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7615312 |
Substituted phenothiazine redox shuttles for rechargeable lithium-ion cell
A rechargeable lithium-ion cell contains a positive electrode, negative electrode, charge-carrying electrolyte containing charge carrying medium and lithium salt, and an N-substituted or...
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7611790 |
Zinc/air battery with improved lifetime
A zinc/air battery includes a plurality zinc/air battery cells and an arrangement for exposing the plurality of zinc/air battery cells to air wherein the exposing arrangement opens the plurality of...
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7592094 |
Device, system and method for improving efficiency and preventing degradation of energy storage devices
Disclosed herein is a method and related device for improving energy performance and substantially preventing degradation of a chemical-to-electrical energy conversion process of an energy storage...
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7560188 |
Nickel-metal hydride rechargeable battery
In a nickel-metal hydride rechargeable battery comprising a positive electrode of nickel hydroxide and a negative electrode of hydrogen-absorption alloy, prolonged battery life is achieved by...
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7550224 |
Apparatus equipped with metallic manganese anode for generating power from voltage gradients at the sediment-water interface
An apparatus having a metallic manganese anode; a cathode capable of reducing at least one species found in marine water; and a rig coupled to the anode and the cathode capable of maintaining the...
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7527890 |
Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery
A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or...
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7525287 |
Battery pack for driving electric motor of compact engine starting device, engine starting device driven by the battery pack, and manual working machine having the engine starting device
This invention provides a battery pack for driving a compact electric motor of a compact engine starting device mounted on a working machine, comprising lithium-based secondary battery comprising...
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7514173 |
Water-activated cell and method of power generation
A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second...
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7510797 |
High capacity battery with integrally-powered cooling assembly
A high capacity battery including terminals on a terminal-bearing face thereof, and a plate member coupled in spaced-apart relationship to the terminal-bearing face to define a coolant gas flow...
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7508689 |
Inverter and a drive system using the inverter
A inverter has a switching device for switching DC to change it to AC, and a bipolar type rechargeable battery connected to the switching device in parallel or in series for smoothing the current...
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7507497 |
Method and apparatus for judging degradation of storage battery
A degradation judgment method, for a storage battery, according to the invention detects generation of a gas (hydrogen, oxygen, etc) after the start of charging of a lead-acid storage battery 10...
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7494729 |
Optimized battery performance
In an electrical instrument to which a plurality of battery blocks and/or a plurality of batteries are detachably connectable, to prevent a phenomenon that only specific battery and battery block...
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7432001 |
Prevention of lithium deposition in nonaqueous electrolyte cells by electrolyte-to-cathode weight ratio
The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by limiting the amount of electrolyte in the cell,...
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7419737 |
Fuel supply device for direct methanol fuel cells
A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the...
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7410710 |
Firstout shutdown tracing for fuel processor control system
A method and apparatus for determining which condition in a fuel processor has initiated a shutdown of the fuel processor are disclosed. In general, the apparatus generates a plurality of shutdown...
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7368191 |
Electrode array for use in electrochemical cells
The invention features an electrode array ( 7 ) in which pairs of electrodes ( 1 ) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each...
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7357015 |
Gas concentration sensor, hydrogen purification unit using this and fuel cell system
In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a...
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7327147 |
Device and method for determining characteristic variables for batteries
A method for determining characteristic variables for electrical states of an energy storage battery includes subdividing an electrolyte volume of the battery into at least two electrolyte volume...
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7326481 |
Fuel cell system
The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a...
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7318970 |
Architectural hierarchy of control for a fuel processor
A control technique for use in a fuel processor is disclosed. In one aspect, a control system includes a subsystem manager controller the operation of a respective physical subsystem for each of a...
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7227235 |
Electrowetting battery having a nanostructured electrode surface
A method and apparatus are disclosed wherein a battery comprises an electrode having at least one nanostructured surface. The nanostructured surface is disposed in a way such that an electrolyte...
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7160639 |
Johnson reversible engine
An reversible engine ( 10 ) is disclosed having a conduit system ( 11 ), a first electrochemical cells ( 12 ), and a second electrochemical cell ( 13 ). The conduit system ( 11 ) includes a first...
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7147972 |
Method and apparatus for achieving prolonged battery life
A composition for prolonging battery life by reducing water loss and the degradation of properties due to dendritic precipitation, is refreshingly added to a battery electrolyte. By the refreshment...
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7147950 |
Liquid fuel-housing tank for fuel cell and fuel cell
Disclosed is a fuel cell comprising a fuel cell body (stacked body) including a unit cell having an electromotive section in which an electrolyte membrane is sandwiched between a fuel electrode and...
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7147945 |
System for determining a gas composition within a shut down fuel cell power plant and method of operation
The invention is a system ( 10 ) and method for determining a gas composition within a fuel cell ( 12 ) of a shut down fuel cell power plant. The system ( 10 ) includes at least one fuel cell ( 12...
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7022290 |
System structure for in situ x-ray study of electrochemical cell component performance
A structural system for accurately reproducible in situ x-ray studies of operating rechargeable electrochemical battery cell electrode components comprises an hermetically sealed cell component...
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6955859 |
Battery pack system
A battery pack system is provided that can be replaced easily without modifying the side of an appliance using this battery pack system, on which charging is controlled by a voltage control, and...
