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7601455 |
Lithium rechargeable battery
A lithium rechargeable battery includes a bimetal and a current interruption means that is actuated by the inner pressure or heat generated from within the rechargeable battery in the case of an...
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7585583 |
Metal stack for fuel cells or electrolysers
A stack, to be used in a fuel cell or electrolyzer, includes a collector layer, at least one diffusion layer and at least one anchoring layer. The collector layer being a metal foil or metal plate...
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7557531 |
Power system utilizing flow batteries
The present invention is an energy generating system which uses an advanced aqueous-electrolyte energy storage system in conjunction with a commercial available primary source of power and a backup...
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7547487 |
Multi-cell battery assembly
A multi-cell battery in which a plurality of electrochemical cells are disposed in a battery case. The battery case includes one or more partitions which divide the interior of the case into a...
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7531269 |
Battery comprising at least one electrochemical storage cell and a cooling device
A battery has at least one electrochemical storage cell and a cooling device. The at least one electrochemical storage cell is placed between parts of the cooling device. The cooling device is...
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7517608 |
Inherently safe redox flow battery storage system
An improved redox battery energy storage system is disclosed for reducing oxygen gas levels and separating oxygen gas from hydrogen gas, thus reducing the likelihood of flammable gas explosions....
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7507500 |
Design of a large battery pack for a hybrid locomotive
The present invention is directed to systems for prolonging battery life, such as maintaining battery cell temperatures in battery packs within specified limits, providing vibration and shock...
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7504175 |
Battery having a cover and a degassing channel system sealed with annular projections and sealing elements
A battery includes a housing having a plurality of cell vessels and a plurality of positive and negative electrode plates provided within the cell vessels. The battery also includes a lower cover...
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7482081 |
Battery system with in-situ and on-time continuous regeneration of the electrodes
The battery system of this invention continuously regenerates the electrodes of the battery in-situ and on-time as the electrodes are consumed during discharge, which concurrently generate electric...
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7479347 |
Prismatic battery having electrolyte injection-hole capable of excellent sealing-disposition
Disclosed herein is a prismatic battery having an electrode assembly mounted in a prismatic battery case, wherein an electrolyte injection hole formed in a base plate mounted to an open upper end...
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7381494 |
Electric battery assembly and method of manufacture
An energy storage device, such as an electrical storage battery, having a unique terminal structure, sealing arrangement and an S-shaped mandrel for the electrode assembly. The battery generally...
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7378180 |
Air electrode batteries
A battery includes an air electrode and an air access passageway that is closed by a non-liquid valve actuable by differential pressure to provide an opening therein to admit air to the battery.
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7378168 |
Fluid regulating microvalve assembly for fluid consuming cells
A fluid regulating microvalve assembly for use to control fluid flow to a fluid consuming electrode, such as an oxygen reduction electrode, in an electrochemical cell. The microvalve assembly...
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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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7344800 |
Battery design for implantable medical devices
An improved battery design which is particularly suitable for use in an implantable medical device is disclosed. The design utilizes a two-part case for the battery contents which allows freedom...
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7294432 |
Battery having improved headspace insulator
A headspace insulator for a battery cell operatively coupled to circuitry within an implantable medical device in including one or more of the following: (a) a body of electrically and thermally...
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7241529 |
Secondary battery including improved cap assembly and plug for the secondary battery
A secondary battery including a cap assembly with a structure improved for tight sealing and a plug therefor are provided. The secondary battery includes a battery unit formed by rolling a stack of...
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7220515 |
Pressure fluctuation prevention tank structure, electrolyte circulation type secondary battery, and redox flow type secondary battery
A simplified, pressure-variation preventing tank structure capable of preventing pressure variations in a gas phase portion resulting from temperature variations, without bringing stored liquid...
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7172831 |
Battery system for automotive vehicle
A battery system for an automotive vehicle includes a battery case having a number of battery cells housed within the case. Coolant passages extend about the battery cells, and a coolant pump or...
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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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7122276 |
Pouch type secondary battery with safety vent
A pouch type secondary battery has a safety vent which prevents explosion and fire by removing a sealing mechanism of a pouch casing when the internal temperature increases due to overcharging,...
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7122273 |
Light bipolar plate for fuel cell and method for making same
The two-pole plate is relatively lightweight and can be manufactured quickly and easily. It consists of a skeleton made with two thin plates ( 30 ) spaced by blocks ( 34, 45 ) between which a...
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7101640 |
Screw-in vent plug for lead-acid batteries
A venting plug for a wet, lead-acid storage battery, a battery containing the same, a method of molding the venting plug body, and a mold for molding the venting plug body are disclosed. The...
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7097935 |
Rechargeable battery
A rechargeable battery includes a housing having at least two cells and a cover which closes the housing. The cover includes a lower part which is coupled to the housing, an upper part which is...
