Patent application number | Description | Published |
20080213500 | Method for Producing Electrode Material - To provide a method for producing an electrode material which is improved in energy density and is excellent in output characteristics. The present invention provides a manufacturing method for the electrode material comprising the steps of: 1) immersing a conductive material having a specific surface area of 200 to 3000 m | 09-04-2008 |
20080300381 | Electrode Material and Electrochemical Device - To provide an electrode material excellent in output characteristics and cycle property and an electrochemical device using the electrode material. The electrode material comprising polymer complex compound represented by the following graphical formula: and the electrochemical device using the electrode material. Even if such a large size ion is employed, enhanced output characteristics could be obtained in the present invention. Polymer complex compound is polarized due to an electron attracting substituent, or steric hindrance occurs due to a substituent having a branch structure so that interval of polymer complex compound formed on the electrode is increased and doping reaction. Therefore, even if using large size ions smooth and rapid doping and undoping reaction could take place. | 12-04-2008 |
20090026085 | METHOD FOR PRODUCING ELECTRODE FOR ELECTROCHEMICAL ELEMETN AND METHOD FOR PRODUCING ELECTROCHEMICAL ELEMENT WITH THE ELECTRODE - A method for producing an electrode for an electrochemical element absorbs monomers for polymerization on a surface having a specific surface area of 100 to 3000 m | 01-29-2009 |
20100259867 | ELECTRODE FOR ELECTRIC DOUBLE LAYER CAPACITOR AND METHOD FOR PRODUCING THE SAME - An electrical double-layer capacitor electrode with excellent capacitance characteristics is obtained together with a manufacturing method therefor. | 10-14-2010 |
20120026645 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 02-02-2012 |
20130063867 | LITHIUM TITANATE NANOPARTICLES, COMPOSITE OF LITHIUM TITANATE NANOPARTICLES AND CARBON, METHOD OF PRODUCTION THEREOF, ELECTRODE MATERIAL CONSISTING OF SAID COMPOSITE, ELECTRODE, ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL CAPACITOR EMPLOYING SAID ELECTRODE MATERIAL - A mixed solvent is prepared by dissolving acetic acid and lithium acetate in a mixture of isopropanol and water. This mixed solvent together with titanium alkoxide and carbon nanofiber (CNF) were introduced into a rotary reactor, the inner tube was rotated at a centrifugal force of 66,000 N (kgms | 03-14-2013 |
20130070393 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor is impregnated with a conductive polymer dispersion solution comprising sorbitol. In the capacitor, the hydroxyl group of sorbitol acts as the oxygen source necessary for the anodic oxidation of anodic oxide film when voltage is applied to the solid electrolytic capacitor. Consequently, the oxide film is repaired and withstand voltage property is improved, which is thought to be due to the anodic oxidation that repairs the damage on the oxide film. Superior electric capacitance can further be attained by specifying the sorbitol content in the dispersion solution to be at 60-90 wt %. | 03-21-2013 |
20130095384 | COMPOSITE OF METAL OXIDE NANOPARTICLES AND CARBON, METHOD OF PRODUCTION THEREOF, ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID COMPOSITE - A composite powder in which highly dispersed metal oxide nanoparticle precursors are supported on carbon is rapidly heated under nitrogen atmosphere, crystallization of metal oxide is allowed to progress, and highly dispersed metal oxide nanoparticles are supported by carbon. The metal oxide nanoparticle precursors and carbon nanoparticles supporting said precursors are prepared by a mechanochemical reaction that applies sheer stress and centrifugal force to a reactant in a rotating reactor. The rapid heating treatment in said nitrogen atmosphere is desirably heating to 400° C.-1000° C. By further crushing the heated composite, its aggregation is eliminated and the dispersity of metal oxide nanoparticles is made more uniform. Examples of a metal oxide that can be used are manganese oxide, lithium iron phosphate, and lithium titanate. Carbons that can be used are carbon nanofiber and Ketjen Black. | 04-18-2013 |
20130115516 | LITHIUM TITANATE CRYSTAL STRUCTURE, COMPOSITE OF LITHIUM TITANATE CRYSTAL STRUCTURE AND CARBON, METHOD OF PRODUCTION THEREOF, AND ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID COMPOSITE - Highly dispersed lithium titanate crystal structures having a thickness of few atomic layers level and the two-dimensional surface in a plate form are supported on carbon nanofiber (CNF). The lithium titanate crystal structure precursors and CNF that supports these are prepared by a mechanochemical reaction that applies sheer stress and centrifugal force to a reactant in a rotating reactor. The mass ratio between the lithium titanate crystal structure and carbon nanofiber is preferably between 75:25 and 85:15. The carbon nanofiber preferably has an external diameter of 10-30 nm and an external specific surface area of 150-350 cm | 05-09-2013 |
20130180091 | ELECTRODE FOR ELECTRIC DOUBLE LAYER CAPACITOR AND METHOD FOR PRODUCING THE SAME - An electrical double-layer capacitor electrode with excellent capacitance characteristics is obtained together with a manufacturing method therefor. Paper-molded sheet of carbon nanotubes is integrated with etched foil constituting a collector, by means of bumps and indentations formed on the surface of etched foil to prepare an electrical double-layer capacitor electrode. Alternatively, carbon nanotubes grown around core catalyst particles on substrate are integrated with etched foil by means of humps and indentations formed on the surface of etched foil to prepare all electrical double-layer capacitor electrode. To manufacture these electrodes, this carbon nanotube sheet or substrate with carbon nanotubes grown thereon is laid over bumps and indentations on the surface of etched foil, and the sheet or substrate and the foil are pressed under 0.01 to 100 t/cm2 of pressure to integrate the carbon nanotubes with the etched foil. | 07-18-2013 |
20140133066 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 05-15-2014 |