Patent application number | Description | Published |
20090110993 | Segmented solid oxide fuel cell stack and methods for operation and use thereof - Disclosed is a segmented modular solid oxide fuel cell device having a plurality of independently controllable electrical power producing segments disposed within a common thermal environment. Also disclosed are methods for selectively operating one or more segments of the disclosed segmented modular solid oxide fuel cell device. Also disclosed are methods for performing a maintenance process on one or more segments of a segmented modular fuel cell device during fuel cell operation. | 04-30-2009 |
20090220733 | Dispersion-toughened cordierite for filter and substrate applications - A porous ceramic substrate includes a first phase of microcracked cordierite ceramic material and a second phase of non-cordierite metal oxide particles dispersed in the cordierite ceramic, wherein at least a portion of the interface between the first and second phases is wetted by glass and the particles of the second phase have a size in the range of from about 0.1 to about 10 μm. A method for toughening a porous microcracked cordierite ceramic includes the steps of providing a cordierite batch composition; adding to the cordierite batch composition at least one non-cordierite forming metal oxide or metal oxide precursor; mixing the batch composition with a pore former, binder, and water into a paste; shaping the paste into a green body; firing the green body; and annealing the fired green body at a temperature below the firing temperature to form a toughened cordierite ceramic honeycomb having a second phase of crystallized non-cordierite particles dispersed within the cordierite ceramic, wherein at least a portion of the interface between the first and second phases is wetted by glass. | 09-03-2009 |
20090220734 | Anisotropic Porous Ceramic Article And Manufacture Thereof - An aluminum titanate-based ceramic is provided having an anisotropic microstructure which includes the reaction products of a plurality of ceramic-forming precursors. The batch contains at least one precursor in fibrous form. The inorganic ceramic has low thermal expansion. Porous ceramic bodies and the method of manufacture are also provided. | 09-03-2009 |
20090297923 | SOL-GEL DERIVED HIGH PERFORMANCE CATALYST THIN FILMS FOR SENSORS, OXYGEN SEPARATION DEVICES, AND SOLID OXIDE FUEL CELLS - A method of forming a sol-gel derived catalyst thin film on an electrolyte substrate includes forming a cathode precursor sol and/or composite cathode slurry, depositing the cathode precursor sol or slurry on the electrolyte and drying the deposited film to form a green film, and heating the green film to form a sol-gel derived catalyst thin film. An electrochemical cell such as a solid oxide fuel cell can include the sol-gel derived catalyst thin film. | 12-03-2009 |
20090301898 | Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface - Described herein are methods for diminishing or preventing in electrochemical operating systems the deposition of a metal oxide on an electrode surface. The metal oxide is formed by electrochemically assisted reduction of volatile metal oxides formed from a metallic component exposed to oxidative environments. In one example, described herein are methods for diminishing or preventing poisoning of a cathode by applying a negative protection potential to the metallic component. In another example, described herein are methods for diminishing or preventing the deposition of a metal oxide on a cathode surface by removing oxygen from the metallic component itself and thereby decreasing the amount of released volatile oxide from the metallic component by use of an auxiliary oxygen pump cell. In another example, described herein is a method for diminishing or preventing the formation of volatile suboxides formed from a component composed of an oxide species by reduction in a fuel chamber or reducing environment, which includes applying a positive protection potential to the component. | 12-10-2009 |
20100147348 | Titania-Half Metal Composites As High-Temperature Thermoelectric Materials - A multiphase thermoelectric material includes a titania-based semiconducting phase and a half-metal conducting phase. The multiphase thermoelectric material is advantageously a nanocomposite material wherein the constituent phases are uniformly distributed and have crystallite sizes ranging from about 10 nm to 800 nm. The titania-based semiconducting phase can be a mixture of sub-stoichiometric phases of titanium oxide that has been partially reduced by the half-metal conducting phase. Methods of forming a multiphase thermoelectric material are also disclosed. | 06-17-2010 |
20100167444 | FABRICATION METHOD FOR THERMOELECTRIC DEVICE - A method for fabricating thermoelectric device is provided. The method comprises placing a first electrode in a die, forming a first interlayer on an upper surface of the first electrode; positioning a separating plate on an upper surface of the first interlayer to divide an inner space of the die into a plurality of cells, and depositing a first thermoelectric material on the first interlayer within a first fraction of the cells, and depositing a second thermoelectric material on the first interlayer within a second fraction of the cells, sintering the die contents, and removing the separating plate after sintering to obtain a π shaped thermoelectric device. | 07-01-2010 |
20110006249 | THERMOELECTRIC COMPOSITE MATERIAL AND METHOD OF PRODUCING THE SAME - A process for making a composite material and the composite materials having thermoelectric properties | 01-13-2011 |
20110130276 | Reticular Cordierite Composition, Article And Manufacture Thereof - A porous ceramic material is disclosed having a principal cordierite phase, the porous ceramic material exhibiting a normalized strength greater than 20 MPa. The cordierite phase has a reticular microstructure. A method for forming a porous ceramic body having a predominant phase of cordierite is provided which includes forming a body from a plasticized mixture of inorganic ceramic-forming ingredients that include a magnesia source, a silica source, and an alumina source, the alumina source including alumina-containing elongated particles, wherein at least 90 wt % of the alumina-containing elongated particles have a length of 50 to 150 μm, and then firing the body. | 06-02-2011 |
