60 results about "Ionic composition" patented technology

The invention relates to the technical field of preparation of binuclear cobalt complexes, in particular to a binuclear cobalt complex as well as a preparation method and application thereof. The molecular formula of the binuclear cobalt complex is Co2 (L1) 2X2, the binuclear cobalt complex is composed of two L12-groups, two trivalent cobalt and two X-ions, and X is Cl or OH. The binuclear cobalt complex Co2 (L1) 2Cl2 belongs to a triclinic system, belongs to a P-1 space group, and is a chlorine-bridged binuclear cobalt complex. The binuclear cobalt complex Co2 (L1) 2 (OH) 2 belongs to a monoclinic system, belongs to a P21 / n space group, and is an oxyhydrogen bridging binuclear cobalt complex. The preparation method of the two binuclear cobalt complexes is simple, the cost is lower than that of precious metal, the stability and the selectivity are good, and the binuclear cobalt complexes have certain electrocatalytic oxygen reduction reaction performance.

The invention provides a multi-source constraint reverse modeling method and system for ancient lake water chemical condition evolution, and relates to the technical field of mineral resource exploration, and the method comprises the steps: rock core element scanning, ore-bearing section XRD analysis, and obtaining of ancient lake water ion composition; judging the water chemical type of the ancient lake based on the water ion composition of the ancient lake, and determining the basic evolution path of the water chemical condition; measuring carbon, oxygen and sulfur isotopes, and analyzing isotope fractionation characteristics and control factors; a multiphase fluid mixing model is defined, a Monte Carlo algorithm is adopted to solve the mixing proportion, and reaction network initialization is carried out; dividing time steps of fresh water injection, evaporation concentration, salt precipitation critical periods and the like, carrying out dynamic simulation calculation, constructing a loss function between actual measurement and simulation results, carrying out back propagation correction by adopting an Adam optimizer, and verifying and optimizing the simulation results. The method has good applicability to the numerical simulation of the chemical condition evolution process of the ancient lake water.

The near-infrared absorbing glass contains at least, as constituent ions, P ions; Cu ions; O ions; one or more ions selected from the group consisting of Li ions, Na ions and K ions; and one or more ions selected from the group consisting of Mg ions, Ca ions, Sr ions and Ba ions, wherein, in a glass composition expressed in cation %, the content of Cu ions is 15.0 cation % or lower; the content of P ions is 55.0 cation % or lower; and a cation ratio of the total content of Al ions and P ions relative to the total content of Mg ions, Ca ions, Sr ions, Ba ions, Zn ions and Cu ions ((Al ions+P ions) / (Mg ions+Ca ions+Sr ions+Ba ions+Zn ions+Cu ions)) is 5.300 or lower.

To provide a chemically amplified negative resist composition having improved resolution in pattern formation and giving a resist pattern with good LER and pattern fidelity, and to provide a method for forming a resist pattern.SOLUTION: (A) a photoacid generator comprising an anion having the formula (A1) and a cation having a specific structure, and (B) a base polymer comprising a recurring unit having a specific structure with a phenolic hydroxyl group on a side chain.SELECTED DRAWING: None

The invention provides an MOFs derived carbon loaded sodium alginate adsorbent, a preparation method and application, belongs to the technical field of chemical adsorption, and aims to solve the problems that MOFs derived carbon is poor in stability and recoverability in an acid environment and cannot be applied to unsymmetrical dimethylhydrazine wastewater treatment. According to the preparation method, ZIF-67 is taken as a template, functionalized porous carbon (ZIF-67 at C-X is synthesized at different pyrolysis temperatures (400 DEG C, 600 DEG C and 800 DEG C), X is a pyrolysis temperature (400 DEG C, 600 DEG C and 800 DEG C), ZIF-67 at C-800 is packaged into a double-crosslinking network formed by polyacrylic acid, sodium alginate and Ca < 2 + > ions, and the magnetic ZIF-67 at C-ACPs polymer beads are designed, so that unsymmetrical dimethylhydrazine in water can be removed with high selectivity.

The invention provides a shale primary formation water ion composition evaluation method and device. The method comprises the following steps: acquiring ion composition and tritium content of flow-back fluid in at least one time after hydraulic fracturing of a target well section of a target shale gas well; the ion composition and the tritium content of fracturing fluid used for hydraulic fracturing of the target well section of the target shale gas well are obtained; on the basis of the obtained tritium content of the flow-back fluid at each time and the tritium content of fracturing fluid used for hydraulic fracturing of the target well section of the target shale gas well, the mixing proportion of formation water in the flow-back fluid at each time is determined; and determining the ion composition of the formation water of the target well section of the target shale gas well by combining the determined mixing proportion of the formation water in the flow-back fluid at each time based on the obtained ion composition of the flow-back fluid at each time and the obtained ion composition of the fracturing fluid at each time. According to the method, the water ion composition of the primary formation of the shale reservoir can be accurately determined by utilizing the fracturing flow-back fluid ion content and tritium nuclide characteristics.

