98 results about "Ion clusters" patented technology

The present invention includes a delivery means of material to be deposited onto thin film surfaces with precise spatial, temporal, compositional, and energy resolution for controlled reactions, patterning (2-dimensional and 3-dimensional), and removal of materials or reaction products of materials from thin film surfaces. The device includes a near atmospheric pressure means of generating ions, ion clusters, or charged particles as a material form to deliver said materials onto substrate surfaces. The device relies on shaped, patterned, conformal ion lenses, and individually addressable lens elements of a lens arrays to create an integrated deposition system for printed patterns of thin films. The devices and methods provide a novel approach to delivering materials to a surface, removing materials from a surface, or creating new materials at or on the surface. These methods and devices may be used in applications of thin film deposition, micro-electronics and semi-conductor manufacturing, printing, surface interfacial layers, coating, painting, sample and reagent treatment, preparation for sensors, chemical analysis, and fabricating 2- and 3-dimensional structures and devices.

An electrolyte membrane for a lithium battery, the electrolyte membrane including: a matrix including a polymerization product of a (meth)acrylate monomer composition; and a porous metal-organic framework dispersed in the matrix, wherein the metal-organic framework includes a crystalline compound including a metal ion or metal ion cluster which is chemically bound to an organic ligand, and a liquid electrolyte including a lithium salt and a nonaqueous organic solvent.

The invention discloses a nanogold solution and a method for detecting Co<2+> by using the same. The water soluble functional nanogold solution is prepared by using a gold salt as the resource of gold nanoparticles, a quaternary ammonium salt as a surfactant, ion clusters containing sulfur elements and carbon oxygen groups (O=C=O) as ligands, sodium borohydride, potassium borohydride or ascorbic acid as a reducing agent, and deionized water as a synthesis medium and by modifying the surface of the nanogold with the ion clusters containing sulfur elements and carbon oxygen groups (O=C=O) under the action of gold-sulfur bonds (Au-S). The nanogold solution has high speed, selectivity, sensitivity and practicality for detection of trace amount of Co<2+> in the water solution system, and therefore can be used in combination of a colorimetric process for detecting trace amount of Co<2+>; the detection concentration is lower than 8.5*10<-7>M; the detection threshold value may reach 5*10<-10>M; the detection speed is high, the selectivity is high, the cost is low, and the carrying is convenient; and the detection method has a bright application prospect in fields of environmental science, detection chemistry and analysis chemistry, and the like.

An object of the present invention is to provide a redox flow secondary battery being low in the electric resistance and excellent in the current efficiency as well, and further having the durability. The present invention relates to an electrolyte membrane for a redox flow secondary battery, the electrolyte membrane containing an ion-exchange resin composition containing a fluorine-based polyelectrolyte polymer, and having an ion cluster diameter of 1.00 to 2.95 nm as measured in water at 25° C. by a small angle X-ray method, and to a redox flow secondary battery using the electrolyte membrane.

The invention discloses a liquid-phase plasma rock blasting method suitable for blasting rocks and concrete structures. According to the method, strong discharging is implemented in strong sodium chloride or potassium chloride electrolyte solutions for stimulating generation of high-density liquid-phase plasmas; in the high-density liquid-phase plasmas, due to the mutual effect of the electrical property of ion clusters, intense vibration occurs in the sections where ions exist in an instant, high temperature and high pressure are generated in the plasma sections, clustering shock waves of the ions are formed and extend outwards, and therefore the energy of ion waves is spread to the surrounding rocks, natural defects such as joints and fractures in the rocks or the concrete structures are enlarged, new cracks and weakness planes are formed until the rocks or the concrete structures are damaged, and the purpose of blasting the rocks or the concrete structures through the plasmas is realized. Compared with traditional explosive blasting methods, the liquid-phase plasma rock blasting method has the remarkable advantages that dust is avoided, fume is avoided, poisonous and harmful gas is avoided, throwing is avoided, and the noise is low.

