Patent application number | Description | Published |
20080299443 | STACK FOR FUEL CELL - A fuel cell stack including an electricity generating unit for generating electrical energy by electrochemically reacting a fuel and an oxidizing agent, the electricity generating unit including: a first separator; a second separator; a membrane electrode assembly (MEA) between the first separator and the second separator, each of the first and second separators including a channel on a surface facing the MEA and a manifold in the surface facing the MEA, the manifold communicating with the channel; and a gasket, positioned at an outer circumference portion of an area where the MEA is positioned, for sealing a space between the first and second separators and for covering an open area of a channel extension area of at least one of the first and second separators where the manifold communicates with the channel. | 12-04-2008 |
20090110996 | METHOD OF PREPARING FUEL CELL COMPRISING PROTON CONDUCTING SOLID PEROVSKITE ELECTROLYTE MEMBRANE WITH IMPROVED LOW TEMPERATURE ION CONDUCTIVITY, AND MEMBRANE ELECTRODE ASSEMBLY OF FUEL CELL PREPARED BY THE METHOD - Provided are a method of preparing a fuel cell and a membrane electrode assembly prepared by the method. The method includes preparing a substrate, forming a buffer layer having a single crystalline structure on the substrate, forming a proton conducting solid perovskite electrolyte membrane on the buffer layer, forming a first electrode on one surface of the proton conducting solid perovskite electrolyte membrane, etching the substrate, and forming a second electrode on the opposite surface of the one surface of the electrolyte membrane. Thus, the method of preparing a fuel cell can improve ion conductivity of an electrolyte membrane at a low temperature and a membrane electrode assembly of a fuel cell prepared by the method can improve ion conductivity at a low temperature. | 04-30-2009 |
20090142646 | DIRECT METHANOL FUEL CELL STACK INCLUDING FLOW RESTRICTOR AND DIRECT METHANOL FUEL CELL INCLUDING THE SAME - A direct methanol fuel cell (DMFC) that includes: an anode, a cathode, and a membrane disposed therebetween; a bipolar plate having a flow channel to supply a fluid to the anode; and a flow restrictor installed in the flow channel, to restrict the flow of the fluid. | 06-04-2009 |
20100015478 | METHOD AND APPARATUS FOR MEASURING METHANOL VAPOR CONCENTRATION, METHOD OF CONTROLLING METHANOL VAPOR CONCENTRATION IN A FUEL CELL, AND FUEL CELL USING THE SAME - A method of measuring methanol vapor concentration on a real-time basis and a methanol vapor concentration measuring apparatus used in fuel cells. The method of measuring methanol vapor concentration involves using an absorption spectrometry technique, that is, after measuring intensities I | 01-21-2010 |
20100183940 | FUEL CELL STACK - Provided is a fuel cell stack including stacked unit cells. Each unit cell includes a membrane-electrode assembly and a porous support. | 07-22-2010 |
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 |
20110223519 | SOLID OXIDE FUEL CELL AND METHOD OF PREPARING THE SAME - A solid oxide fuel cell includes a membrane electrode assembly including an anode, a cathode, and a solid oxide electrolyte membrane disposed between the anode and the cathode; and a porous conductive support disposed at one surface or both surfaces of the membrane electrode assembly. Both the membrane electrode assembly and the porous conductive support have an uneven structure, and are coupled to each other in a male and female coupling manner. | 09-15-2011 |
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 |
20120009501 | METHODS OF MANUFACTURING PROTON CONDUCTIVE SOLID OXIDE FUEL CELL AND PROTON CONDUCTIVE SOLID OXIDE FUEL CELLS MANUFACTURED BY USING THE METHODS - A method of manufacturing a proton conductive solid oxide fuel cell, the method including: forming a metallic mask layer having nanoholes on a first surface of a substrate; selectively etching the first surface of the substrate using the metallic mask layer; depositing a first membrane electrode assembly (MEA) member on the etched first surface of the substrate; etching an opposing second surface of the substrate; and forming second and third MEA members on the first MEA member. | 01-12-2012 |
20120040273 | PROTON CONDUCTIVE INORGANIC THIN FILM, METHOD OF FORMING THE SAME, AND FUEL CELL INCLUDING THE PROTON CONDUCTIVE INORGANIC THIN FILM - A proton-conductive inorganic thin film including an inorganic proton conductor, a method of forming the proton-conductive inorganic thin film, and a fuel cell including the proton-conductive inorganic thin film as an electrolyte membrane. | 02-16-2012 |
20120088180 | MEMBRANE ELECTRODE ASSEMBLY, SOLID OXIDE FUEL CELL COMPRISING THE SAME AND METHOD OF PREPARING THE MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly including an anode that incorporates a porous support and a hydrogen permeable metal thin film disposed on the porous support; a cathode; and a proton conductive solid oxide electrolyte membrane disposed between the anode and the cathode. | 04-12-2012 |
20120094213 | SOLID OXIDE ELECTROLYTE MEMBRANE, METHOD OF MANUFACTURING THE SAME AND FUEL CELL INCLUDING THE SOLID OXIDE ELECTROLYTE MEMBRANE - A solid oxide electrolyte membrane including a solid oxide electrolyte layer; and an insulating layer formed as a conformal layer on a single surface or two opposite surfaces of the solid oxide electrolyte layer and including nano-grains having a average crystal grain size of 30 nm or less, a method of manufacturing the solid oxide electrolyte membrane, and a fuel cell including the solid oxide electrolyte membrane. | 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 |
20130050961 | DEVICE AND METHOD FOR PROVIDING WATER RESISTANCE FOR A FLEXIBLE PRINTED CIRCUIT OR FLEXIBLE WIRE DEVICE - A folder-type and a non-folder device with a flexible printed circuit (FPC) or flexible printed wire, include: a first case portion, a second case portion having a groove, the groove on a side of the second case portion adjacent to the first case portion; an elastic portion shaped to fit in the groove, and the elastic portion having an opening; and an adhesive layer in between the first case portion and the second case portion. The adhesive layer fixes the first case portion with the second case portion, the elastic portion is disposed within the groove, and the FPC is disposed within the opening. | 02-28-2013 |
20130062173 | WATER-PROOF APPARATUS AND METHOD FOR WATER-PROOFING - A terminal, includes: a first button exposed on an exterior of the terminal; an elastic body comprising a coupling hole, the elastic body arranged in a case of the terminal; a rod fitted in the coupling hole, and the rod to be engaged by pressure asserted on the first button, wherein if force is asserted on the first button, the elastic body activates a push switch of the terminal. A method for providing water-proofing for a terminal, includes: providing a first button exposed on an exterior of the terminal; providing a non-metal insert comprising a coupling hole, the non-metal insert being fitted in a case of the terminal; and fitting a rod in the coupling hole, the rod being engaged by pressure asserted on the first button, wherein if force is asserted on the first button, the non-metal insert activates a push switch of the terminal. | 03-14-2013 |