The invention provides an ionic liquid doped low-temperature electrolyte, a preparation method and a low-temperature lithium ion battery. The ionic liquid doped low-temperature electrolyte comprises an ionic liquid, an ester organic solvent, a lithium salt and a film-forming additive, the ionic liquid accounts for 15-30 parts by weight, the organic solvent accounts for 40-70 parts by weight, the lithium salt accounts for 8-14 parts by weight, and the film-forming additive accounts for 1-3 parts by weight; the ionic liquid is composed of an imidazole cation containing an unsaturated C = C double bond structure and a fluorosulfonyl imide anion. By introducing the fluorine-containing sulfimide ionic liquid, the solvation structure of Li < + > can be changed, the solubility of the lithium salt is increased, the ionic conductivity of the electrolyte at low temperature is improved, and higher rate capability and capacity retention capability are provided; the ionic liquid with a relatively wide liquid range is introduced, so that the freezing point of the electrolyte can be reduced; the cell of the lithium ion battery prepared from the electrolyte improves the low-temperature discharge performance of the battery and also has the high-temperature cycle performance.

The present invention relates to an oxygen ion conductor material with high oxygen ion conductivity in the medium and low temperature range and a preparation method thereof. The chemical composition of the material is represented by: Bi4(V 1‑y M y ) x O 11+z , wherein M is a metal cation, 1.7≤x≤2.2 and x≠2, 0<y≤0.3, and z depends on the neutral balance of the metal cation composition. The modified bismuth vanadate Bi4 (V 1‑y M y ) x O 11+z Materials have simple preparation process, low cost, stable structure and high conductivity, among which Bi4(V 0.9 Cu 0.1 ) 1.9 O 10.465 At 300℃, the grain conductivity is 10 ‑2 S / cm level, the total ionic conductivity of ceramics reaches 1.2×10 ‑3 S / cm, which is about 1 order of magnitude higher than the current highest value reported in the literature, and can meet the application requirements of medium and low temperature oxide fuel cells and oxygen sensors.

This invention relates to a coating composition comprising an ionomer having a polymer backbone and side chains, the side chains comprising ionic groups, wherein the ionic groups are sulfonic acid groups and sulfonate groups, from 50 to 95% of the total number of sulfonic acid groups and sulfonate groups are in the sulfonate form, and the sulfonate groups have counter ions M selected from the group consisting of lithium, sodium, magnesium, calcium, and mixtures thereof. This invention also relates to an article comprising a polymeric substrate having an antistatic coating thereon, wherein the antistatic coating is formed from the inventive coating composition. The article may be a cable, a cable cover or a cable jacket.

An electrolyte for a lithium-ion cyclizing battery comprises a glycerol-based ionic liquid and an ammonium-based cyclic ionic liquid. The glycerol-based ionic liquid essentially comprises equimolar amounts of a cation component, consisting of a lithium (Li+)-glycerol complex, and an anion component, consisting of an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The ammonium-based cyclic ionic liquid comprises a cation component, consisting of a piperidinium ion and / or a pyrrolidinium ion, and an anion component, consisting of an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, and / or a chlorate ion. The electrolyte has a lithium concentration greater than or equal to 0.2 mol per liter and less than or equal to 1.6 mol per liter.The electrolyte can be used in batteries that cycle lithium ions and include silicon-containing electroactive materials of the negative electrode.

This application discloses a self-luminous geopolymer inorganic coating and its preparation method. The coating comprises, by weight, 100 parts of a silicon-aluminum-rich raw material, 50-90 parts of a liquid alkali activator, 60-100 parts of a fluorescent agent, 5-20 parts of a reflective agent, and 10-30 parts of a filler. The fluorescent agent comprises phosphor particles and a coating layer located on the surface of the phosphor particles, the coating layer being composed of metal ions and acid ions. The metal ions are selected from at least one of calcium ions and magnesium ions, and the acid ions are selected from either silicate or aluminate. The coating layer is made of a material with a similar group structure to the silicon-aluminum-rich raw material, ensuring that the coating's strength development and adhesion to concrete are not affected. The phosphor particles can also be stably present over a long period of time, thereby ensuring the long-term luminescence effect of the phosphor.

