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66results about How to "Improve ion transmission efficiency" patented technology
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Filtered cathodic-arc plasma source
InactiveUS20070187229A1Reduction in kinetic ion energyImprove ion transmission efficiencyCellsElectric discharge tubesPlasma currentMagnetic flux
A filtered cathodic-arc plasma source of lower plasma losses and higher output plasma current to input current efficiency is disclosed. Plasma filtering is accomplished in a right angle bend magnetic filter arranged to include the effects of at least three added magnetic coils located at the right angle bend of the filter path. These magnetic coils and other filter attributes, including an array of transverse fins and a magnetic cusp trap in the filter path, achieve desirable magnetic flux paths, lower plasma collision losses and reduced undesired particle output from the plasma filter. Multiple cathode sources, multiple plasma output ports, Larmour radius influence, equipotential magnetic flux lines and electron / ion interaction considerations are also included in the plasma source. Application of the plasma source to film coating processes is included.
Owner:THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE
Method of ion abundance augmentation in a mass spectrometer
ActiveUS20090166528A1Increase separationImprove efficiencyStability-of-path spectrometersIsotope separationNatural abundanceChemistry
A method of improving the detection limits of a mass spectrometer by: generating sample ions from an ion source; storing the sample ions in a first ion storage device; ejecting the stored ions into an ion selection device; selecting and ejecting ions of a chosen mass to charge ratio out of the ion selection device; storing the ions ejected from the ion selection device in a second ion storage device without passing them back through the ion selection device; repeating the preceding steps so as to augment the ions of the said chosen mass to charge ratio stored in the second ion storage device; and transferring the augmented ions of the said chosen mass to charge ratio back to the first ion storage device for subsequent analysis.
Owner:THERMO FISHER SCI BREMEN
Ion transmission system for inductively coupled plasma mass spectrometry
InactiveCN103681204AEasy transferImprove transmission efficiencyElectron/ion optical arrangementsMass analyzerInductively coupled plasma
The invention belongs to the technical field of mass spectrographies, and relates to an ion transmission system for an inductively coupled plasma mass spectrometry. The ion transmission system comprises an ion sampling cone, an interception cone, an extraction lens, an ion deflecting electrode and ion focusing lenses, wherein the centers of all the parts are on coaxial horizontal lines; space electric field distribution is generated under a DC voltage; ions deflect, focus and are transmitted under the action of the electric field; photons and neutral particles in a sample are free from the action of the electric field, transmitted linearly, and blocked while meeting the ion deflecting electrode; electrified ions are guided by the electric field, bypass the ion deflecting electrode, and focus into an ion beam under the action of the electric field of the focusing lenses, and then are transmitted to a mass analyzer. The ion transmission system has the advantages that the structure is simple; the use is convenient; interference signals generated due to the entering of the photons and the neutral particles can be removed effectively; the ion transmission efficiency and the sensitivity of the inductively coupled plasma mass spectrometry are improved.
Owner:FUDAN UNIV
Mass spectrometer with ion storage device
ActiveUS20090272895A1Improve ion transmission efficiencyIncrease rangeStability-of-path spectrometersIsotope separationPhysical chemistryMass Spectrometry-Mass Spectrometry
A method of mass spectrometry having steps of, in a first cycle: storing sample ions in a first ion storage device, the first ion storage device having an exit aperture and a spatially separate ion transport aperture; ejecting the stored ions out of the exit aperture; transporting the ejected ions into an ion selection device which is spatially separated from the said first ion storage device; carrying out ion selection within the spatially separated ion selection device; returning at least some of the ions ejected from the first ion storage device, or their derivatives, back from the spatially separate ion selection device to the first ion storage device, following the step of ion selection; receiving the said returned ions through the ion transport aperture of the first ion storage device; and storing the received ions in the first ion storage device.
Owner:THERMO FISHER SCI BREMEN
Filtered cathodic-arc plasma source
InactiveUS7381311B2Improve ion transmission efficiencyQuality improvementCellsElectric discharge tubesPlasma currentMagnetic flux
A filtered cathodic-arc plasma source of lower plasma losses and higher output plasma current to input current efficiency is disclosed. Plasma filtering is accomplished in a right angle bend magnetic filter arranged to include the effects of at least three added magnetic coils located at the right angle bend of the filter path. These magnetic coils and other filter attributes, including an array of transverse fins and a magnetic cusp trap in the filter path, achieve desirable magnetic flux paths, lower plasma collision losses and reduced undesired particle output from the plasma filter. Multiple cathode sources, multiple plasma output ports, Larmour radius influence, equipotential magnetic flux lines and electron / ion interaction considerations are also included in the plasma source. Application of the plasma source to film coating processes is included.
