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| Application No. | Application Title | Issue Date |
| 20100155163 | OPERATING PROCESS FOR A FUEL CELL SYSTEM A process for operating a fuel cell system (2) arranged in a vehicle (1), in which process a foreseeable travel time duration and/or a foreseeable travel time end point are communicated to a control device (4) of the fuel cell system (2) at t... | 06/24/2010 |
| 20100159296 | Fuel cell system and driving method thereof Disclosed are a fuel cell system, and a method of driving the system. The fuel cell system includes a fuel cell stack having a plurality of unit cells producing electricity, a switching unit connecting the plurality of unit cells to a discharge resistor, a switching con... | 06/24/2010 |
| 20100159295 | ON-LINE REPLACEMENT OF DCFC TUBULAR ELEMENTS In one embodiment, the present invention relates generally to a method for replacing at least one direct carbon fuel cell (DCFC) tube of a plurality of DCFC tubes in a fuel cell on-line. In one embodiment, the method includes detecting a degradation in performance of th... | 06/24/2010 |
| 20100151290 | FUEL CELL SYSTEM AND METHOD OF STARTING FUEL CELL SYSTEM A fuel cell system includes a fuel cell, a cathode supply passage, a cathode discharging passage, an anode supply passage, an anode discharging passage, a pair of cathode shutoff units, an anode shutoff unit, an anode discharging unit, a discharged gas processing unit, ... | 06/17/2010 |
| 20100151286 | METHOD OF STABILIZING A STACK AFTER COMPLETING STARTUP, WITHOUT EXTENDING THE STARTUP TIME A fuel cell system that controls the speed of the compressor providing cathode air to a fuel cell stack just after a system start-up procedure has ended so as to reduce the chance that the compressor current draw will cause a stack quick stop. The method includes recogn... | 06/17/2010 |
| 20100151284 | METHODS AND CONTROLS FOR HYDROGEN TO CATHODE INLET OF A FUEL CELL SYSTEM A system and method for quickly heating a fuel cell stack at fuel cell system start-up. The fuel cell system includes a three-way valve positioned in the anode exhaust that selectively directs the anode exhaust gases to the cathode input of the fuel cell stack so that h... | 06/17/2010 |
| 20100151285 | ANODE REACTIVE BLEED AND INJECTOR SHIFT CONTROL STRATEGY A system and method for correcting a large fuel cell voltage spread for a split sub-stack fuel cell system. The system includes a hydrogen source that provides hydrogen to each split sub-stack and bleed valves for bleeding the anode side of the sub-stacks. The system al... | 06/17/2010 |
| 20100151289 | METHOD OF REMOVING RESIDUAL OXYGEN IN FUEL CELL BY ELECTROCHEMICAL PURGING A method of removing residual oxygen in a residential high temperature non-humidification fuel cell stack including at least one cathode. The method includes making the pressure in the cathode higher than that outside of the cathode and maintaining airtight sealing of t... | 06/17/2010 |
| 20100151287 | ADAPTIVE ANODE BLEED STRATEGY A system for providing an adaptive anode bleed strategy for bleeding nitrogen from the anode side of a fuel cell stack. The system includes a hydrogen concentration sensor provided in an exhaust line from the fuel cell stack that provides a hydrogen concentration readin... | 06/17/2010 |
| 20100151288 | METHOD OF OPERATING A FUEL CELL SYSTEM IN STANDBY/REGENERATIVE MODE A system and method for putting a fuel cell system in a stand-by during a system idle condition to improve system fuel efficiency. The method can include diverting the cathode airflow around the stack, reducing an airflow output from a cathode compressor to a minimum al... | 06/17/2010 |
| 20100143754 | SHUTDOWN STRATEGY TO AVOID CARBON CORROSION DUE TO SLOW HYDROGEN/AIR INTRUSION RATES A fuel cell system including a fuel cell stack having a plurality of fuel cells, each of the fuel cells including an electrolyte membrane disposed between an anode and a cathode, an anode supply manifold in fluid communication with the anodes of the fuel cells, the anod... | 06/10/2010 |
| 20100136377 | FUEL CELL SYSTEM AND DRIVING METHOD THEREOF A method of driving a fuel cell system according to embodiments of the present invention includes supplying a first amount of oxidizer (which is less than a normal amount of oxidizer) to a fuel cell stack while continuously supplying fuel to the fuel cell stack, supplyi... | 06/03/2010 |
| 20100136376 | IMPROVEMENTS IN OR RELATING TO FUEL CELLS A method of fuelling an intermediate-temperature solid oxide fuel cell comprises providing a fuel rich in carbon monoxide to an anode region, after the fuel has contacted a water gas shift reaction catalyst in the region of the anode, so that the water gas shift reactio... | 06/03/2010 |