To provide a chemically amplified positive resist composition containing an onium salt capable of generating an acid with small diffusion, and to provide a resist pattern forming method using the resist composition.SOLUTION: A chemically amplified positive resist composition comprising (A) a photoacid generator comprising an anion having the formula (A1) and a cation having a specific structure, and (B) a base polymer comprising a polymer comprising a recurring unit having a phenolic hydroxyl group on a side chain and adapted to be decomposed under the action of acid to increase its solubility in alkaline developer.SELECTED DRAWING: None

Disclosed is an alkali metal ion conductor which behaves as a liquid at a low temperature. The alkali metal ion conductor of the present disclosure is an alkali metal ion conductor comprising a salt, wherein the salt comprises a first cation, a second cation, and a first anion, the first cation is a tetraalkylammonium ion having an alkyl chain length of 5 or more, the second cation is an alkali metal ion, and the first anion is at least one anion selected from the group consisting of a bromine ion, a chlorine ion, and a hydrogen sulfate ion.

The invention relates to the field of lithium batteries, in particular to an ionic liquid with excellent thermal stability for a lithium battery and a preparation method of the ionic liquid, and aims to solve the problem that the performance and the safety of the lithium ion battery are influenced due to the fact that the thermal stability of the traditional ionic liquid is reduced because the traditional ionic liquid is easy to decompose at a high temperature. The ionic liquid is composed of a large number of imidazole cations and hexafluorophosphoric acid anions, rapid charging and discharging of a lithium battery are achieved, the ionic liquid is of a high-crosslinking-degree polymer structure, after a benzene ring and a large number of phosphorus elements are introduced into the ionic liquid, the thermal stability of the ionic liquid can be improved, the ionic liquid is not prone to decomposition at high temperature, and the service life of the ionic liquid is prolonged. The high-temperature cycling stability of the lithium battery is further ensured, so that the risks of short circuit and thermal runaway of the lithium battery are avoided, the safety of the lithium battery is improved, the service life of the lithium battery is prolonged, and the preparation method is simple in operation, easy in raw material obtaining, low in cost and suitable for large-scale industrial production.

A method for determining interfacial tension of a hydrocarbon in a brine fluid, the method including injecting a first brine fluid into a test cell, the first brine fluid having an initial ionic composition, injecting a hydrocarbon fluid into the test cell, contacting the hydrocarbon fluid with the first brine fluid, forming a droplet, measuring the interfacial tension of the hydrocarbon fluid in contact with the first brine fluid, at least partially displacing the first brine fluid with an inert gas, measuring a ionic composition salinity of the displaced first brine fluid in an ionic chromatograph, and comparing the measured ionic composition salinity to the initial ionic composition.

The invention provides methods for analyzing polynucleotides using nanopores that allow passage of single stranded polynucleotides but not double stranded polynucleotides. In accordance with some embodiments, a double-stranded product is produced that comprises a labeled strand with a single stranded tail or overhang. The double stranded product is exposed to one or more nanopores in the presence of an electric field across the one or more nanopores such that the single stranded tail may be captured and the labeled strand translocated by unzipping from the double stranded product. The ionic composition of the reaction mixture and electric field strength are selected so that nucleotides translocate a nanopore at a rate of less than 1000 nucleotides per second.

The present invention relates to an inorganic-organic hybrid compound as ionic compound, composed of an inorganic metal cation selected from [ZrO]2+, and of an organic active ingredient anion selected from gemcitabine monophosphate or gemcitabine triphosphate.

Provided is a method for producing lithium hydroxide, comprising the steps of: introducing a lithium salt solution into a salt solution compartment, and introducing water into an acidic solution compartment and a basic solution compartment; discharging, from the acidic solution compartment, a sulfuric acid solution including sulfuric acid ions separated from the lithium salt solution by an anion-selective ion exchange membrane and hydrogen ions generated by decomposing water through electrodialysis in a first bipolar membrane; discharging, from the basic solution compartment, a lithium hydroxide solution including lithium ions separated from the lithium salt solution by a cation-selective ion exchange membrane and hydroxide ions generated by decomposing water through electrolysis in a second bipolar membrane; and adding an additive to the lithium hydroxide solution discharged from the basic solution compartment to precipitate impurities and remove same.

