Patent application number | Description | Published |
20090023030 | Manufacturing Method of Anode for Solid Oxide Fuel Cell, Anode, and Solid Oxide Fuel Cell - The present invention relates to a manufacturing method of an anode for a solid oxide fuel cell (SOFC), an anode, and a SOFC, in which an anode is formed by stacking sheets having a plurality of holes, and the holes are used as gas diffusion paths through which fuel gas can be facilely diffused, and some of the holes are filled with a reinforcement member or a current collecting member, thereby improving a cell strength and increasing a current collecting performance and thus an efficiency of the SOFC. | 01-22-2009 |
20090029218 | Fabrication Method of Anode and Electrolyte in Solid Oxide Fuel Cell - The present invention relates to a fabrication method of a solid oxide fuel cell. The fabrication method of a fuel electrode and electrolyte of a solid oxide fuel cell (SOFC) in which a sheet cell including a fuel electrode sheet and an electrolyte sheet is positioned at an upper side of a surface of a fuel electrode pellet, includes the steps of (a) molding and heat-treating powder, in which a fuel electrode material is mixed with a pore forming agent, so as to prepare a fuel electrode pellet; (b) stacking the fuel electrode sheet containing the fuel electrode material and the electrolyte sheet containing an electrolyte material so as to prepare the sheet cell; and (c) coating an adhesive slurry containing the fuel electrode material on the sheet cell or the pellet and adhering the fuel electrode sheet of the sheet cell and the pellet and then heat-treating it. | 01-29-2009 |
20090029222 | Fuel cell with structured gas diffusion layer and manufacturing method of gas diffusion layer - A cell for a fuel cell comprises an electrolyte layer, a catalyst layer and a gas diffusion layer formed to be contacted to both sides of the electrolyte layer, an anode contacting hydrogen, and a cathode contacting oxygen and air, cations being transferred through the electrolyte layer or the operating temperature being equal to or less than 100° C., characterized in that the cell for the fuel cell has hollow portions hollowed up and down inside the gas diffusion layer. The manufacturing method uses a mold having the specific pattern to form the hollow portion in the gas diffusion layer using the micro needle or the micro lens so that the diffusion resistance inside the gas diffusion layer is lowered, making it possible to smoothly move fuel and reactants through the hollow portion and the reaction is smoothly performed even in a situation where fuel partial pressure is low. | 01-29-2009 |
20090035635 | Combination Structure Between Single Cell and Interconnect of Solid Oxide Fuel Cell - The present invention relates to a combination structure of a solid oxide fuel cell between an electrode and an interconnect in which the electrode and interconnect are sinter-joined to each other by using slurry in a status that a conventional current collector is excluded, thereby improving a strength and a sealing efficiency. The combination structure between a single cell and an interconnect of a solid oxide fuel cell which comprises electrolyte, and an anode and a cathode which are respectively contacted with both sides of the electrolyte; and an interconnect which are formed at both sides of the single cell and has a cathode passage for supplying air to the cathode and an anode passage for supplying fuel to the anode, is characterized by that one or both sides of the single cell are directly combined with the interconnect. | 02-05-2009 |
20090035636 | Solid oxide fuel cell - The present invention relates to a solid oxide fuel cell in which an anode is formed with a hollow portion, and the hollow portion may be used as a gas diffusion path, thereby improving gas diffusion performance, and the hollow portion may be also used as a reinforcement hole for reinforcing a strength or a current collecting hole for increasing a current collecting efficiency, thereby improving a cell strength and also increasing an efficiency of producing electric energy. The solid oxide fuel cell has an electrolyte layer; an anode; a cathode; and a hollow portion formed in the anode. | 02-05-2009 |
20090035637 | Anode supported solid oxide fuel cell - The present invention relates to a solid oxide fuel cell in which an anode is formed with a current collecting hole and a reinforcement hole, and a current collecting member and a reinforcement member are respectively in the current collecting hole and reinforcement hole, thereby increasing a current collecting efficiency and thus an efficiency of producing electric energy and also improving a cell strength. The solid oxide fuel cell has an electrolyte layer; an anode and a cathode formed to be contacted with both surfaces of the electrolyte layer; a current collecting hole formed in the anode; and a current collecting member inserted into the current collecting hole. | 02-05-2009 |
20100021779 | SOLID OXIDE FUEL CELL SYSTEM INTEGRATED WITH REFORMER - The present invention relates to a solid oxide fuel cell, in which an external reformer is integrated with a solid oxide fuel cell stack, thereby efficiently controlling heat and simplifying a system structure thereof. | 01-28-2010 |
20100062302 | METAL SUPPORT AND SOLID OXIDE FUEL CELL INCLUDING THE SAME - Disclosed are a metal support for a solid oxide fuel cell and the solid oxide fuel cell including the metal support. The metal support is coupled to a separator of the solid oxide fuel cell by welding and supports one surface of a unit cell comprising a fuel electrode, an air electrode, and an electrolyte layer interposed between the fuel and air electrodes, wherein the metal support is in the form of a plate and has a welding portion welded to the separator on the outer circumference thereof and a hollow portion surrounded by the welding portion to allow a fuel gas or air to flow therethrough. The use of the metal support increases the mechanical strength of the solid oxide fuel cell, resulting in improved durability and extended service life of the solid oxide fuel cell. In addition, the metal support ensures a smooth flow of the fuel gas or air, resulting in an increase in the sealing efficiency and energy production efficiency of the solid oxide fuel cell. | 03-11-2010 |
