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US20110177413 ELECTROCHEMICAL DEVICE AND METHODS FOR ENERGY CONVERSION  
The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is...
US20050186455 Micro fuel cell system start up and shut down systems and methods  
Described herein are fuel cell systems and methods of using fuel cell systems. The systems include a fuel cell that generates electrical energy using hydrogen and a fuel processor that produces...
US20060183009 Fuel cell fuel processor with hydrogen buffering  
A fuel cell system is provided which includes a hydrocarbon fuel processor for generating hydrogen for use in a fuel cell. The system further includes a hydrogen buffer for storing a portion of...
US20080038598 Fuel cell fuel processor with hydrogen buffering and staged membrane  
A fuel cell system is provided which includes a hydrocarbon fuel processor for generating hydrogen for use in a fuel cell. The system further includes a hydrogen buffer for storing a portion of...
US20080124598 Activation of solid oxide fuel cell electrode surfaces  
A solid oxide fuel cell that is capable of increased power density is disclosed. A ceramic electrolyte comprising at least one surface, wherein at least a portion of at least one surface is...
US20080171241 MICRO FUEL CELL SYSTEM START UP AND SHUT DOWN SYSTEMS AND METHODS  
Described herein are fuel cell systems and methods of using fuel cell systems. The systems include a fuel cell that generates electrical energy using hydrogen and a fuel processor that produces...
US20090303660 NANOPOROUS ELECTRODES AND RELATED DEVICES AND METHODS  
High surface area electrodes formed using sol-gel derived monoliths as electrode substrates or electrode templates, and methods for making high surface area electrodes are described. The high...
US20050249992 Power supply system and abnormal detection method for the power supply system  
A power supply system for producing electric power comprising at least a power generation section for generating power comprises at least one chemical reaction section to which fuel for power...
US20080107936 Hydrogen passivation shut down system for a fuel cell power plant  
The invention is a hydrogen passivation shut down system for a fuel cell power plant (10). An anode flow path (24) is in fluid communication with an anode catalyst (14) for directing hydrogen fuel...
US20050278076 Method and apparatus for operating and controlling a power system  
A fuel cell power system has a plurality of fuel cell power modules, a plurality of local controllers, and a master controller. Each fuel cell power module includes a fuel cell for generating...
US20060166053 Solid oxide fuel cell assembly with replaceable stack and packet modules  
A method of replacing a fuel cell packet module in a fuel cell stack, said method comprising: (i) powering down the fuel cell stack; (ii) electrically disconnecting the fuel cell packet module...
US20110189567 High Temperature Fuel Cell System and Method of Operating the Same  
A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel...
US20070072023 Fuel cell unit, information processing apparatus, and power supply control method for information processing apparatus  
A fuel cell unit according to the present invention includes a connection section used for establishing connection with an external device; fuel cells for generating power to be supplied to the...
US20080057359 Flexible fuel cell system configuration to handle multiple fuels  
A fuel cell system comprises a fuel cell system and a fuel source that supplies a plurality of fuels, wherein the fuel cell system is configured to use the plurality of fuels and is configured to...
US20070065711 AIR INDEPENDENT POWER PRODUCTION  
A fuel cell system having a fuel cell with a first reactant inlet, a first reactant outlet, a second reactant inlet, a second reactant outlet, a coolant inlet and coolant outlet. A first reactant...
US20060216555 Fuel cell system and method for removing residual fuel gas  
A fuel battery system capable of quickly consuming residual hydrogen gas even if a surplus power consumption means has a limitation. During shutdown of the system, a fuel battery (10) is made to...
US20050175875 Cooling subsystem for an electrochemical fuel cell system  
Improvements in startup time for an electrochemical fuel cell system from freezing and sub-freezing temperatures may be observed by minimizing the coolant volume in the coolant subsystem. In...
US20050019634 Device for extending zinc-air battery life for intermittent use  
A device for extending zinc-air battery life for intermittent use with a battery chamber that allows air to flow to the batteries when needed, a battery chamber to completely seal off air flow to...
US20050048336 Fuel cell system, and operation and program for same  
An electrolyte fuel system, its operation and program and a recording medium associated with the program is disclosed. Embodiments include a fuel cell system having a load electric current...
US20070166598 PASSIVE ELECTRODE BLANKETING IN A FUEL CELL  
When a conventional fuel cell module is shutdown the conditions within the fuel cell stack change. The conditions change because elements that support and regulate the operation of the fuel cell...
US20080187797 Fuel processor for fuel cell systems  
A fuel processor assembly for producing a hydrogen rich stream for a fuel cell includes a reformer, a vaporizer adjacent the reformer, a heat transfer block around at least a portion of the...
US20090081523 FUEL CELL COVER  
Fuel cell covers, electronic systems and methods for optimizing the performance of a fuel cell system are disclosed. In the various embodiments, a fuel cell cover includes an interface structure...
US20050136297 Stop method for fuel cell system and fuel cell system  
A stop method for a fuel cell system including a fuel cell unit in which hydrogen is supplied to an anode, and air is supplied to a cathode so as to generate electrical power via an...
US20050129990 Fuel cell system  
A fuel cell system is disclosed a fuel cell configured to generate electric power using an oxidizing gas supplied to a cathode of the fuel cell. In the fuel cell system, a combustible gas is...
US20050019623 Combustor, fuel reforming device, fuel cell system and method for starting up the fuel reforming system  
A combustor (BR) is provided with a premixer (10) mixing fuel and heating gas, a mixer (8) combusting the fuel and the heating gas mixed in the premixer, and a porous medium (9) disposed between...