20110229794 | Composite Cathode for Use in Solid Oxide Fuel Cell Devices - Disclosed are composite electrodes for use in a solid oxide fuel cell devices. The electrodes are comprised of a sintered mixture of lanthanum strontium ferrite phase and yttria stabilized zirconia phase. The lanthanum strontium ferrite phase has the general formula (La | 09-22-2011 |
20110311421 | EXHAUST GAS TREATMENT SYSTEM INCLUDING A THERMOELECTRIC GENERATOR - An after-treatment device for an automotive engine includes a substrate having a thermoelectric generation element disposed in an interior volume thereof. The substrate has a first end, a second end, and an outermost lateral dimension that defines an interior volume, and is configured to flow engine exhaust gas from the first end to the second end such that the flowing exhaust gas is in thermal contact with the thermoelectric generation element. | 12-22-2011 |
20120180842 | THERMOELECTRIC DEVICE, ELECTRODE MATERIALS AND METHOD FOR FABRICATING THEREOF - A thermoelectric device, a method for fabricating a thermoelectric device and electrode materials applied to the thermoelectric device are provided according to the present invention. The present invention is characterized in arranging thermoelectric material power, interlayer materials and electrode materials in advance according to the structure of thermoelectric device; adopting one-step sintering method to make a process of forming bulked thermoelectric materials and a process of combining with electrodes on the devices to be completed simultaneously; and obtaining a π shape thermoelectric device finally. Electrode materials related to the present invention comprise binary or ternary alloys or composite materials, which comprise at least a first metal selected from Cu, Ag, Al or Au, and a second metal selected from Mo, W, Zr, Ta, Cr, Nb, V or Ti. The present invention simplifies fabricating procedures, reduces the cost and avoids adverse impacts due to exposing related elements to heat and pressure for a second time. | 07-19-2012 |
20120297830 | METHOD FOR CONTROLLING ALUMINUM TITANATE CERAMIC FILTER PROPERTIES - A method for improving the thermo-mechanical properties of an aluminum-titanate composite, the composite including at least one of strontium-feldspar, mullite, cordierite, or a combination thereof, including:
| 11-29-2012 |
20130026427 | REDUCED OXIDES HAVING LARGE THERMOELECTRIC ZT VALUES - Doped and partially-reduced oxide (e.g., SrTiO | 01-31-2013 |
20130126800 | NIOBIUM OXIDE-BASED THERMOELECTRIC COMPOSITES - A thermoelectric oxide material having at least one family of periodic planar crystallographic defects, where the planar defect interspacings match a significant fraction of the phonon dispersion (free path distribution) in the oxide material. As an example, a sub-stoichiometric, composite thermoelectric oxide material can be represented by the formula NbO | 05-23-2013 |
20130240801 | REDUCED OXIDES HAVING LARGE THERMOELECTRIC ZT VALUES - Doped and partially-reduced oxide (e.g., SrTiO | 09-19-2013 |
20130323110 | P-TYPE SKUTTERUDITE MATERIAL AND METHOD OF MAKING THE SAME - The disclosure relates to a p-type skutterudite material and a method of making the same, comprising providing a p-type skutterudite material having a general formula: I | 12-05-2013 |
20140096685 | EXHAUST GAS TREATMENT SYSTEM INCLUDING A THERMOELECTRIC GENERATOR - An after-treatment device for an automotive engine includes a substrate having a thermoelectric generation element disposed in an interior volume thereof. The substrate has a first end, a second end, and a lateral dimension that define an interior volume, and is configured to flow engine exhaust gas from the first end to the second end such that the flowing exhaust gas is in thermal contact with the thermoelectric generation element. | 04-10-2014 |
20140150413 | TROUGH FILTER WITH INTEGRATED THERMOELECTRIC GENERATOR, VEHICLE INCLUDING TROUGH FILTER, AND METHOD OF TREATING EXHAUST GAS - A trough filter integrated with a thermoelectric generator includes annular filter modules having a support structure at its inner circumference, a filter element, and a support structure at its outer circumference. The filter elements may be configured to form troughs. An annular exhaust gas outlet channel or gas inlet channel may be formed between filter modules. The thermoelectric generator may be positioned in the exhaust gas outlet or inlet channel. A vehicle includes the trough filter integrated with a thermoelectric generator downstream from an internal combustion engine. A method of treating exhaust gas uses a trough filter with an integrated thermoelectric generator. | 06-05-2014 |
20140338296 | POROUS CERAMIC ARTICLE AND METHOD OF MANUFACTURING THE SAME - The present disclosure relates to porous ceramic articles and a method of making the same. The porous ceramic articles have microstructure of sinter bonded or reaction bonded large pre-reacted particles and pore network structure exhibiting large pore necks. The method of making the porous ceramic articles involves using pre-reacted particles having one or more phases. A plastic ceramic precursor composition is also disclosed. The composition includes a mixture of at least one of dense, porous, or hollow spheroidal pre-reacted particles and a liquid vehicle. | 11-20-2014 |
20140339744 | POROUS CERAMIC ARTICLE AND METHOD OF MANUFACTURING THE SAME - The present disclosure relates to porous ceramic articles and a method of making the same. The porous ceramic articles have microstructure of sinter bonded or reaction bonded large pre-reacted particles and pore network structure exhibiting large pore necks. The method of making the porous ceramic articles involves using pre-reacted particles having one or more phases. A plastic ceramic precursor composition is also disclosed. The composition includes a mixture of at least one of dense, porous, or hollow spheroidal pre-reacted particles and a liquid vehicle. | 11-20-2014 |
20140342898 | POROUS CERAMIC ARTICLE AND METHOD OF MANUFACTURING THE SAME - The present disclosure relates to porous ceramic articles and a method of making the same. The porous ceramic articles have microstructure of sinter bonded or reaction bonded large pre-reacted particles and pore network structure exhibiting large pore necks. The method of making the porous ceramic articles involves using pre-reacted particles having one or more phases. A plastic ceramic precursor composition is also disclosed. The composition includes a mixture of at least one of dense, porous, or hollow spheroidal pre-reacted particles and a liquid vehicle. | 11-20-2014 |