polarization resistance in a low-temperature area and better catalytic activity to oxygen reduction reaction.

The invention relates to a method for preparing multilayer compound nano oxygen ion conductor electrolyte film material, adopting rapid heat treatment sol-gel methd to prepare a multilayer film A / (B / A)n (A and B stand for YSZ or RCO, n>=1), where the preparing process for each film layer: sole precursor preparing, spin-spreading coating, rapid heat treatment, and film forming, in which, YSZ film preparation adopts ZrOCl2. 8H2O and Y(NO3)3.6H2O, uses ammonia as precipitator, uses thin hydrochloric acid to regulate pH value of solution, and uses glycol as metal chelating agent and the YSZ film is 10-400 nm thick; RCO film preparation adopts Ce(NO3)3.6H2O and R2O3, uses oxalic acid as precipitator and citric acid as metal chelating agent, and the RCO film is 10-400 nm thick. Circulating the above steps can prepare uniformly thick, compact, high-quality multilayer compound nano electrolyte film, shortening film making cycle, raising the efficiency, and reducing the cost.

The invention proposes a doped YZr<0.1>Ba<2>Cu<3>O<6+Delta> perovskite electrolyte film for preparing a fuel cell by employing hydrogen. The doped YZr<0.1>Ba<2>Cu<3>O<6+Delta> perovskite electrolyte film is characterized by being prepared according to the steps of preparing an aqueous solution from a yttrium source, a barium source, a copper source and a zirconium source according to a mole ratioof yttrium, barium, copper and zirconium being 1:2:3:0.1, adding citric acid and EDTA as a complexing agent, adjusting PH to 7.5-8, performing ultrasonic oscillation for 2 hours and then allowing to stand for 6 hours; filtering and drying the complexing agent to generate gel after full complexing, and performing high-temperature sintering on the gel; and performing isostatic compaction to obtain an electrolyte film material after the powder material is washed with ethyl alcohol and ultrasound. The critic acid is used as a crystal inducer, the doped Zr<4+> preferably enters a crystal boundary,a large amount of oxygen vacancies are formed, meanwhile, heterogeneous nucleation under a low temperature can be prevented, so that the oxygen ion transmittance is improved, the problem of poor oxygen ion transmittance of a traditional perovskite material under middle and low temperatures is solved, and the doped perovskite electrolyte film is applicable to a condition with wider working temperature zone.

The invention provides a graphene aerogel modified fuel cell proton exchange membrane and a preparation method thereof. Dispersing graphite oxide uniformly in a mixed solution of ethanol and water, adding ethylenediamine to react to obtain graphene hydrogel, drying under freezing condition to obtain granular graphene aerogel, then dispersing in ethanol solution and coating on the surface layer ofsubstrate, then coating ethanol solution of perfluorosulfonic acid, drying and vacuum heat treating; The modified fuel cell proton exchange membrane is obtained by stripping and removing the substrate. As that graphene aerogel and the perfluorosulfonic acid resin are compound to form a sandwich structure, the swelling of the perfluorosulfonic acid membrane lay due to water absorption can be effectively restrained, the mechanical strength and stability of the membrane material can be improved, the conduction of moisture and the migration of hydrogen ion and protons of hydrate can be effectivelypromoted, and the electric conductivity of the membrane material can be improved.

Disclosed is a silver-based inorganic antimicrobial agent which exhibits superior heat resistance, chemical resistance, processability and long-lasting waterproofness.The present invention was completed based on the finding that the problems can be solved by a silver-based inorganic antimicrobial agent represented by the following Formula (1) containing zirconium pyrophosphate (ZrP2O7).AgaMbZrcHfd(PO4)3.nH2O  (1)(In Formula (1), M is at least one ion selected from an alkali metal ion, an ammonium ion, a hydrogen ion and an oxonium ion, a, b, c and d are positive numbers satisfying 1.75<(c+d)<2.2 and a+b+4(c+d)=9, and n is 2 or less).

The invention provides a synthesis method of a nucleoside compound and an intermediate of the nucleoside compound. According to the method, a protection group is introduced to guanine position-6 ketone carbonyl, then only the position-9 N atom of the prepared guanine derivative attacks annular oxonium ions of ribose, and guanine locked nucleoside is synthesized after reactions such as nucleoside locking and deprotection, so that side reaction products can be reduced, and the yield of a final product can be increased.

