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7597992 |
Film covered electrical device, frame member, and housing system for film covered electrical device
Disclosed is a laminate cell ( 1 ) comprising an electric power generating element ( 2 ) and a laminate film ( 7 ) so arranged as to surround the electric power generating element ( 2 ). The...
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7572544 |
Sealed rechargeable battery
In a closure assembly for sealed rechargeable batteries, upon a metallic foil is placed a spacer having an aperture that is larger than an upwardly protruding portion of the foil but smaller than...
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7527891 |
Seal for an electrochemical cell
An electrochemical cell with a vent assembly that reliably prevents resealing of a vented seal member is provided. The vent assembly seals the end of a container that includes a first electrode, a...
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7521148 |
Cap assembly and secondary battery utilizing the same
A secondary battery includes an electrode assembly realized by layering and/or winding an anode, a cathode, and a separator; a case having a space into which the electrode assembly is inserted; and...
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7501197 |
Cap assembly and secondary battery with same
A secondary battery includes a container an electrode assembly mounted in the container having a positive electrode, a negative electrode, and a separator interposed between the positive electrode...
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7432010 |
Battery
A battery, which can inhibit raise of an internal resistance even when temperature change or mechanical shock is applied, and which has superior productivity is provided. A safety mechanism and a...
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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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7378179 |
Battery accommodation casing, battery module and assembled battery
A battery accommodation casing includes a casing member having an approximate flat shape to house a laminate-sheathed cell therein in a sealing manner, a recess having a hollow shape in cross...
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7332244 |
Battery module
A battery case is formed by juxtaposing a plurality of electrode plate group housing chambers. An electrolyte-impregnated electrode plate group is housed in each of the housing chambers. A side...
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7326489 |
Catalyst design for VRLA batteries
A catalyst device for use with battery cells to recombine oxygen and hydrogen gas and thereby improve the performance and life of such cells. The catalyst device has the ability to filter out...
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7294433 |
Closed alkaline storage battery
Electrode plate assemblies forming independent elements for electromotive force each contained in a partition member are series-connected and accommodated in a battery case. Each element is...
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7276092 |
Electrochemical element in the form of a button cell, and a method for producing an electrochemical element
An electrochemical element in the form of a button cell having at least one lithium-intercalating electrode, wherein the cell cover or the cell cup has an opening which is closed in a sealed manner...
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7252903 |
Battery pack
The battery 2 of the battery pack is temporarily held in a mold 30 to form a molded resin region 1 , synthetic resin injected into the mold cavity 31 to form the molded resin region 1 ...
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7244528 |
Aluminum negative electrode battery
Disclosed is an aluminum negative electrode battery comprising a closed space provided by at least one member including a hydrogen gas permeating member that contains an organic material having a...
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7175936 |
Lithium secondary battery and assembled structure of lithium secondary batteries
A lithium secondary battery 10 is provided with an inner electrode body 1 comprising a positive electrode plate and a negative electrode plate respectively made up of at least one metal foil 6...
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7147962 |
Lithium secondary battery and manufacturing method thereof
A lithium secondary battery comprises an internal electrode body formed by winding a positive electrode and a negative electrode on an outer peripheral wall of a hollow winding core, nonaqueous...
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7128437 |
Temperature activated pressure relief mechanism for flashlights and batteries
A temperature activated pressure relief mechanism for a flashlight or other battery containing device includes a watertight sealed flashlight housing which has an opening which extends from an...
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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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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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7074255 |
Noble metal gas barriers
A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within...
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7060386 |
Nonaqueous electrolyte solution secondary battery
A nonaqueous electrolyte secondary battery which can reliably perform a current cut-off operation in a current cut-off state and can release a gas in a cleavage state. In the nonaqueous electrolyte...
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6975096 |
Method and apparatus for regulating charging of electrochemical cells
A rechargeable electrochemical cell is provided having a pressure-responsive apparatus for determining a charge termination point. In particular, a reversible pressure-responsive switch may be...