Owner:THE UNITED STATES OF AMERICA AS REPRESETNED BY THE SEC OF THE AIR FORCE
Method of preparing g-C3N4/silicon carbon cathode material of lithium ion battery by electrostatic spinning and application thereof
ActiveCN109524639AReduce reunionAlleviate volume expansionCell electrodesSecondary cellsN dimethylformamideSodium-ion battery
The invention discloses a method of preparing a g-C3N4 / silicon carbon cathode material of a lithium ion battery by electrostatic spinning and an application thereof. The method comprises the followingsteps: (1) adding polyvinylpyrrolidone into N,N-dimethylformamide to obtain a polyvinylpyrrolidone solution; (2) adding nano silicon into the polyvinylpyrrolidone solution to obtain a mixed solutionA; (3) adding urea into the mixed solution A to obtain a mixed solution B; (4) carrying out electrostatic spinning on the mixed solution B to obtain a silicon polymer composite material; and (5) putting the silicon polymer composite material in an inert gas environment, heating the material to 200-400 DEG C, keeping the temperature constantly for 3-6 hours, and heating the material to 500-700 DEGC and keeping the temperature constantly for 3-6 hours to obtain the g-C3N4 / silicon carbon cathode material of the lithium ion battery. The g-C3N4 / silicon carbon cathode material of the lithium ion battery has the advantages of being high in specific capacity, stable to recycle, good in rate performance and the like.
Owner:SOUTH CHINA NORMAL UNIVERSITY
Ion source system and mass spectrometer for atmospheric pressure interface
ActiveCN104576287AEffective combinationWide applicabilityIon sources/gunsTest samplePhysical chemistry
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint and mass spectrometer
ActiveCN104241077AGas flow adjustmentThe test effect is goodMaterial analysis by electric/magnetic meansStatic spectrometersElectrolysisHelmholtz coil
The invention discloses a normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint. The normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint comprises an ion source body used for generating normal pressure micro glow discharge, a Helmholtz coil used for providing a uniform magnetic field for restraining a micro glow discharge plasma and a sample ion, and an annular electrode used for generating a static electric field to assist in focusing charged particles, wherein the ion source body is located in the magnetic field generated by the Helmholtz coil, and ion current generated by the ion source body passes an electric field generated by the annular electrode. The invention further discloses a mass spectrometer adopting the normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint. The normal pressure micro glow discharge desorption mass spectrum ion source based on magnetic field constraint and the mass spectrometer are low in energy consumption, small and exquisite in appearance, simple in structure and easy and convenient to operate, have little influence on the outside, are high in signal enhancement degree, are free of sample pretreatment, carry out analysis quickly, can reach the purpose of harmless analysis, and are clean and free of pollution.
Owner:SICHUAN UNIV
Transmission device for transmitting ions in proton transfer reaction ion source
PendingCN107221488AImprove ion transmission efficiencyHigh sensitivitySamples introduction/extractionTransmission channelEngineering
The invention relates to a transmission device for transmitting ions in a proton transfer reaction ion source. The transmission device comprises an annular transmission focusing electrode, an introducing electrode and an extracting electrode which are coaxially arranged, wherein the annular transmission focusing electrode is positioned between the introducing electrode and the extracting electrode, an ion introducing port is formed in the center of the introducing electrode, and an ion extracting port is formed in the center of the introducing electrode; the center of the annular transmission focusing electrode is provided with a funnel-shaped ion focusing transmission passage, the tail end of the ion focusing transmission passage faces the ion extracting port, the ion introducing port, the ion transmission passage and the ion extracting port are communicated, and the ion transmission passage is internally provided with a jet flow blocking electrode. According to the transmission device, the ion utilization efficiency of the proton transfer reaction mass spectrum ion source can be improved, the problem that the transmission efficiency of an existing ion transmission method is insufficient is solved, and finally the sensitivity of a proton transfer reaction mass spectrometer is improved.
