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US20100055514 |
METHOD AND APPARATUS FOR IMPROVING THE PERFORMANCE OF A FUEL CELL ELECTRIC POWER SYSTEM
Current pulsing improves the performance of fuel cells in a fuel cell stack based power system. Voltage clamping limits the voltage peaks that occur after a current pulse. In a hybrid power... |
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US20070269688 |
Liquid anode electrochemical cell
An electrochemical cell is provided which has a liquid anode. Preferably the liquid anode comprises molten salt and a fuel, which preferably has a significant elemental carbon content. The supply... |
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US20050014059 |
Micro fuel cell architecture
The present invention relates to fuel cells and components used within a fuel cell. Heat transfer appendages are described that improve fuel cell thermal management. Each heat transfer appendage... |
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US20060110636 |
Methods of operating fuel cells
A fuel cell is disclosed which is formed on a semiconductor wafer by etching channel in the wafer and forming electronics on the substrate electronically coupled to the fuel cell that controls... |
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US20050026008 |
Method for processing stack gas emissions
Apparatus and methods for augmenting the Mark 13a process of Van Zelzen et al., by providing for the addition of dispatchable energy storage and/or additional waste stream treatments.... |
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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... |
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US20060078773 |
Method and system for controlling and recovering short duration bridge power to maximize backup power
A system for providing back-up power to a load powered by a primary power source comprises: a fuel cell arrangement for generating back-up power for the load, a bridging power source for... |
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US20080254329 |
FUEL CELL OUTPUT CHARACTERISTIC ESTIMATION APPARATUS AND OUTPUT CHARACTERISTIC ESTIMATION METHOD, FUEL CELL SYSTEM AND VEHICLE HAVING THE SAME, AND FUEL CELL OUTPUT CONTROL METHOD AND DATA STORAGE MEDIUM
An output characteristic of a fuel cell is estimated by detecting an output current of the fuel cell and a voltage between terminals of the fuel cell, and then estimating the output characteristic... |
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US20060093890 |
Fuel cell stack compression systems, and fuel cell stacks and fuel cell systems incorporating the same
Fuel cell stack compression systems, and fuel cell stacks and fuel cell systems containing the same. The compression systems include banded, framed, and/or segmented compression systems. In some... |
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US20050095485 |
Fuel cell end plate assembly
Fuel cell systems incorporate end plate assemblies used to compress the fuel cell stack and/or to collect current from the fuel cell stack. A fuel cell system includes a fuel cell stack having... |
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US20050089732 |
Fuel reforming system and fuel cell system having same
A fuel reforming system, comprising a reformer (2, 3, 4) which produces reformate gas from rich raw fuel gas, and supplies the reformate gas to the fuel cell (28) during a reforming operation, a... |
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US20090269634 |
System for purging non-fuel material from fuel cell anodes
A fuel cell gas purge system is provided that includes at least one fuel cell, such as a fuel cell stack or a fuel cell array, a fuel supply, and an adjustable fuel cell current load. The system... |
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US20060240291 |
Power supply apparatus using fuel cell and method of controlling the same
A power supply apparatus having a fuel cell and a rechargeable battery and a method of controlling power supplied by the apparatus to a load. A DC-DC converter is selectively supplied with power... |
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US20050064259 |
Hydrogen diffusion electrode for protonic ceramic fuel cell
A proton conducting fuel cell that includes an electrolyte having a proton conducting ceramic electrolyte and a two-phase diffusion membrane electrode contacting the electrolyte, where the... |
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US20060147770 |
Reduction of voltage loss caused by voltage cycling by use of a rechargeable electric storage device
A fuel cell system that employs a fuel cell stack and a supplemental power source, such as a battery or an ultra-capacitor. The power source provides supplemental power in addition to the output... |
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US20050112428 |
Fuel cell power system having multiple fuel cell modules
A fuel cell power system has a plurality of fuel cell power modules, each module including a fuel cell and associated peripheral devices. Each fuel cell power module is controlled by its own local... |
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US20070128491 |
Advanced solid acid electrolyte composites
Solid acid/surface-hydrogen-containing secondary component electrolyte composites, methods of synthesizing such materials, electrochemical device incorporating such materials, and uses of such... |
