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| Number | Title | Issue Date |
| 8142928 | Systems and methods for rechargeable battery collector tab configurations and foil thickness Systems and methods for configuring tabs on a rechargeable battery may include a current collector comprising one or more collector foil and one or more tabs connected to the collector foil for conveying generated current from the current collector. The tabs may be ... | 03/27/2012 |
| 8084158 | Battery tab location design and method of construction A compact, robust, multifunctional and highly manufacturable rechargeable cylindrical electrochemical cell is provided. In some embodiments, a cell can include a spirally wound assembly having an anode sheet and a cathode sheet separated by separator membranes, each... | 12/27/2011 |
| 8043746 | Electrical connection for a storage cell An electrical storage cell is provided comprising a container (2) carrying an electrode plate group (9) comprising alternating positive and negative electrodes flanking electrolyte-impregnated separators, a current output terminal (7) passing th... | 10/25/2011 |
| 8034481 | Pouch-type secondary battery A pouch-type secondary battery including: an electrode assembly comprising a positive electrode plate, a negative electrode plate and a separator; a negative electrode tab electrically connected to the negative electrode plate and having a first tab tape; and a posi... | 10/11/2011 |
| 8034482 | Battery having current-collection structure The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding cond... | 10/11/2011 |
| 8021781 | Jelly-roll type electrode assembly and secondary battery employing the same A jelly-roll type electrode assembly having a negative electrode plate having a negative electrode coated portion coated with a negative electrode active material layer, and a negative electrode uncoated portion disposed at an end of the negative electrode plate tha... | 09/20/2011 |
| 7998616 | Negative electrode for hybrid energy storage device A negative electrode for a hybrid energy storage device includes a current collector; a corrosion-resistant conductive coating secured to at least one face of the current collector; a sheet comprising activated carbon adhered to the corrosion-resistant conductive co... | 08/16/2011 |
| 7989107 | Lithium-ion secondary battery A lithium-ion secondary battery where a current collecting member and a foil are joined to each other securely while damage of the foil is suppressed is provided. The lithium-ion secondary battery is provided with a winding group obtained by winding a positive elect... | 08/02/2011 |
| 7989106 | Bipolar battery cell and assembled battery for a vehicle The invention relates to a bipolar battery cell having a built-in discharge circuit that can automatically balance the charged conditions. The bipolar battery cell includes a plurality of bipolar electrodes, each including a collector having a positive-electrode lay... | 08/02/2011 |
| 7955732 | Collecting plate and secondary battery with the same A secondary battery includes an electrode group with both positive and negative electrodes and a separator interposed therebetween and a case wherein the electrode group is located. A cap assembly is combined with the case, seals it, and is electrically connected to... | 06/07/2011 |
| 7892675 | Electrochemical device having ultrasonic weld attaching weld material to electrode tab An electrochemical device has one or more electrodes in electrical communication with a tab assembly. The tab assembly includes an ultrasonic weld bonding one or more weld materials to a tab extending from the one or more electrodes. ... | 02/22/2011 |
| 7887952 | Secondary battery A secondary battery includes: an electrode assembly having a winding including a positive electrode, a negative electrode, and a separator interposed therebetween, the winding centered around a winding axis; a case adapted to receive the electrode assembly, the wind... | 02/15/2011 |
| 7736802 | Electrochemical cell current collector comprising solid area for coated film measurements A current collector for use in an electrochemical cell comprising a conductive substrate including a frame comprising at least one frame conductor providing a closed perimeter; a mesh grid within the frame; and a first solid area bounded by a perimeter, the perimete... | 06/15/2010 |
| 7736803 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery is provided and includes a battery element in which a positive electrode having a positive electrode active material layer provided on a positive electrode collector and a negative electrode having a negative electrode act... | 06/15/2010 |
| 7727672 | Battery, method of manufacturing the same, method of manufacturing weldment, and pedestal A metal plate and an electrode in a polymer lithium ion secondary battery or the like are welded certainly, and it is accomplished to further improve the reliability and the durability thereof. Each of an upper metal plate (7a) and a lower metal plate ... | 06/01/2010 |
| 7727671 | Electrode tab for spiral wound battery A closed battery, according to the invention, comprises a substantially flat box-type outer case 60 having electrical conductivity, provided with an opening on one side in the longitudinal direction thereof and other peripheral sides that are closed, a spiral... | 06/01/2010 |
| 7718312 | Battery The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding cond... | 05/18/2010 |
| 7709147 | Storage battery and production method thereof A storage battery includes: a bottomed metal case (10) accommodating an electrolyte and a collector (7) having a flat plate connected to one side of an electrode assembly (5) containing a strip-shaped positive electrode plate (1), a strip... | 05/04/2010 |
| 7678501 | Storage battery manufacturing method which uses a polar plate having a foamed-metal electrode substrate and joins a current collector to the electrode substrate, and storage battery obtained through the manufacturing method In the present invention, the electrode assembly is first formed, and then a tab portion is formed by compressing an active material unfilled portion in an electrode having a foamed-metal electrode substrate (Tab Portion Formation Step). Accordingly, in the manufact... | 03/16/2010 |
| 7608360 | Rechargeable battery and method for its production The present invention relates to a rechargeable battery having a plurality of cells each having a plurality of positive and negative electrode plates, the positive and negative electrode plates electrically isolated from one another by separators and having output l... | 10/27/2009 |
