30 results about "Single ion" patented technology

Methods and systems for identifying or classifying charge states of detected ions. An example method for classifying a charge state of detected ions may include generating a pulse for each ion in a plurality of ions detected by a detector, wherein each pulse has a pulse characteristic; generating a pulse-characteristic distribution of the generated pulses; and based on the pulse-characteristic distribution, generating an identification of the charge state of one or more ions in the plurality of ions.

The invention provides a single-ion conductor polymer monomer for a battery. The single-ion conductor polymer monomer has a structure, wherein R1 is selected from one of a hydrogen atom, a substituted or unsubstituted C1-C3 alkyl chain, a substituted or unsubstituted C1-C3 alkoxy chain and a substituted or unsubstituted C1-C3 ester chain; r2 is selected from one of a substituted or unsubstituted alkyl chain of C1-C3, a substituted or unsubstituted alkoxy chain of C1-C3, and a substituted or unsubstituted ester chain of C1-C3; n1 is an integer selected from 0-3, and n2 is an integer selected from 0-4. The polymer electrolyte with high ion transference number is obtained, has excellent ion conduction selectivity, and can remarkably improve the migration efficiency of lithium ions in a battery and reduce side reaction and polarization phenomena, thereby improving the energy density and cycling stability of the battery.

The utility model discloses a multi-stage ion exchange method water medium supply device, which relates to the technical field of water treatment and comprises a frame, and an ion exchange component is mounted on the frame. The ion exchange assembly comprises a plurality of columns installed on the frame at equal intervals, an exchange cavity is formed in each column, a water medium inlet communicated with the exchange cavity is formed in the side wall of the lower portion of each column, and a water medium outlet communicated with the exchange cavity is formed in the side wall of the upper portion of each column. The water medium inlets and the water medium outlets of the adjacent columns are connected in series through water flow pipelines, and the exchange cavities are filled with different types of ion exchange resin. Through the design that a plurality of column bodies are connected in series and are filled with different types of ion exchange resin, various ion impurities in water can be comprehensively and deeply removed, and compared with a traditional single ion exchange method, the water purification effect and efficiency are greatly improved, and the product quality and the stability of a production process are effectively guaranteed.

Method for processing a power diode (1) comprising the following: - Providing a semiconductor body (10); - Generating an anode region (102) and a drift region (100) in the semiconductor body (10), wherein the anode region (102) comprises an anode body zone (1023) adjacent to the drift region (100); - Forming both an anode contact zone (1021) and an anode damage zone (1022) in the anode region (102) by a single ion implantation process step, which is followed by a temperature healing process step, wherein: (i) defects caused by the implanted ions can only be partially healed, (ii) the anode damage zone (1022) is formed between the anode contact zone (1021) and the anode body zone (1023); and (iii) the only ion implantation process step is performed with an implantation energy of less than 20 keV.

This invention provides a high-strength, stable engineering stress-distribution glass, its preparation method, and apparatus. One side of a glass sample that has undergone a single ion exchange is cooled to a low temperature, while the other side is brought into contact with the molten salt surface. The ion exchange temperature cutoff depth inside the glass is determined by the molten salt temperature. A second ion exchange is then performed to obtain the high-strength, stable engineering stress-distribution glass. This invention simplifies and controls the secondary ion exchange process for glass, achieving both increased glass strength and improved glass stability.

The utility model discloses multi-ion-source processing equipment, and relates to the technical field of semiconductor processing equipment, and the multi-ion-source processing equipment comprises a process chamber; the carrying table is arranged at the bottom of the process chamber, and the carrying table is provided with a bearing surface for placing a to-be-treated workpiece; the carrying table can rotate along a first axis perpendicular to the center of the bearing surface and can also rotate along a second axis parallel to the bearing surface; the first ion source is movably mounted at the top of the process chamber and can emit a first ion beam, and an irradiation area of the first ion beam covers a local area of the bearing surface; and the second ion source is installed at the top of the process chamber and can emit a second ion beam, and the irradiation area of the second ion beam at least covers the bearing surface. According to the technical scheme, surface processing can be conducted on the workpiece to be processed through the first ion beam emitted by the first ion source and the second ion beam emitted by the second ion source, and compared with ion source processing equipment adopting a single ion source, the process flexibility is improved.

