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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7422814 | Fuel cell system A fuel cell unit includes a plurality of fuel cells. Each of the fuel cells includes a plurality of power generation units. The power generation units are electrically connected in series for outputting a desired level of voltage. The fuel cells are stacked in a dir... | 09/09/2008 |
| 7419546 | Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof A method for forming a noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web to a first ion beam having an energy not higher than 500 eV, then to a second beam having an energy o... | 09/02/2008 |
| 7419739 | Flexible bipolar plate The present invention provides for a construction for a bipolar plate for a fuel cell stack that enables the bipolar plate to be a more compliant member in the fuel cell stack. The bipolar plate can be configured to provide varying levels of compliance, as demanded ... | 09/02/2008 |
| 7419623 | Proton conducting mediums for electrochemical devices and electrochemical devices comprising the same An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the ... | 09/02/2008 |
| 7419741 | Fuel cell cathode catalyst A fuel cell cathode catalyst is provided which comprises nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles. The nanoscopic catalyst particles are made by the alternating application of first and second layers, ... | 09/02/2008 |
| 7419740 | Membrane electrode unit for polymer electrolyte fuel cells and a process for the production thereof A membrane electrode assembly for polymer electrolyte fuel cells consisting of a polymer electrolyte membrane, both faces of which are in contact with porous reaction layers and gas distributor layers. The reaction layers contain noble metal catalysts supported on c... | 09/02/2008 |
| 7416810 | Low contact resistance PEM fuel cell A PEM fuel cell having a current collector comprising a polymer composite and a diffusion media engaging said polymer composite. The polymer composite has a hyperconductive surface layer engaging the diffusion media to reduce the contact resistance therebetween. The... | 08/26/2008 |
| 7416802 | Electrode-supported solid state electrochemical cell A process for manufacturing a solid oxide fuel cell comprises, in one embodiment according to the invention: forming a plastic mass comprising a mixture of an electrolyte substance and an electrochemically active substance; extruding the plastic mass through a die t... | 08/26/2008 |
| 7416809 | Catalyst materials for fuel cells An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and activating catalyst materials are disclosed. ... | 08/26/2008 |
| 7413826 | Anode electrodes for direct oxidation fuel cells and systems operating with concentrated liquid fuel An anode electrode for use in a fuel cell comprises a stacked structure including, in sequence: a catalyst layer, a hydrophobic, microporous layer (“MPL”), a porous gas diffusion layer (“GDL”), and an anode plate with at least one recessed fuel supply-fuel/g... | 08/19/2008 |
| 7414004 | Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof The present invention provides a gas diffusion layer for a fuel cell which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for producing a gas diffusion layer for a fuel cell including a first ste... | 08/19/2008 |
| 7410719 | Porous carbon base material, method for preparation thereof, gas-diffusing material film-electrode jointed article, and fuel cell A porous carbon base material includes a sheet containing carbon short fibers dispersed randomly and a carbonized resin, in which the carbon short fibers are bound by the carbonized resin and the volume of pores having a pore diameter of 10 μm or less is 0.05 to 0.... | 08/12/2008 |
| 7410718 | Aerogel and xerogel composites for use as carbon anodes Disclosed herein are aerogel and xerogel composite materials suitable for use as anodes in fuel cells and batteries. Precursors to the aerogel and xerogel compounds are infused with inorganic polymeric materials or carbon particles and then gelled. The gels are then... | 08/12/2008 |
| 7410720 | Fuel cell and method for manufacturing the same An electrode sheet (489) is put in one side of a solid electrolyte membrane (114) at its cut portion. A base member (110) for an oxidant electrode side current collector electrode sheet (499) is placed at a location facing a base member (... | 08/12/2008 |
| 7407723 | Polymer electrolyte fuel cell In a polymer electrolyte fuel cell, at least one of the anode side separator plate and cathode side separator plate is formed with a main surface having a convex shape protruding toward a gas diffusion layer, and a peripheral edge portion surrounding the main surfac... | 08/05/2008 |
| 7405021 | Water-retaining anode structure for a fuel cell A novel anode structure for making a proton exchange membrane fuel cell (PEMFC) tolerant to incidences of cell reversal includes an electrocatalyst layer having at least one electrocatalyst and at least one proton conducting polymer. The anode structure also include... | 07/29/2008 |
| 7404878 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its p... | 07/29/2008 |
| 7402544 | Mesoporous carbon molecular sieve and supported catalyst employing the same The present invention is related to a mesoporous carbon molecular sieve, which can be used as a catalyst carrier capable of improving the activity of a supported catalyst and a method of preparing the same. Additionally, the invention is related to a supported catal... | 07/22/2008 |
| 7399393 | Oxide ion conductive ceramic membrane structures for high-pressure oxygen production The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising, a dense layer (CD) of a solid electrolyte, a so-called bonding layer (CA), of mixed conductive p... | 07/15/2008 |
| 7399549 | Altering zeta potential of dispersions for better HCD performance and dispersion stability Ink dispersions for use in fuel cells, comprising a mixture of: (1) a carbon-containing material, such as carbon black; and (2) a base or acid operable to adjust the pH of the ink dispersion, wherein the pH of the mixture has a zeta potential as close to lying outsi... | 07/15/2008 |