The invention relates to a heavy metal waste liquid electro-deposition cyclic utilization treatment method which comprises the following steps: establishing an interface charge migration model based on waste liquid ion composition and a polarization curve, and quantifying migration impedance characteristics of Cu < 2 + >, Zn < 2 + > and Ni < 2 + >. Through progressive potential scanning, ions are subjected to gradient deposition according to migration resistance, preferential adsorption and reduction are induced through pulse frequency adjustment, and a metal reduction potential window is matched. A movable electrode structure is adopted to transversely move a deposition reaction area on a microscale, and reverse high-frequency pulses are applied in a deposition intermittent period or an electrode migration period to trigger stripping and crystallization of a metal deposition layer and removal of a passivation layer. And continuously depositing the electrode to form a dynamic circulation closed loop. A micro conductivity / ion selective electrode sensor array is integrated, and the concentration and intensity distribution of residual heavy metal ions in the waste liquid are evaluated. The concentration mode is switched according to the sensing result, and the optimized concentration reaches a redeposition threshold value. The AI scheduling system controls the reflux proportion of the concentrated solution, ensures the concentration matching reflux, improves the treatment efficiency and reduces the waste.

This invention provides an onium salt used in a chemically amplified resist composition that exhibits excellent solvent solubility, high sensitivity, high contrast, and superior lithography performance such as LWR, CDU, MEF, EL, and DOF in photolithography using high-energy rays; a chemically amplified resist composition containing the onium salt as a photoacid generator; and a pattern formation method using the chemically amplified resist composition. [Solution] A sulfonium salt comprising an aromatic sulfonate anion and a sulfonium cation represented by the following formula (1B). TIFF2026076056000601.tif51140

The invention discloses a surface charge controllable nanofiltration membrane and a preparation method thereof, and belongs to the technical field of water treatment. The nanofiltration membrane is prepared by taking a polysulfone ultrafiltration membrane as a base membrane, coating a membrane casting solution containing an oligomer, a reactive diluent and the like through a slit coating head, carrying out ultraviolet curing, and then alternately immersing into a polycation electrolyte solution and a polyanion electrolyte solution for coating treatment. Compared with the prior art, the nanofiltration membrane prepared by the invention has the advantages that the oligomer is crosslinked and cured through simple ultraviolet radiation curing reaction to form a stable functional layer; high-temperature heat treatment is replaced by ultraviolet curing, so that the energy consumption is low, and the preparation cost is reduced; the electrostatic adsorption coating step is simple, and is suitable for industrial production; through alternate adsorption of the polyelectrolyte coating, the method adapts to salt lake brine composed of different ions; and the selective separation of ions with different valence states is optimized. In conclusion, the prepared nanofiltration membrane with controllable surface charges has important application value in the field of lithium extraction of salt lake brine.

The invention relates to a seawater-based ionic composition for the manufacture of medical devices intended for administering said composition to patients, and to restorative and soothing cosmetics, comprising a specific concentration of chloride (Cl), sodium (Na), sulfate (SO4), sulfur (S), magnesium (Mg), calcium (Ca), potassium (K), and bicarbonate (HCO3). This composition is reproducible, stable, well-tolerated, and can be used alone or in combination with other ingredients.

The invention discloses a positive and negative electrode general type vanadium-halogen flow battery electrolyte and a preparation method and application thereof, and belongs to the technical field of flow batteries. The electrolyte comprises halide ions, vanadium ions, inorganic strong acid and a complexing agent, the halide ions are bromide ions or a combination of the bromide ions and other halide ions, the other halide ions are fluorine ions and / or chloride ions, and the concentration is 1 mol / L-7 mol / L; the vanadium ions are composed of trivalent vanadium ions and tetravalent vanadium ions which are equal in molar weight, and the concentration of the vanadium ions is 1-4 mol / L; the concentration of the inorganic strong acid is 1 mol / L-7 mol / L; the complexing agent is a quaternary ammonium salt compound, and the concentration of the complexing agent is 0.1 mol / L-0. 5 mol / L. The positive and negative electrode general type vanadium-halogen flow battery electrolyte solves the problem that the capacity and efficiency of the battery are reduced due to the cross mixing phenomenon in the operation process, and capacity recovery can be realized through simple mixing of the positive electrode side electrolyte and the negative electrode side electrolyte.

The present invention addresses the problem of providing a plating solution which has excellent throwing power and which can form an Ni-Cr-(Mo / W)-based alloy film having a more uniform thickness. The present invention also addresses the problem of providing a plating method. Provided is a plating solution for forming an Ni-Cr-(Mo / W)-based alloy film, said plating solution comprising: metal ion sources including ion sources of nickel, chromium, and molybdenum and / or tungsten; and one or more chemical species selected from the group consisting of ammonia, amines, and ammonium ions. Also provided is a method for forming an Ni-Cr-(Mo / W)-based alloy film, said method comprising a step for carrying out plating with the plating solution. The plating solution preferably further contains a complexing agent in an amount of 0.01-4 equivalents with respect to the total amount of the metal ion sources.