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7087347 |
Vehicle battery jar structure
A battery jar structure includes a main body, a top cover, a plurality of urging members, a plurality of inner covers, a first top plate, and a second top plate. Thus, the guide portion of each of...
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7049026 |
Apparatus for filling the case of a lead battery with components for forming a gelled electrolyte
Apparatus for filling the case ( 20 ) of a lead battery of the open type or of the sealed type with gas recombination, the case being filled with components for forming a gelled electrolyte, and...
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7029786 |
Single point watering apparatus for lead-acid battery
The present invention is directed to a single point watering system for use with a lead-acid battery having a plurality of battery cell access ports. The system comprises a plurality of refill...
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7011906 |
Battery for an electrical appliance that consumes low voltage battery
A battery for electrical appliances that consume low voltage battery has a body containing a fluid material that is composed of active carbon and water therein, two conductive rods functioning as...
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6916571 |
PEM fuel cell passive water management
Water flow field inlet manifolds ( 33, 37 ) are disposed at the fuel cell stack ( 11 ) base. Water flow field outlet manifolds ( 34, 38 ) are located at the fuel cell stack top. Outlet and inlet...
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6908704 |
Method of manufacturing secondary battery
A method of manufacturing a secondary battery includes preparing a winding-type electrode assembly by interposing a separator between a positive electrode plate and a negative electrode plate and...
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6908500 |
System and method for controlling gas transport in a fuel cell
A system and method for controlling or otherwise effectively parameterizing the transport of dissolved, retained and/or exhausted gaseous byproducts generated in the operation of a fuel cell device...
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6893771 |
Battery assembly
A battery assembly includes a plurality of battery modules electrically connected together, each battery module acting as a secondary battery and including an electrode group, an electrolyte, a...
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6887614 |
End cap assembly for an electrochemical cell
An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted metal support disk and underlying insulating sealing disk....
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6887609 |
Fuel cell system and method for operating the fuel cell system
A fuel cell system and method of operation in which the fuel cell system has a fuel cell unit with anode and cathode, a media flow path for supplying substantially pure hydrogen to the anode, a...
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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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6864012 |
Recombinator for the re-acidification of an electrolyte stream in a flowing electrolyte zinc-bromine battery
A recombinator device and associated method for re-acidification of an electrolyte in a flowing electrolyte zinc-bromine battery. The recombinator device receives hydrogen, formed as a result of...
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6858342 |
Electrolyte solution filling method and battery structure of lithium secondary battery
Provided are a method for filling an electrolyte solution and a battery structure of a lithium secondary battery comprising an internal electrode body formed by winding a positive electrode, and a...
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6857172 |
Method of manufacturing ferroelectric capacitor
According to the present invention, a method of manufacturing a ferroelectric capacitor using a ferroelectric thin film, includes steps of: forming a lower conductive layer on a semiconductor...
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6846591 |
Battery casing
A battery casing, particularly suitable for a lead acid type battery, comprises a lid having a recess insert into the top surface, at least one vent at the base of the recess through which gas is...
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6838207 |
Sealed battery with less electrolyte leakage
The object of the present invention is to provide a sealed battery that includes a gas release valve formed on the closure cap by covering a gas release hole with a thin film that rarely breaks...
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6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction
For carrying out a heterogeneously catalyzed reaction, such as the generation of hydrogen from hydrocarbons or alcohol, a reaction mixture comprising a hydrocarbon and water is supplied to a...
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6824915 |
Air managing systems and methods for gas depolarized power supplies utilizing a diaphragm
Air managers for power supplies such as metal-air batteries or fuel cells are described. In some embodiments, the air managers can include a diaphragm, the movement of which can cause air to be...
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6818342 |
Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate
A method of forming a protective coating on a cell safety valve element by coating the cell safety valve element with a protective film to protect metal portions thereof against corrosion, a cell...
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6764789 |
Redox flow battery
The present invention provides a redox flow type battery which a liquid-circulating battery comprising a battery cell and storage tanks for positive and negative electrolytes, wherein the battery...
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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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6706433 |
Refuelable electrochemical power source capable of being maintained in a substantially constant full condition and method of using the same
A refuelable electrochemical power source includes one or more electrochemical cells adapted to employ particulate material electrodes. The one or more cells include a cell body defining an...
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6682846 |
Charging element device and holding structure therefor
A charging element device comprises a positive electrode terminal and a negative electrode terminal which are located at one end of a cylindrical battery case having a positive electrode and a...
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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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6620543 |
Electrochemical cell having can vent and cover terminal
An electrochemical cell has a can having a first end, a second end, a side wall extending between the first and second ends, and an end wall extending across the first end. Positive and negative...
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6602633 |
Crush type pressure detecting device, rechargeable battery with pressure detecting device, and portable electronic device
A crush type pressure detecting device less in occurrence of malfunction, simple in structure, and inexpensive to manufacture is presented. On a crush plate 120 made of ceramics or the like, a...
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