Owner:SICHUAN UNIV
High-efficiency ionization probe electrospray mass spectrum ion source device and probe applicable to ion source device
PendingCN109473336AExpand the scope of detectionImprove ion transmission efficiencySamples introduction/extractionIon sources/gunsNitrogen gasAnalytical technique
The invention relates to the technical field of detection and analysis, in particular to a high-efficiency ionization probe electrospray mass spectrum ion source device and a probe applicable to the ion source device. The high-efficiency ionization probe electrospray mass spectrum ion source device comprises a liquid phase capillary pipe, a probe fixed base, a nitrogen gathering system, a gas heating device, a three-dimensional fine adjustment control table and a probe. By the ion source device, the ionization efficiency and the ion transmission efficiency of a detection sample can be improved, so that the electrospray mass spectrum detection range of the probe is expanded. With the novel graphene oxide functional probe applicable to the high-efficiency ionization probe electrospray mass spectrum ion source device, provided by the invention, the enrichment capability and the enriching types of the probe can be improved, and the electrospray mass spectrum detection range of the probe isfurther expanded.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Water soluble salt-based zinc electrolyte and application thereof in secondary zinc battery
PendingCN111540963AInhibitory activitySolve the problem of thermodynamic instabilityFinal product manufactureSecondary cellsElectrical batteryElectrochemistry
The invention relates to a water soluble salt-based zinc electrolyte, in particular to a water soluble salt-based zinc electrolyte and an application thereof in a secondary zinc battery. The water soluble salt-based zinc electrolyte is a nitrile compound and a zinc salt containing crystal water. The water soluble salt-based zinc electrolyte provided by the invention has the characteristics of lowviscosity, high stability, high ionic conductivity, the low freezing point, low cost and insensitivity to moisture and air; and the reversibility and the stability of electrochemical deposition / dissolution of the zinc electrode can be remarkably improved through a special solvation environment and an electrode interface adsorption structure, so that the problem of short cycle life of the aqueous secondary zinc battery is effectively solved. The secondary zinc battery using the water soluble salt-based zinc electrolyte has good charging-discharging cycle performance, and is green, environmentally friendly and low in price.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
Vanadium pentoxide positive electrode material as well as preparation method and application thereof
ActiveCN112054160AImprove performanceImprove ion transmission efficiencyElectrode thermal treatmentPositive electrodesFiberSpinning
The invention relates to the technical field of sodium ion batteries, and particularly discloses a vanadium pentoxide positive electrode material as well as a preparation method and application thereof. The preparation method comprises the following steps: adding a vanadium source and a sulfur source into an alcohol solvent, and reacting to obtain a sea urchin-shaped VS4 precursor; sintering the VS4 precursor to obtain V2O5 powder with a multi-dimensional mixed structure; dispersing the V2O5 powder and polypyrrole in ethanol, adding a block copolymer surfactant to obtain a suspension, performing electrostatic spinning to obtain V2O5 / polypyrrole fibers, and calcining the obtained fibers in an inert atmosphere to obtain the vanadium pentoxide positive electrode material. The vanadium pentoxide positive electrode material provided by the invention is of a fiber net structure, the active material V2O5 powder simultaneously contains double morphologies of a two-dimensional structure and a three-dimensional structure, the surface of the active material V2O5 powder is coated with polypyrrole, and the vanadium pentoxide positive electrode material is high in ion transmission efficiency, good in conductivity and stability, higher in specific capacity, less in capacity attenuation and good in cycle performance.
Owner:河北华普化工设备科技有限公司
Styrenic thermoplastic elastomer/polystyrene composite membrane and preparation method thereof
ActiveCN109265715AImprove mechanical propertiesGood dimensional stabilityFuel cellsElastomerThermoplastic elastomer
The invention relates to a styrenic thermoplastic elastomer / polystyrene composite membrane and a preparation method thereof. The membrane material is prepared from styrenic thermoplastic elastomer andpolystyrene as matrices by the following steps: functionalizing and blending the styrenic thermoplastic elastomer and the polystyrene in form of solutions of different proportions, adding a cross-linking agent, preparing the membrane, and performing quaternary ammoniating and alkalifying under a non-homogeneous phase state to obtain a series of anion exchange membranes. The prepared styrenic thermoplastic elastomer / polystyrene composite membrane has the following advantages: 1) the ion transmission efficiency is obviously improved by effectively adjusting and controlling a microphase separation structure in the membrane by a simple and easy physical composition technique; and 2) the toughness of the styrenic thermoplastic elastomer and high strength of the polystyrene are combined, so thecomposite membrane has good mechanical properties and dimensional stability.
