69 results about "Fluorosulfonate" patented technology

Disclosed is a fluorinated sulfonic acid salt or fluorinated sulfonic acid group-containing compound having a structure represented by the following general formula (A).

In the formula, n indicates an integer of 1 to 10; R indicates a substituted or unsubstituted C₁-C₂₀ linear, branched or cyclic alkyl group, a substituted or unsubstituted C₁-C₂₀ linear, branched or cyclic alkenyl group, a substituted or unsubstituted C₆-C₁₅ aryl group, or a C₄-C₁₅ heteroaryl group; and a indicates 1 or 0. A photoacid generator containing the above fluorinated sulfonic acid salt or fluorinated sulfonic acid group-containing compound shows high sensitivity to an ArF excimer laser or the like, presents no concerns about human body accumulation, can generate an acid (photoacid) of sufficiently high acidity, and exhibits high solubility in a resist solvent and good compatibility with a resist resin.

An electrolyte for rechargeable batteries with a negative electrode of lithium or lithium containing alloys comprising: one or several non-aqueous organic solvents, one or several lithium salts and one or several additives increasing the cycle life of the lithium electrode. The electrolyte solution may comprise one or several solvents selected from the group comprising: tetrahydrofurane, 2-methyltetrahydrofurane, dimethylcarbonate, diethylcarbonate, ethylmethylcarbonate, methylpropylcarbonate, methylpropylpropyonate, ethylpropylpropyonate, methylacetate, ethylacetate, propylacetate, dimetoxyethane, 1,3-dioxalane, diglyme (2-methoxyethil ether), tetraglyme, ethylenecarbonate, propylencarbonate, γ-butyrolactone, and sulfolane. The electrolyte solution may further comprise at least one salt or several salts selected from the group consisting of lithium hexafluorophosphate (LiPF₆), lithium hexafluoroarsenate (LiAsF₆), lithium perchlorate (LiClO₄), lithium sulfonylimid trifluoromethane (LiN(CF₃SO₂)₂)) and lithium trifluorosulfonate (CF₃SO₃Li) or other lithium salts or salts of another alkali metal or a mixture thereof. Also disclosed is an electrochemical cell or battery with an anode of metallic lithium or a lithium-containing alloy, and such an electrolyte.

Disclosed are compositions prepared by free-radical-driven grafting onto hydrocarbons or hydrocarbon ethers of olefinically unsaturated fluorocarbons containing sulfonyl fluoride, fluorosulfonate, fluorosulfonimide, or fluorosulfonyl methide groups, wherein the grafting step is followed by a hydrolysis step in the case of sulfonyl fluoride.

A fluorine-containing sulfonic acid salt or a compound having a fluorine-containing sulfonic acid group, either of which having a structure represented by the following general formula (1), is provided. Such a salt or compound can act as a suitable photo-acid generator, and can form a resist pattern having excellent sensitivity, resolution and mask-dependence.

[In general formula (1), R represents a substituted or unsubstituted linear or branched monovalent hydrocarbon group having 1 to 30 carbon atoms, a substituted or unsubstituted monovalent hydrocarbon group having 3 to 30 carbon atoms and a cyclic or a partially cyclic structure, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted monovalent heterocyclic organic group having 4 to 30 carbon atoms.]

A resist composition according to the present invention includes at least a base resin, a photoacid generator and a solvent, wherein the photoacid generator comprises a fluorine-containing sulfonic acid salt of the following general formula (4).

In the formula, X independently represents a hydrogen atom or a fluorine atom; n represents an integer of 1 to 6; R¹ represents a hydrogen atom, or an alkyl, alkenyl, oxoalkyl, aryl or aralkyl group; any of hydrogen atoms on carbons in R¹ may be substituted with a substituent; R² represents R^AO or R^BR^CN; and A represents a divalent group. This fluorine-containing sulfonic acid salt can serve as a photoacid generator having high solubility in a resist solvent and thus can suitably be used for a resist composition such that the resist composition shows high resolution, wide DOF, small LER and high sensitivity to form a good pattern shape in lithographic processes.

