Patent application number | Description | Published |
20080299421 | Method for Analyzing the Performance of Mea and Segmented Cell Used for the Method - A separation plate having a gas flow path is segmented for analyzing MEA performance without segmenting an electrode or a gas diffusion layer. In advance, a MEA is operated for a long time in a real stack environment using a typical separation plate which is not segmented, and then the segmented separation plate for analyzing MEA performance is mounted to the MEA. | 12-04-2008 |
20090023018 | Multi-Layered Electrode for Fuel Cell and Method for Producing the Same - Disclosed are a multi-layered electrode for fuel cell and a method for producing the same, wherein the electrode can be operated under non-humidification and normal temperature, the flooding of the electrode catalyst layer can be prevented, and the long-term operation characteristic can be increased due to the prevention of the loss of the electrode catalyst layer. | 01-22-2009 |
20090208793 | HYBRID TYPE POWER SUPPLYING APPARATUS - Disclosed is a hybrid-type power supplying apparatus which may use a fuel cell device as a main power supplier for a robot and a rechargeable battery as an auxiliary power supplier for the robot. In the hybrid-type power supplying apparatus, when the power consumption of the robot exceeds the selected amount of power generation of the fuel cell device, the loads of the rechargeable battery and the fuel cell stack can be managed in such a manner that power is supplied from the rechargeable battery to the robot as an auxiliary power for the robot supplementing the main power for the robot. | 08-20-2009 |
20090208814 | HONEYCOMB-TYPE SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a honeycomb type SOFC wherein a first material, density of which is lowered upon phase-transition, a second material having higher thermal expansion coefficient than that of an electrode supporter, or a composite material of the first and second materials is filled in the electrode channel to which the collector is bonded as a material which can form an oxide under the electrode atmosphere, and a manufacturing method thereof. | 08-20-2009 |
20090233148 | METHOD FOR PREPARING MEMBRANE ELECTRODE ASSEMBLY USING LOW-TEMPERATURE TRANSFER METHOD, MEMBRANE ELECTRODE ASSEMBLY PREPARED THEREBY, AND FUEL CELL USING THE SAME - A membrane-electrode assembly (MEA) is prepared by a low-temperature transfer method. A binder-free carbon layer is formed on a transfer substrate so as to avoid decreased performance due to the formation of a skin layer caused by the interfacial segregation of the ionomer or binder. | 09-17-2009 |
20090238711 | Ni-Al ALLOY ANODE FOR MOLTEN CARBONATE FUEL CELL MADE BY IN-SITU SINTERING THE Ni-Al ALLOY AND METHOD FOR MAKING THE SAME - Disclosed is a Ni-Al alloy anode for molten carbonate fuel cell made by in-situ sintering the Ni-Al alloy. Further, disclosed is a method for preparing the same comprising steps of preparing a sheet with Ni-Al alloy powders (S1); and installing the sheet in a fuel cell without any heat treatment for sintering the Ni-Al alloy in the sheet and then in-situ sintering the Ni-Al alloy in the sheet during a pretreatment process of the cell with the sheet (S2), wherein a reaction activity of the Ni-Al alloy anode can be maintained, the method is simple and economic, and a mass production of the Ni-Al alloy anode and a scale-up in the method are easy. | 09-24-2009 |
20100021794 | METHOD OF FABRICATING CARBON MATERIAL, CARBON MATERIAL PREPARED BY THE METHOD, CELL MATERIAL AND APPARATUS USING THE SAME - Disclosed is a method for fabricating a carbon material, by which carbon fibers or carbon tubes, particularly branched carbon fibers or carbon tubes, are obtained via a so-called self-growing process without using external carbon sources. The carbon material obtained by the method has a large specific surface area and further includes a metal catalyst, and thus may be used in cell materials for a fuel cell or secondary battery, hydrogen storage devices, capacitors, solar cells, display panel or the like. | 01-28-2010 |
20100279197 | Membrane-electrode binder having dual electrode, method of manufacturing the binder, and fuel cell comprising the same - A membrane-electrode binder for a fuel cell, a method of manufacturing the binder, and a fuel cell comprising the binder are provided, in which the membrane-electrode binder comprises a dual electrode constituted by a first electrode and a second electrode in a two-layer form, and a polymer electrolyte membrane disposed on the dual electrode, the dual electrode comprising an electrode substrate and a catalyst layer formed thereon. In detail, the membrane-electrode binder comprises the dual electrode that is constituted by the first electrode obtained by using a PBI-based binder, the second electrode obtained by using a PTFE-based binder, and an inorganic acid doped PBI-based polymer electrolyte membrane disposed on the dual electrode and coming in contact with the first electrode. In the configuration of the dual electrode, the PBI-based binder used for manufacturing the first electrode contributes to enhancing an adhesive strength with the inorganic acid doped PBI-based polymer electrolyte membrane, and the PTFE-based binder used for manufacturing the second electrode contributes to suppressing the emission of an inorganic acid from the inorganic acid doped PBI-based polymer electrolyte membrane, together improving the performance of a fuel cell. | 11-04-2010 |
20110217614 | DIRECT FORMIC ACID FUEL CELL PERFORMING REAL TIME MEASUREMENT AND CONTROL OF CONCENTRATION OF FORMIC ACID AND OPERATION METHOD THEREOF - Provided are a direct formic acid fuel cell and a method of operation thereof capable of maintaining performance constantly through implementing the real time measurement and control of formic acid concentration. | 09-08-2011 |
20120315542 | ELECTRODE COATED WITH METAL DOPED CARBON FILM - Disclosed is an electrode coated with a metal-doped carbon film. | 12-13-2012 |
20140154599 | METHOD AND APPARATUS FOR SIMULTANEOUS CONTROLLING OF FUEL CONCENTRATION AND TEMPERATURE OF LIQUID FUEL BY SENSOR-LESS AND TEMPERATURE-CONTROL BASED FEED-BACK CONTROL, LIQUID FUEL CELL APPARATUS USING THE SAME - A concentration of a fuel supplied to a fuel cell and a heat exchange rate of a heat exchanger are controlled simultaneously in order to maintain a temperature of fuel cell stack and a diluted fuel concentration that is supplied to the fuel cell stack in a target level. Further, by appropriately responding to an exterior temperature changes or unexpected fuel cell performance changes, it is possible to improve a system efficiency and stability of fuel cell operation and to regulate the fuel concentration quickly and accurately compared to a prior sensor-less concentration controller. | 06-05-2014 |