This invention discloses a single-ion conductor gel electrolyte, a lithium-ion battery, and a preparation method thereof, relating to the field of electrochemical energy storage technology. The single-ion conductor gel electrolyte provided by this invention contains monomer units derived from polymerizable lithium salt monomers, fluorinated comonomers, and crosslinking agents. By controlling the types of polymerizable lithium salt monomers, fluorinated comonomers, and crosslinking agents, high Li-ion lithium content can be simultaneously achieved. + Migration number and high ionic conductivity. Testing showed that the gel polymer content (w) was 8%–35%, and the free lithium salt was ≤3.0 wt%. At 25°C, Li… + Number of migrations t(Li) + The ion conductivity σ ≥ 0.60 and the ionic conductivity σ ≥ 1.0 mS / cm are also specified. The provided lithium-ion battery exhibits ≥ 600 cycles at 1C / 25℃, ≥ 85% capacity retention at 2C / 0.5C rate, and ≤ 15℃ temperature rise under full charge needle penetration. These performance characteristics are significantly superior to traditional dual-ion conductor gel electrolyte systems in terms of cycle performance, rate performance, and safety.

Provided is an operation method of a heat engine device using a single ion configured to greatly improve the efficiency of a heat engine by performing work in a different way than heat engine apparatuses to which classical thermodynamics applies. With the single ion heat engine device, a heat engine cycle in accordance with an auto engine cycle can be established on a micro-scale. Accordingly, the heat engine device using single ion has the effect of being able to be utilized as a substantially mesoscopic or nano-scale heat engine. This utilization is based on concepts, such as temperature, entropy, and pressure, that vary with features of a micro-miniaturized heat engine and types of thermal reservoirs and on interpretation of a change in engine efficiency.

Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.

The invention provides a low-temperature magnetocaloric material based on divalent europium and application of the low-temperature magnetocaloric material, the chemical formula of the low-temperature magnetocaloric material is EuX2, and X is F, Cl, Br or I. The magnetic order temperature of the material is lower than 1.8 K, and the magnetic entropy change value of the material under 0-5T magnetic field change exceeds 30J kg <-1 > K <-1 >. Typically, according to the EuCl2 material provided by the invention, due to the single ion behavior and the free spinning characteristic of Eu < 2 + > ions, the material shows a huge magnetocaloric effect. The maximum magnetic entropy change value of EuCl2 reaches 74.6 J kg <-1 > K <-1 > under 0-5T magnetic field change, and is 96% of the theoretical limit; and the magnetic field change reaches 36.8 Jkg <-1 > K <-1 > under 0-1T low magnetic field change, which is far better than that of reported materials. In quasi-adiabatic demagnetization measurement, the EuX2 material can reach the lowest temperature of 428mK at the initial temperature of 2K and the magnetic field of 4T, and the holding time at the temperature is as long as 1h, which is far beyond that of all reported other materials under the working condition at present. The results show that the EuX2 material has huge application value in adiabatic demagnetization refrigeration and thermal management.

The invention discloses a multi-path residual gas analysis and collaborative detection system based on a single ion source. The multi-path residual gas analysis and collaborative detection system mainly comprises an ion source assembly, a quadrupole rod mass analyzer, a detection system and a control and data fusion module, the ion source assembly comprises a filament module and two transmission lenses, residual gas is ionized into ions by the filament module, the ions flow into the quadrupole rod mass analyzer through the transmission lenses and are screened, and ions with specific mass flow into the detection system from the quadrupole rod mass analyzer and are converted into digital signals to be transmitted to the control and data fusion module; the control and data fusion module fuses digital signals of the two detection systems into a single spectrogram. According to the invention, through a combined RGA design, comprehensive application and linkage of multiple process scenes are realized; simultaneous scanning in positive and negative ion modes can be realized, and acquired data information is richer; when full-spectrum information is scanned, sectional scanning can be realized, and the scanning speed is at least doubled.

This technology relates to copolymers of single-ion conductive monomers and / or neutral monomers, and to methods for manufacturing them.

