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8158277 |
Cross-flow electrochemical batteries
A cross-flow electrochemical cell for producing electricity is disclosed that incorporates means for cross-flow pumping of electrolyte through both anode and cathode electrodes in the same...
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8137831 |
Electrolyte flow configuration for a metal-halogen flow battery
A flow battery and method of operating a flow battery. The flow battery includes a first electrode, a second electrode and a reaction zone located between the first electrode and the second...
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7993768 |
Energy storage device and method
A composition is provided that includes a ternary electrolyte having a melting point greater than about 150 degree Celsius. The ternary electrolyte includes an alkali metal halide, an aluminum...
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7855005 |
Apparatus and methods of determination of state of charge in a redox flow battery
Methods for determining the state of charge of an electrolyte solution in a redox battery by optical absorption spectrophotometry are disclosed. The state of charge thus obtained may serve as a...
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7736791 |
Dialytic power generator using diffusion gradients
The invention describes a current generating cell device, which uses concentration gradients to create the electric flux. The cell is preferably defined by the use of a porous separator or bi-polar...
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7719233 |
Battery pack
A battery assembly of a battery pack has a structure in which a substrate holder abuts on a side surface of a cell with a protecting circuit being held. The substrate holder includes a first side...
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7709126 |
Electrokinetic micro power cell using pile-up disk type microfluidic-chip with multi-channel
Disclosed is a micro power cell capable of being applied as an energy source and utilizing a streaming potential phenomenon occurring in accordance with an electrokinetic principle when an...
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7678495 |
Graphitic nanostructured battery
A method and apparatus are disclosed wherein a battery comprises at least one electrode formed from a graphitic carbon nanostructured surface wherein the nanostructured surface consists of a...
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7675292 |
Method of determining acid stratification in rechargeable batteries
A method of determining a stratification of an electrolyte in an active mass of positive electrode plates in rechargeable batteries includes determining a variation of at least one of a charging...
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7537859 |
Redox flow battery
A redox flow battery 1 has a stack of individual cells, shown diagrammatically as a single cell, with anolyte and catholyte compartments divided from each other by an ionically selective and...
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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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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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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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7361427 |
Manifold for a pile configured battery
An improved method of fabricating and discharging a pile configured battery which utilizes an electrically conductive flowing aqueous electrolyte. This is accomplished by use of a single piece...
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7358001 |
Process for operating a regenerative fuel cell
In the regenerative fuel cell, a positive chamber is separated from a negative chamber by a cation exchange membrane. The positive chamber comprises a positive electrode and a bromine-containing...
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6887600 |
Regenerative fuel cell with pH control
The present invention relates to a process for operating a regenerative fuel cell (RFC). The process involves circulating a first electrolyte (electrolyte 1) through the negative chamber of the...
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6821669 |
Liquid electrolyte battery
The invention relates to a liquid electrolyte battery, which is preferably used in moving vehicles, such as e.g. in cars, boats or aircraft. The battery contains devices bringing about a...
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6764588 |
Method of and system for flushing one or more cells in a particle-based electrochemical power source in standby mode
A method of and system for flushing one or more cells or components thereof in a particle-based electrochemical power source is provided. Reaction solution is delivered to and withdrawn from the...
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6759158 |
System for proclusion of electrical shorting
The invention comprises a system for identifying an electrical short in a flowing electrolyte battery. The system for identifying an electrical short in a flowing electrolyte battery comprises a...
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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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6521364 |
Flame colorant additive for methanol for the operation of a fuel cell system
A flame colorant additive for methanol for the operation of a fuel cell system includes at least one of (1) NaCl; (2) an organic compound of an element of the first principal group or of the second...
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6475653 |
Non diffusion fuel cell and a process of using the fuel cell
A fuel cell having an anode immersed in an electrolyte in an anode tank, and a cathode immersed in the electrolyte in the cathode tank, and the anode and the cathode connected to an external...
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6465121 |
Method for distributing electrolyte in batteries
A method for activating electrochemical cells including the steps of sealing the electrochemical cells in a container with an activating electrolyte solvent and salt, treatment steps, such as the...
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6355373 |
Battery
The invention relates to a battery which, for maintenance or in a danger situation, can be simply and reliably transferred from an operative state into a safe, inoperative state, whilst avoiding a...
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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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6214489 |
Method and apparatus to obtain the agitation of electrolyte inside a lead-acid storage battery
The invention concerns a method to obtain the agitation of the electrolyte inside a lead-acid storage battery comprising at least one canalization duct (4) of electrolyte which is immersed inside...
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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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6153328 |
System and method for preventing the formation of dendrites in a metal/air fuel cell, battery or metal recovery apparatus
A System and method is disclosed for preventing dendrite formation in a fuel cell, battery or metal recovery system. Typical metal/air fuel cell stacks comprise a plurality of cells electrically...
