Patent application number | Description | Published |
20090281224 | COATING COMPOSITION - There is provided a coating composition comprising (A) a thermoplastic non-fluorine-containing polymer, (B) inorganic ferroelectric particles, (C) an affinity-improving agent comprising at least one of a coupling agent, a surfactant and an epoxy group-containing compound, and (D) a solvent, and there is provided a film formed using the coating composition which has highly dielectric property and low dielectric loss, can be made thin, is excellent in winding property (flexibility) and is suitable as a highly dielectric film for a film capacitor. | 11-12-2009 |
20090291369 | SOLID ELECTROLYTE COMPRISING FLUORINE-CONTAINING POLYMER HAVING FLUORINE-CONTAINING ETHER CHAINS - There is provided a fluorine-containing polymer solid electrolyte which has an excellent ion-conducting property, is high in oxidation resistance, is stable electrochemically and thermally, has sufficient strength and is applicable to various electrochemical devices. The electrolyte comprises (I) a non-crystalline fluorine-containing polymer which has a polar nonionic functional group and has, in a side chain of the polymer molecule, a structural unit D having 1 to 4 units derived from a fluorine-containing ether in the form of continuous chain, (II) an electrolytic compound and as case demands, (III) a solvent. The electrolyte has an ionic conductivity of from 10 | 11-26-2009 |
20090305144 | ELECTROCHEMICAL DEVICE - There is provided an electrochemical device provided with an electrolytic solution comprising (I) a solvent for dissolving an electrolyte salt comprising (A) a fluorine-containing ether represented by the formula (1): | 12-10-2009 |
20090306264 | HIGHLY DIELECTRIC FILM - There is provided a highly dielectric film which has high dielectric property, can be formed into a think film and is excellent in winding property (flexibility). The highly dielectric film comprises (A) a vinylidene fluoride polymer, (B) barium titanate oxide particles and/or lead zirconium titanate oxide particles, and (C) an affinity improving agent, wherein the barium titanate oxide particles and/or lead zirconium titanate oxide particles (B) and the affinity improving agent (C) are contained in amounts of 10 to 500 parts by mass and 0.01 to 30 parts by mass, respectively based on 100 parts by mass of the vinylidene fluoride polymer (A). | 12-10-2009 |
20100062344 | NON-AQUEOUS ELECTROLYTIC SOLUTION - There is provided a non-aqueous electrolytic solution comprising an electrolyte salt, a specific fluorine-containing solvent and a fluorine-containing cyclic carbonate represented by the formula (A1): | 03-11-2010 |
20100120988 | FLUORINE-CONTAINING ELASTOMER COMPOSITION AND SEALING MATERIAL MADE OF SAME - A fluorine-containing elastomer composition assuring a low compression set and comprising a perfluoroelastomer (A) comprising (a) 18 to 33% by mole of a perfluoro(alkyl vinyl ether) unit, (b) 0.3 to 0.6% by mole of a monomer unit having at least one selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group and (c) a tetrafluoroethylene unit. | 05-13-2010 |
20100185007 | PROCESS FOR PREPARING FLUOROAMIDE AND FLUORONITRILE - There are provided simple processes for preparing a fluoroamide and a fluoronitrile which assure higher yield, i.e., a process for preparing a fluoroamide represented by the formula (2): CF | 07-22-2010 |
20100202100 | HIGHLY DIELECTRIC FILM - There is provided a highly dielectric film which has highly dielectric property, can be made thin, being excellent in winding property (flexibility) and assures a small dielectric loss, and the highly dielectric film comprises a vinylidene fluoride type polymer (A), and compound oxide particles (B) represented by the formula: M | 08-12-2010 |
20100310943 | SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY BATTERY - There are provided a solvent for dissolving an electrolyte salt of lithium secondary battery comprising at least one fluorine-containing solvent (I) selected from the group consisting of a fluorine-containing ether, a fluorine-containing ester and fluorine-containing chain carbonate, 1,2-dialkyl-1,2-difluoroethylene carbonate (II) and other carbonate (III), a non-aqueous electrolytic solution comprising the solvent and an electrolyte salt, and a lithium secondary battery using the non-aqueous electrolytic solution. The solvent for dissolving an electrolyte salt provides a lithium secondary battery being excellent particularly in discharge capacity, rate characteristic and cycle characteristic and has enhanced incombustibility (safety) and the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt. | 12-09-2010 |
