Patent application number | Description | Published |
20100107404 | METHOD OF PRODUCING FUEL CELL CATALYST LAYER - Provided is a method of producing a fuel cell catalyst layer which has a large specific surface area and high activity and which includes the steps of: forming a dendritic structural member including a catalyst precursor by a vapor phase method; providing a coating layer on a surface of the dendritic structural member; and subjecting the dendritic structural member having the coating layer provided thereon to a reduction treatment. The dendritic structural member including a catalyst precursor is a dendritic structural member including platinum oxide or a dendritic structural member containing a composite oxide of platinum oxide and an element except platinum. | 05-06-2010 |
20110003216 | FUEL CELL AND FUEL CELL SYSTEM - The fuel cell according to the present invention includes a membrane electrode assembly, two diffusion layers, an oxygen supplying layer, a water-absorbing layer, and a current collector. An end portion of the water-absorbing layer is located on a plane including an opening portion or on the fuel cell-side with respect to the plane. A length from one end portion to the other end portion of a part of the oxygen supplying layer which contacts the water-absorbing layer in a cross section of the fuel cell taken along a surface which includes the water-absorbing layer and which is perpendicular to the plane is shorter than a length from one end portion to the other end portion of the water-absorbing layer including a part of the water-absorbing layer which contacts the oxygen supplying layer in the cross section. | 01-06-2011 |
20110205285 | INKJET RECORDING INK - An inkjet recording ink having a surface tension of 34 mN/m or more is provided. The inkjet recording ink contains an anionic self-dispersion pigment having an anionic functional group, a salt, and a water-soluble compound having a hydrophilicity/hydrophobicity coefficient of 0.26 or more. The ink contains a larger amount of cesium ion than the amount of the anionic functional group. The hydrophilicity/hydrophobicity coefficient is defined by equation (A). | 08-25-2011 |
20110227976 | INK JET RECORDING INK, INK JET IMAGE FORMING METHOD AND INK JET RECORDING APPARATUS - The invention provides an ink jet recording ink containing a self-dispersion pigment to a surface of which an anionic functional group represented by the following general formula (1) is bonded directly or through another atomic group, an ammonium salt of an organic carboxylic acid, water, and a water-soluble compound having a hydrophilicity-hydrophobicity coefficient of 0.26 or more as defined by the following equation (A), the ink having a surface tension of 34 mN/m or less, | 09-22-2011 |
20110234667 | INK JET IMAGE FORMING METHOD AND INK JET RECORDING APPARATUS - An ink jet image forming method, wherein an ink is applied to plain paper in a fixed amount of 0.5 to 6.0 pl, contains a self-dispersion pigment, an organic carboxylic acid salt, water and a water-soluble compound having a hydrophilicity-hydrophobicity coefficient of 0.26 or more, and has a surface tension of 34 mN/m or less, and when the total amount of inks applied to a fundamental matrix for forming an image is 5.0 pl/cm | 09-29-2011 |
20120127234 | AQUEOUS INK - The present invention relates to an aqueous ink having a surface tension of 34 mN/m or less including a self-dispersion pigment and water. In the aqueous ink, the self-dispersion pigment has a plurality of pKa values that are 8.0 or less. Assuming that the lowest pKa value among the plurality of pKa values is pKa | 05-24-2012 |
20120194621 | INK-JET RECORDING METHOD - Aspects of the present invention provide an ink-jet recording method including the step of applying an ink to a recording medium by discharging the ink from a recording head by action of thermal energy and the step of fixing the ink to the recording medium by heating the ink applied to the recording medium. The ink contains water, a self-dispersing pigment, and resin particles. The resin particles have a glass transition temperature of not less than 25° C., an average particle diameter of 70 nm or more and 220 nm or less, and an acid value of 25 mg KOH/g or more and 150 mg KOH/g or less. | 08-02-2012 |
20130095376 | ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY - An electrode active material for a secondary battery includes a radical compound represented by formula (1): | 04-18-2013 |