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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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6887615 Microvalve for controlling fluid flow  
A microvalve ( 10 ) for controlling fluid flow, including a body portion ( 14 ) having at least one opening ( 18 ) formed therein, a shutter ( 12 ) located adjacent to and substantially parallel...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6588461 Apparatus for electrolyte injection  
An electrolyte injection apparatus for injecting an electrolyte into a battery case tightly closed except an electrolyte injection hole, said apparatus comprising an electrolyte injection nozzle...
6586132 Sealed battery pack  
In a sealed battery pack comprising a plurality of serially disposed cells in which power generating elements are housed in prismatic cell cases and the openings thereof are sealed, the plurality...
6573008 Battery system  
The present invention relates to a cell for the production of electric energy by reaction between hydrogen peroxide or oxygen, and aluminium or lithium or a mixture thereof, and hydroxyl ions in...
6551740 Battery assembly and a method for cooling a battery assembly  
A battery assembly 10 including a generally hollow housing 14 and several batteries 12 which are disposed within the interior cavity 16 of the housing 14. Particularly, the batteries 12 ...
6541151 Battery assembly system used for electric vehicle  
A battery assembly system used for an electric vehicle having a configuration in which electrolyte is not released from an exhaust passage even if the electrolyte is released in a mist state from a...
6509115 Secondary battery having cap assembly  
A secondary battery having a cap assembly, including an electrode assembly; a case in which the electrode assembly is located; a cap assembly having a cap plate coupled to and hermetically sealing...
6497976 Method for electrolyte injection  
An electrolyte injection method for injecting an electrolyte into a battery case tightly closed except an electrolyte injection hole, said method comprising an electrolyte injection nozzle...
6482542 Integrated sealed secondary battery  
In an integrated sealed secondary battery 1 in which a plurality of cells 2 are arranged in a row, cooling medium passages 21 are formed on both sides of the row of the cells 2, and cooling...
RE37901 Leak resistant battery cover  
The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the...
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