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US20090092888 |
Electrode catalyst for fuel cell and production process of the same
To enhance the activation of a catalyst comprising an alloy of platinum and cobalt, thereby providing an electrode catalyst for fuel cell whose battery output and fuel efficiency are high, and... |
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US20050142406 |
Fuel cell system and method of operating the same
The present invention provides a fuel cell system capable of supplying a stable power. In a fuel cell system, a plurality of fuel cell groups which supply a power to an external load are mutually... |
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US20050008904 |
Regenerative fuel cell technology
For a mobile fuel cell system a narrow-gap modular approach allows reforming to be performed in the same architecture as the fuel cell. A regenerative fuel cell operates much like a battery using... |
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US20060246329 |
Systems and methods for adaptive energy management in a fuel cell system
An electrochemical cell system has a fuel cell power module and an electric energy storage module. The system further has an adaptive energy management controller connected to the fuel cell power... |
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US20060177711 |
Fuell cell control and data reporting
A fuel cell pack having a fuel tank, a smart controller, and a fuel cell provides electrical power and operational data pertaining to the fuel cell pack to a host processor. The fuel cell pack and... |
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US20050218135 |
Climate control device for stationary climate control of a motor vehicle
A climate control device for stationary control of the climate in a motor vehicle has a heat pump circuit with a first heat exchanger for taking up ambient heat and a second heat exchanger for... |
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US20050136311 |
Power generation control system, power generation control method, program, and medium
It has been difficult to reduce a waste of energy in a fuel cell power generating process when, for example, a temporary rise or drop of a power load occurs. A fuel cell power generation system... |
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US20080213638 |
ENGINE BLOCK FOR USE IN A FUEL CELL SYSTEM
In one embodiment, an engine block may comprise an interconnect having: a first manifold section, a second manifold section perpendicular to the first manifold section, the first manifold section... |
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US20050069740 |
Fuel cell modulation and temperature control
An exemplary system includes a first fuel cell capable of providing an electrical output, a second fuel cell capable of providing an electrical output, and a switch circuit that includes one or... |
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US20130260269 |
METHOD AND APPARATUS FOR OPERATING A SOLID-OXIDE FUEL CELL STACK WITH A MIXED IONIC/ELECTRONIC CONDUCTING ELECTROLYTE
A method and apparatus for operating an intermediate-temperature solid-oxide fuel cell stack (10) with a mixed ionic/electronic conducting electrolyte in order to increase its efficiency. The... |
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US20070105000 |
Flow field plate geometries
The present invention provides a flow field plate (separator) for a fuel cell or electrolyser, comprising one or more branched primary fluid delivery/removal channels feeding narrower secondary... |
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US20130084510 |
FUEL CELL SYSTEM, CONTROL METHOD FOR FUEL CELL SYSTEM, AND DEGRADATION DETERMINING METHOD FOR FUEL CELL STACK
A fuel cell system includes: a fuel cell stack that is formed of a plurality of serially connected fuel-cell cells that use fuel gas and oxidant gas to generate electric power; a detecting unit... |
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US20140120440 |
COOLANT FLOW PULSING IN A FUEL CELL SYSTEM
Systems and methods to control the delivery of coolant to a coolant loop within a vehicular fuel cell system. During periods of low power output from one or more fuel cell stacks, operation of a... |
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US20110070512 |
Device and method for determining the operating parameters of individual fuel cells or short stacks of fuel cells
The invention relates to a device and a method for determining the operating parameters of individual cells or short stacks of fuel cells, preferably of medium-temperature or high-temperature fuel... |
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US20070275281 |
Fuel cell thermal management system
The invention provides fuel cell systems and methods of operation where a fuel cell system is used as a backup power supply in a cold environment where the system must be maintained at a suitable... |
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US20060083966 |
Fuel cell unit and method for controlling liquid volume
A fuel cell unit including: a fuel cell which generates water vapor; a mixing tank which mixes fuel and water so as to produce an aqueous fuel solution, the water in the mixing tank includes water... |
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US20050031916 |