The invention discloses a single-ion gel electrolyte with a semi-interpenetrating network structure and a preparation method of the single-ion gel electrolyte. According to the electrolyte, a natural macromolecular sulfonated product is used as a fixed anion carrier, ZnO is used as a zinc ion source, a semi-interpenetrating network structure is constructed, and unification of high cation concentration, low corrosivity, high mechanical strength and excellent ionic conductivity is achieved. The flexible zinc ion battery is prepared in an in-situ polymerization manner, is simple in process and is suitable for the flexible zinc ion battery. The problems of small cation introduction amount, serious electrode corrosion, poor mechanical property and the like in the traditional single-ion electrolyte are effectively solved, and the single-ion electrolyte has a wide application prospect.

The application discloses a sodium-based single-ion conducting polymer electrolyte PTB-S based on a boroxin skeleton and a preparation method and application thereof, TB is used as a boroxin precursor, sodium methoxide is used to generate TB-S1, TB-S2 and TB-S3 with sodium salt, TB-S is dissolved in TB to form a copolymer precursor electrolyte, in-situ copolymerization is induced by heat in a battery, PTB-S1, PTB-S2 and PTB-S3 are obtained, and B-O-Na + is constructed, a boroxin anion fragment is fixed on a skeleton through a covalent bond or a stable coordination mode, Na + is used as a main migration ion, single-ion conduction is realized, and a three-dimensional sodium ion transmission channel is formed, a Na||NFS full battery maintains a stable voltage platform and a high capacity retention rate under a medium current density, excellent interface stability and cycle life, a boroxin skeleton, TB-S monomer construction and single-ion conducting mechanism, and safe, long-life and high-power operation of a sodium metal battery.

In one aspect, a method of processing mass spectrometric data is disclosed, which includes using a multi-channel ion detection system comprising n multiple independent channels to receive ions, wherein each of the channels generates an independent output signal associated with an ion detection period, identifying an ion detection event as corresponding to a single ion detection based on a predefined pattern of the output signals associated with the ion detection period, where the output signals are generated substantially concurrently.

The present invention relates to a gel electrolyte comprising: i. at least one cross-linked polymeric matrix obtainable by cross-linking a polymer precursor formulation, said polymer precursor formulation comprising: - a) at least one monomer lithium salt comprising a vinyl group or an acrylate or a methacrylate group, and at least one sulfonimide or sulfonate group; and - b) a mixture of monomers, said mixture comprising: a) at least one monomer having one acrylate or methacrylate group; and b) at least one cross-linkable monomer having two or more cross-linkable acrylate or methacrylate groups; and ii. at least one lithium salt, other than the monomer lithium salt; iii.at least one solvent selected from a fluorinated ether, a sulfonamide and a combination thereof; and iv. optionally, at least one co-solvent and / or a lithophilic salt.

Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.

A method of analysing a signal generated by a mass analyser comprises receiving a signal generated by the mass analyser, determining the area of a first ion peak of one or more ion peaks in the signal, and estimating the number of ions that contributed to the first ion peak. The number of ions that contributed to the first ion peak is estimated by determining a correction to be applied to the area of the first ion peak from a correction function, and applying the correction to the area of the first ion peak. The correction function describes a relationship between average single ion area and ion mass, mass-to-charge ratio and / or charge for the mass analyser.

The invention discloses a method and system for realizing an entanglement gate in an ion trap, and the method comprises the steps: focusing first Raman light, irradiating the focused first Raman light to one or more ions in an ion trap and an ion chain, and focusing second Raman light, irradiating the focused second Raman light to one or more ions irradiated by the first Raman light, one or more single ions can be subjected to single-bit gate, or two ions are subjected to two-bit entanglement; meanwhile, another second Raman light is focused and then irradiated to a single ion or multiple ions in the ion trap and the ion chain, and third Raman light is focused and then irradiated to a single ion or multiple ions irradiated by another second Raman light, so that one or multiple single ions can be subjected to single-bit gate; or the two ions are subjected to two-bit entanglement. According to the invention, through multiple groups of Raman light and two groups of radial modes, parallel gate operation is realized between entangled different ion pairs, so that the running time of a quantum circuit is greatly shortened.

