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Matches 351 - 400 out of 1,326

Document Document Title
WO/2005/020352A1
Using this invention, it is possible to obtain electrical energy by producing Hydrogen and Oxygen using water electrolysis and then running these gases through a fuel cell. It is also possible to content with the Hydrogen and Oxygen gase...  
WO2005001955A3
Auxiliary fuel cell system (16) that provides backup power to a primary power source (14), and energy-consuming systems (12) that are otherwise associated with at least one primary power source (14) and at least one auxiliary fuel cell s...  
WO2004032265A3
An electronic apparatus has a fuel cell for generating electric power with a reaction portion and an auxiliary mechanism for fuel supply to the reaction portion, an electronic device being operable with the electric power provided from t...  
WO2004010522A3
A fuel cell system is protected by monitoring at least one fuel cell parameter, comparing the parameter to a preset level, and disconnecting or reconnecting a main load in response to the fuel cell parameter. For example, a fuel cell sys...  
WO2003061041A3
An electrochemical power system including one or more fuel cells integratedon or into a substrate is described. For each fuel cell, at least two stacked layerscomprising a cathode layer and an ion exchange layer are situated within thesu...  
WO/2005/013403A2
An electrochemical device comprises an electrochemical reactor that includes a single or multiple electrochemical cells and a galvanostat, a gas source and a fuel cell system. Each of the electrochemical cells includes an anode compartme...  
WO/2005/011045A1
A hybrid power supply includes a fuel cell and an interface between the fuel cell and a fuel cartridge or external battery and a switching type DC/DC boost type converter that receives energy from the fuel cell or external battery and is...  
WO/2005/008822A1
A liquid type fuel cell system includes: a liquid type fuel cell unit (1) for outputting a first voltage; a boosting circuit (8) for boosting the first voltage (Vin) outputted from the liquid type fuel cell unit (1) and supplying a secon...  
WO/2005/008820A1
Disclosed herein are a device as well as a method for tuning and improving the performance of batteries and of fuel cells for the production of electrical energy in an efficient manner. The device consists of an auxiliary electrical circ...  
WO/2005/008817A1
A fuel cell is connected with a secondary cell for backup and when the output from the fuel cell drops, the fuel cell is disconnected from a load and the load is driven with the secondary cell. When the residual capacity of the secondary...  
WO/2005/004261A2
The invention relates to fuel cells that are operated with liquid, vaporous, or gaseous fuels or fuel mixtures, the electric power generated in the fuel cell (BZ) being immediately supplied to a parallel electrical energy store or a devi...  
WO/2005/003941A1
Issuing guideline for content of control of a fuel cell as a power source for various kinds of electronic equipment and performing appropriate power source management control according to a load. A notebook-type computer has a hybrid pac...  
WO2003098730A3
An electric power plant includes an array of fuel cell systems. The fuel cell systems are electrically couplable in series and/or parallel combinations to provide a variety of output powers, output current and/or output voltages. The fue...  
WO/2005/004269A2
In a power supply device (15) including a fuel cell unit (20) with a stack of fuel cells or a fuel cell stack (22) and a secondary battery (30), an intermittent drive mode is selected under a preset condition to receive power supply only...  
WO/2005/001955A2
Auxiliary fuel cell system (16) that provides backup power to a primary power source (14), and energy-consuming systems (12) that are otherwise associated with at least one primary power source (14) and at least one auxiliary fuel cell s...  
WO/2005/001974A1
A fuel cell/constant pressure turbine/hybrid system which is capable of making effective use of the heat energy of exhaust gas from a constant pressure high temperature type fuel cell, which makes it unnecessary to use a separate protect...  
WO/2005/001986A2
An electronic device includes electrical circuits that provide operative functionality of the device, a fuel cell to power the electrical circuits during certain periods of operation, an interconnect to connect between a battery and a fu...  
WO2003003484A3
A portable power supply for electrical appliances (900) is disclosed that comprising of a wearable frame (905), a power generation unit (910), a fuel supply container (920), and an electrical appliance, which supplies electrical power fr...  
WO/2004/114449A2
The invention relates to a method of protecting a fuel cell (12) comprising elementary cells, whereby said cell is supplying electric power in response to a power demand. Moreover, a booster circuit (30) is adapted to supply complementar...  
WO/2004/112447A2
Inductively coupled plasma (ICP) reforming converts carbonaceous compounds into a fuel for use in generating electrical power. Energy rich hydrocarbon fuels, such as coal, marine diesel, oils, and hydrocarbon wastes are employed as a fee...  
WO/2004/112179A2
When a command for stopping electric generation by a fuel cell is issued, shutoff valves are closed (at time t1), and then a time-dependent change in pressure (P) in a closed passage area including the fuel cell is detected. A pressure c...  
WO2003083984A3
A chemical reaction apparatus includes a solid body in which a reaction flow path is formed, and a heater having a thin-film heater formed on the body to oppose the reaction flow path and at least partially exposed to the reaction flow p...  
WO/2004/105171A2
An electrochemical cell includes a hydrogen generator and a hydrogen fuel cell.  
WO/2004/105170A1
The present invention comprises a system for use of fuel cells in stationary/mobile devices with a stable/unstable load profile, having: a fuel cell; a buffer for storage of surplus energy arranged to function as a regulating system betw...  
