Class / Patent application number | Description | Number of patent applications / Date published |
429496000 | Zirconium oxide | 22 |
20100151353 | Method of producing a gas-tight solid electrolyte layer and solid electrolyte layer - Method of producing a gas-tight solid electrolyte layer for a high-temperature fuel cell, wherein a layer is produced from a metal oxide material and metal particles are incorporated in the layer during production of the layer, the metal particles being oxidizable, and wherein the metal particles are subsequently oxidized. | 06-17-2010 |
20100233579 | ZIRCONIUM OXIDE AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a pulverulent zirconium oxide containing metal oxides from the group consisting of scandium, yttrium, rare earths and mixtures thereof, processes for producing them and their use in fuel cells, in particular for the production of electrolyte substrates for ceramic fuel cells. | 09-16-2010 |
20100279202 | ELECTRODE CATALYST AND OXYGEN REDUCTION ELECTRODE FOR CATHODE USING THE SAME - An electrode catalyst for an oxygen reduction electrode for use in a cathode of a polymer electrolyte fuel cell, produced by oxidizing ZrCN, wherein ZrCN and ZrO | 11-04-2010 |
20110027694 | Solid-oxide fuel cells with concentric laminating electrolytes in a nanoporous membrane - A solid oxide fuel cell with an electrolyte membrane having one or more layers with interfaces perpendicular to the surfaces of the membrane is provided. The layers can be deposited on vertical walls of holes in a nanoporous membrane until the layers fully fill the holes, thereby forming superlattices in the holes. The final shape of the superlattices in this example will be concentric, laminating layers as seen in a top view looking down on the membrane. According to one aspect, conventional electrodes can be deposited on both sides of the membrane for current collection and surface charge transfer reactions. | 02-03-2011 |
20110086290 | INORGANIC PROTON CONDUCTOR AND METHOD OF PREPARING INORGANIC PROTON CONDUCTOR - An inorganic proton conductor and an electrochemical device using the inorganic proton conductor, the inorganic proton conductor including a tetravalent metallic element and an alkali metal. | 04-14-2011 |
20110195343 | SOLID OXIDE FUEL CELL OR SOLID OXIDE FUEL CELL SUB-COMPONENT AND METHODS OF PREPARING SAME - A solid oxide fuel cell (SOFC) or SOFC sub-component comprising a YSZ solid oxide electrolyte layer ( | 08-11-2011 |
20110236795 | METAL-DOPED OXIDE, METHOD OF PREPARING THE SAME, AND SOLID OXIDE ELECTROLYTE USING THE METAL-DOPED OXIDE - A method of preparing a metal-doped oxide, the method including: preparing a precursor solution including a zirconium precursor or cerium precursor, a dopant metal precursor, a solvent, and a chloride salt; and heat-treating the precursor solution to prepare the metal-doped oxide. | 09-29-2011 |
20110262839 | PROTON CONDUCTING ELECTROLYTE MEMBRANES HAVING NANO-GRAIN YSZ AS PROTECTIVE LAYERS, AND MEMBRANE ELECTRODE ASSEMBLIES AND CERAMIC FUEL CELLS COMPRISING SAME - A proton conducting electrolyte membrane comprising a ceramic electrolyte layer including an inorganic proton conductor and a ceramic protective layer formed on at least one surface of the ceramic electrolyte layer and having proton conductivity; a membrane electrode assembly including the proton conducting electrolyte membrane; and a proton conducting ceramic fuel cell including the membrane electrode assembly. In the proton conducting electrolyte membrane, the ceramic protective layer may have an improved chemical bond with the ceramic electrolyte layer compared with a Pd metal protective layer, such that interlayer delamination may be lessened. Also, compared with a Pd metal protective layer, the ceramic protective layer is more appropriate for ceramic electrolytes such as BYZ and BYC that transmit protons or simultaneously transmit protons and oxygen ions used in a fuel cell operating at a temperature range of about 200 to about 500° C., for example, about 250 to about 500° C. | 10-27-2011 |
20110305972 | FUEL CELL - A fuel cell is provided that includes an anode, a cathode, a solid electrolyte layer, a barrier layer, and an intermediate layer. The solid electrolyte layer includes zirconium and is provided between the anode and the cathode. The barrier layer includes cerium and is provided between the solid electrolyte layer and the cathode. The intermediate layer includes zirconium and cerium, and has a first surface facing the solid electrolyte layer, a second surface facing the barrier layer, and pores. The pore ratio of the intermediate layer is higher than the pore ratio of the barrier layer. | 12-15-2011 |
20110305973 | FUEL CELL - A fuel cell is provided that includes an anode, a cathode, a solid electrolyte layer, a barrier layer, and an buffer layer. The solid electrolyte layer includes zirconium and is provided between the anode and the cathode. The barrier layer includes cerium and is provided between the solid electrolyte layer and the cathode. The barrier layer has pores. The buffer layer includes zirconium and cerium and is provided between the barrier layer and the solid electrolyte layer. The barrier layer has a first barrier layer provided near to the buffer layer with a first pore ratio and a second barrier layer provided between the first barrier layer and the cathode with a second pore ratio. The first pore ratio of the first barrier layer is larger than the second pore ratio of the second barrier layer. | 12-15-2011 |