20110008681 | ELECTROLYTIC SOLUTION - There is provided an electrolytic solution causing no phase separation even at low temperatures, being excellent in flame retardancy and noncombustibility, assuring high solubility of an electrolyte salt, having a high discharge capacity, being excellent in charge-discharge cycle characteristics and being suitable for electrochemical devices such as lithium ion secondary batteries. The electrolytic solution comprises a solvent (I) for dissolving an electrolyte salt comprising a fluorine-containing ether (A) represented by the formula: Rf | 01-13-2011 |
20110009644 | PROCESS FOR PREPARING FLUORINATED 1,3-DIOXOLAN 2-ONE - The present invention provides a process for preparing fluorinated 1,3-dioxolan-2-one by reacting a derivative of 1,3-dioxolan-2-one having halogen atom other than fluorine with an amine hydrofluoride in an organic solvent, and in this preparation process, fluorinated 1,3-dioxolane-2-on can be prepared in a short period of time by liquid-liquid reaction while maintaining high yield, by using a derivative of 1,3-dioxolan-2-one having halogen atom other than fluorine as a starting material and fluorinating the derivative with a fluorinating agent. | 01-13-2011 |
20110013343 | COATING COMPOSITION FOR FORMING HIGHLY DIELECTRIC FILM AND HIGHLY DIELECTRIC FILM - The present invention provides a nonporous highly dielectric film which can improve withstanding voltage, insulating property and dielectric constant, especially can decrease a dielectric loss at high temperatures and can be made thin, and a coating composition for forming the highly dielectric film comprising (A) a vinylidene fluoride resin, (B) a cellulose resin and (C) a solvent. | 01-20-2011 |
20110086229 | PERFLUOROELASTOMER COMPOSITIONS AND METHODS OF PREPARING SAME - The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a). | 04-14-2011 |
20110098511 | METHOD OF PREPARING FLUORINE-CONTAINING ETHER - There is provided a method of preparing a high purity fluorine-containing ether which inhibits a side reaction generating an unsaturated bond and assures low cost and simple steps. When preparing the fluorine-containing ether by allowing a fluorine-containing alkyl alcohol to react with a fluorinated olefin in the presence of a basic compound, a reaction is terminated at a stage before a conversion ratio of the fluorine-containing alkyl alcohol reaches 75%. | 04-28-2011 |
20110111307 | LITHIUM SECONDARY CELL - There is provided a lithium secondary cell having specifically excellent discharge capacity, rate characteristics and further cycle characteristics and improved incombustibility (safety). The lithium secondary cell comprises a negative electrode, a non-aqueous electrolytic solution and a positive electrode, in which an active material for the negative electrode comprises lithium titanate and the non-aqueous electrolytic solution comprises a fluorine-containing solvent. | 05-12-2011 |
20110118485 | PROCESS FOR PREPARING FLUOROPROPYLENE CARBONATE - There is provided a process for preparing a fluoropropylene carbonate safely at high yield by one step (one pot), and the process is characterized by allowing a fluorinating agent to act on a propylene carbonate derivative having a group to be released in a fluorination reaction. | 05-19-2011 |
20110123872 | NON-AQUEOUS ELECTROLYTIC SOLUTION - There is provided a non-aqueous electrolytic solution assuring good solubility of an electrolyte salt and having enough cell characteristics (charge and discharge cycle characteristic, discharge capacity, and the like), and the non-aqueous electrolytic solution comprises a solvent for dissolving an electrolyte salt comprising (A) at least one fluorine-containing solvent selected from the group consisting of fluorine-containing ethers and fluorine-containing carbonates, (B) a non-fluorine-containing cyclic carbonate and (C) a chain ester represented by the formula (C): R | 05-26-2011 |
