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7629073 |
Safety element for battery and battery with the same
Disclosed are a safety element for a battery, which is provided with material having a Metal-Insulator Transition (MIT) characteristic where resistance abruptly drops at or above a certain...
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7625669 |
Lithium secondary battery having improved stability to overcharge
Disclosed is a lithium secondary battery comprising an electrode assembly composed of a cathode, an anode and a separator, and a lithium electrolyte, wherein the electrodes and/or electrolyte...
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7618724 |
Electrochemical device comprising electrode lead having protection device
Disclosed is an electrochemical device including an electrode assembly having a cathode, anode and an electrolyte, and a casing surrounding the electrode assembly. The device further includes a...
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7615969 |
Systems and methods for temperature-dependent battery charging
Systems and methods for controlling battery cell charge current based on the ambient temperature conditions to which battery cell/s of a battery are exposed, for example, to control battery cell...
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7611797 |
Lithium secondary battery with safety device
A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with...
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7556884 |
Battery pack and thermostat used therefor
The present invention reduces components of a circuit board and miniaturizes a battery pack using a thermostat. The battery pack includes a thermostat ( 9 ) having a casing portion ( 10 ) formed of...
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7553583 |
Systems and methods for constructing a battery pack
Methods and systems for constructing a battery, the battery including at least two energy storage sections connected in parallel to a common module power bus, the energy storage sections including...
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7547489 |
Electrochemical device
An electrochemical device having an electrode plate assembly that includes: (a) at least one first electrode; (b) at least one second electrode; and (c) a separator interposed between the first...
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7488546 |
Medium- or large-sized battery pack having safety device
Disclosed herein is a medium- or large-sized battery pack having a plurality of unit cells. The battery pack includes a safety device (fire-extinguishing safety device) for spraying a material to...
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7482090 |
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery includes a negative electrode including a negative electrode current collector and a negative electrode active material layer that is formed on a first...
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7473487 |
Temperature fuse, and battery using the same
A thermal fuse includes an insulating case having a bottom and having an opening provided therein, a fusible alloy provided in the insulating case, a lead conductor having one end connected to the...
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7462416 |
Secondary battery
A secondary battery having an improved electrical connection structure of a secondary protective device by positioning a thermo-breaker in a protective device groove, in order to improve the...
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7425385 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery including: an electrode group in which a positive electrode plate and a negative electrode plate are spirally wound with a separator interposed...
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7413827 |
Car power source apparatus
A car power source apparatus is provided with a driving battery which drives an electric motor, heaters which heat the driving battery, a control circuit which controls power to the heaters, a...
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7396600 |
Battery pack
A battery pack including a molded resin portion, which holds a part of or the entire battery, and an externally exposed output terminal. The battery pack further includes an insulating block, which...
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7393476 |
Positive electrode active material for lithium secondary cell and lithium secondary cell
A positive active material for lithium secondary batteries, includes a composite oxide including an oxide which is represented by the composite formula Li x Mn a Ni b Co c O 2 and has an α-NaFeO...
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7390427 |
Hydrofluoroether as a heat-transfer fluid
The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by...
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7384704 |
Methods and apparatus for controlling the temperature of an automobile battery
A method and apparatus maintain the temperature of a automobile battery within a predetermined temperature range even though the ambient temperature is outside of the predetermined temperature...
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7354677 |
Battery pack
A battery pack comprising a lithium ion secondary battery and a current interrupting device for protecting the secondary battery, the secondary battery comprising positive and negative electrodes,...
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7335439 |
Hermetically sealed battery
A hermetically sealed battery is provided, equipped with a opening sealing unit 10 including a Positive Temperature Coefficient (PTC) element without reducing the volume of the outside can, and...
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7326490 |
Battery cooling system
A cordless power tool has a housing which includes a mechanism to couple with a removable battery pack. The battery pack includes one or more battery cells as well as a vent system in the battery...
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7300475 |
Manufacturing method for electrode apparatus of battery
A method for manufacturing a circular electrode apparatus of a battery for resistance stability improvement comprises the following procedures. First, an electrode structure of a battery including...
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7297529 |
Method and apparatus for performing a lateral flow assay
An embodiment of the present invention provides a method for performing a lateral flow assay. The method includes depositing a sample on a test strip at an application region, detecting a first...