The sulfonium salt consists of an aromatic sulfonate anion having the following formula (1A) and a sulfonium cation having the following formula (1B). The sulfonium salt can be used in a chemically amplified resist composition. The resist composition has a high solvent solubility, high sensitivity and high contrast, and forming a resist film with improved lithography properties such as LWR, CDU, MEF, EL, and DOF when processed by photolithography using high-energy radiation such as a KrF or ArF excimer laser beam, an electron beam (EB) or EUV.

The invention relates to an ionic liquid corrosion inhibitor and a preparation method and application thereof, the ionic liquid corrosion inhibitor is composed of N, N-dialkyl secondary ammonium cations and dodecylbenzene sulfonic acid anions, and has a general formula structure shown in the following figure. When the ionic liquid corrosion inhibitor is added into mineral oil as an oil-soluble corrosion inhibitor, steel and iron materials can be prevented from being corroded in a humid and hot atmospheric environment. The ionic liquid corrosion inhibitor has the characteristics of good oil solubility, stable micelle structure and high corrosion inhibition efficiency, and can be used as a key rust inhibition component in novel antirust oil. The oil-soluble surface active ionic liquid corrosion inhibitor based on the N, N-dialkyl-secondary ammonium ions and the dodecylbenzene sulfonate ions, provided by the invention, has the characteristics of being green, non-toxic, good in oil solubility and high in corrosion inhibition efficiency.

A method for determining interfacial tension of a hydrocarbon in a brine fluid, the method including injecting a first brine fluid into a test cell, the first brine fluid having an initial ionic composition, injecting a hydrocarbon fluid into the test cell, contacting the hydrocarbon fluid with the first brine fluid, forming a droplet, measuring the interfacial tension of the hydrocarbon fluid in contact with the first brine fluid, at least partially displacing the first brine fluid with an inert gas, measuring a ionic composition salinity of the displaced first brine fluid in an ionic chromatograph, and comparing the measured ionic composition salinity to the initial ionic composition.

Purification processes include a step of contacting a metal-containing ionic liquid composition with a gaseous unsaturated compound at a pressure of at least 50 psig to remove at least a portion of the solvent to form a purified metal-containing ionic liquid composition. The metal-containing ionic liquid composition contains an ionic liquid comprising an ionic liquid cation and an ionic liquid anion, a metal cation, and a solvent at a molar ratio of solvent: metal cation of at least 0.25:1.

The present invention addresses the problem of providing a plating solution and a plating method which have excellent uniform electrodeposition properties and are capable of forming a Ni-Cr-(Mo / W) alloy coating film with a more uniform film thickness. A plating solution for forming a Ni-Cr-(Mo / W) alloy coating film, the plating solution containing: a metal ion source containing an ion source of nickel, chromium, and molybdenum and / or tungsten; and one or more chemical species selected from the group consisting of ammonia, amines, and ammonium ions. And a method for forming a Ni-Cr-(Mo / W) alloy coating film, the method including a step for plating using the plating solution. It is preferable that the plating solution further contains a complexing agent in an amount of 0.01-4 equivalents (inclusive) relative to the total amount of the metal ion sources.

The application discloses a method for identifying weak positions of immersed tube tunnel structures in advance and related equipment, and comprises the following steps: S1, carrying out a load plate test on site to determine the stiffness of the foundation of the immersed tube tunnel; S2, analyzing the load borne by the immersed tube tunnel, including the gravity of the immersed tube tunnel and external water and soil load borne by the immersed tube tunnel; analyzing the ion composition of the water body in the water environment of the immersed tube tunnel to identify the erosive ions causing the deterioration of the immersed tube tunnel; S3, based on the identified load type, establishing a mathematical model for describing the mechanical behavior of the immersed tube tunnel under the load; based on the identified erosive ions, establishing a mathematical model for describing the chemical behavior of the immersed tube tunnel under the erosive ions; S4, establishing a three-dimensional finite element model of the immersed tube tunnel; the application can identify the weak positions of the immersed tube tunnel at the construction stage of the immersed tube tunnel, and can indicate the positions of the local anti-seepage reinforcement of the weak positions, thereby preventing a passive situation of remedying after the structure seeps water.