| 7585591 | Battery including rolled electrodes and straight lead terminals A battery includes a unit cell including spirally rolled electrodes, a jacket having a recessed section, a cathode lead terminal, and an anode lead terminal. The unit cell is placed in the recessed section, the recessed section is covered with a portion of the jacke... | 09/08/2009 |
| 7541112 | Electrochemical bundle and method for making same The invention provides an EC bundle having a plurality of cells. In turn, each cell respectively comprises: a pair of sheet-like electrodes; electrolyte interposed between the electrodes; and a sheet like current collecting element. The sheet-like current collecting... | 06/02/2009 |
| 7488556 | Battery module and its method of manufacture A rechargeable battery that prevents a concentration of stress on a coupling portion of a lead tab and a cap assembly at a time of bending the lead tab so as to not damage the coupling portion includes: an electrode assembly having a first electrode, a second electr... | 02/10/2009 |
| 7479349 | Batteries including a flat plate design A battery having flat, stacked, anode and cathode layers. The battery can be adapted to fit within an implantable medical device. ... | 01/20/2009 |
| 7442465 | Jelly-roll type electrode assembly, lithium secondary battery having the same, and method for manufacturing the same A jelly-roll type electrode assembly, a lithium secondary battery having the same, and a method for manufacturing the same are provided. The electrode assembly comprises a deformation prevention core which simplifies the manufacture of a lithium secondary battery an... | 10/28/2008 |
| 7425386 | Electrode group for battery and non-aqueous electrolyte secondary battery using the same An electrode group for a battery including a positive electrode and a negative electrode wound into a spiral with a separator interposed therebetween, wherein the positive electrode includes a positive electrode current collector and positive electrode material mixt... | 09/16/2008 |
| 7416811 | Electric storage battery construction and method of manufacture An electric storage battery and method of manufacture thereof. Active material (78) is removed from both sides of the outer end (88) of the negative electrode (70) in a jellyroll (84) to allow room for adhesive tape (96) to secure ... | 08/26/2008 |
| 7410723 | Pouch type secondary battery A battery has enhanced reliability by protecting the battery from external impacts by separately installing a reinforcement structure on a casing and an electrode assembly housed in the casing. The configuration reduces or minimizes volumetric change in the dimensio... | 08/12/2008 |
| 7410726 | Electrical battery assembly and method of manufacture The method includes filling a case through a fill-hole in a cover of a case. The case is configured to hold an electrode assembly having at least one positive electrode and at least one negative electrode. The method also includes plugging the fill-hole with a plug.... | 08/12/2008 |
| 7384705 | Electrode and battery, and methods of producing the same An electrode for a battery includes an electrode sheet, a lead, and a metal piece. The electrode sheet has a collector, an active material layer formed on the collector, and a lead connecting portion which is configured as an exposed extension of the collector, on b... | 06/10/2008 |
| 7378182 | Cylindrical alkaline storage battery A cylindrical alkaline storage battery has a conductive cylindrical case whose outside diameter lies in a range from 13.5 mm to 14.5 mm, and an electrode assembly contained, together with an alkaline electrolyte, in the case. The electrode assembly is formed by spir... | 05/27/2008 |
| 7364817 | Secondary battery and method of manufacturing the same A secondary battery includes an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween. A container receives the electrode assembly, and a cap assembly is fixed to the container to seal the container. A collec... | 04/29/2008 |
| 7358008 | Electrochemical device including electrolyte An electrochemical device comprising an electrolyte and at least one electrode plate, the electrochemical device having a metal part constituting the electrode plate or being connected to the electrode plate; the electrolyte comprising a solute and a solvent dissolv... | 04/15/2008 |
| 7335442 | Battery with current collector plate welded to electrode terminal assembly A battery including an electrode unit housed in a battery can and which generates electricity which can be taken out of the battery via a pair of negative and positive electrode terminals, wherein a terminal assembly is installed in the battery, a current collector ... | 02/26/2008 |
| 7332246 | Galvanic element with a set of wound electrodes A galvanic element including at least one positive electrode in strip form, at least one negative electrode in strip form, at least one separator in strip form interposed between the positive and negative electrodes such that the separator and the electrodes are spi... | 02/19/2008 |
| 7326491 | Electrochemical device An electrochemical device comprises collector plates having main parts and tab parts and being arranged such that the main parts oppose each other; a separator having a main part and a tab part and being arranged such that the main part is disposed between the main ... | 02/05/2008 |
| 7318980 | Rechargeable battery A rechargeable battery comprises an electrode assembly that comprises a positive plate, a negative plate, and a separator interposed between those two plates. It also includes a container for the electrode assembly, a cap assembly fixed to the container to seal the ... | 01/15/2008 |
| 7297443 | Lithium-limited anode subassembly An anode subassembly is provided for use in an implantable electrochemical cell wherein the anode subassembly includes an anode current collector designed to eliminate perforation edges in the final, outermost turn of a coiled electrode assembly. The anode current c... | 11/20/2007 |
| 7294359 | Method of manufacturing electrode for secondary cell A method of manufacturing an electrode for a secondary cell capable of readily forming an active material layer only on a necessary portion of a collector by a method supplying raw material from a gas phase is obtained. This method of manufacturing an electrode for ... | 11/13/2007 |
| 7294430 | Battery having a wound electrode element In a battery having a wound electrode element which is made contact with by means of a pin, a contact connection is fitted on the outer face and is electrically connected to the pin which is arranged in the housing. The connection between the pin and the contact con... | 11/13/2007 |