Owner:DALIAN UNIV OF TECH
Slit double gap buncher and method for improved ion bunching in an ion implantation system
InactiveCN1545720ABig advantageImprove efficiencyElectric discharge tubesBeam deviation/focusing by electric/magnetic meansPhysical chemistryIon acceleration
An ion buncher stage for a linear accelerator system is disclosed for bunching ions in an ion implantation system. The ion buncher stage may be employed upstream of one or more linear accelerator stages such that the loss of ions in the linear accelerator system is reduced. The invention further includes an asymmetrical double gap buncher stage, as well as a slit buncher stage for further improvement of ion implantation efficiency. Also disclosed are methods for accelerating ions in an ion implanter linear accelerator.
Owner:AXCELIS TECHNOLOGIES
Modified polymer electrolyte membrane, preparation method thereof and modified gel polymer electrolyte material
ActiveCN108598566AImprove ion transmission efficiencyImprove electrochemical stabilitySecondary cellsElectrolytesPolymer scienceHexafluoropropylene
The invention provides a modified polymer electrolyte membrane, a preparation method thereof and a modified gel polymer electrolyte material. Polyvinylidene fluoride-hexafluoropropylene is modified bya blending method, so that polypropylene carbonate (PPC) is pasted onto a surface of a polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP) matrix in a colloidal state by intermolecular interaction, the PPC and the PVDF-HFP matrix are permeated with each other, so that the purpose of introducing the PPC into the PVDF-HFP matrix is achieved; and the PPC contains C=O polar bonds, and the ion conductivity, the mechanical property and the electrochemical stability of the modified polymer electrolyte membrane are improved by the introduction of the polar bonds; and an electrolyte is absorbed bythe modified polymer electrolyte membrane provided by the invention to obtain a modified gel polymer electrolyte material, and the electrolyte material is high in transmission efficiency, long in cycle lifetime and good in electrochemical stability.
Owner:SHANDONG IND TECH RES INST OF ZHEJIANG UNIV
A differential ion mobility spectrum of a micro-ionization spray ion source and an application method thereof
PendingCN109065435AImprove ionization efficiencyReduce ion diffusionSamples introduction/extractionMaterial analysis by electric/magnetic meansPhysical chemistryInstability
The invention belongs to the field of differential ion mobility spectrum, in particular to a differential ion mobility spectrum of a micro-ionization spray ion source and an application method thereof, wherein the mobility spectrum is sequentially arranged as an ion source atomization chamber, an auxiliary gas accumulation chamber and a differential ion mobility spectrum device. The invention adopts the auxiliary atomizing gas to improve the ionization efficiency of the ion source, the auxiliary atomizing gas and the auxiliary gathering gas are combined to reduce the ion diffusion between theion source and the DMS, and the streamlined gas flow also greatly improves the ion transmission rate in the differential ion mobility spectrum migration channel. The design of double gas paths reducesthe disturbance of gas flow when the two gas streams converge, avoids the uneven gas flow rate caused by the instability of mass spectrometer pump in the traditional technology, and ultimately achieves relatively high ion transport efficiency.
Owner:SHANDONG ANALYSIS & TEST CENT
Method for detecting in-vivo direct acting component in periploca forrestii schltr medicinal material
InactiveCN109100442AImprove ion transmission efficiencyHigh sensitivityComponent separationMedicineMass Spectrometry-Mass Spectrometry
The invention discloses a method for detecting the in-vivo direct acting component in a periploca forrestii schltr medicinal material. An UHPLC-Q-TOF-MS (Ultra-High Performance Liquid Chromatography-Quadrupole-Time Of Flight-Mass Spectrometry) technology is adopted; a serum fingerprint chromatogram and a blank rat serum fingerprint chromatogram are compared after a periploca forrestii schltr extractive and a rat oral periploca forrestii schltr extractive; the migration component in rat blood after the oral periploca forrestii schltr extractive is determined; the in-vivo direct acting componentin the periploca forrestii schltr medicinal material is definite; and thus, reference is provided for effect material basis that periploca forrestii schltr plays a pharmacological role and quality control.
