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| Number | Title | Issue Date |
| 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 has a pressure relief feature associated with the casing and a channel... | 04/24/2012 |
| 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) and which has a portion thicker than the thickne... | 04/03/2012 |
| 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 reaches a predetermined pressure to release gas occurring in the ... | 03/06/2012 |
| 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 cells have at least one safety pressure release valve or burst opening f... | 01/31/2012 |
| 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 swelling phenomenon of the battery and improve safety. The lithium i... | 12/27/2011 |
| 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 interior pressure of the battery is increased due to abnormal operation... | 12/06/2011 |
| 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 case is sealed by thermal welding, wherein the secondary battery has a... | 12/06/2011 |
| 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 in the can type secondary battery. The can type secondary battery in... | 10/18/2011 |
| 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 electrode assembly. The center pin assembly can secure the safety of ... | 10/18/2011 |
| 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 having a quenching distance that retards transfer of flames from the... | 09/13/2011 |
| 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 and containing the coolant and the power storage assembly; a gas-discha... | 08/30/2011 |
| 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 laminating electrode plates; and a battery case for housing the inner e... | 08/16/2011 |
| 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 thin-walled valve body which opens in an abnormal rise of a battery ... | 08/02/2011 |
| 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 assembly therein, lead elements connected to the electrode assembly ... | 05/03/2011 |
| 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 pressure relief vent and is made from a material comprising a thermoplastic... | 04/12/2011 |
| 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 pressure relief vent and is made from a material comprising a thermoplastic... | 04/05/2011 |
| 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 battery modules 110 each including a plurality of cells | 01/25/2011 |
| 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 the convex portion; the opening end of the upper opening of the filter... | 12/28/2010 |
| 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 diaphragm deforms and rises upward, thereby interrupting current flow ther... | 08/24/2010 |
| 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 a long term. A nickel-metal hydride storage battery 100 of the... | 07/20/2010 |
| 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 corresponding to a safety vent formed on the cap plate so that if the s... | 07/13/2010 |
| 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 an airtight manner, the sealing gasket includes a first and a second t... | 06/29/2010 |
| 7718306 | 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 assembly therein, lead elements connected to the electrode assembly ... | 05/18/2010 |
| 7687188 | Sealed cell having non-resealable safety valve A sealed cell having a safety mechanism is provided. The safety mechanism has a non-resealable valve structure formed in a sealing plate that seals the cell. The valve structure is broken as soon as the internal pressure reaches or exceeds a predetermined value so a... | 03/30/2010 |
| 7662506 | Safety device of battery A safety device of a battery including a pressure releasing unit provided at a cell and the battery, in which the pressure releasing unit is configured to release an internal pressure within the cell when the internal pressure of the cell exceeds a predetermined set... | 02/16/2010 |
| 7655347 | Battery and method of assembling battery A battery includes a casing made of metal; and a safety valve made of a thin plate. The casing includes a vent hole that provides communication between the inside of the battery and the outside of the battery. A seal member made of synthetic resin is provided betwee... | 02/02/2010 |
| 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 laminate cell (1) further comprises a frame memb... | 10/06/2009 |
| 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 the outside diameter of the foil, and upon a metallic safety vent is p... | 08/11/2009 |
| 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 a cap assembly including a cap plate connected to the case inside of... | 04/21/2009 |
| 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 and the negative electrode, and a cap assembly fixed to the container... | 03/10/2009 |
| 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 battery cover are installed at an open part of a battery case by caulk... | 10/07/2008 |
| 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. ... | 05/27/2008 |
| 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 section and formed on a surface of the casing member, and a gas release me... | 05/27/2008 |
| 7364829 | Resist pattern thickening material, process for forming resist pattern, and process for manufacturing semiconductor device The present invention provides a resist pattern thickening material which can thicken a resist pattern to be thickened regardless of a material or a size thereof so as to form a fine space pattern, exceeding an exposure limit of exposure light. The resist pattern th... | 04/29/2008 |
| 7355841 | Configurations and methods for making capacitor connections An exemplary capacitor has a capacitor stack positioned in a case with a conductor positioned between the case and a lid. In one embodiment the conductor is positioned between the lid and an upper rim of the case and is welded to the lid and case. In one aspect, a c... | 04/08/2008 |
| 7347880 | Flat capacitor having staked foils and edge-connected connection members A method of joining a connection member to a capacitor foil using a staking tool having a tip of less than 0.030″ (0.762 mm) in diameter. Another embodiment couples multiple connection members of a capacitor together by edge-connecting each connection member to it... | 03/25/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 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 plate is arranged in abutment with each side face of the battery case. T... | 02/19/2008 |
| 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 catalyst poisons and control the temperature of the recombination reaction... | 02/05/2008 |
| 7326492 | Laminate sheet, laminate battery and related method A laminate battery is provided with a tab, an electric power generating element connected to the tab, and a laminate sheet allowing the electric power generating element to be accommodated. The laminate sheet includes a metallic layer and a thermally welding resin l... | 02/05/2008 |
