Class / Patent application number | Description | Number of patent applications / Date published |
429497000 | Tubular-shaped solid electrolyte | 11 |
20100227255 | Cell module for fuel cell, method for forming cell module, and fuel cell - A cell module for a fuel cell according to embodiments of the invention includes a hollow-core electrolyte membrane; and two electrodes one of which is arranged on the inner face of the hollow-core electrolyte membrane and the other of which is arranged on the outer face of the hollow-core electrolyte membrane. At least one of the two electrodes includes nano-columnar bodies, which are oriented toward the hollow-core electrolyte membrane, and on which electrode catalysts are supported. | 09-09-2010 |
20110039187 | Manufacturing Method of Solid Oxide Fuel Cell - Provided is a manufacturing method of a disc type solid oxide fuel cell; and, more particularly, to a manufacturing method of a disc type solid oxide fuel cell, in which each element is stacked on a supporting member, thereby improving stacking efficiency and also reducing a size of the fuel cell, and in which a unit cell is sinter-bonded with a metal supporter and the metal supporter is welded to a separating plate, thereby improving durability and sealing ability. | 02-17-2011 |
20110053045 | SOLID OXIDE FUEL CELL AND METHOD OF MANUFACTURING THE SAME - Disclosed is a solid oxide fuel cell, including a polygonal tubular support an outer surface of which has a plurality of planes, a plurality of unit cells respectively formed on the plurality of planes of the tubular support, inner connectors for connecting the plurality of unit cells in series, and a pair of outer connectors for connecting the plurality of unit cells connected in series to a current collector, so that respective unit cells are connected in series on the planes of the tubular support, thus exhibiting excellent cell performance and high power density per unit volume, and maintaining high voltage upon collection of current to thereby reduce power loss due to electrical resistance. A method of manufacturing the solid oxide fuel cell is also provided. | 03-03-2011 |
20110053046 | STRUCTURE OF SOLID OXIDE FUEL CELL - Disclosed is a structure of a solid oxide fuel cell, including a porous tubular anode support having a plurality of through holes, and an electrolyte layer and a cathode layer sequentially formed on the inner surface of the tubular anode support, so that fuel flows via the plurality of through holes and air flows through the inside of the cathode layer, thus increasing a diffusion rate of fuel and air to thereby increase the reaction rate, resulting in excellent cell performance. This structure eliminates the flow of fuel and air around the outside of the fuel cell, thus preventing the formation of an oxidizing atmosphere at the inside and outside of the tubular cell, thereby increasing lifespan of the cell and ensuring cell reliability. | 03-03-2011 |
20110059388 | SOLID OXIDE FUEL CELL AND SOLID OXIDE FUEL CELL BUNDLE - Disclosed is a solid oxide fuel cell bundle, including a plurality of fuel cells each having a polygonal tubular support an outer surface of which has a plurality of planes, an outer connector formed on one plane among the plurality of planes of the tubular support, a plurality of unit cells respectively formed on two or more remaining planes of the tubular support except for the one plane, and inner connectors for connecting the unit cells and the outer connector in series, wherein the fuel cells is connected in series in such a manner that the outer connector of a fuel cell is bonded to the unit cell of an additional fuel cell, and the unit cells are connected in series, thus exhibiting excellent cell performance and high power density per unit volume, and maintaining high voltage upon collection of current to thereby reduce power loss due to electrical resistance. | 03-10-2011 |
20110065022 | SOLID OXIDE FUEL CELL - Disclosed herein is a solid oxide fuel cell, including: one or more unit cells, each being provided with a ceramic tubular support; a metal layer which is formed on an outer circumference of one end of each of the unit cells and collects a first electric current; a metal foam which is formed in each of the unit cells and collects a second electric current; and a manifold which is connected with one end of each of the unit cells to receive the first current collected in the metal layer and which is connected with the other end of each of the unit cells to receive the second current collected in the metal foam. The solid oxide fuel cell is advantageous in that since the metal foam and metal tube are employed, an additional current collector is not required, and the electric current generated from an internal electrode can be easily collected through a manifold by connecting the metal foam and metal tube with the manifold. | 03-17-2011 |
20120129078 | FUEL CELL MODULE WITH COMBINED CURRENT COLLECTOR - A fuel cell module having a composite collector includes a hollow, cylindrical unit cell including a first electrode layer, an electrolyte layer, and a second electrode layer arranged in a radial direction of the hollow, cylindrical unit cell; a current collector including a metal material mesh or conducting line located on an outer circumference of the second electrode layer; and a plurality of auxiliary current collectors including ceramic material powders located on a surface of the current collector. | 05-24-2012 |
20130011767 | STRUCTURE OF SOLID OXIDE FUEL CELL - Disclosed is a structure of a solid oxide fuel cell, including a porous tubular anode support having a plurality of through holes, and an electrolyte layer and a cathode layer sequentially formed on the inner surface of the tubular anode support, so that fuel flows via the plurality of through holes and air flows through the inside of the cathode layer, thus increasing a diffusion rate of fuel and air to thereby increase the reaction rate, resulting in excellent cell performance. This structure eliminates the flow of fuel and air around the outside of the fuel cell, thus preventing the formation of an oxidizing atmosphere at the inside and outside of the tubular cell, thereby increasing lifespan of the cell and ensuring cell reliability. | 01-10-2013 |
20130122400 | FUEL CELL - Disclosed herein is a fuel cell including a unit cell having a electrolytic layer, a first electrode layer formed inside the electrolytic layer, and a second electrode layer formed outside the electrolytic layer. The fuel cell further includes an inner tube positioned inside the unit cell and extending in a longitudinal direction of the unit cell, the inner tube configured to fluidly connect the unit cell with another unit cell, and the inner tube having a variable outer diameter along the longitudinal direction of the unit cell. The fuel cell may be configured to improve fuel or oxidizer flow efficiency. The fuel cell may be configured to maintain flow rate for and improve rection time of fuel or oxidizer during operation of the fuel cell. | 05-16-2013 |
20130171542 | GAS DECOMPOSITION COMPONENT, POWER GENERATION APPARATUS, AND METHOD FOR DECOMPOSING GAS - A gas decomposition component includes a cylindrical membrane electrode assembly (MEA) including a first electrode layer, a cylindrical solid electrolyte layer, and a second electrode layer in order from an inside toward an outside, in a layered structure, wherein an end portion of the cylindrical MEA is sealed, a gas guide pipe is inserted through another end portion of the cylindrical MEA into an inner space of the cylindrical MEA to form a cylindrical channel between the gas guide pipe and an inner circumferential surface of the cylindrical MEA, and a gas flowing through the gas guide pipe toward the sealed portion is made to flow out of the gas guide pipe in a region near the sealed portion so that a flow direction of the gas is reversed and the gas flows through the cylindrical channel in a direction opposite to the flow direction in the guide pipe. | 07-04-2013 |
20140295319 | FUEL CELL DEVICE AND SYSTEM - A fuel cell device is provided having an active central portion with an anode, a cathode, and an electrolyte therebetween. At least three elongate portions extend from the active central portion, each having a length substantially greater than a width transverse thereto such that the elongate portions each have a coefficient of thermal expansion having a dominant axis that is coextensive with its length. A fuel passage extends from a fuel inlet in a first elongate portion into the active central portion in association with the anode, and an oxidizer passage extends from an oxidizer inlet in a second elongate portion into the active central portion in association with the cathode. A gas passage extends between an opening in the third elongate portion and the active central portion. For example, the passage in the third elongate portion may be an exhaust passage for the spent fuel and/or oxidizer gasses. | 10-02-2014 |