20110195317 | SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY CELL - A solvent for a non-aqueous electrolytic solution providing a lithium secondary cell being specifically excellent in discharge capacity, rate characteristic and cycle characteristic and having improved incombustibility (safety), a non-aqueous electrolytic solution using the solvent, and further a lithium secondary cell are provided. The solvent for dissolving an electrolyte salt of a lithium secondary cell comprises at least one fluorine-containing solvent (I) selected from the group consisting of fluorine-containing ether, fluorine-containing ester and fluorine-containing chain carbonate, a fluorine-containing aromatic compound (II), in which a part or the whole of hydrogen atoms are replaced by fluorine atoms, and other carbonate (III), the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt, and the lithium secondary cell uses the non-aqueous electrolytic solution. | 08-11-2011 |
20110207890 | PERFLUOROELASTOMER COMPOSITION - There is provided a perfluoroelastomer composition having a low glass transition temperature and excellent cold resistance and heat resistance and comprising a perfluoroelastomer comprising a tetrafluoroethylene unit (a), a perfluoro vinyl ether unit (b) and a cure site unit (c) having nitrile group, carboxyl group and/or alkoxycarbonyl group as a cure site, wherein the perfluoro vinyl ether unit (b) is contained in an amount of 8 to 23% by mole in the perfluoroelastomer. | 08-25-2011 |
20110216477 | ELECTRICAL DOUBLE LAYER CAPACITOR - The present invention provides an electric double layer capacitor that has a high withstand voltage, is more resistant to degradation, and also has good cycle characteristics. The present invention relates to an electrolytic solution for an electric double layer capacitor, comprising: (I) a solvent for dissolving an electrolyte salt; and (II) an electrolyte salt, wherein the solvent (I) for dissolving an electrolyte salt includes propylene carbonate and at least one selected from the group consisting of a fluorine-containing chain carbonate and a fluorine-containing chain ether. The present invention also relates to an electric double layer capacitor comprising the electrolytic solution. | 09-08-2011 |
20110249374 | COMPOSITION FOR FORMING HIGH DIELECTRIC FILM FOR FILM CAPACITOR - The present invention provides a high dielectric film for a film capacitor obtained by molding a film forming composition for a film capacitor comprising a thermoplastic resin (A) and surface-treated high dielectric inorganic particles (B) obtained by treating the surfaces of high dielectric inorganic particles (b1) having a dielectric constant (20° C., 1 kHz) of 100 or more with a low dielectric compound (b2) having a dielectric constant (20° C., 1 kHz) of 10 or less. This high dielectric film for a film capacitor can restrain the decrease of electrical insulating property, in spite of the high dielectric inorganic particles being dispersed at a high filling rate. | 10-13-2011 |
20110255210 | FILM FOR FILM CAPACITOR AND FILM CAPACITOR - There is provided a thin highly dielectric film for a film capacitor being excellent in mechanical strength, in which highly dielectric inorganic particles can be blended to a dielectric resin at high ratio, and rubber particles (B) and preferably highly dielectric inorganic particles (C) are dispersed in a thermoplastic resin (A). | 10-20-2011 |
20110318638 | POSITIVE ELECTRODE MIXTURE SLURRY FOR LITHIUM SECONDARY BATTERIES, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY THAT USE SAID SLURRY - The invention provides a stable positive-electrode mixture slurry that is not subject to gelation, a positive electrode with abundant flexibility, and a lithium secondary battery with excellent battery characteristics. The slurry comprises a positive-electrode active material, a binder, and an organic solvent, the positive-electrode active material is a lithium-containing complex metal oxide represented by Formula: Li | 12-29-2011 |
20120107689 | BINDER COMPOSITION FOR ELECTRODE - The present invention provides a binder composition for an electrode. The binder composition includes PTFE particles as primary particles uniformly dispersed in an organic solvent at a high concentration. The present invention relates to a binder composition for an electrode, comprising an organosol composition containing PTFE particles (A), a polymer (B), and a fluorine-free organic solvent (C); and no electrode active material (J), wherein the polymer (B) is soluble in the fluorine-free organic solvent (C). | 05-03-2012 |
20120183867 | SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY - The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %. | 07-19-2012 |