The invention provides an asymmetric bismuth catalysis system, a preparation method and an application thereof, relates to the technical field of asymmetric catalysis and provides an asymmetric bismuth catalysis system. By adoption of the asymmetric bismuth catalysis system, the problem of high Substrate specificity of the bismuth catalysis system is solved. The asymmetric bismuth catalysis systemcomprises a metal activity center and a chiral ligand, wherein the metal activity center is selected from one or more of bismuth acetate, bismuth hydroxide, bismuth bromide or bismuth iodide; the chiral ligand is selected from chiral phosphoric acid. The asymmetric bismuth catalysis system is used for catalyzing multiple types of asymmetric transformations such as asymmetric allylation of ketoneand imine, asymmetric allylation of oxonium ions and asymmetric reaction of imine and phenolic substrates and the like.

The invention relates to a metal-doped calcium zirconate material, and a preparation method and a use thereof. The metal-doped calcium zirconate material comprises calcium carbonate powder, zirconia powder and iron oxide powder, and a ratio of the total mole of the zirconia powder and the iron oxide powder to the mole of the calcium carbonate powder is 1:1; and the iron oxide powder accounts for 0.05-0.15 of the total mole of the zirconia powder and the iron oxide powder. The iron-doped calcium zirconate material has the advantages of oxonium ion conductivity, electron conductivity, low price,excellent mechanical performances and excellent stability. The preparation method of the iron-doped calcium zirconate material has the advantages of simple process and low cost; and the prepared iron-doped calcium zirconate material has the advantages of extremely few pores, greatly increased compactness and greatly improved mechanical performances. The iron-doped calcium zirconate material can be used in compact diffusion barrier layers in oxygen sensors, cathodes of solid oxide fuel cells, or oxygen separation films.

The invention provides a silver-containing inorganic antibacterial agent with excellent transparency. The silver-containing inorganic antibacterial agent with excellent transparency is a silver-containing inorganic antibacterial agent which contains magnesium pyrophosphate and is represented by a formula AgaMbMgcRd(PO4)2.NH2O, wherein M is at least one selected from alkali metal ions, ammonium ions, hydrogen ions and oxonium ions, R is a metal ion having a valence of 2, a, b, c, d and n are 3 or less, a and c are positive numbers, 2.5 < (c + d) < 3 and a + b + 2(c + d) = 6. The silver-containing inorganic antibacterial agent disclosed by the invention has the characteristics of excellent heat resistance, discoloration resistance, washing resistance and processability when being applied tohigh polymer materials, and particularly can be applied to transparent products.

The invention provides an n-type nano-diamond film and a preparation method. The preparation method comprises the following steps: injecting donor impurity ions into a nano-diamond film by adopting an ion injection method; and performing vacuum annealing on the film to obtain the n-type nano-diamond film. The method uses the ion injection method to finish the step of doping, so that the phosphonium ions or oxonium ions of which the injected dose is 1,014 to 1,016 cm-2 are doped to nano-diamond crystal grains and crystal boundaries, and the defect that impurities are centralized in the crystalboundaries but cannot enter diamond crystal grains in the processes of chemical vapor deposition and doping is avoided; and after the vacuum annealing at the temperature of between 700 and 1,000 DEG C, the n-type diamond film which has lower resistivity and higher Hall mobility is obtained. Therefore, the n-type nano-diamond film has very important scientific significance and engineering value for the application of the film in the field of semiconductor devices, field emission displays, electrochemistry and the like.

The invention provides a method for synthesizing a block HTPE copolymer. Polytetrahydrofuran and polyol are adopted as raw materials, the main chain of polytetrahydrofuran cracks at 90-150DEG C to obtain tetrahydrofuran monomers, and a coupling reaction of obtained tertiary oxonium ions and terminal hydroxyl groups of polyol is rapidly carried out to obtain the block HTPE copolymer. Compared with the prior art, the method provided by the invention allows the structure and performances of the block HTPE copolymer synthesized through a copolymerization technology to be controlled through experiment designs, and the main chain structure and the molecular weight distribution of a target polymer to be controlled and changed in advance, enables the polytetrahydrofuran and polyethylene glycol block copolymer having a number-average molecular weight of about 3000 to be synthesized under the protection of a nitrogen flow through a simple synthetic reaction apparatus without pressure reduction, and has the advantages of simplicity of the required synthetic apparatus, simple and easily implemented post-treatment method, and easy realization of the engineered amplification of the synthetic technology.