Owner:GUIZHOU MEDICAL UNIV
Ion source of proton transfer mass spectrometer
The invention relates to the technical field of a mass spectrometer ionization device, and particularly relates to an ion source of a proton transfer mass spectrometer, which comprises an insulating medium cavity, a repulsion electrode, a gas inlet, a radio frequency coil, a leading-out electrode, an injection port and an ion funnel type drift tube, wherein the upper end of the insulating medium cavity is sealed, the lower end of the insulating medium cavity is opened, and the opened end is connected with the leading-out electrode; the radio frequency coil surrounds at the periphery of the middle of the insulating medium cavity; the repulsion electrode is arranged inside the sealed end of the insulating medium cavity; the insulating medium cavity is inserted into the upper end of the ion funnel type drift tube and sealed; and the central axis of the insulating medium cavity is coaxial with the central axis of the leading-out electrode. According to the ion source of the proton transfer mass spectrometer, the ionization efficiency, the ion transmission efficiency and leading-out efficiency of an ionization source are improved, so that the sensitivity of the mass spectrometer is improved.
Owner:KUSN HEXIN MASS PECTRUM TECH
Two-color adjustable electrochromic thin film device
ActiveCN109683416AImprove ion transmission efficiencyShort reaction timeNon-linear opticsConductive materialsElectrochromism
The invention provides a two-color adjustable electrochromic thin film device. The device comprises an electrochromic layer, an electrolyte layer and a conductive ion storage layer in certain colors;an electrolyte is applied onto the electrochromic layer to form the electrolyte layer, then the ion storage layer in the certain colors wraps the electrolyte layer, and curing resin is utilized for edge sealing curing to form the two-color adjustable electrochromic thin film device; the conductive ion storage layer in the certain colors is formed by uniformly mixing a nano conductive material, anion storage material and thermosetting resin and then adding dyes in the certain colors, and then wraps the electrolyte layer. According to the two-color adjustable electrochromic thin film device, organic electrochromic materials in different colors are selected, a new manufacturing process is utilized, the ion storage material and the nano conductive material in a traditional electrochromic device are uniformly mixed in the thermosetting resin, the oil dyes in different colors are added into the mixture, and conductive thin films with the ion storage function in different colors are prepared.
Owner:青岛九维华盾科技研究院有限公司
Boron-doped graphene aerogel and preparation method and application thereof
PendingCN112390249AImprove thermal stabilityShape is easy to controlGrapheneDoped grapheneGraphene flake
The invention provides boron-doped graphene aerogel and a preparation method and application thereof. The preparation method includes the steps that graphene oxide serves as a carbon source, boric acid serves as a boron source, and graphene dispersion liquid with different concentrations is prepared, and the stable and high-performance boron-doped graphene aerogel is prepared by using a simple one-step hydrothermal synthesis method. The product obtained by hydrothermal reaction has a special three-dimensional porous structure, and the communicated mesopores on the surface of the boron-doped graphene aerogel inhibit the agglomeration phenomenon of the graphene sheet layer, thereby greatly enhancing the specific surface area of the macroscopic graphene material. Meanwhile, the clearly-layered three-dimensional porous structure can improve the ion transmission efficiency, so that the performance of the boron-doped graphene aerogel as a supercapacitor electrode is improved.
Owner:SHAANXI SCI TECH UNIV
3-dimensional differential pumping system and method thereof
InactiveUS20090039254A1Increase vacuumImprove ion transmission efficiencyThermometers using material expansion/contactionMaterial analysis by electric/magnetic meansUltrasound attenuationEngineering
A differential pumping system in which a vacuum chamber is manufactured to have a plurality of vacuum pumps and conductance limit plates between the vacuum pumps. The differential pumping system in which an ion is implanted from an ionization source, passes through the vacuum chamber and is detected by a detection unit includes a plurality of vacuum pumps in the vacuum chamber and one or more conductance limit plates between the vacuum pumps, and the conductance limit plates form an angle less than 90° with the transmission direction of the ion. According to such a constitution, higher degree of vacuum and the ion transmission efficiency are maintained without increasing the length of the vacuum chamber. Furthermore, it is possible to minimize the attenuation of an ion detection signal due to a collision with a neighboring neutral molecule, improving the sensitivity of an ion detection device.