20120237824 | POSITIVE ELECTRODE CURRENT COLLECTOR LAMINATE FOR LITHIUM SECONDARY BATTERY - The present invention provides a positive electrode current collector laminate that has the ability, even in the case of high voltage operation, to protect a positive electrode current collector from corrosion without impairing the battery characteristics, and also provides a lithium secondary battery. The positive electrode current collector laminate has an electroconductive protective layer (B) that contains a fluororesin (b1) and an electroconductive filler (b2) and is disposed on a positive electrode current collector (A), and the lithium secondary battery uses this positive electrode current collector laminate. | 09-20-2012 |
20120243145 | ELECTRIC DOUBLE LAYER CAPACITOR - An object of the present invention is to provide an electric double layer capacitor which has a high withstand voltage, and is resistant to degradation and excellent in long term reliability. Disclosed is an electrolytic solution for an electric double layer capacitor including a solvent (I) for dissolving an electrolyte salt and an electrolyte salt (II), wherein the solvent (I) for dissolving an electrolyte salt includes a sulfolane compound and a fluorine-containing chain ether. Also disclosed is an electric double layer capacitor using the electrolytic solution. | 09-27-2012 |
20120293909 | HIGH DIELECTRIC FILM - The present invention provides a high dielectric film comprising: a film-forming resin (A); and inorganic particles (B), wherein the film-forming resin (A) contains a vinylidene fluoride resin (a1), an amount of the inorganic particles (B) is not less than 0.01 parts by mass and less than 10 parts by mass for each 100 parts by mass of the film-forming resin (A), and the inorganic oxide particles (B) is at least one selected from the group consisting of: (B1) inorganic oxide particles of a metallic element of Group 2, 3, 4, 12, or 13 of the Periodic Table, or inorganic oxide composite particles of these; (B2) inorganic composite oxide particles represented by formula (1): | 11-22-2012 |
20120301794 | COMPOSITE GEL ELECTROLYTE FILM FOR SECONDARY BATTERY, AND SECONDARY BATTERY - The present invention provides a composite gel electrolyte film for a secondary battery which has improved ion conductivity and excellent ignition resistance and is insusceptible to discoloration. The present invention is a composite gel electrolyte film for a secondary battery comprising: a gel electrolyte for a secondary battery formed of an electrolyte retention film impregnated with a nonaqueous electrolyte; and a porous film formed of at least one resin selected from the group consisting of polyethylene, polypropylene, and polyimide, the electrolyte retention film containing a vinylidene fluoride copolymer resin that includes a vinylidene fluoride unit and a tetrafluoroethylene unit at a molar ratio of 55/45 to 95/5 and further includes 0 to 10 mol % of a hexafluoropropylene unit, the total of the vinylidene fluoride unit, the tetrafluoroethylene unit, and the hexafluoropropylene unit being 100 mol %. | 11-29-2012 |
20130027340 | TRANSPARENT PIEZOELECTRIC SHEET, AND TRANSPARENT PIEZOELECTRIC SHEET-WITH-A-FRAME, TOUCH PANEL, AND ELECTRONIC DEVICE EACH HAVING THE TRANSPARENT PIEZOELECTRIC SHEET - A transparent piezoelectric sheet includes a quadrilateral-shaped transparent piezoelectric film and a first transparent plate electrode. The quadrilateral-shaped transparent piezoelectric film includes an organic polymer. The quadrilateral-shaped transparent piezoelectric film has entire main surfaces that are piezoelectric. The first transparent plate electrode is layered on part of a first main surface of the main surfaces of the transparent piezoelectric film. One to three sides of the four sides of the quadrilateral shape of the transparent piezoelectric film and area(s) of the first main surface adjacent thereto are not covered by the first transparent plate electrode. | 01-31-2013 |
20130143117 | PASTE FOR FORMING CONDUCTIVE PROTECTION LAYER ON COLLECTOR LAMINATE IN NON-AQUEOUS RECHARGEABLE ELECTRICITY-STORAGE DEVICE - The present invention provides a conductive protective layer-forming paste for current collector laminates which can be used even for high voltage designs to protect current collectors from corroding without loss of cell characteristics, and a current collector laminate, an electrode laminate, and nonaqueous secondary cells (e.g. a lithium secondary cell, an electric double layer capacitor) that include a conductive protective layer formed therefrom. The paste for forming conductive protective layers for current collector protection includes: polytetrafluoroethylene; and a conductive filler (b). The current collector laminate includes: a conductive protective layer (A); and a current collector (B), the conductive protective layer (A) being formed by coating the paste for forming conductive protective layers onto the current collector (B). | 06-06-2013 |