WO/2004/102715A1
A black start operation employs the accumulation of power resulting from a reaction of fuel and ambient oxidant passively seeped or diffused into a fuel cell stack to bootstrap the fuel cell system operation.  
WO/2004/102720A1
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 supplied, a battery (7) as a secondary c...  
WO2003063281A3
The present invention provides methods (300, 400) for providing a portable disposable fuel-battery unit (500), a portable disposable fuel-battery unit (220) for a fuel cell system (200) having at least one fuel cell, a fuel cell stack (2...  
WO/2004/100298A2
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 system, an electric storage device supplies the...  
WO/2004/098064A2
A fuel cell based power supply comprises a main power converter architecture that allows the fuel cell stack to operate independently of a desired output voltage. The fuel cell stack may be directly connected to the main power converter ...  
WO/2004/095611A1
A battery pack (20) reduced in size and weight. The battery pack (20) receives a combination battery constituted of different kinds of battery groups (24, 26) connected in series. The voltage of a battery group (26), of the battery group...  
WO/2004/093212A2
A system and method for controlling or otherwise effectively managing cell voltage degradation in the operation of a fuel cell device comprises inter alia a fuel cell (110) in parallel electrical connection with a secondary power source ...  
WO/2004/093288A1
A power generation control system for a fuel cell, which includes a rechargeable battery (5), and a controller (10) including: a unit (101) for computing a target power to be generated by a fuel cell (3); a unit (106) for detecting avail...  
WO/2004/091003A2
This invention relates to a fuel cell device to provide portable electrical power. Among other applications, the device can be used for energy generation and distribution industries. In one embodiment a transportable fuel cell generator ...  
WO2004068615A3
A hybrid battery power source (20) for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase ...  
WO/2004/086545A2
A control device (10) for a vehicular fuel cell system (S) is provided with a warm-up output control section (8) operative, when a fuel cell system is started up under a low temperature condition and in case that a fuel cell stack of the...  
WO/2004/083036A1
A fuel container according to the present invention includes a container body (15), a fuel (10) provided in the container body (15), a draining port (9) provided to the container body (15) for supplying the fuel (10) to the outside of th...  
WO/2004/081259A2
Described herein is a system for the co-generation of hydrogen gas and electricity, wherein the proportion of hydrogen to electricity can be adjusted from 0 % to 100 %. The system integrates fuel cell technology for power generation with...  
WO/2004/082040A2
An energy supply (ES) is formed by a fuel cell (1), a power distributor (4) connected to the fuel cell (1), and a secondary cell (7) connected to the power distributor (4), a whole load set (WL) is connected to the power distributor (4),...  
WO/2004/075316A2
The invention relates to an electrochemical energy source comprising at least one fuel cell, which fuel cell comprises: a first current collector coupled to a negative electrode, a fuel source connected to said negative electrode, a seco...  
WO2003088390A3
A multilayered ceramic chemical reactor (10) and method of making the chemical reactor for use in an integrated fuel reformer in the form of a chemical combustion heater or a steam reformer. The ceramic chemical reactor including a three...  
WO/2004/068615A2
A hybrid battery power source (20) for implantable medical use provides a generally constant low internal resistance during discharge and avoids voltage delays of the type that develop as a result of run down-induced resistance increase ...  
WO2004017442A3
The invention relates to an electrode-conductor section provided with a number of electrodes (5, 6) of the same polarity and with a conductor (3, 7) on at least one battery comprising an inventive electrode-conductor section, and to a me...  
WO/2004/064185A2
The invention relates to a fuel cell system for supplying electric power to at least one electric consumer. Said fuel cell system comprises at least one fuel cell, a power storage device, and a switching device for separating and connect...  
WO2004032303A3
This invention presents a method and apparatus for controlling the operating point, i.e., the output voltage or current, of a fuel cell (61) to a desired value, efficiently transferring the available fuel cell power to a rechargeable bat...  
WO2004042854A3
A fuel cell system (1, 100) adapted to be installed on a moving object (V) is provided with an electric power generating element (31, 45) including a fuel cell (31) supplied with fuel gas and oxidizing gas to generate electric power, a w...  
WO2004021466A3
The invention relates to a fuel cell system comprising at least one fuel cell (4), an electric intermediate accumulator (7), which is connected to common supply terminals (8) for an electric consumer (9), at least one sensor (10) for det...  
WO/2004/055931A1
A power generation module for generating electric power by using fuel has a fuel package accommodating portion capable of accommodating a fuel package which has a fuel supply hole and a collection hole having a shape or size different fr...  
WO/2004/055929A1
A power supply system for supplying electric power to a load is disclosed. The power supply system comprises first and second power supply wirings to be connected to the load, a fuel cell system having a fuel cell connected between the f...  
WO/2004/054020A1
An electronic device and a fuel cell have some components in common to eliminate a waste of components, and it is arranged that a fuel cell can be efficiently installed in each type of electronic device. The invention relates to a fuel c...  
WO2004025799A3
A regulated DC power supply facilitates extended and uninterrupted power to a load (14) by using a secondary power source such as a regenerative fuel cell (24) that has its DC power output (30) conditioned by a power converter (26, 28). ...  

Matches 351 - 400 out of 1,326