46 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.

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.

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 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.

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 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 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 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.

The invention provides a modified dolomite solid base catalyst for biodiesel as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) drying dolomite, then heating and calcining the dolomite; 2) soaking the dolomite powder calcined in the step 1) into a manganous nitrate solution, stirring the mixture and drying for later use; and 3) crushing the white solid obtained in the step 2), heating and calcining the solid again, and cooling to obtain the product. According to the catalyst, dolomite is modified by adding a small amount of manganese element so that low-coordination oxygen ions and metal oxygen electron pairs existing on the surface of the catalyst are easier to obtain and lose electrons; hydroxyl in reactant methanol is subjected to proton transfer to generate more methoxy anions, so that the catalyst has strong basicity for catalyzing smooth ester exchange reaction, the ester exchange efficiency is greatly improved, andtherefore, the catalyst has good industrial application prospect and practical application value.

The present invention relates to a catalyst composition including an oxonium ion-based catalyst represented by the following Formula 1, and an additive, and a method for preparing polyisobutene using the same: