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US20080113226 Energy storage device for loads having variable power rates  
An electrical energy storage device for storing electrical energy and supplying the electrical energy to a driving motor at different power levels is disclosed. The electrical storage device has...
US20060183008 Liquid fuel compositions for electrochemical fuel cells  
A liquid fuel composition useful for catalytic fuel cells is made up of at least two components. The primary fuel component is a surface-active compound, such as methanol, that is a source of and...
US20110100328 ELECTROLYSIS APPARATUS AND RELATED DEVICES AND METHODS  
A cell for use in an electrolysis unit includes a back wall, a side wall extending upwardly from and around a periphery of the back wall to define an inner region of the cell, an electrode...
US20050123815 Rechargeable and refuelable metal air electrochemical cell  
In one embodiment, a refuelable and rechargeable metal air electrochemical cell includes a removable and rechargeable metal fuel anode, and air cathode, a third electrode, and a separator in ionic...
US20070042244 Hybrid hydrogen fuel systems and methods  
Hybrid systems and methods for managing hydrogen system pressure and providing continuous electrical power during startup and hydrogen flow transients in an electrical power system are disclosed....
US20060194082 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...
US20050170245 Electrochemical cell recharging system  
A rechargeable electrochemical cell system is provided. The system includes a plurality of cells, wherein each cell is comprised of a first electrode, a second electrode, and a third electrode...
US20050153173 Energy device  
An energy device having high input-output performance, in particular being excellent in low temperature performance. An energy device characterized by storing and discharging electric energy by...
US20080199737 ELECTROCHEMICAL SUPERCAPACITOR/LEAD-ACID BATTERY HYBRID ELECTRICAL ENERGY STORAGE DEVICE  
A hybrid lead-acid battery/electrochemical capacitor electrical energy storage device. The lead-acid battery and electrochemical capacitor reside in the same case and are electrically connected....
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...
US20110012552 Electrical power source  
A portable power supply coupled to a garment, carrying bag, or other apparatus, is adapted for receiving energy at a solar cell or by way of a power input port for operating and charging a...
US20110086248 ASSEMBLED BATTERY  
The present invention relates to an assembled battery including a combination of two kinds of secondary batteries differing in battery property (charge voltage behavior), each secondary battery...
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...
US20140212705 SOLID DYE SENSITIZATION TYPE SOLAR CELL AND SOLID DYE SENSITIZATION TYPE SOLAR CELL MODULE  
A solid dye sensitization type solar cell includes a substrate, a first electrode disposed on the substrate, an electron transport layer including an electron transport semiconductor and disposed...
US20130244061 HYBRID BATTERY SYSTEM FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES  
A battery module for an electric vehicle or a hybrid electric vehicle having two or more battery components having different electrochemistries.
US20070087231 METHOD AND APPARATUS FOR MULTIPLE MODE CONTROL OF VOLTAGE FROM A FUEL CELL SYSTEM  
A fuel cell system determines each of a battery charging current error, a battery voltage error, and a stack current error. The fuel cell system regulates current through a series pass element in...
US20120040211 GLASS FILM FOR LITHIUM ION BATTERY  
A glass film for a lithium ion battery has a thickness of 300 μm or less and a surface roughness (Ra) of 100 Å or less.
US20080102322 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...
US20100304191 ENERGY STORAGE DEVICES HAVING CELLS ELECTRICALLY COUPLED IN SERIES AND IN PARALLEL  
A stacked energy storage device (ESD) has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second...
US20050112420 Power supply device  
A power supply device comprises a secondary cell group and a fuel cell group. The secondary cell group has an operative voltage range and may receive a voltage converted from a voltage converter...
US20130004800 HYDROGEN GENERATION SYSTEM AND METHOD FOR GENERATING HYDROGEN FOR MOBILE AND POWER GENERATOR  
A hydrogen generation system includes a hydrogen generation reaction section for containing a liquid mixture of formic acid and an ionic liquid, and decomposing the formic acid into hydrogen and...
US20070128472 Cell Assembly and Casing Assembly for a Power Storage Device  
A hybrid lead acid battery and porous carbon supercapacitor energy storage device is asymmetrically supercapacitive and comprises at least one lead electrode, at least two carbon-based electrodes,...
US20170047630 LITHIUM BATTERY MODULE  
A lithium battery module includes a sealed housing, a fixture and at least one soft-shell capacitor assembly. A one-way exhaust structure is disposed on the sealed housing. The fixture is...
US20070029124 Battery powered vehicle overvoltage protection circuitry  
Battery system with multiple electrochemical cell types, wherein one cell type(s) (e.g., aqueous electrochemical cells) provides overvoltage protection for other cell type(s) (e.g., lithium ion...
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...
US20130244063 HYBRID BATTERY SYSTEM FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES  
A battery module for an electric vehicle or a hybrid electric vehicle having two or more battery components having different electrochemistries.
