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8182934 |
Secondary battery
A secondary battery comprises a power generating element, a battery case including a gas release hole, and a valve safety device configured to close the gas release hole and release gas out of the...
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8163408 |
Battery with pressure relief channel
A battery having an outer casing and an anode/cathode assembly within that casing, wherein the anode/cathode assembly includes plural anodes and cathodes and electrolyte therebetween. The battery...
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8158280 |
Battery container having cruciform vent and cover
An electrochemical cell is provided with an enhanced pressure relief vent formed in a closed end of the cell container that achieves effective venting of gas from the closed end of the container....
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8153289 |
Secondary battery
A secondary battery has a safety vent formed on a can accommodating an electrode assembly. The safety vent is formed in a groove shape and the depth of the groove varies. The fracture site of the...
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8147997 |
Film-covered electrical device packaging system
A film-covered electrical device packaging system of the present invention includes frame member (10) which holds film covered battery (1) by an outer periphery portion of film covered battery (1)...
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8129045 |
Electrochemical element
To operate a safety mechanism normally even when an accident happens. For this object, an electrochemical element includes an exhaust valve that operates when an internal pressure in a casing 4...
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8114534 |
Fuel cell system
A fuel cell system is described that enables discharge of moisture generated by the fuel cell system based on pressure differences between components of the fuel cell system. The fuel cell system...
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8105708 |
Heat exchanger for an energy storage device
A heat exchanger is connected to at least one energy storage cell of an energy storage device in a heat-conducting manner. The energy storage device is enclosed by a housing. The energy storage...
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RE43063 |
Integrated cap assembly of a secondary battery and fabricating method thereof
An integrated cap assembly of a secondary battery. A cap lamination forms a top portion of the secondary battery and serves as a connection terminal while the secondary battery is charged or...
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8088505 |
Film-packed battery and method of manufacturing the same
A film-packed battery includes a battery element and a packing film which houses the battery element and includes a main heat-sealed portion which is formed around the battery element, and a...
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8084152 |
Lithium ion secondary battery having shape memory safety vent
A lithium ion secondary battery has a shape memory safety vent adapted to discharge internal compressed gas by temporarily being opened when the temperature reaches a predetermined level to avoid a...
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8075991 |
Stainless steel member for a fuel cell
A stainless steel material for a fuel cell, used for a fuel cell or a cartridge for the fuel cell, having a magnetic permeability of 1.000 to 2.500, and forming a layer having a value of chromium...
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8071230 |
High rate charging and discharging cylindrical secondary battery
Disclosed herein is a cylindrical secondary battery including a cap assembly constructed in a structure in which a vent, which intercepts electric current and discharges pressurized gas when the...
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8071231 |
Secondary battery including one-way exhaust valve
Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery...
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8057933 |
Safety mechanism for laminate battery
A safety mechanism for a laminate battery. An exterior case (5) consists of two molded sheets (5a) made of laminate sheets, superposed upon one another, and bonded together around the outer edges....
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8053098 |
Power storage unit that effectively controls pressure and vehicle
A power storage unit has: a plurality of power storage modules each constituted of a power generation element which in a power generation element case containing the power generation element; and a...
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8048558 |
Cylindrical nickel-zinc cell with negative can
A nickel-zinc battery cell is formed with a negative can, a positive cap, and a jelly roll of electrochemically active positive and negative materials within. The inner surface of the can is...
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8039134 |
Can type secondary battery and method of manufacturing circuit board for the secondary battery
A can type secondary battery and a method of manufacturing a circuit board for the secondary battery that improves reliability by providing a consistent breakdown pressure of the circuit board used...
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8039135 |
Electrochemical cell exhibiting enhanced safety features
Disclosed is the structure of a center pin assembly inserted into the winding center of a winding-type electrode assembly of an electrochemical device, which has a case containing the winding-type...
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8017258 |
System and method for enhanced information handling system battery safety
Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes...
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8012615 |
CID retention device for Li-ion cell
A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm2 and about 9 kg/cm2. Preferably, the CID...
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8012617 |
Secondary battery having sealing portion of novel structure
Disclosed herein is a plate-shaped secondary battery constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case, and the battery...
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8007933 |
Vehicle power storage unit and vehicle
A vehicle power storage unit, has: a power storage assembly; a coolant for cooling the power storage assembly; a casing having a coolant inlet through which the coolant is filled into the casing...
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7998608 |
Lithium secondary battery
A lithium secondary battery including: an inner electrode member having electrode plates (cathode plate and anode plate) of a metal foil as a constituting element, and being formed by winding or...
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7989100 |
Sealed prismatic battery
A sealed prismatic battery according to the present invention comprises a laterally long cap sealing an opening of an upper surface of a battery can and a safety vent placed on the cap and having a...
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7964300 |
Battery pack
There is provided a risk-free and easy-to-use battery pack using battery cells 1 as a secondary battery, in which internal gases evaporated by applying overvoltage or the like thereto are processed...
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7935436 |
Rechargeable battery with gas release safety vent
A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode...
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7927727 |
Secondary battery, cap assembly thereof and method of mounting safety valve therefor
A secondary battery may be manufactured with an electrode assembly having a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative...
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7923139 |
Secondary battery including a safety device
A secondary battery provided with a safety element (16) comprising a conductive current interrupter (161) and an insulation holder (162) at thereof bottom. By safety element provided at the bottom...
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7923137 |
Nonaqueous cell with improved thermoplastic sealing member
An electrochemical battery cell with an aperture in the container or cell cover has the aperture sealed by an improved thermoplastic sealing member, which forms at least a part of the cell's...
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7923138 |
Housing for a sealed electrochemical battery cell
An electrochemical cell with a collector assembly for sealing the open end of a cell container. The collector assembly includes a retainer and a contact spring with a peripheral flange, each having...
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7919202 |
Nonaqueous cell with improved thermoplastic sealing member
An electrochemical battery cell with an aperture in the container or cell cover has the aperture sealed by an improved thermoplastic sealing member, which forms at least a part of the cell's...
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7906232 |
Fuel cell casing with depressurizing cover
A fuel cell casing having a laminate structure of a first double-sided adhesive tape, an interposed member, and a second double-sided adhesive tape. The laminate structure may be placed between a...
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7901806 |
Film-armored battery and method of manufacturing the battery
In a film-packed battery which stores a battery element (9) with packing films (8a, 8b) and sealed by heat-sealing heat-sealed surfaces of the packing films around the battery element, a...
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7875377 |
Fuel cell system
A fuel cell system is described that enables discharge of moisture generated by the fuel cell system based on pressure differences between components of the fuel cell system. The fuel cell system...
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7875375 |
Battery module, battery pack, and method for producing the battery module
An inexpensive battery pack including a battery module wherein a safety valve is provided for each cell in which battery pack gas leakage can be prevented. A battery pack 100 has a plurality of...
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7871719 |
Battery module including electrochemical cell with pressure relief feature
A battery module includes at least one electrochemical cell. The electrochemical cell includes a first terminal conductively coupled to a first electrode and a body portion configured to function...
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7858216 |
System and method for removing an electrolyte from an energy storage and/or conversion device using a supercritical fluid
A method of recycling a lithium-containing energy storage device including an electrolyte is provided. The method includes placing the storage device in an extraction vessel, sealing the extraction...
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7858217 |
Top sealing plate, battery using the top sealing plate, and method of manufacturing the battery
A top sealing plate used for a battery includes a filter, a cap, and a valve body. The filter has a valve hole and upper opening; the cap has a convex portion and a flange portion disposed around...
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7851077 |
System and method for enhanced information handling system battery safety
Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes...
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7851078 |
Secondary battery with a shock absorbing portion
A secondary battery includes an electrode assembly, a can receiving the electrode assembly, and a cap assembly coupled to the open upper part of the can. In addition, a vent including an opening,...
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7824790 |
Housing for a sealed electrochemical battery cell
An electrochemical cell with a collector assembly for sealing the open end of a cell container. The collector assembly includes a retainer and a contact spring with a peripheral flange, each having...
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7781088 |
Non-aqueous electrolyte secondary cell
A non-aqueous electrolyte secondary battery has a current interrupting mechanism with excellent impact and vibration resistance. The mechanism includes a fragile portion which breaks when the...
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7771863 |
Cylindrical secondary battery
A cylindrical secondary battery where safety can be secured even when an external pressure accompanying rapid deformation of the battery acts on the battery is provided in a battery having a large...
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7771862 |
Cap assembly and a safety valve for a secondary battery
A secondary battery with a maximized cycle-life having a multi-stage safety valve so as to lower the inner pressure of the battery in stages. The multi-stage safety valve is installed on a case and...
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7768230 |
Pressure relief valve for a battery charger
A battery charger (10) comprising a housing (15) enclosing battery charging electronics (11), an interface (12) connectable to a mains outlet, and a charging current output interface. An aperture...
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7763375 |
Current interrupt device for batteries
The invention is a battery containing at least one electrochemical cell having a sealing plate with a pressure relief vent, the sealing plate being part of an electrical circuit between one of the...
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7758994 |
Nickel metal hydride storage battery with a safety valve for relieving excess gas pressure in the battery when the safety valve is open, the safety valve having a hydrogen-permeable valve member for allowing hydrogen-gas leakage therethrough when the safety valve is closed
A nickel-metal hydride storage battery is provided capable of suppressing changes in discharge reserve and charge reserve of a negative electrode to prevent lowering of battery characteristics for...
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7754372 |
Lithium secondary battery
A lithium secondary battery having a cap assembly including a cap plate, an insulation plate and a terminal plate. The insulation plate and the terminal plate each have a predetermined vent hole...
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7745038 |
Alkaline dry battery and sealing gasket therefor
In an alkaline dry battery using a polyamide resin sealing gasket that is placed between a battery case and an anode terminal plate without using a stiffening member and seals the battery case in...
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