The invention discloses an ion mobility spectrometry employing an electrospray/corona discharge dual-mode ion source. Switching of two ionization modes is achieved; and the range of a detectable sample is expanded. An ion source is provided with a liquid-cooling component and a heating film component, which are used for rapidly setting the working temperature of a spray needle, so that different requirements of the two ionization modes on the temperature of the spray needle are met; the flow range of an injected sample is expanded; and the detection sensitivity is improved. A trumpet-shaped space is adopted by an electrospray/corona discharge region between the ion source and a drift tube, so that the atomization efficiency on the sample from low-temperature liquid to a gaseous state is improved; the desolvation effect of the sample is improved; and the sample residue is reduced. The drift tube is manufactured by a metal ceramic sealing technology, so that the connection strength is high; the insulativity and the air tightness are good; and installation together with other components is facilitated. The drift tube and a preheating gas circuit are arranged in a heating cylinder with uniform temperature as a whole, so that the phenomenon of migrating ion cluster diffusion caused by non-uniform temperature of blowback air in a migration area is reduced; and the detection resolution capability is improved.

A functional material includes a porous metal-organic framework (MOF) including an organic ligand derived from benzenedicarboxylic acid and a metal ion cluster coordination-bonded with the organic ligand, and a luminescent molecule in pores of the MOF.

The invention discloses an urban black and odorous water body treatment method. Firstly, black and odorous water is drained and then is filtered through a mechanical grille, output water of the mechanical grille is led to an ionization ion cluster treatment device for materialized strengthening treatment, then the sewage is led to a coagulative precipitation tank, a pH value is regulated to 7.0-8.0, then a coagulant is added for coagulating reaction, then the sewage is led to a rapid settling tank for sludge-water separation, landfill or incineration disposal is performed after sludge drying, then the output water of the rapid settling tank is led to an ion rod treatment system, materialized strengthening treatment is performed, the sewage is led to a microporous ozone aeration treatment tank for oxygen increase treatment, and output water of an ozone generator flows back to an urban river. The black and odorous water body is subjected to purification and oxygen increase by adopting an ionization ion cluster coagulation technology and a special-effect oxygen increase technology, a self-purifying function of the water body can be effectively recovered, the treatment speed is high, the efficiency is high, the cost is low, the occupied area of devices is small, no secondary pollution is caused, and flowing water supplementing is not needed.

The invention discloses a supertetrahedron metal organic framework constructed based on a window-space-directed assembly strategy as well as a preparation method and application thereof. The novel window-space-directed assembly strategy is provided, a series of building units based on hypertetrahedron are designed and synthesized to construct a metal organic framework material ST-sod-MOFs with ultra-microporous quadrilateral windows and mesoporous sod cages in an angle sharing mode, and the structural general formula of the metal organic framework material is [M3(OH/O)(H2O/F)(btc)2(tpt)2/3], wherein M is a metal ion or a combination of two dissimilar metal ions, and is a single metal ion of magnesium, manganese, iron, cobalt, nickel, zinc, aluminum, scandium, gallium, indium and the like or a binary combination of titanium, vanadium, scandium, gallium and indium with one of iron, cobalt, nickel and magnesium. The metal organic framework material is a three-dimensional sod type networkframework formed by trinuclear metal ion cluster nodes and organic ligands through coordination bonds. ST-sod-Co/Ti not only has good thermal stability and relatively high acid and alkali resistance stability, but also shows good performance in the aspect of C2H2/CO2 separation.

An hydrophile area surface modified methanol concentration proton exchange film and the preparation method, involves a proton exchange film fuel battery, provides methanol concentration proton exchange compound film and the preparation method using for the direct mellow fuel battery with the better methanol concentration and proton conducting capability and based on hydrophile area surface modified. It is nanometer inorganic organic compound film with the framework of polyperfluorocarboxylic acid, the quality content is 79%~97%; the chemistry compound surface in the ion cluster hydrophile area is with different nanometer silicon oxide with functionalization group, the quality content is 3%~21%. The method is: put the polyperfluorocarboxylic acid film into the H2O2, H2SO4 and water in turn when processing preparation, takes out and put into the methanol water-solution for hydration after drying, gets the ready polyperfluorocarboxylic acid film to be used; mixes the mixing solution by the silance resin acceptor and the organic solvent, immerges the ready polyperfluorocarboxylic acid film into the mixing solution, drying after dipping, gets the methanol concentration proton exchange compound film based on the hydrophile area surface modified.