20100062303 | METAL-SUPPORTED SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD THEREOF - Disclosed are a metal-supported solid oxide fuel cell and a method for manufacturing the metal-supported solid oxide fuel cell. The method includes: fixedly joining a metal support to one surface of a unit cell including a fuel electrode, an air electrode and an electrolyte layer interposed between the fuel and air electrodes to fabricate a metal-supported unit cell (S | 03-11-2010 |
20100104897 | FUEL PROCESSING METHOD FOR SOLID OXIDE FUEL CELL SYSTEM - A fuel processing method performed in a solid oxide fuel cell system can completely remove a hydrocarbon remaining in a reformed gas, thereby preventing deteriorated fuel cell performance. The method comprises (a) removing sulfur from a hydrocarbon-based fuel and obtaining hydrogen-rich reformed gas using a desulfurizer that removes the sulfur and a primary-reformer that reforms the hydrocarbon-based fuel to generate the hydrogen-rich reformed gas; and (b) selectively decomposing a low carbon hydrocarbon of C | 04-29-2010 |
20100104899 | UNIFIED FUEL PROCESSING REACTOR FOR SOLID OXIDE FUEL CELL - A unified fuel processing reactor for a solid oxide fuel cell can reform hydrocarbon-based fuel into hydrogen-rich gas, remove a sulfur component, and convert non-converted fuel and a low carbon (C | 04-29-2010 |
20100186220 | FABRICATION METHOD OF METAL SUPPORTED SOLID OXIDE FUEL CELL - Provided is a fabrication method of a metal supported solid oxide fuel cell (SOFC) which comprises a metal supporter, and an anode layer, an electrolyte and a cathode layer stacked in turn on the metal supporter. The fabrication method includes forming the anode layer and the electrolyte on the metal supporter; forming the green cathode layer by coating on the electrolyte a cathode slurry containing a cathode material; and in-situ sintering the green cathode layer by a normal operation of the metal supported SOFC. | 07-29-2010 |
20110039186 | Disc Type Solid Oxide Fuel Cell - Provided is a disc type solid oxide fuel cell; and, more particularly, to 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 |
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 |
20110104524 | Visualization Apparatus for Transparent PEMFC - Provided is a visualization apparatus for a transparent PEMFC using a transparent window having conditions approximating a real PEMFC. More specifically, the present invention improves a fixing frame in consideration of the distribution of pressure applied by the fixing frame, such that the visualization apparatus for a transparent PEMFC has operating conditions approximating the real PEMFC. A visualization apparatus for a transparent PEMFC of the present invention includes: current collector plates each provided at both surfaces of a membrane electrode assembly of a fuel cell and formed with a channel in which reaction gas and products flow; transparent plates provided at an outer surface of the current collector plates; and fixing frames formed with a visualization window for observing the current collector plates and provided at the outer side of the transparent plates, wherein the visualization window is formed in at least two by dividing the single window formed by penetrating through the fixing frame by a bar. | 05-05-2011 |
20110104581 | Heat Controllable Visualization Apparatus for Transparent PEMFC - Provided is a visualization apparatus for a transparent PEMFC using a transparent window having conditions approximating a real PEMFC. More specifically, the present invention includes a heat-exchange passage heat exchanging a transparent plate of a visualization apparatus with a current collector plate in order to control heat. In order to achieve the above object, the present invention includes: current collector plates each provided at both surfaces of a membrane electrode assembly of a fuel cell and formed with a channel in which reaction gas and products flow; transparent plates provided at an outer surface of the current collector plates and provided with a heat-exchange passage having a fluid flowing therein to be heat-exchanged with the current collector plates; and fixing frames having a visualization window for observing the current collector plates and provided at the outer side of the transparent plates. | 05-05-2011 |
20110104584 | METAL SUPPORTED SOLID OXIDE FUEL CELL - Provided is a metal supported solid oxide fuel cell in which a metal supported cell formed at one side or both sides of a unit cell is directly welded to a separation plate so as to achieve sealing therebetween, thereby preventing fuel gas and air from being leaked or mixed before reaction, and the fuel gas and air are supplied through each assigned passage so as to increase energy production efficiency and also remarkably enhance durability and sealing efficiency. The metal supported SOFC includes a unit cell | 05-05-2011 |
20110159387 | Visualization Apparatus for Large Area PEMFC - Provided is a visualization apparatus for a PEMFC using a transparent window. More particularly, provided is a visualization apparatus for a large are PEMFC including: a plurality of visualization apparatuses for region cells including current collector plates each provided on both sides of a membrane electrode assembly of a PEMFC and formed with channels through which reaction gas and products flow and a transparent provided on the outer surface of the current collector plate. Further, provided is a visualization apparatus for a large area PEMFC electrically connecting the current collector plates of the visualization apparatus for region cells to each other in parallel. | 06-30-2011 |
20110159388 | Visualization Apparatus for PEMFC Stack - Provided is a visualization apparatus for a PEMFC stack using a transparent window. More particularly, provided is a visualization apparatus for a PEMFC stack including: a plurality of visualization apparatuses for unit cells including current collector plates each provided on both sides of a membrane electrode assembly of a PEMFC and formed with channels through which reaction gas and products flow and a transparent plate provided on the outer surface of the current collector plate. Provided is a visualization apparatus for a PEMFC stack electrically connecting the current collector plates of the visualization apparatus for unit cells to each other in series. | 06-30-2011 |