Electronic apparatus, fuel tank unit, and method of controlling a power supply for the electronic apparatus
The body of an electronic apparatus houses a DMFC unit which produces energy by causing methanol supplied as fuel to react with oxygen. The body further houses a cartridge fuel tank which holds... |
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US20080171239 |
SYSTEMS AND METHODS FOR PROTECTING A FUEL CELL
The invention relates to hybrid fuel cell systems that protect a fuel cell with a second electrical energy source. The second electrical energy source powers a load to prevent the fuel cell from... |
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US20070031709 |
ELECTRONIC APPARATUS AND FUEL CELL CONTROL METHOD FOR ELECTRONIC APPARATUS
An electronic apparatus is provided which includes a fuel cell device configured to supply electrical power to the electronic apparatus; a temperature sensor configured to measure, other than at... |
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US20060102398 |
Fuel cell equipped vehicle
In a fuel cell equipped vehicle (10), hydrogen cylinders (18) storing hydrogen gas to be supplied to a fuel cell battery (30), a fuel cell (30), fuel cell accessories (31), a storage battery (40),... |
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US20050064252 |
Method for operating polymer electrolyte fuel cell
A method for easily, quickly and accurately detecting a cross leak or a micro short-circuit in a unit cell or group of cells of a fuel cell stack is provided by determining an electric output of... |
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US20090317705 |
FUEL CELL INTERCONNECT STRUCTURES, AND RELATED DEVICES AND PROCESSES
A method for the formation of a diffusion barrier layer on a surface of at least one fuel cell interconnect structure is described. The interconnect structure is usually formed from ferritic... |
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US20060240297 |
Fuel cell unit and power generating system using the fuel cell unit
A fuel cell unit of the present invention has, in a casing, a fuel cell stack in which plural fuel cells are stacked, monitoring means that detects and monitors voltage, temperature, and the like... |
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US20080003478 |
High Temperature Solid Electrolyte Fuel Cell and Fuel Cell Installation Built with Said Fuel Cell
Solid ceramic fuel cells operating at high temperatures are already known. This type of fuel cell is particularly the so-called solid oxide fuel cell (SOFC). In principle, the SOFC can be built in... |
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US20060134478 |
Fuel cell system
A hydrogen circulation device 4 circulates unused hydrogen gas, expelled from an outlet of a hydrogen electrode 1a of a fuel cell 1, to an inlet of the hydrogen electrode 1a through a hydrogen gas... |
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US20130224614 |
FIELD-ENHANCED THERMAL DECOMPOSITION OF FUEL STORAGE COMPOSITIONS
A method of controlled fuel release from a fuel storage composition including applying an electric field to a section of the fuel storage composition, supplying a reagent to the section of the... |
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US20070122668 |
Fuel cell system and method of starting it
A fuel cell system including: a fuel gas supply start command unit (101) for commanding start of a fuel gas supply to a fuel cell (1); a voltage detector (21) for detecting a fuel cell voltage; a... |
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US20050048330 |
Electronic system and power supply method
An electronic system includes an electronic device having a connector to connect an external device and a cell unit having a fuel cell capable of generating power by a chemical reaction. The cell... |
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US20070178345 |
Fuel cell module
A fuel cell module of the present invention includes a fuel cell stack and a power converter incorporated respectively in the casing. The power converter has a printed circuit board and a... |
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US20050084723 |
Fuel cell system
A fuel cell system which includes: a fuel cell having an electrolyte membrane; a tank for storing water for humidifying the electrolyte membrane; a pump for circulating the water through the tank... |
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US20050048335 |
Apparatus and method for regulating hybrid fuel cell power system output
An apparatus and accompanying method for controlling a fuel cell power system having a fuel cell stack with a connected energy storage medium. A voltage monitoring circuit is connected to the... |
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US20090136801 |
REFORMING APPARATUS
A reformer including a reforming section generating reformed gas from reforming fuel supplied thereto, a combustion section burning combustion fuel supplied thereto with combustion oxidizer gas... |
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US20060269805 |
Liquid-type fuel cell system and control circuit of the same
A system includes a liquid-type fuel electromotive unit which outputs a first power, a fuel supply unit which supplies liquid fuel to this liquid-type fuel electromotive unit, an auxiliary power... |