US20130095404 FUEL CELL SYSTEM  
The fuel cell system of the present invention supplies oxidant gas to a fuel cell during periods where generation of electrical power by the fuel cell is stopped. As a result, an amount of oxidant...
US20060035122 Method for cooling oxygen sensitive components  
A system and method for cooling oxygen sensitive components in a fuel cell system comprising supplying air to an air purification device during cool down of a fuel cell system comprising at least...
US20110076573 Solid Oxide Type Fuel Cell and Operating Method Thereof  
It is possible to rapidly start a fuel cell and perform temperature increase operation and temperature decrease operation at start/stop without providing a separate purge gas supply system. The...
US20080102327 Fuel cell and method for cold-starting such a fuel cell  
A fuel cell includes an electrolyte electrode assembly having a cathode disposed on a first side and an anode disposed on a second side of the electrolyte electrode assembly, a first flow module...
US20060188761 Fuel cell power plants  
A fuel cell power plant comprises a fuel processor and a fuel cell stack. The fuel cell stack has cooling water directly passing through its anode or cathode compartments. The high humidity...
US20060147772 Fuel cell system  
A fuel cell system includes a bypass circuit for refrigerant that is used when the system is started below a temperature point, such as the freezing point of water. In one embodiment, the fuel...
US20060115693 Test station for a fuel cell power module  
Aspects of the invention relate to a test station for a fuel cell power module (FCPM). The fuel cell power module has at least one fuel cell therein and a FCPM controller. The test station...
US20110070511 COOLING SUBSYSTEM FOR AN ELECTROCHEMICAL FUEL CELL SYSTEM  
Improvements in startup time for an electrochemical fuel cell system from freezing and sub-freezing temperatures may be observed by minimizing the coolant volume in the coolant subsystem. In...
US20080090111 FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME  
A fuel cell system to rapidly increase the temperature of unit cells. The fuel cell system includes; a plurality of current generating unit cells; a load circuit to supply the current to a load; a...
US20060280977 Fuel cell system  
A fuel cell system equipped with a fuel cell that generates electrical power in electrochemical reaction of hydrogen and oxygen. The system has the improved cold starting capability that increases...
US20050019625 Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up  
The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water...
US20080087479 Power system of hybrid fuel cell bus and control method thereof  
The present invention provides a power system of a hybrid fuel cell bus, comprising: a first auxiliary battery supplying electric power to first electric parts designed for operation of a fuel...
US20090155635 METHOD OF ACTIVATING MEMBRANE ELECTRODE ASSEMBLY (PEM) OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL (PEMFC) USING CYCLIC VOLTAMMETRY (CV)  
The present invention relates to a method of activating membrane electrode assemblies of polymer electrolyte membrane fuel cells of a fuel cell stack for a vehicle comprising: supplying a...
US20060204802 Fuel cell systems and related methods  
A fuel cartridge includes a housing having an outlet, a fuel container containing fuel, a flow control mechanism in fluid communication with the fuel container and the outlet, and a power source....
US20060088738 Fuel cell system and control method  
During a normal control (CP) having a fuel supply (3) supplying a fuel (Fg), an air supply (3) supplying an oxidizer (Og), a stack (1) of fuel cells generating power with the fuel and the oxidizer...
US20060073367 Fuel cell system  
A fuel cell system of the present invention performs power generation stoppage control for stopping a power generating operation after generating power for making a temperature of a specified...
US20070292724 System and method to start a fuel cell stack during a cold-start condition  
A system and method for operating a fuel cell stack and at least one battery during at least a cold-start condition includes operating a fuel cell stack at a reduced voltage during the cold-start...
US20070072016 METHODS AND APPARATUS FOR IMPROVING THE COLD STARTING CAPABILITY OF A FUEL CELL  
Apparatus and methods of ceasing operation of an electric power generating system improve the cold starting capability of the system. The system comprises a fuel cell stack connectable to an...
US20110143245 FUEL CELL SYSTEM  
A fuel cell system comprising: a fuel cell (1); a cooling water tank (7) and a cooling water circulation passage (32); a hot water tank (10) and a hot water circulation passage (31); a heat...
US20060141300 Preconditioning treatment to enhance redox tolerance of solid oxide fuel cells  
A high temperature, redox tolerant fuel cell anode electrode and method of fabrication in which the anode electrode is pre-conditioned by application of an initial controlled redox cycle to the...
US20070202366 Method for starting high temperature polymer electrolyte membrane fuel cell stack and fuel cell system using the same method  
Disclosed are a method for efficiently starting a high temperature polymer electrolyte membrane fuel cell stack and a fuel cell system using the same method. The high temperature polymer...
US20050079397 Metal hydride heating element  
A heating element for a fuel cell system comprising a body constructed of a thermally conductive material. The interior of the body has a plurality of fluid flow channels formed therein. A...
US20050014044 Fuel cell system  
A fuel cell system in accordance with a present invention includes independently actuatable fuel cells.
US20080160370 Adaptive Current Controller for a Fuel-Cell System  
Fuel cell modules usually have an inherently limited load slew rate, which is adequate for some applications but insufficient where close load following is desired. An example of where the...
US20060024564 Manclaw-Harrison fuel cell  
The Manclaw-Harrison Fuel Cell is a new Environmentally SAFE Fuel Cell (Lead Free, Acid Free, Mercury Free and has No Heavy Metals), and as such, it sets the definition of a new Class of Fuel Cell...

Matches 1 - 50 out of 307 1 2 3 4 5 6 7 >