20130188293 | FILM FOR USE IN FILM CAPACITORS, AND FILM CAPACITORS - Provided is a film for a film capacitor in which electrical insulation, and especially electrical properties at high temperatures are improved while a high dielectric constant of a vinylidene fluoride resin is maintained. The film for a film capacitor includes a tetrafluoroethylene resin (a1) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit in the vinylidene fluoride unit/tetrafluoroethylene unit ratio (mol %) of 0/100 to 49/51 as a film-forming resin (A). | 07-25-2013 |
20130222976 | ELECTROLYTE SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITOR - The present invention provides an electric double layer capacitor having a high withstanding voltage, less deterioration, and excellent long-term reliability, especially an effect of suppressing expansion. The present invention relates to an electrolyte solution for an electric double layer capacitor. The solution comprises an electrolyte-salt-dissolving solvent (I) and an electrolyte salt (II). The electrolyte-salt-dissolving solvent (I) contains a fluorine-containing chain ether and a nitrile compound. | 08-29-2013 |
20130224606 | NON-AQUEOUS ELECTROLYTE SOLUTION - The present invention directs to a non-aqueous electrolyte solution, including (I) at least one compound selected from the group consisting of fluorinated linear sulfones and fluorinated linear sulfonic acid esters, and (II) an electrolyte salt. Such a non-aqueous electrolyte solution has high oxidation resistance, minimizes its decomposition even when hydrofluoric acid is produced. Also, the solution is less likely to cause, in the case of being used for a secondary cell, swelling of the cell and lowering of the battery performance. | 08-29-2013 |
20140017560 | LITHIUM ION SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium ion secondary cell excellent in high-temperature storage characteristics and high voltage cycle characteristics; and a nonaqueous electrolyte for the cell. | 01-16-2014 |
20140023916 | ELECTROLYTIC SOLUTION - Provided is an electrolytic solution exhibiting excellent withstand voltage and satisfactory characteristics even at low and high temperatures. The invention is an electrolytic solution that includes a cyclic carbonate (I-1) represented by formula (I-1): | 01-23-2014 |
20140023938 | ELECTROCHEMICAL DEVICE AND NONAQUEOUS ELECTROLYTE SOLUTION FOR ELECTROCHEMCIAL DEVICE - The present invention aims to provide an electrochemical device excellent in high temperature storage characteristics and cycling characteristics at high voltages, and a nonaqueous electrolyte for the electrochemical device. The present invention relates to an electrochemical device including: a positive electrode; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent and an electrolyte salt, wherein the nonaqueous solvent contains a fluorinated linear carbonate represented by the formula (1): | 01-23-2014 |
20140029165 | ELECTRIC DOUBLE-LAYER CAPACITOR AND NON-AQUEOUS ELECTROLYTE FOR ELECTRIC DOUBLE-LAYER CAPACITOR - Provided is an electric double-layer capacitor excellent in long-term reliability, particularly in suppressing its expansion, and a non-aqueous electrolytic solution for the electric double-layer capacitor. The present invention relates to an electric double-layer capacitor, comprising: a positive electrode; a negative electrode; and a non-aqueous electrolytic solution that includes a non-aqueous solvent and an electrolyte salt, the non-aqueous solvent including: a fluorine-containing ether; a fluorine-containing unsaturated compound (I); and a hydroxyl group-containing compound (II), the fluorine-containing ether being represented by the formula (1): | 01-30-2014 |
20140242475 | BATTERY AND NON-AQUEOUS ELECTROLYTE - An object of the present invention is to provide a battery having excellent durability at high temperature and high voltage. The present invention is a battery including a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains (i) a compound represented by the general formula (1): | 08-28-2014 |
20150086876 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: | 03-26-2015 |
20150086877 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: | 03-26-2015 |