The invention discloses an air purification device based on a positive and negative ion generator. The air purification device based on the positive and negative ion generator comprises a disk-shapedhorizontal base. The horizontal base is arranged in a supported manner through a number of support legs. A columnar vertical type purifier shell is integrally connected to the upper side of the outline of the horizontal base. The purifier shell comprises from top to bottom an upper segment shell, a middle segment shell and a lower segment shell in sequence. According to the air purification devicebased on the positive and negative ion generator, the structure is simple; a cylindrical multidirectional air input manner is adopted, and uniformity of air input of the air purification device is guaranteed; because of the high voltage effect, through plasma discharge, plasma discharge is conducted on oxygen molecules in the air, and thus oxygen negative ions are generated; and because water molecules have the characteristic of wrapping ions, ion clusters such as ion clusters formed by wrapping of hydrogen ions generated by a positive ion generating electrode and oxygen negative ions generated by a negative ion generating electrode by water molecules survive for a longer time than ordinary ions.

The present invention is an air cleaner that uses molecular sieves, such as zeolite or other microporous/nanoporous crystalline materials with pore sizes ranging from 4 Å to 20 Å, as a filter to remove contaminant gas. The contaminants are adsorbed into the porous material along with ions clusters, or any other oxidant generated by a generating device within the system. The contaminant gas is then catalytically decomposed in the confined space of the pore. In one embodiment, transition metal is incorporated into the porous material, and a heater is installed to substitute or accompany the oxidant-generating device. When the heater is turned on, the contaminant is decomposed within the pores of the materials with the transition metals acting as catalysts. Ultimately, the non-harmful byproducts are the small sized water molecutes and carbon dioxide molecules. Growth of bacteria is also suppressed under a clean and dry condition.

The invention provides an arylene ether nitrile proton exchange membrane including a side chain with a flexible sulfonic acid ion cluster structure and a preparation method thereof. The preparation method comprises the steps that firstly, copolycondensation is conducted on an active difluoronitrile monomer, a diamino bisphenol monomer and biphenol to prepare a poly arylene ether nitrile polymer with an amino structure, further butane sultone serves as a sulfonating reagent and sodium hydride serves as a catalyst, sulfonation is performed under relatively mild reaction conditions, and then the arylene ether nitrile proton exchange membrane including the side chain with the flexible sulfonic acid ion cluster structure can be obtained through film coating and acidification displacement. The arylene ether nitrile proton exchange membrane including the side chain with the flexible sulfonic acid ion cluster structure is simple in preparation process and has excellent film-forming properties, and a prepared thin polymer film has good ionic conductivity, dimensional stability and chemical oxidation resistance stability and can be used for fuel cells.

A method for preparing an alkaline anion exchange membrane based on a branched oxygen-free main chain belongs to the field of battery membrane materials. The method comprises: firstly, dissolving 1,3,5-triphenylbenzene, N-methylpiperidone, biphenyl and trifluoroacetone in a solvent, adding an catalyst under an ice bath condition, and obtaining a polymer main chain having a branching degree of 1 to5 after a reaction; secondly, dissolving and reacting N-methylpiperidine and 1,6-dibromohexane in ethyl acetate, and then processing an obtained product ionization reagent; finally, performing the ionization of the polymer membrane main chain, casting membrane, and alkali treatment to obtain an anion exchange membrane. The method reduces the risk that hydroxide attacks the membrane by using the oxygen-free main chain, thereby enhancing the alkali resistance of the anion exchange membrane. The branched structure provides a certain free volume to help build ion transmission channels, and the ion reagent can promote the formation of ion clusters as well as the separation of hydrophilic and hydrophobic microphases, thereby significantly improving the conductivity of the membrane.

A water ion integrated tank comprises a water tank and a sewer provided with a discharge channel, the inner bottom of the water tank or the sewer is provided with a sterilizing cavity, the top of the sterilizing cavity is provided with an open port which is communicated with the water tank, an electrode device for water electrolysis is disposed inside the sterilizing cavity and is electrically connected with a positive and negative power source. The electrode device generates an oxidizing water ion cluster for sterilization by electrolyzing water in the water tank, the water ion cluster never affects human body health but assists in removing dirt, the electrode device is small in size, attractiveness of the water tank is unaffected, no excess space is used, and the electrode device is highly universal and is applicable to various water tanks for sale.

The invention relates to a pulse field enrichment ion migration tube. The pulse field enrichment ion migration tube is characterized in that high-voltage pulse, which is synchronized to ion gate open pulse, is applied to a pulse electrode set between an ion source and an ion gate, the movement speed of ions is greatly improved during a period of opening the ion gate, and more ions are enabled to pass the ion gate; and meanwhile, spatial focusing is carried out on an ion cluster passed the ion gate by using the difference, which is caused by the high-voltage pulse, in electric field intensity at two sides of the ion gate, and the original resolution of the iron migration tube is maintained.