| 20100129690 | VEHICULAR POWER SOURCE UNIT Provided is a vehicular power source unit having an external electric power supply controlling element (94) configured to control the operation of a heater (16) and a recharger (22) operated by an electric power supplied from a commercial power sour... | 05/27/2010 |
| 20100130265 | DEVICE AND METHOD FOR CONTROLLING THE HUMIDIFICATION OF A FUEL CELL An oxygen/hydrogen fuel cell including a package having, on the side of the cell intended to be exposed to air, an enclosure provided with a mobile cap; an element made of a material which deforms according to the humidity ratio in the package; circuitry for controlling... | 05/27/2010 |
| 20100129688 | METHODS OF OPERATING FUEL CELL STACKS AND SYSTEMS RELATED THERETO Methods and systems for operating a fuel cell stack having a fuel exhaust stream and a vessel downstream of the fuel cell stack fluidly connected to the fuel exhaust stream are provided. In one embodiment, the method comprises displacing substantially all residual gas i... | 05/27/2010 |
| 20100129689 | SYSTEM AND METHOD FOR ACTIVATING FUEL CELL A system for activating a fuel cell includes a flow meter for measuring the amount of water discharged from an outlet of the air electrode and an outlet of the fuel electrode; a pressure sensor for measuring the pressure at the respective outlets; and a back pressure re... | 05/27/2010 |
| 20100124678 | FUEL CELL FEED SYSTEMS Fuel feed systems capable of providing substantially consistent flow of fuel to a fuel cell and also capable of tolerating varying pressures from a reservoir (also referred to as fuel supply or fuel cell cartridge) and the fuel cell while maintaining substantially consi... | 05/20/2010 |
| 20100124679 | METHOD FOR INCREASING THE DURABILITY OF DIRECT OXIDATION FUEL CELLS Methods for increasing the durability of direct oxidation fuel cells are disclosed. In one instance, the method for increasing durability of a vapor fed direct oxidation fuel cell includes reducing fluctuations in output power, provided by the vapor fed direct oxidation... | 05/20/2010 |
| 20100124677 | DIRECT OXIDATION FUEL CELL SYSTEM WITH UNIFORM VAPOR DELIVERY OF FUEL A fuel cell system which includes a fuel distribution structure that uniformly distributes vaporizing fuel to a fuel cell is provided. As the fuel travels in a flow field channel in the fuel distribution structure, it is substantially converted to a vapor by the heat of... | 05/20/2010 |
| 20100124680 | FUEL CELL SYSTEM OPERATED WITH LIQUID GAS A fuel cell system comprises at least one fuel cell with a high-temperature polymer electrolyte membrane. The fuel cell is supplied with liquefied petroleum gas from a supply of liquefied petroleum gas. The liquefied petroleum gas can be directly fed into an anode react... | 05/20/2010 |
| 20100119883 | FUEL CELL WITH TRANSPORT FLOW ACROSS GAP The present invention relates to a fuel cell with a gap for transport flow of an electrolyte containing charge carrying ions from either a fuel or an oxidizer between anode and a cathode.... | 05/13/2010 |
| 20100119884 | ROBUST HEATING OF FUEL CELLS DURING SUBFREEZING START The electrical output connections (155, 158) of a fuel cell stack (151) are short circuited (200; 211, 212) during start up from freezing temperatures. Before the stack is short circuited, fuel is provided in excess of stoichiometric amount for a li... | 05/13/2010 |
| 20100119888 | FUEL CELL SYSTEM AND CONTROL METHOD THEREOF A fuel cell system includes: a power generation stack (1) composed by stacking a plurality of fuel cells (10); and a hydrocarbon-oxidizing device (2) disposed on an upstream side of the power generation stack (1) in a fuel supply passage (... | 05/13/2010 |
| 20100119885 | Tailored Heat Transfer Characteristic of Fuel Cell Coolers The thermal profile of one or more fuel cells (10) cooled by coolant flowing in coolant flow passageways (30, 31, 33, 34, 37-41, 45-50) is tailored by providing selected material (65, 68) adjacent a portion (33b) of the c... | 05/13/2010 |
| 20100119890 | Systems and Methods for Biomethane Cleaning and Distribution Systems and methods are disclosed herein which produce renewable energy, and reduce greenhouse gas emissions, by transforming biomethane gas into a mobile and renewable energy source. Biomethane gas, in this process, is generated from the anaerobic degradation process t... | 05/13/2010 |
| 20100119891 | METHOD FOR OPERATING FUEL CELL AND FUEL CELL SYSTEM A method for operating a direct methanol fuel cell is provided. The fuel cell includes a fuel cell main body having a fuel electrode and an air electrode disposed in opposing positions on either side of an electrolyte film. In this method, an aqueous methanol solution i... | 05/13/2010 |