The invention relates to a tetrahydrofuran-glycidol random hyperbranched copolyether and a preparation method of the tetrahydrofuran-glycidol random hyperbranched copolyether. The preparation method comprises the steps of selecting tetrahydrofuran as the linear monomer, and carrying out cationic ring opening polymerization to glycidol and tetrahydrofuran, so as to obtain the random hyperbranched copolyether, wherein ternary cyclic ether in the glycidol structure is to form ternary cyclic oxonium ion first in the chain initiation process during polymerizing; the highly-active ternary cyclic oxonium ion can synchronously initiate ring opening polymerization between the tetrahydrofuran and the glycidol, so as to achieve random copolymerization; once the ternary cycle of the glycidol is opened and enters the molecular chain, the contained alcoholic hydroxyl group is subjected to chain transfer reaction to generate new active points which initiate the lengthening of the chain, so that novel random hyperbranched copolyether is prepared. The preparation method provided by the invention is simple, convenient and easy to implement; the raw materials are easy to obtain; and initiating agents are available.

Disclosed are: an antibacterial processing agent which is capable of releasing silver ions at a just enough concentration in clean water such as drinking water or circulating water, thereby making the water antibacterial, and which is capable of maintaining the silver releasing ability for a long period of time; and a water treatment method using the antibacterial processing agent. Specifically disclosed is an antibacterial processing agent for a water treatment, which is characterized by being composed of a resin composition that contains a resin having a standard water content of 1-10% by weight and 1-30% by weight of a silver-substituted zirconium phosphate that is represented by formula (1) as an antibacterial agent. AgaMbZrcHfd(PO4)3nH2O (1) In formula (1), M represents at least one kind of ion selected from the group consisting of an alkali metal ion, an alkaline earth metal ion, an ammonium ion, a hydrogen ion or an oxonium ion; a, b and c each independently represents a positive number; d represents 0 or a positive number; and n represents 0 or a positive number of 2 or less.

The invention relates to a self-coupling oxygen ion fast bleaching untwining pulping method. The main technical characteristics includes: conveying plant fiber subjected to crushing, separating, screening and impurity removal into a fiber high efficiency untwining screening machine, then injecting hydrogen peroxide (4-6%, the ratio to an absolute dry raw material) and steam, making the temperature inside the machine reach 80-90DEG C, mixing the hydrogen peroxide and fiber evenly through rapid rotation of a stirrer in the machine, under ultraviolet excitation, making the hydrogen peroxide rapidly decompose into nucleophilic active oxygen ions (02-) to react with fiber lignin chromophoric groups, and changing chromophoric groups into colorless groups in 3-5min, making the fiber pulp whiteness become 75-85%ISO, further carrying out softening and untwining for 30min, and conducting screening to make the qualified pulp enter the next process.

The invention provides a humidity micro power generation device based on dust-free paper and ink and a preparation method and application thereof. The dust-free paper soaked in the ink and dried is placed in the air; moisture is absorbed from the environment by coating the dust-free paper with the LiCl solution, the moisture interacts with oxygen-containing functional groups in the ink to generatehydrated hydrogen ions, and the hydrated hydrogen ions are transmitted from one end to the other end along microporous channels in the paper to generate voltage and current, so that power is suppliedto electronic devices. The paper-based micro power generation device prepared can generate 0.35 V voltage under the environmental conditions of 50% relative humidity and 20 DEG C, can stably output the voltage for more than 100 hours, and has a remarkable effect.

Provided is a coated nickel hydroxide powder in which dispersibility when converted into a paste is improved and agglomeration suppressed, and which can be filled at a high density into a three-dimensional porous metal body during production of positive electrodes for use in alkali secondary batteries. This coated nickel hydroxide powder comprises nickel hydroxide particles coated on the surface with a coating layer of a cobalt compound, and the total elution of ions excluding oxonium ions, hydroxide ions and carbonate ions of a suspension comprising 10ml of water added to 10g of the coated nickel hydroxide powder is 6.5mmol / l or less. To this end, the coated nickel hydroxide powder obtained through a crystallization step, a coating step and a washing step is dried in a drying step in a decarboxylated atmosphere with a carbon-containing gas partial pressure of 15Pa or less.