| 7396610 | Substrate The present invention relates to a membrane electrode assembly wherein each gas diffusion substrate comprises a porous electrically conductive gasket member is located on the first and second planar faces of a peripheral portion of the sheet material. The electrocat... | 07/08/2008 |
| 7396797 | Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell A method for producing a catalyst for a fuel cell is provided which is capable of improving output characteristics of the fuel cell. Metal fine particles making up the catalyst for the fuel cell to be used as a fuel electrode and air electrode are formed by reducing... | 07/08/2008 |
| 7390588 | Fuel cell and process for the production thereof A first gas flow path is formed in a first substrate. The first substrate is processed in an ejection device to form a first collector layer, a first gas diffusion layer, a first reactive layer, and an electrolyte membrane. Similarly, the first substrate is processe... | 06/24/2008 |
| 7378450 | Aerogel and metallic compositions Metallic aerogel compositions comprising an aerogel, e.g., RF or carbon aerogel, having metallic particles dispersed on its surface are disclosed. The aerogel compositions can have a uniform distribution of small metallic particles, e.g., 1 nanometer average particl... | 05/27/2008 |
| 7378178 | Catalyst support material for fuel cell A catalyst support material useful in a membrane electrode assembly is presented. The support catalyst material is elongate electrically anisotropic particles of flexible graphite, and the membrane electrode assembly includes a pair of electrodes, an ion exchange me... | 05/27/2008 |
| 7374838 | Electrochemical fuel cell with fluid distribution layer having non-uniform permeability An electrochemical fuel cell comprises an anode electrocatalyst layer, a cathode electrocatalyst layer, a polymer electrolyte membrane interposed between the anode and cathode electrocatalyst layers, an anode flow field plate, a cathode flow field plate, an anode fl... | 05/20/2008 |
| 7364814 | Separator of a fuel cell and a manufacturing method thereof A separator of a fuel cell includes a base material and a surface treatment layer formed on the base material. The surface treatment layer includes a base material-side portion made from metal and a base material opposite-side portion made from carbon formed at an a... | 04/29/2008 |
| 7364813 | Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion medium, whe... | 04/29/2008 |
| 7361313 | Methods for uniform metal impregnation into a nanoporous material The methods, systems 400 and apparatus disclosed herein concern metal 150 impregnated porous substrates 110, 210. Certain embodiments of the invention concern methods for producing metal-coated porous silicon substrates 110, 210 that exhi... | 04/22/2008 |
| 7361424 | Solid polymer MEMS-based fuel cells A micro-electro-mechanical systems (MEMS) based thin-film fuel cells for electrical power applications. The MEMS-based fuel cell may be of a solid oxide type (SOFC), a solid polymer type (SPFC), or a proton exchange membrane type (PEMFC), and each fuel cell basicall... | 04/22/2008 |
| 7361620 | Catalytically active layer A catalytically active layer that is used, for example, as an electrode for a solid electrolyte-based sensor element of a gas sensor for determining a gas component in a gas mixture. The catalytically active layer includes a metallic component, that includes a noble... | 04/22/2008 |
| 7361431 | Cathode electrode including a porous conductive material coated and/or filled with sulfur and/or a sulfur-containing organic compound and lithium battery containing the same Disclosed is a cathode electrode having a cathode active material layer stacked on a current collector. The cathode active material layer includes a porous conductive material having a surface coated with sulfur and/or a sulfur-containing organic compound and/or por... | 04/22/2008 |
| 7357903 | Method for reducing NOx during combustion of coal in a burner An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th... | 04/15/2008 |
| 7354676 | Cell body for fuel cell and method of manufacturing the same A cell body for a fuel cell comprises a metal support and an electrolyte layer and an air electrode layer. The electrolyte layer and the air electrode layer are formed on the metal support. A concave portion is formed in an arbitrary pattern on the metal support, an... | 04/08/2008 |
| 7351444 | Low platinum fuel cell catalysts and method for preparing the same This invention provides novel fuel cell catalysts comprising new series of catalytically active thin-film metal alloys with low platinum concentration supported on nanostructured materials (nanoparticles). In certain embodiments, an integrated gas-diffusion/electrod... | 04/01/2008 |
| 7352558 | Dry particle based capacitor and methods of making same An inexpensive and reliable dry process based capacitor and method for making a self-supporting dry electrode film for use therein is disclosed. Also disclosed is an exemplary process for manufacturing an electrode for use in an energy storage device product, the pr... | 04/01/2008 |
| 7353083 | Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control ... | 04/01/2008 |
| 7351487 | Fuel cell A fuel cell comprising a gas-permeable and electrically conducting support substrate having a fuel gas passage formed therein; a fuel-electrode layer formed on said substrate; a solid electrolytic layer formed on said support substrate so as to cover said fuel-elect... | 04/01/2008 |
| 7351488 | Structures and fabrication techniques for solid state electrochemical devices Porous substrates and associated structures for solid-state electrochemical devices, such as solid-oxide fuel cells (SOFCs), are low-cost, mechanically strong and highly electronically conductive. Some preferred structures have a thin layer of an electrocatalyticall... | 04/01/2008 |
| 7351491 | Supporting electrodes for solid oxide fuel cells and other electrochemical devices An electrode supported electrolyte membrane includes an electrode layer 630 facing an electrolyte layer 620. The opposing side of the electrode layer 630 includes a backing layer 640 of a material with a thermal expansion coefficient appr... | 04/01/2008 |