20120003565 | ANODE-SUPPORTED SOLID OXIDE FUEL CELL COMPRISING A NANOPOROUS LAYER HAVING A PORE GRADIENT STRUCTURE, AND A PRODUCTION METHOD THEREFOR - The present invention relates to a solid oxide fuel cell having a gradient structure in which pore size becomes gradually smaller from a porous electrode to an electrolyte thin film in order to form a dense electrolyte thin film of less than about 2 microns and preferably less than 1 micron on the porous electrode. | 01-05-2012 |
20120094214 | PRODUCTION OF SELF-SUPPORTING CERAMIC MATERIALS HAVING A REDUCED THICKNESS AND CONTAINING METAL OXIDES - The present invention relates to a method for manufacturing a metal-oxide-based ceramic, including, in order, the step of inserting, into a flash sintering device, a nanocrystalline powder comprising crystallites and crystallite agglomerates of a ceramic of formula, Zr | 04-19-2012 |
20120141917 | PROTON CONDUCTING SOLID OXIDE ELECTROLYTE MEMBRANE, MEA AND FUEL CELL INCLUDING THE MEMBRANE, AND METHOD OF PREPARING THE MEMBRANE - A proton-conducting solid oxide electrolyte membrane includes a nanoporous layer including a plurality of nanopores that penetrate from one surface to the other, and at least one proton conducting layer that fills the plurality of nanopores to have an interface in a direction perpendicular to either surface of the nanoporous layer. | 06-07-2012 |
20120308915 | CATHODE MATERIAL FOR FUEL CELL, CATHODE INCLUDING THE CATHODE MATERIAL, SOLID OXIDE FUEL CELL INCLUDING THE CATHODE - A cathode material for a fuel cell, the cathode material including a first metal oxide having a perovskite structure; and a second metal oxide having a spinel structure. | 12-06-2012 |
20130034796 | ELECTROLYTE SHEET FOR SOLID OXIDE FUEL CELL, METHOD OF PRODUCING THE SAME, SINGLE CELL FOR SOLID OXIDE FUEL CELL, AND SOLID OXIDE FUEL CELL - The electrolyte sheet for solid oxide fuel cell of the present invention has different surface roughnesses between the peripheral region and the region other than the peripheral region at least on one side. The surface roughness Ra(b) in the peripheral region is at least 0.05 μm and less than 0.3 μm. The surface roughness Ra(i) in the region other than the peripheral region is at least 0.2 μm and at most 1.2 μm. And, the ratio of Ra(i) to Ra(b) (Ra(i)/Ra(b)) is more than 1 and at most 4. Here, the surface roughness Ra(b) and the surface roughness Ra(i) are arithmetic mean roughness values and determined by an optical and laser-based non-contact three-dimensional profile measuring device in accordance with a German standard ‘DIN-4768’. | 02-07-2013 |
20130189605 | CERIA-BASED COMPOSITION, CERIA-BASED COMPOSITE ELECTROLYTE POWDER, METHOD FOR SINTERING THE SAME AND SINTERED BODY MADE THEREOF - Provided are a ceria-based composition including ceria or metal-doped ceria, lithium salt, and optionally, bismuth oxide, ceria-based composite electrolyte powder, and a sintering method and sintered body using the same. Particularly, the lithium salt is present in an amount more than | 07-25-2013 |
20140051010 | Phase Stable Doped Zirconia Electrolyte Compositions with Low Degradation - A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode. The electrolyte and/or electrode composition includes zirconia stabilized with (i) scandia, (ii) ceria, and (iii) at least one of yttria and ytterbia. The composition does not experience a degradation of ionic conductivity of greater than 15% after 4000 hrs at a temperature of 850° C. | 02-20-2014 |
20140212789 | IONIC ELECTROLYTE MEMBRANE STRUCTURE METHOD FOR ITS PRODUCTION AND SOLID OXIDE FUEL CELL MAKING USE OF IONIC ELECTROLYTE MEMBRANE STRUCTURE - To provide an ionic electrolyte membrane structure that enables contact between the air pole and the fuel pole in which structure an edge face of the interface between an ion conducting layer and an ion non-conducting layer stands bare on a plane, an ionic electrolyte membrane structure which transmits ions only is made up of i) a substrate having a plurality of pores which have been made through the substrate in the thickness direction thereof and ii) a plurality of multi-layer membranes each comprising an ion conducting layer formed of an ion conductive material and an ion non-conducting layer formed of an ion non-conductive material which have alternately been formed in laminae a plurality of times on each inner wall surface of the pores of the substrate in such a way that the multi-layer membranes fill up the pores completely; the ions only being transmitted in the through direction by way of the multi-layer membranes provided on the inner wall surfaces of the pores. | 07-31-2014 |
20150044597 | SOLID ELECTROLYTE, METHOD FOR MANUFACTURING SOLID ELECTROLYTE, SOLID ELECTROLYTE LAMINATE, METHOD FOR MANUFACTURING SOLID ELECTROLYTE LAMINATE, AND FUEL CELL - Provided is a solid electrolyte made of yttrium-doped barium zirconate having hydrogen ion conductivity, a doped amount of yttrium being 15 mol % to 20 mol %, and a rate of increase in lattice constant at 100° C. to 1000° C. with respect to temperature changes being substantially constant. Also provided is a method for manufacturing the solid electrolyte. This solid electrolyte can be formed as a thin film, and a solid electrolyte laminate can be obtained by laminating electrode layers on this solid electrolyte. This solid electrolyte can be applied to an intermediate temperature operating fuel cell. | 02-12-2015 |
20150050580 | Electrochemical Device Comprising A Proton-Conducting Ceramic Electrolyte - The invention relates to the use of a ceramic of formula Ba | 02-19-2015 |
20160003767 | PROTON-CONDUCTING OXIDE - The present invention provides a proton-conducting oxide comprising a perovskite crystal structure represented by a composition formula A | 01-07-2016 |
20160204444 | Triple Conducting Cathode Material for Intermediate Temperature Protonic Ceramic Electrochemical Devices | 07-14-2016 |