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6964690 |
Safety mechanism for rectangular battery and method of manufacturing the same
A battery case ( 1 ) has a cutting groove ( 10 ) formed on its elongated side surface ( 1 a ). Between a groove bottom surface of the cutting groove ( 10 ) and an inner surface of the battery case...
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6953637 |
Catalytic hydrogen vent filter for batteries
A selective gas permeable membrane allows hydrogen to vent from a battery while preventing other gases from entering the battery. The surface of the filter membrane also catalytically combusts...
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6949310 |
Leak proof pressure relief valve for secondary batteries
Secondary batteries are subjected to power cycling, and those which have a liquid electrolyte within the interior volume are equipped with a pressure relief valve. A void space over the liquid...
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6936373 |
Monobloc battery having a number of interconnected electrochemical cells
A monobloc battery including a plurality of interconnected electrochemical cells formed from electrodes and electrolyte and having end poles, wherein distances between selected cells and the end...
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6926992 |
Nonaqueous electrolyte secondary battery
Disclosed is a nonaqueous electrolyte secondary battery comprises a sealing unit including a conductive support plate, wherein the conductive support plate contains at least one kind of a...
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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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6878486 |
Seal for electrochemical cell
The invention is an injection-molded thermoplastic seal member for use in an electrochemical cell and a cell containing the seal member. The thermoplastic material comprises a mixture of a...
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6861174 |
Electrochemical cell with low volume cover assembly
An electrochemical battery cell comprising a metal container with an open end closed with a metal cover. The top portion of the container side wall has a torus above an inward necked area, and the...
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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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6844104 |
Vent plug system for storage batteries
To improve on a vent plug system for a cell opening of a storage battery containing a plug element with an inner cartridge and a valve element, to where it is possible without the need for...
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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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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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6777128 |
Secondary battery and fabrication method thereof
A secondary battery and a fabrication method of the secondary battery includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed there between,...
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6743544 |
Electric energy storage device
An electric energy storage device for reducing electric resistance between the anode/cathode electrodes and their terminals is disclosed. In the electric energy storage device, an anode electrode...
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6737188 |
Seal for an electrochemical cell
A ventable seal is provided for closing the open end of an electrochemical cell. The seal incorporates indentations formed in the outer surface of the centrally located hub that abuts a flexible...
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6730430 |
Explosion-proof safety structure for column shape lithium battery
The present invention relates to an explosion-proof safety structure for column shape lithium battery, particularly relates to a safe and explosion-preventing structure which prevents the battery...
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6713208 |
Vent valve and a storage cell including it
A vent valve includes a vent cap closed by a cover plate with an orifice through it. The vent cap has a circular section and includes two diametrally opposed vent holes on its circumferential wall....
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6703157 |
Cylindrical battery and method for manufacturing the same
The present invention provides a high-capacity cylindrical battery, wherein a burst-proof mechanism, which functions to discharge a gas outside when the internal pressure of the battery abnormally...
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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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6641949 |
Battery vent and method of assembly
A battery that generates a gas during charge or discharge contains a two-stage vent system including a rigid case permeable to the gas such as ethyl celluose which is permeable to hydrogen gas...
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6635379 |
Battery sealing inspection method
A battery which has undergone initial charging and discharging is placed inside a sealed vessel, which is evacuated by a vacuum pump. After this evacuated state has been maintained for a while, the...
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6632558 |
Battery construction having pressure release mechanism
An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte,...
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6620544 |
Sealed battery
A sealed battery includes a can for receiving an electric generator, a sealing member crimped on an opening of the can and connected to one of a positive electrode and a negative electrode of the...
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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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6610437 |
Closure assembly for sealed batteries
A closure assembly for sealed batteries in which explosion-proof features are incorporated. A metal plate having a hole, an insulating resin sheet, a metal thin sheet, an insulating sheet having an...
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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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