Owner:KOREA BASIC SCI INST
Mass spectrometer
ActiveUS20140252217A1Improve ion transmission efficiencyHigh detection sensitivityElectron/ion optical arrangementsIsotope separationMass analyzerFront edge
A mass spectrometer having a multi-stage differential pumping system with an ion lens provided in a partition wall separating a second intermediate vacuum chamber and a third intermediate vacuum chamber, the incircle radii of ion guides and the size of the opening of the ion lens are determined so that the circumferential edge of the opening is located outside the circumferential surface of a virtual tubular body straightly connecting the incircle at the rear edge of the second ion guide in the front stage and the incircle at the front edge of the third ion guide in the rear stage. Although the ion lens is located in between, the radio-frequency electric field created by the second ion guide can be effectively connected to the radio-frequency electric field created by the third ion guide through the opening of the ion lens.
Owner:SHIMADZU CORP
Atmospheric Pressure Magnetic Enhancement and Magnetic Confinement DC Glow Discharge Ion Source
ActiveCN106601584BImprove transmission efficiencyImprove ionization efficiencyIon sources/gunsTube magnetic delectionPlasma jetDirect-current discharge
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Mass spectrometer and dynamic lens board
ActiveCN103035472AIncrease the outlet voltageHigh sensitivityElectron/ion optical arrangementsMass spectrometersImage resolutionControl signal
An embodiment of the invention provides a mass spectrometer. The mass spectrometer comprises an ion source, a capillary, a sampling cone, a hexapole, a first ion guide electrode, a second ion guide electrode, a first ion repulsion electrode, a second ion repulsion electrode, a flight tube, a detector and a dynamic lens board. The dynamic lens board controls the outlet voltage of the capillary and voltages of the sampling cone, the first ion guide electrode, the second ion guide electrode, the first ion repulsion electrode and the second ion repulsion electrode according to control signals of an upper computer. By means of the mass spectrometer, the upper computer can control the output voltage of the dynamic lens board at any time, so that the appropriate capillary outlet voltage and the voltages of the sampling cone, the first ion guide electrode, the second ion guide electrode, the first ion repulsion electrode and the second ion repulsion electrode are improved, and in-source collision induced dissociation is achieved. Further, the highest ion transmission efficiency is achieved, and the sensitivity and the resolution ratio are improved effectively.
Owner:JIANGSU SKYRAY INSTR
Vinylidene fluoride copolymer and preparation method thereof
The invention discloses a vinylidene fluoride copolymer and a preparation method thereof, wherein the molecular structural formula of the vinylidene fluoride copolymer is defined in the specification,and in the formula, the unit A is a vinylidene fluoride structural unit, the unit B is a vinyl alcohol structural unit, the C unit is a perfluorovinyl ether lithium sulfonate structural unit, m is aninteger from 0 to 10, and n is an integer from 1 to 6. The preparation method comprises the following steps: copolymerizing a vinylidene fluoride monomer, a vinyl ester monomer and a perfluorovinyl ether lithium sulfonate monomer by a one-step method, and adding alkali for hydrolysis to obtain the vinylidene fluoride copolymer. The preparation method disclosed by the invention is simple in process and low in cost, and provides a new technical thought for PVDF modification; and the prepared vinylidene fluoride copolymer has high ion transmission efficiency, does not have the defect of poor compatibility of blended PVDF, and has great application prospects.
Owner:氟金(上海)新材料有限公司
Electrochemical energy storage polymer electrolyte and preparation method thereof
PendingCN113745648AImprove ion transmission efficiencyImprove consistencySolid electrolytesFinal product manufacturePolymer electrolytesPhysical chemistry
The invention discloses an electrochemical energy storage polymer electrolyte and a preparation method thereof. The electrolyte comprises a polymer, an electrolyte lithium salt, an ionic liquid, a solid oxide, an initiator and a chelating agent, and the polymer is good in uniformity, excellent in mechanical strength and high in ionic conductivity. According to the polymer electrolyte disclosed by the invention, the flame retardance, the thermal stability and the electrochemical stability of the polymer electrolyte are improved by adding the ionic liquid containing FSI<->, TFSI<-> and PFSI<-> anions; and the ionic conductivity is improved by adding the lithium salts LiFSI, LiTFSI and LiPFSI. The chelating agent is beneficial to relatively uniform dispersion of the ionic liquid and the lithium salt in the three-dimensional framework structure of the polymer and is beneficial to improvement of the ion transmission efficiency of the polymer electrolyte, and meanwhile, the uniformity of the system and the consistency of the prepared polymer electrolyte are also improved.