The invention relates to a CrTe2-Cr2Te4 material with a single ion channel structure and a preparation method of the CrTe2-Cr2Te4 material, and belongs to the field of low-dimensional materials. The preparation method comprises the following steps: (1) mixing a metal precursor, a tellurium elementary substance and a fluxing agent according to a set proportion, uniformly grinding, then placing between two substrates in a central reaction area of heating equipment, and controlling the reaction temperature to be 500-1000 DEG C; (2) placing a tellurium precursor in the upstream area of the heating equipment, keeping the distance between the tellurium precursor and the central reaction area at 0-15cm, and introducing mixed inert gas and hydrogen into the heating equipment as carrier gas; and (3) tellurium steam generated in the upstream area is conveyed to a central reaction area through carrier gas, the tellurium steam reacts with a mixture of a metal precursor, tellurium elementary substance and a fluxing agent at the high temperature of 500-1000 DEG C, and finally the CrTe2-Cr2Te4 material with the single ion channel structure is prepared.

The application discloses a kind of method and device for determining the energy barrier of single ion across membrane under electric driving condition in the field of membrane separation and electrochemical analysis technology, including in the high concentration salt solution and low concentration salt solution with concentration difference, install the separation membrane to be measured, constitute the mass transfer system across membrane.The application can make different ions respectively permeate the separation membrane under the action of applied electric field, so as to realize the quantitative determination of the energy barrier of single ion across membrane, can directly quantify the energy barrier of single ion across membrane, and effectively separate the ion response signal under the electric field driving, avoid the interference of polarization effect and coexisting ion, can obtain the real, independent single ion migration behavior across membrane.

A mass spectrometer that includes an MCP detector selects and analyzes a calibrant compound that has a first isotope and a second isotope with a known abundance ratio. The mass spectrometer measures the intensity of the first isotope that produces multiple-ion strikes at the MCP detector and the intensity of the second isotope that produces single-ion strikes at the MCP detector while the bias voltage of the MCP detector is stepped through a sequence of one or more different voltages. At each step, the ratio of the measured intensities is compared to the known abundance ratio for the two isotopes. When the measured ratio is within a predetermined threshold of the known abundance ratio, an optimum voltage for the MCP detector is calculated using one or more measured ratios calculated for voltages of the sequence of voltages.

Gain calibration is performed for an ion detector operating at a detector voltage. A single ion is generated. Parameters of a first relationship between a detector output of the ion detector and a number of ions for a first detector voltage are determined by detecting the single ion at the ion detector. An ion peak is detected at the ion detector using the first detector voltage to determine a number of ions in the ion peak based on the parameters of the first relationship. The detector voltage is adjusted to reduce a ratio between the detector output and a noise level, and thereby obtain a second detector voltage at which the detector output for the ion peak remains above the noise level. Parameters of a second relationship between the detector output and the number of ions for the second detector voltage are determined based on the determined number of ions in the ion peak.

The application discloses a weak alternating current field measuring device based on single-ion coherent state. A single ion is confined in a surface electrode ion trap located on the surface of a vacuum cavity. A laser system emits corresponding measuring and controlling laser to the ion according to a preset time sequence. The measuring and controlling laser is Doppler cooling laser, internal state preparation laser, sideband cooling laser, blue sideband transition excitation laser or probe laser. An alternating current signal source outside the vacuum cavity emits a to-be-measured alternating current field to the surface electrode ion trap through an electric field loading electrode, and excites the ion coherent state evolution. The application also discloses a weak alternating current field measuring method based on single-ion coherent state. The to-be-measured alternating current field drives the ion coherent state, and then the laser system drives the ion blue sideband transition. The average phonon number is inversely deduced by measuring the evolution of the internal state population with time, and then the amplitude of the to-be-measured alternating current field force and the intensity of the to-be-measured alternating current field are calculated. The application can realize the measurement of the weak alternating current field in a 100 kHz-3 MHz wide frequency band.