A device for ionizing sample particles of a sample gas flow comprises a first flow tube for providing the sample gas flow, and an introducing means for providing H₂SO₄ molecules to an interaction region. In addition the device comprises a generator for producing reagent primary ions from particles of candidate reagent gas flow essentially in a primary ion production region. The device is configured to introduce said reagent primary ions with H₂SO₄ molecules in said interaction region in order to arrange interaction between the reagent primary ions and the H₂SO₄ molecules, thereby producing HSO₄⁻ ions and again to produce HSO4⁻ ion clusters comprising HSO₄⁻ ions and at least two H₂SO₄ molecules via interactions of HSO₄⁻ with other H₂SO₄ molecules in said interaction region. Furthermore the device is configured to introduce said HSO₄⁻ ion clusters with the sample particles of the sample gas flow in order to provide reactions between said HSO₄⁻ ion clusters and the sample particles, and thereby provide a sample cluster comprising the HSO₄⁻ ion clusters and said base sample to be determined.

The invention discloses a dual ion source slow electron velocity imaging device. The device comprises a laser evaporation ion source, an electrospray ion source, an analysis chamber, a time-of-flightmass spectrometry system and a slow electron velocity imaging system, wherein the laser evaporation ion source and the electrospray ion source are respectively arranged on two sides of the analysis chamber, the time-of-flight mass spectrometry system and the slow electron velocity imaging system are both arranged in the analysis chamber, and a matched camera is arranged outside the analysis chamber. The design of the double ion sources widens the research system of a single device and the generation channel of the target anion cluster; the device has the capability of detecting single-charge and multi-charge anion clusters generated by solid-phase and liquid-phase samples, and compared with two instruments with single ion sources, the integration of the double ion sources has the advantages that accessories such as a vacuum cavity, a molecular pump and a detector are saved, the expenditure is saved, and meanwhile, the operation steps of the instrument are simplified.

The present invention relates to a visible light intercalation photocatalysis material and its preparation method. The described photocatalysis material is formed from perovskite oxide with lamellar structure, nano-grade metal oxide or ion-cluster as intercalation material and dyestuff, in which the mass ratio of dyestuff, nano-grade metal oxide or ion-cluster and perovskite oxide is (0.05-2.0);(0.2-10):100. The described photocatalysis material is obtained by adopting the following steps: firstly, making the nano-grade metal oxide or ion-cluster be inserted into the perovskite oxide with lamellar structure, then utilizing dye to make modification.

The invention relates to a thiol ester acid and a preparation method and application thereof. The thiol ester acid with the molecular formula of HOOC-R1-COO-R2-SH is prepared by full esterification reaction of a dicarboxylic acid and thiol in the presence of a catalyst under oxygen-free environment, the thiol ester acid and light magnesium oxide as synergic crosslinking agents and a plasticizer and a lead-free stabilizer are together used for the preparation of composite slurry, and the composite slurry is used for the preparation of thermally reversible ionic crosslinking polyvinyl chloride. In the use of the composite slurry prepared by the preparation method, the synergic crosslinking agents formed by the thiol ester acid and the light magnesium oxide bonds thiol group onto the side group of a PVC (polyvinyl chloride) molecular chain by chlorine atom replacement, and a carboxylic acid and alkaline earth metal ion cluster is formed, the mechanical properties of PVC can be improved, the thermoplasticity can be maintained, coloring and degradation in the PVC plasticization process can be inhibited, and preparation of thermally reversible ionic crosslinking PVC in the plasticization and processing molding and cooling shaping process can be realized.

The invention belongs to an ion optical technology, and particularly relates to a synchronous pulse-based ion transmission method and a flight time mass spectrometer. On the basis of accurate ball passing idea, the factor that ions in a region are led out and accelerated by a pulse leading-out field to form a moving ion cluster is creatively proposed, appropriate time is selected and a second pulse electric field is applied when ion crowd passes through the second pulse electric field region, the problems of focusing and detection of background ion pairs during pulse leading-out are solved, the synchronous pulse-based ion transmission method and the flight time mass spectrometer can be applied to a scientific instrument relevant to ion motion, and a remarkable effect of improving ion utilization efficiency is achieved.