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6939630 |
Composite electrode for reducing oxygen
A composite electrode for reducing oxygen that provides the quasi four-electron reduction at selectivity of nearly 100% is provided. The composite electrode includes an electrochemical catalyst A...
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6936372 |
Environmental control system for use with a battery cabinet and method of operating a fan therein
The present invention is directed to an environmental control system for use with a battery cabinet having at least one battery and a fan employable to circulate air through the battery cabinet,...
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6893766 |
Methodology for supply of reactant fluids to and purging of product and inert fluids from cells of fuel cell stack
A fuel cell system made up of a plurality of fuel cells. Each cell includes a fuel inlet, an oxidant inlet, a fuel side product outlet and an oxidant side product outlet. A common fuel supply line...
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6811903 |
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...
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6730429 |
Intermetallic negative electrodes for non-aqueous lithium cells and batteries
A method of operating an electrochemical cell is disclosed. The cell has an intermetallic negative electrode of Cu 6-x M x Sn 5 , wherein x is ≦3 and M is one or more metals including Si and a...
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6706440 |
Apparatus and method for injecting liquid into container
The present invention provides a liquid injection apparatus for injecting liquid into a container, comprising an injection chamber, a container for a liquid to be injected and entirely sealed...
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6692862 |
Redox flow battery and method of operating it
By realizing or installing check valve liquid vein interrupters in each compartment of the battery the phenomenon of slow discharge of the retained volumes of electrolytes during long periods of...
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6656631 |
Battery housing, electricity delivering system and method of delivering electricity
The present invention includes a housing having a casing and a cap. A connecting conductor is joined to the cap, and a plunger conductor assembly is electrically connected to the connecting...
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6635387 |
Method and apparatus for achieving prolonged battery life
A composition for prolonging battery life by reducing water loss and the degradation of properties due to dendritic precipitation, is refreshingly added to a battery electrolyte. By the refreshment...
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6605375 |
Method of activating hydrogen storage alloy electrode
A method of activating a hydrogen storage alloy electrode. The method comprises the step of applying current cycles to the electrode where each current cycle includes a forward pulse effective to...
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6599655 |
Procedure for performing battery reconditioning on a space vehicle designed with one battery
A method of reconditioning a battery having a plurality of cells in a plurality of packs comprises electrically connecting the plurality of packs in series. A selected pack for reconditioning is...
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6596433 |
Method and device relating to battery temperature regulation
The present invention pertains to the field of methods and devices for battery ( 9 ) temperature regulation. Phase change material ( 7;7 a ,7 b ) having a phase change temperature within a...
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6596431 |
Battery and method for generating an electric power
For utilizing the chemical energy of a sugar directly as electric energy, electrolytic oxidation of a sugar on the negative electrode associated with cleavage of a carbon-carbon bond thereof is...
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6589686 |
Method of fuel cell activation
A method of activating a metal hydride electrode of an alkaline fuel cell. The method comprises the step of applying current cycles to the anode where each current cycle includes a forward current...
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6511764 |
Voltaic pile with charge equalizing system
A voltaic pile has first and second terminals by which it is charged and discharged. The pile comprises a plurality of modules ( 3 ), each having respective third and fourth terminals with a...
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6503651 |
Methodology and apparatus for supply of reactant fluids to and purging of product and inert fluids from cells of fuel cell stack
A fuel cell system made up of a plurality of fuel cells. Each cell includes a fuel inlet, an oxidant inlet, a fuel side product outlet and an oxidant side product outlet. A common fuel supply line...
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6444349 |
Sealed nickel-metal hydride storage cell
A sealed nickel-metal hydride storage cell comprises a positive electrode whose electrochemically reactive material is a hydroxide containing principally nickel and a negative electrode whose...
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6383679 |
Self-tuning charge controller for nickel hydrogen batteries
After discharge, a rechargeable battery having a nickel hydroxide positive electrode is charged at a temperature T 1 between a proximately −10° C. and −30° C., lower than a temperature T 2 ,...
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6258479 |
Method for determining amount of water to be added to a NiCd cell
Deficiencies in the electrolyte level of the cells of NiCd battery can be detected by measuring the internal resistance of the cells. Initially, data is collected for a battery type and capacity,...
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6242125 |
Battery circulation system with improved four-way valve
A circulation system for a flowing-electrolyte battery having at least one electrochemical cell, an anolyte reservoir, and a catholyte reservoir. The circulation system includes an anolyte pump...
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6194094 |
Polymer electrolyte fuel cell
A gas diffusion layer including an electroconductive porous material and 16-55% by weight of fluororesin added to the electroconductive porous material is used for at least one of the positive...
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6127054 |
Method of and apparatus for power generation
Thermal decomposition of a reactant, XY, proceeds on a negative catalytic electrode to form products, X and Y. The product Y is a cellular reaction material, which separates into ions, Y + , and...
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6106968 |
Smart valve regulated lead acid battery with embedded electronic monitoring and fluid fill system
For use with a valve regulated lead acid (VRLA) battery, a fluid fill system and a method of maintaining fill fluid in a VRLA battery. In one embodiment, the system includes: (1) a fluid...
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