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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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7270910 |
Thermal management systems for battery packs
A cordless power tool has a housing which includes a mechanism to couple with a removable battery pack. The battery pack includes one or more battery cells as well as a system to dissipate heat...
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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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7217473 |
Mechanical and thermal improvements in metal hydride batteries, battery modules, and battery packs
Mechanically and thermally improved rechargeable batteries, modules and fluid-cooled battery pack systems. The battery is prismatic in shape with an optimized thickness to width to height aspect...
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7201994 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery comprising: a positive electrode comprising a positive electrode current collector and a positive electrode material mixture layer formed thereon; a...
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7175935 |
Lithium manganese dioxide cell
A lithium dioxide cell construction including a resettable positive temperature coefficient fuse. The positive temperature coefficient fuse, can withstand shock and mechanical vibration without...
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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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7163757 |
Secondary batteries having a protective circuit
A secondary battery with high safety is provided. A heater and a diode are connected in series, and a thermistor is connected in parallel with thus formed series circuit. A fuse is connected in...
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7128133 |
Hydrofluoroether as a heat-transfer fluid
The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by...
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7125627 |
Secondary battery having a container with a safety unit
A secondary battery includes an electrode assembly; a laminated container laminated with flexible films, which encloses the electrode assembly while the electrode tabs are drawn out of the...
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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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7097934 |
Battery apparatus for vehicle
In the present battery apparatus for a vehicle, a temperature detecting plate 30 is fixed outside a casing 10 accommodating a plurality of secondary batteries 20 . The casing 10 is provided...
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7087343 |
High melt integrity battery separator for lithium ion batteries
The battery separator for a lithium battery is made from a nonwoven flat sheet material having high temperature melt integrity, a microporous membrane having low temperature shutdown properties,...
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7013659 |
Battery cooling system for vehicle
In a battery cooling system that cools a battery by using conditioned air (inside air of a passenger compartment) of a vehicle air conditioner, a battery control unit controls a battery blower to...
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6994926 |
Battery pack and method of producing the same
The protection circuit unit 52 is an integrated body comprising a surface-mount type PTC thermistor 49 mounted by a soldering on a printed circuit board 44 through reflow soldering or the...
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6958197 |
Control system for sodium-sulfur battery
A control system for a sodium-sulfur battery, which is composed of a plurality of battery modules connected in series, includes a control device having at least a temperature measuring unit for...
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6946216 |
Method for enhancing battery performance and apparatus using the same
Disclosed are method and apparatus for improving battery performance by transferring waste heat generated from heat generating components to the battery that, when brought to a high temperature,...
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6942944 |
Battery system thermal management
Power supply systems and associated methods of operation are provided based on the incorporation of a supply of phase change material in thermal contact with at least one cell element capable of 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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6893753 |
Rechargeable battery equipped with battery protection circuit
A rechargeable battery is integrated with a battery protection circuit that protects the rechargeable battery from overcharging, over discharging, and so forth. A circuit board ( 9 ) on which are...
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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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6844105 |
Plate shaped battery pack and portable radio terminal
A plate shaped battery pack includes: a power generating element ( 21 ) sealed by a wrapping member ( 22 ) formed in the shape of a wrapper constructed of a laminated film; an anode terminal ( 24 a...
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6814172 |
Electric power unit for two-wheel vehicles
An electric power unit for two-wheel vehicles comprising a batteries housing, from which current is supplied to a DC magnetic motor that is connected to a controller assembly, and a chain...
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6805993 |
Rechargeable battery with temperature controlled switch
A non-aqueous electrolyte rechargeable battery is provided with a switch element in a circuit for connecting the battery to an external power source, the switch element being operable in response...
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6773633 |
Process for producing an electrode with positive temperature coefficient (PTC) function
Conventional batteries have the problem that, when battery temperature rises above a temperature at which the separator melts and flows due to an internal short-circuit, a large short-circuit...
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6749961 |
Shutdown battery separator made with a blend of polymer and oligomer
The instant invention is directed to a battery separator including a microporous polyolefinic membrane having a porosity in a range 30-80%, an average pore size in a range of 0.02-2.0 microns, and...
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6746794 |
Thermal runaway inhibitors
The present invention provides for a battery having an anode, a cathode, and a flame-retarding electrolyte with a conductivity greater than about 10 −3 S/cm at ambient temperature and which...
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