The invention belongs to the field of chemical engineering, and relates to an environment-friendly, energy-saving, totally-synthesized, and wear-resistant hydraulic oil and a preparation method thereof. The hydraulic oil comprises the following components: base oil, an extreme pressure anti-wear additive, an antioxidant, an antirust component, a viscosity index improver, and an antifoaming agent, wherein the base oil is a mixture of 3-ethyl-1-hexyl imidazole trifluorosulfonate and alkenes, and the extreme pressure anti-wear additive is zinc dialkyl dithiophosphate. The preparation comprises two parts: preparing 3-ethyl-1-hexyl imidazole trifluorosulfonate and mixing raw materials. The synthesized ionic liquid has the advantages of excellent thermal oxidation stability, high viscosity index, good dissolving performance on inorganic salts and organic matters, and good anti-wear and friction reducing effect; and the ionic liquid is taken as the basic liquid to prepare the environment-friendly, energy-saving, and wear-resistant hydraulic oil. The preparation method greatly promotes the development of anti-ware hydraulic oil to directions of environmental compatibility, biodegradability, and renewability, and the ionic liquid may be applied to the practical application of liquid oil.

The invention discloses a preparation method of lithium fluorosulfonate, which comprises the following steps: (1) taking metal fluorosulfonate (MFSO3) with the purity of >=98.5% as a raw material, and carrying out metathesis exchange reaction with organic lithium salt in an ester, alcohol, nitrile or amide solvent; (2) generating insoluble organic metal salt precipitate, pumping in vacuum, extracting by using a poor solvent of an organic metal salt, filtering, separating, concentrating under reduced pressure, adding a low-polarity aprotic solvent into the concentrated solution, standing, crystallizing, and carrying out vacuum drying to obtain the high-purity lithium fluorosulfonate product. The preparation method of the high-purity lithium fluorosulfonate is simple in post-reaction treatment method, high in product yield, high in purity and capable of effectively reducing the content of impurities such as potassium ions, sodium ions, calcium ions, chloride ions and moisture in the product. The preparation method provided by the invention has the characteristics of simple operation steps, reasonable production cost, high safety, wide substrate selection range, low cost and high product purity.

The invention discloses a polymer electrolyte containing lithium imide fluorosulfonate and a preparing method of the polymer electrolyte. The polymer electrolyte prepared by the invention has the advantages that the normal-temperature electric conductivity is high; the vitrification temperature and the crystallinity degree are low; the mechanical intensity and the film forming performance are good; the compatibility with electrode materials is good, and the like. The potential application values are realized in the aspects of lithium (ion) batteries, carbon-base supercapacitors, solar batteries and the like.

The present invention provides a bio-electrode composition including: a resin having a urethane bond and a silicone chain in the main chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formula (1)-1, fluorosulfonic acid salts shown by the following formula (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.

Electrochemically reacting a lanthanide or actinide in solvent at a working electrode; wherein the solvent comprises an organic solvent such as acetonitrile which have a dielectric constant of at least three; wherein the solvent system further comprises an electrolyte; wherein the working electrode comprises an ionically conducting or permeable film such as a fluorosulfonate film; wherein at least one ligand such as triflate distinct from the ionically conducting or permeable film is present; wherein the ligand is chemically similar to a structure in the ionically conducting or ionically permeable film; and optionally wherein the electrochemical oxidation or reduction is carried out under the influence of a magnetic field which favorably enhances the reaction. Improved electrochemical methods, identification, and separation can be achieved. Also, an electrochemical device, wherein the device is adapted to employ the oxygen reduction reaction (ORR) at the cathode, wherein the cathode is magnetically modified, or the electrolyte comprises at least one lanthanide or actinide, or both.

The invention discloses a method for preparing lithium fluorosulfonate by using an organometallic lithium reagent, which comprises the following steps: (1) slowly mixing and reacting the organometallic lithium reagent serving as a lithium source with fluorosulfonic acid under a low-temperature condition in the presence of perfluorohexane serving as a solvent to obtain a lithium fluorosulfonate crude product; and washing the crude product with a reaction solvent for 5 times; (2) carrying out vacuum pumping on the crude product, adding a poor organic solvent of lithium fluorosulfonate, washing for three times, and carrying out vacuum pumping on the poor organic solvent to obtain a solid; (3) adding carbonate, nitrile and alcohol organic solvents into the solid, extracting, filtering, concentrating, adding a low-polarity aprotic solvent into the concentrated solution, and carrying out static crystallization; and (4) filtering the crystals again, and carrying out vacuum drying to obtain the lithium fluorosulfonate product. The preparation steps are carried out without water under the protection of inert gas. According to the preparation method provided by the invention, the lithium fluorosulfonate can be prepared, the yield is high, the product quality is stable, and the content of impurities such as potassium ions, sodium ions, calcium ions, fluorine ions, sulfate ions and water in the product can be effectively reduced.

A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1):

R_f(CH₂CF₂)_m—(CH₂)_nSO₃M   (1)

wherein

Rf is a C₁ to C₄ linear or branched perfluoroalkyl group,

m is an integer of from 1 to 6,

n is from 0 to 4,

M is H, NH₄, Li, Na or K,

and a method of altering the surface behavior of a liquid comprising adding to the liquid the composition of a compound of formula (1).