US20130209839 COMPONENT INCLUDING A RECHARGEABLE BATTERY  
A component including a rechargeable battery and a method of producing such a component are disclosed. The component uses one of an acid and an alkaline chemistry and the battery has an anode...
US20120189877 COMPOSITE CARBON FIBER ELECTRODES INCORPORATING POROUS HIGH SURFACE AREA CARBON  
The claimed invention uses activated carbon fibers that incorporate porous carbon with a suitable pore size to maximize capacitance. The porous carbon material is prepared using a template,...
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...
US20070141431 Fuel cell closed structure  
A galvanic cell with a closed structure is provided. The cell may include a galvanic cell unit having a metal hydride anode, separators positioned on opposite sides of the metal hydride anode,...
US20130004801 REACTOR, SYSTEM AND METHOD FOR SOLID REACTANT BASED THERMOCHEMICAL PROCESSES  
A method and system for solid reactant based thermochemical process are disclosed. A metal oxide or solid reactant having a crystal structure associated with a characteristic state of high...
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...
US20140113162 METHOD AND ARRANGEMENT FOR MINIMIZING NEED FOR SAFETY GASES  
An arrangement is disclosed for reducing use for safety gases in a high temperature fuel cell system, each fuel cell in the fuel cell system including an anode side, a cathode side, and an...
US20120003507 BATTERY SYSTEM HAVING AN OUTPUT VOLTAGE OF MORE THAN 60 V DIRECT CURRENT VOLTAGE  
The invention relates to a battery system having an output voltage of more than 60 V direct current voltage. In the invention, at least two voltage sources having an output voltage of less than 60...
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...
US20060057433 Electrical storage device and manufacturing electrical storage device  
An electrical storage device of the present invention is characterized in that a positive electrode, a negative electrode, a lithium electrode, and an electrolyte capable of transferring lithium...
US20050112416 Battery assembly and battery pack  
It is an object of the invention to provide a technique for coping with the difference of self-discharge between battery groups that form a battery assembly. According to the invention, a battery...
US20070092764 FUEL-CELL-DRIVEN ELECTRIC VEHICLE  
A fuel-cell-driven electric vehicle can be provided on which the maintenance work can be performed easily without the need for removing the fuel-cell system from the vehicle body. A fuel-cell...
US20050118472 Power management system for hybrid fuel cell and battery driven electric vehicles  
A power management system includes a fuel cell based primary power supply and a rechargeable cell based secondary power supply and a charging control circuit arranged between the two power...
US20140057139 SELF-CONTAINED SOLAR-POWERED ENERGY SUPPLY AND STORAGE SYSTEM  
A system is disclosed for energy supply and storage. The system is self-contained. It comprises a means for generating solar electric power. Electric power can be converted to a liquid fuel, such...
US20120169129 Energy Storage Device  
An energy storage device formed by a combination of aqueous battery unit cells and non-aqueous battery unit cells is provided. The energy storage device comprises a first energy storage module...
US20160365613 BATTERY AND SUPERCAPACITOR HYBRID  
A battery and supercapacitor hybrid can include a first hybrid electrode. The first hybrid electrode can include a first electrode, a first current collector, and a first supercapacitor. The...
US20140186659 HYBRID BATTERY SYSTEM FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES  
A disclosed energy storage system for an application having an energy requirement and a power requirement may include a first component configured to provide the energy requirement of the...
US20050112457 Information handling system including battery assembly having multiple separable subassemblies  
An information handling system includes a battery assembly that is separable into two or more battery subassemblies to facilitate shipping. The battery subassemblies mechanically and electrically...
US20050074646 Apparatus and method for solid oxide fuel cell and thermo photovoltaic converter based power generation system  
A method and apparatus for providing a source of power, comprising: a solid oxide fuel cell system and a thermo photovoltaic device. The solid oxide fuel cell system provides a first source of...
US20130084474 ELECTROCHEMICAL HYDROGEN-CATALYST POWER SYSTEM  
An electrochemical power system is provided that generates an electromotive force (EMF) from the catalytic reaction of hydrogen to lower energy (hydrino) states providing direct conversion of the...
US20060269802 Electric energy storage device  
A long-life electric energy storage device with superior high-input/output load resistance includes a cathode including a region having a faradic reaction mechanism and a region having a...
US20050249989 Apparatus and method for hybrid power module systems  
A hybrid power module suitable for use in an array of hybrid power modules comprises a fuel cell stack, an energy storage device, charger circuit operable to charge the energy storage device from...
US20060228593 PEM-SOFC hybrid power generation systems  
A hybrid fuel cell system comprising a solid-oxide fuel cell system, a proton exchange membrane fuel cell system, a hydrocarbon reformer and a hydrogen separator. A large PEM provides output...
US20110064977 Leadless Starting Accumulator Batter, Processing Method and Its Use, Particularly for Combustion Engines and Motor Vehicles  
Accumulator battery, the processing method and its use, especially for combustion engines and motor vehicles, consist in serial-parallel connection of at least one or more NiMH—Nickel-metal...

Matches 1 - 50 out of 156 1 2 3 4 >