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5952117 |
Method and apparatus for refueling an electrochemical power source
A transportable container for refueling a refuelable battery includes a case, an electrolyte reservoir within the case, a first valve connected to the electrolyte reservoir, a fuel compartment...
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5789585 |
Aza crown ether compounds as anion receptors
A family of aza-ether based compounds including linear, multi-branched and aza-crown ethers is provided. When added to non-aqueous battery electrolytes, the new family of aza-ether based compounds...
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5759711 |
Liquid-circulating battery
The present invention provides a liquid-circulating battery including a positive electrode, a negative electrode, a permeable membrane interposed between the positive and negative electrodes to...
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5733679 |
Battery system and a method for generating electrical power
The present invention relates to a dry composition of materials to be used n a battery system. The dry composition comprises a mixture consisting of sodium hydroxide and sodium oxide. In a first...
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5702842 |
Process for charging and discharging zinc/bromine batteries
A process for charging and discharging zinc/bromine batteries with a plurality of anode and cathode chambers into and from which anolyte or catholyte fluids are fed and drained. Metallic zinc is...
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5665486 |
Container for rapid charged storage batteries
The invention is a container for storage batteries including a box (3, 20) provided with one or more cells, each of which is suitable to receive metallic plates (10) dipped in the electrolyte and...
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5612148 |
Process for energy storage and/or power delivery with means for restoring electrolyte balance
An electrochemical apparatus for energy storage and/or power delivery comprises multi-compartment cells with the +ve chamber and the -ve chamber of each cell being separated by at least one buffer...
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5608181 |
Electric power generating element
In an electric power generating element, either positive or negative electrode includes a composition containing an organic compound as a main agent and the positive electrode has an electrically...
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5558947 |
Rechargeable battery system and method and metal-air electrochemical cell for use therein
Rechargeable metal-air battery systems comprise a plurality of plate groups (40) disposed within a battery cell (12) and have input and output conduits (13, 14). A fluid electrolyte is circulated...
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5543243 |
Battery electrolyte circulation system
A liquid electrolyte battery (10) comprises a number of electrolytic cells (12), an inlet port (22) extending into a first electrolytic cell (12-1), an electrolyte transport channel (30) residing...
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5525437 |
Electrochemical cell having a liquid electrolyte and spiral-wound electrodes with improved electrolyte filling
The present invention provides an electrochemical cell having a liquid electrolyte and spiral-wound electrodes provided with an axial chimney for electrolyte filling purposes and placed inside a...
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5512384 |
Battery and method of battery control for enhancing electrochemical reactions
The battery includes an anode and cathode structure spaced a fixed distance apart, a movable conveyor having electrolyte impregnated therein and means for advancing the conveyor to engage the anode...
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5439757 |
Electrochemical energy storage and/or power delivery cell with pH control
An electrochemical process for energy storage and/or power generation and apparatus comprises cell array of unit cells (10), each cell comprising a +ve electrode (12) and a -ve electrode (14) with...
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5376471 |
Aluminium battery with electrolyte circulation means
An aluminum cell comprises an electrolysis region with a top reservoir and a sump below. Circulation of electrolyte is by convection. The cell is designed to continue operation past the point at...
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5340667 |
Battery recirculation and recharge system
A system for increasing the efficiency of electro-chemical batteries includes a liquid electrolyte battery having positive and negative terminals and electrolyte fluid input and output ports. The...
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5225291 |
Deferred actuated battery assembly
There is disclosed an improved deferred actuated battery assembly including a plurality of electrochemical cells comprised of a hybrid cathode member and an anode member formed of a material...
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5178972 |
Power cell with new configuration
There is disclosed an electrochemical power cell comprised of an anode member and cathode member mounted via an intermediate non-porous dielectric layer having a volume resistivity of at least 1000...
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5162168 |
Automatic voltage control system and method for forced electrolyte flow batteries
In a preferred embodiment, voltage control system and method which include providing voltage sensing and control circuitry which measures the output voltage of a battery and provides an output...
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5104497 |
Electrochemical process for treating liquid electrolytes
A process for the manipulation of liquid electrolyte and gas during the operation of an electrochemical cell having at least one gas diffusion electrode and a counter electrode forming an...
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5061578 |
Electrolyte circulation type secondary battery operating method
A method of operating a secondary battery including a stack of secondary cells operable, in the presence of electrolytes, in a charge mode charging electrical power from a source of electrical...
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5032474 |
Aluminium batteries
The invention concerns batteries with aluminium alloy anodes, and generally aqueous alkaline electrolytes and cathodes. The anode in an alloy of Al with an activating element selected from Cd, Sn,...
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4963444 |
Internal hydrostatic pump for a mobile vehicle battery
A hydrostatic pump for application in a battery experiencing sudden changes in velocity or direction such as in a golf cart. The cells of the battery are provided with hydrostatic pumps using the...
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