The application relates to the technical field of new rare earth-based magnetic materials, in particular to a trinuclear dysprosium monomolecular magnet based on acylhydrazone Schiff base and a preparation method, which has a chemical formula of {[Dy3L2(CH3OH)4(H2O)4]·Cl}, wherein L is an acylhydrazone Schiff base ligand; the chemical composition of the magnet Dy3L2 comprises three Dy Ⅲ ions, two partially deprotonated acylhydrazone Schiff base ligands, and the acylhydrazone Schiff base ligand has a molecular structural formula of: the acylhydrazone Schiff base ligand has suitable coordination ability and a spatial configuration, can form a stable coordination bond with a rare earth ion, and the Dy 3+ ion coordinated with the acylhydrazone Schiff base ligand has the characteristics of large magnetic anisotropy, large magnetic moment, weak crystal field splitting and strong spin-orbit coupling, and the combination of the two can synthesize a high-efficiency monomolecular magnet. The special coordination configuration of the ligand and the Dy 3+ ion solves the problem of poor relative stability and controllability of the monomolecular magnet in the prior art due to small single-ion magnetic anisotropy.

The invention discloses a single-ion-doped lanthanum oxide block material capable of directionally regulating and controlling superconducting performance as well as a preparation method and application of the single-ion-doped lanthanum oxide block material. The preparation method comprises the following steps: S1, in an inert gas atmosphere, mixing and pressing lanthanum oxide, metal lanthanum and a doped ion source into a precast block; the doped ion source is selected from a yttrium source or a nitrogen source; s2, the prefabricated block is put into a multi-surface jacking machine, the pressure is increased to 4.5-5.5 GPa, and the pressure is maintained; then, the temperature is increased to 1473-1653 K at the speed of 100-200 K / min, heat preservation is conducted, and the single-ion-doped lanthanum oxide block material La < 1-x > Y < x > O or LaO < 1-y > Ny is prepared; wherein x is selected from the group consisting of 0.04 to 0.11; and y is selected from 0.40 to 0.70. The block material prepared by the method has a pure NaCl type crystal structure, the impurity phase content is less than or equal to 4%, the superconductive critical temperature is high, and the superconductor volume is close to 100%.

The invention relates to the technical field of lithium ion batteries, in particular to a single-ion ether polymer as well as a preparation method and application thereof. The single-ion ether polymer is shown as a formula (I); wherein x is more than 0 and less than 1, x is the molar fraction of a chain segment, n is an integer selected from 3-6, and the intrinsic viscosity of the single-ion ether polymer is 1dL / g to 4dL / g. The solid electrolyte prepared by using the polymer electrolyte as a solid electrolyte matrix has high ionic conductivity and cycle retention rate, not only effectively solves the problems of low ionic conductivity and low lithium ion transference number of the traditional polymer electrolyte at room temperature, but also effectively inhibits the growth of lithium dendrites, and remarkably improves the safety performance and cycle stability of the battery; the rapid development of the lithium ion battery can be met.

Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.

A single-ion conducting material comprising a plurality of units of formula (I): (I) wherein X is Al or B; M is a cation; the single-ion conducting material comprises X groups of formula (I) linked by a group of formula (II) wherein n is greater than 1 and each R1 independently is an organic residue: (II) and the single-ion conducting material comprises X groups of formula (I) substituted with at least one group of formula OR2 wherein R2 is an organic substituent which is not bound a further X. The single-ion conductive material may be used in a metal battery or metal ion battery.

This invention discloses a method for simultaneously detecting sulfate ions and lithium salts in lithium battery electrolytes, belonging to the field of chemical analysis technology. The method includes: diluting the lithium battery electrolyte to be tested with water to obtain a test solution; and detecting the test solution using an ion chromatograph. The chromatographic conditions include: using an anion exchange column; eluent being a mixed aqueous solution containing sodium carbonate, sodium bicarbonate, and acetonitrile, wherein the concentration of sodium carbonate is 4.5–5.5 mmol / L, the concentration of sodium bicarbonate is 3.8–4.5 mmol / L, and the volume percentage of acetonitrile is 25–35%. The overall analytical process of this invention can be controlled within 30 minutes, and the detection limit is far below the industry standard requirements, achieving rapid and accurate simultaneous determination of multiple lithium salts and sulfate impurities in the electrolyte in a single ion chromatographic analysis.