Owner:SINOPEC NANJING RES INST OF CHEM IND CO LTD +2
Electrode material with fiber structure and preparation and application thereof
InactiveCN109930227AFiber Diameter ControlPore Density ControlElectroconductive/antistatic filament manufactureElectrode manufacturing processesElectrical conductorNanofiber
An electrode material with a fiber structure is a nano fiber structure with a micron or submicron structure in diameter, the fiber structure also comprises a porous structure with a nano-sized pore diameter and the porosity is 20-80%. The nano fiber structure electrode material comprises the components of an ion conductor material and an electron conductor material. Compared with the prior art, the electrode material has the advantages of orderly and controllable structure, good quality transfer performance, high noble metal utilization rate, high ion transmission efficiency and strong practicability.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Ion transmission interface device
PendingCN110517943AGuaranteed ion transmission efficiencyImprove transmission efficiencyIon sources/gunsMass spectrometersPotential differenceSpectrometer
The invention discloses an ion transmission interface device, and the device comprises a shell, a separation cone, an ion channel, a conductive plate and an insulating plate; the shell is used for providing a vacuum cavity environment for transmission of charged ions; the separation cone is used for guiding charged ions to enter the ion channel; the conductive plate is mounted on the insulating plate; the ion transmission hole of the conductive plate and the ion transmission hole of the insulating plate are in the same horizontal line, and the direction of the separation cone faces the ion transmission hole; the potential difference between the conductive plate and the separation cone is gradually decreased in the direction from the conductive plate to the separation cone, and charged ionssequentially penetrate through the conductive plate, the insulating plate and the separation cone through the ion transmission hole according to the gradient of the potential difference and enter theion channel. The technical problem to be solved by the invention is to improve the ion transmission efficiency of charged ions from an ion source to an ion channel while preventing uncharged particles and other impurities from entering an ion transmission hole, thereby improving the sensitivity of a mass spectrometer.
Owner:广州质谱技术有限公司
Quadrupole rod electrode system for generating high order field component
ActiveCN103021787AAdjust the electric field distributionImprove ion transmission efficiencyStability-of-path spectrometersCylindrical electrodeMaterials science
The invention belongs to the technical field of quality analysis instruments and particularly relates to a quadrupole rod electrode system for generating a high order field component. The system is composed of four cylindrical electrodes, the diameter of three electrodes is d, the diameter of the other electrode is D, and D>d. Circle centers of the four cylindrical electrodes are located on two perpendicular straight lines with two on each line, a space is defined by the four electrodes which are parallel, the middles of the surfaces of the four electrodes form an incircle with the diameter as d0, and the diameter of the incircle satisfies the condition that d0=d. The experiment system has the advantages of being simple in structure, unique in performance, cheap in construction cost and the like, is capable of adjusting electric field distribution and achieves the aim of improving ion transmission efficiency, ion storage capability and cascade stage quality analysis efficiency.
Owner:常州磐诺仪器有限公司
Solid electrolyte material with low interface impedance and preparation method of solid electrolyte material
InactiveCN104752758AImprove ion transmission efficiencyImprove ionic conductivitySecondary cellsIonChemical measurement
The invention discloses a solid electrolyte material with low interface impedance and a preparation method of the solid electrolyte material. The material comprises a major structure with a chemical formula Li1+x+yAlx(Ti,Ge)2-xSiyP3-yO12, and lithium iodide dispersed in the major structure, wherein the major structure of the material is an NASICON fast ion conductor; x is greater than 0 and less than or equal to 0.4; y is greater than 0 and less than or equal to 0.1; and the mass percentage a of lithium iodide in the material is greater than 0 and less than or equal to 10%. The preparation method of the material comprises the following steps of (1) synthesizing the major structure: selecting raw materials according to a stoichiometric equation of the solid electrolyte material and performing planet ball milling, cold pressing and a solid-phase reaction to obtain the major structure of the dense flaky solid electrolyte material, and (2) performing modification treatment: soaking a sample obtained in Step (1) in a lithium iodide aqueous solution, performing heating for some time, taking the sample out, cleaning the sample and performing vacuum drying treatment. According to the solid electrolyte material and the preparation method, a lithium iodide material with lithium ion conduction property is added to a solid electrolyte layer, so that the interface impedance is reduced, a three-dimensional ion conduction network is formed, and the ion conductivity is improved.
Owner:有研科技集团有限公司
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