A rechargeable lithium battery includes a negative electrode including a negative active material including a silicon-based material and a carbon-based material; and an electrolyte solution, wherein the negative electrode further includes greater than or equal to about 0.01 parts by weight and less than or equal to about 1 part by weight of a compound represented by Chemical Formula 1, based on 100 parts by weight of the negative active material, and at least one, selected from the electrolyte solution and the negative electrode, includes greater than or equal to about 0.1 wt % and less than or equal to about 2 wt % of lithium fluorosulfonate and/or lithium bis(fluorosulfonyl)imide, based on the total weight of the electrolyte solution:

Disclosed is an electrolyte solution for a nonaqueous electrolyte battery having an aluminum foil as a positive electrode current collector, which contains: a nonaqueous organic solvent; a fluorine-containing ionic salt as a solute; at least one kind selected from the group consisting of a fluorine-containing imide salt, a fluorine-containing sulfonic acid salt and a fluorine-containing phosphoric acid salt as an additive; and at least one kind selected from the group consisting of chloride ion and a chlorine-containing compound capable of forming chloride ion by charging, wherein the concentration of the component is 0.1 mass ppm to 500 mass ppm in terms of chlorine atom relative to the total amount of the components and. Even though the above additive component is contained, the electrolyte solution is able to suppress elution of aluminum from the aluminum foil as the positive electrode current collector during high-temperature charging.

The invention relates to an electrolyte and a lithium ion battery, and belongs to the technical field of batteries. The electrolyte comprises a lithium salt, an organic solvent and an electrolyte additive, wherein the electrolyte additive comprises lithium difluorophosphate and lithium fluorosulfonate. The lithium fluorosulfonate can form films on the positive electrode and the negative electrode, so that catalytic oxidation of electrolyte on the surface of the positive electrode is effectively avoided, interface side reaction of the electrolyte and the positive electrode under high voltage is inhibited, increase of interface impedance is reduced, and the cycle life of the battery under high voltage is remarkably prolonged;q the lithium difluorophosphate can inhibit growth of a possible negative electrode SEI film in high-voltage circulation and high-temperature storage processes, and can prevent oxidation and reduction reactions of an electrolyte solution, so that increase of interface impedance of a positive electrode and a negative electrode under high voltage is reduced, and therefore, increase of impedance of the positive electrode and the negative electrode can be effectively inhibited through cooperation of the lithium difluorophosphate and the electrolyte solution; and the capacity retention ratio of the battery in the cycle and high-temperature storage process under high voltage can be obviously improved, so that the cycle performance and the storage performance of the battery under high voltage are improved.

The invention discloses a method for preparing an N-sulfonyl substituted tetrahydro-beta-carboline derivative. The N-sulfonyl substituted tetrahydro-beta-carboline derivative is synthesized by using trifluorosulfoacid salt to catalyze the reaction of substituted indol-2-methanol and substituted sulfonyl ethylene imine. Compared with the prior art, the method has the advantages of a few reaction steps and high yield.

The present invention provides a bio-electrode composition including a silicone bonded to a fluorosulfonic acid salt, wherein the fluorosulfonic acid salt is shown by the following general formula (1):

wherein R¹ represents an alkylene groups with 1 to 20 carbon atoms or an arylene groups with 6 to 10 carbon atoms; Rf₁ and Rf₂ each represent a hydrogen atom, a fluorine atom, an oxygen atom, or a trifluoromethyl group; Rf₃ and Rf₄ each represent a hydrogen atom, a fluorine atom, or a trifluoromethyl group, provided that one or more fluorine atoms are contained in Rf₁ to Rf₄; M is selected from sodium, potassium, and silver. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.

The invention relates to the technical field of lithium ion batteries, and discloses an electrolyte for a lithium battery. In the prior art, the high-temperature performance of a battery is improved by adding a self-sacrifice additive but the low-temperature power performance is deteriorated. The invention just aims to solve the above problem. The electrolyte comprises a lithium salt, an organic solvent, a silicon fluorosulfonate compound and lithium fluorophosphate; the silicon fluorosulfonate compound and the lithium fluorophosphate are simultaneously introduced into the electrolyte, and the research of the inventor shows that the silicon fluorosulfonate compound and the lithium fluorophosphate can cooperate to act on an electrode interface of the lithium ion battery, so that the cycle performance and the high-temperature storage performance of the lithium ion battery are remarkably improved, and meanwhile, the low-temperature power characteristic of the battery can be remarkably improved.