| 20100119886 | METHOD OF PRODUCING A MULTILAYER BARRIER STRUCTURE FOR A SOLID OXIDE FUEL CELL The present invention provides a method of producing a multilayer barrier structure in a solid oxide cell stack, comprising the steps of: -providing a metal interconnect; -applying a first metal oxide layer on said metal interconnect; -applying a second metal oxide laye... | 05/13/2010 |
| 20100119887 | FUEL CELL SYSTEM AND ACTIVATION METHOD FOR FUEL CELL A cell unit voltage is controlled such that a hydrogen production reaction is caused to occur in an oxidizer electrode, thereby allowing a current corresponding to a moving amount of protons, which is larger than a diffusion limiting current, to pass through a fuel cell... | 05/13/2010 |
| 20100119892 | RECUPERATED ATMOSPHERIC SOFC/GAS TURBINE HYBRID CYCLE A method of operating an atmospheric-pressure solid oxide fuel cell generator (6) in combination with a gas turbine comprising a compressor (1) and expander (2) where an inlet oxidant (20) is passed through the compressor (1) and exits... | 05/13/2010 |
| 20100119889 | SOLID OXIDE PROTON CONDUCTOR SYSTEM AND METHOD OF OPERATING SAME FOR ENHANCED PROTON TRANSPORT A proton conductor system includes a solid oxide having at least one hydrogen vibrational mode defined by a bandwidth and resonance frequency. A light source irradiates the solid oxide with infrared light in a wavelength band having a center frequency matching the reson... | 05/13/2010 |
| 20100112391 | COUNTER-FLOW MEMBRANELESS FUEL CELL A method for generating electrical current using a fuel cell includes flowing a first flow that includes a fuel and an electrolyte through a first channel. The fuel is oxidized at an anode to generate electrons for conduction to a load and oxidation products that remain... | 05/06/2010 |
| 20100112384 | REMEDIAL ACTION TO OPERATE A FUEL CELL SYSTEM WITH A FAILED BLEED MANIFOLD UNIT A system and method for providing an anode exhaust gas bleed in a fuel cell system. The system provides a normal anode side bleed using first and second bleed valves if the first and second bleed valves are not blocked and the temperature of first and second split sub-s... | 05/06/2010 |
| 20100112383 | DIAGNOSTIC TO DETERMINE A VALVE/LINE FREEZE-UP OR FAILURE IN A FUEL CELL BLEED MANIFOLD UNIT A system and method for determining whether valves in a fuel cell system bleed manifold unit (BMU) are blocked with ice or have otherwise failed. The system opens a first bleed valve, closes a second bleed valve and opens an exhaust valve, and then reads a pressure sign... | 05/06/2010 |
| 20100112382 | LIFE EXTENSION OF PEM FUEL CELL USING STARTUP METHOD A fuel cell system that employs a technique for reducing or significantly eliminating the MEA degradation that occurs as a result of the hydrogen-air front in the anode flow channels at system start-up. After system shut-down, any hydrogen remaining within the anode flo... | 05/06/2010 |
| 20100112381 | ELECTROCHEMICAL ACTUATOR A heat switch system includes a first surface thermally coupled to at least a portion of an associated component requiring temperature control. A second surface is spaced by a gap relative to the first surface. A gas generator is coupled to a first chamber configured to... | 05/06/2010 |
| 20100112385 | METHOD FOR REMEDIAL ACTION IN THE EVENT OF THE FAILURE OF THE COMPRESSOR BYPASS VALVE IN A FUEL CELL SYSTEM A system and method for controlling the speed of a compressor that provides air to the cathode side of a fuel cell stack in the event that a cathode by-pass valve fails. If a by-pass valve failure is detected, a failure algorithm first disengages the normal flow and pre... | 05/06/2010 |
| 20100112389 | FUEL CELL SYSTEM AND WARMING UP COMPLETION DETERMINING METHOD FOR THE SAME A fuel cell system includes a fuel cell stack, a warming up status detector, a warming up completion threshold setter, an informing device, an estimator, and a threshold changer. The warming up status detector is configured to detect a warming up status of the fuel cell... | 05/06/2010 |
| 20100112388 | FUEL CELLS This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means fo... | 05/06/2010 |
| 20100112390 | FUEL CELL SYSTEM AND ACTIVATING COMPLETION DEGREE DISPLAYING METHOD OF THE SAME The progress of activation of a fuel cell is appropriately transmitted in accordance with the rise of the temperature of the fuel cell, and an estimated time till the completion of the activation is displayed with higher accuracy. To realize this, the current percentage... | 05/06/2010 |
