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| Number | Title | Issue Date |
| 8158279 | Separator configuration for a battery A battery unit and a lithium secondary battery employing the same are provided. The battery unit includes a positive electrode plate having a positive current collector and a positive active material layer formed on at least one plane of the positive current collect... | 04/17/2012 |
| 8007935 | Plate assembly, core and lithium ion battery Disclosed are a plate assembly for a battery, a core and a lithium ion battery. The plate assembly comprises a plate, a conductive terminal and a membrane bag, the plate is encapsulated in the membrane bag, an encapsulation line is formed when the membrane bag is en... | 08/30/2011 |
| 7985498 | Lithium secondary battery A lithium secondary battery that can improve safety of the battery. The lithium secondary battery comprises a jelly-roll type electrode assembly including first and second electrode plates having different polarities, and a separator interposed between the electrode... | 07/26/2011 |
| 7695856 | Deformation resistant battery, group-battery, multiple group-battery and automobile therewith A battery of the present invention is provided with positive and negative terminals led out of the battery and one or more sealing members filled between the positive and negative terminals and the battery. Each of the sealing members is provided with one or more re... | 04/13/2010 |
| 7482093 | Insulator design to prevent lithium cluster bridging An insulator structure forming a physical barrier encapsulating the entire electrode assembly including all the positive portions and segregating them from the negative leads and the casing is described. By completely encapsulating the electrode assembly including t... | 01/27/2009 |
| 7407724 | Embedded electrode conformations for balanced energy, power, and cost in an alkaline cell A battery cell, such as a cylindrical or prismatic alkaline cell, is disclosed having significantly improved capacity utilization at mid-range power levels of discharge by implementing a curvilinear-like inner electrode configuration that provides moderated surface ... | 08/05/2008 |
| 7396612 | Lithium ion secondary battery A lithium ion secondary battery includes a positive electrode capable of absorbing and desorbing lithium ion, a negative electrode capable of absorbing and desorbing lithium ion, a porous film interposed between the positive electrode and the negative electrode, and... | 07/08/2008 |
| 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 |
| 7312002 | Lithium secondary cell To improve an impregnation property of an electrolyte and the cycle characteristics, which have been a problem in the case of employing a casing having a variable shape. A lithium secondary cell comprising a casing having a variable shape, and a cell element having ... | 12/25/2007 |
| 7288343 | Structure and methods of fabricating binding layers for a Li-ion polymer battery A Li-ion polymer battery and methods for its fabrication. A first and second layer, of a polymer/particulate material composition, separate and bind each anode and cathode. The polymer of the first layer and its associated solvent differ from the polymer of the seco... | 10/30/2007 |
| 7288126 | Battery cells having improved power characteristics and methods of manufacturing same A battery cell, and methods of manufacturing the same, having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical or prismatic alkaline cells, by impleme... | 10/30/2007 |
| 7264904 | Cylindrical battery cell having improved power characteristics and methods of manufacturing same A battery cell, such as a cylindrical alkaline cell, is disclosed having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical alkaline cells, by implement... | 09/04/2007 |
| 7264903 | Battery cells having improved power characteristics and methods of manufacturing same A battery cell having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical or prismatic alkaline cells, by implementing a novel cell construction that pro... | 09/04/2007 |
| 7223492 | Laminated structure of flat plate type solid oxide fuel cell A laminated structure of a flat plate type solid oxide fuel cell is made up of an alloy metal separator having a flat plate and a slit plate, wherein the flat plate is brought into contact with the slit plate after the slit plate is brought into contact with an air ... | 05/29/2007 |
| 7220517 | Solid electrolyte and battery employing the same A solid electrolyte, a method of manufacturing the same, and a lithium battery and a thin-film battery that employ the solid electrolyte are provided. The solid electrolyte contains nitrogen to enhance the ionic conductivity and electrochemical stability of batterie... | 05/22/2007 |
| 7208195 | Methods and apparatus for deposition of thin films A method for depositing a thin film includes the steps of providing a vapor including at least one selected vapor phase component into an evacuated chamber and condensing the vapor onto a heated substrate to form a liquid phase deposit wherein a temperature of the s... | 04/24/2007 |
| 7195840 | Cell structure for electrochemical devices and method of making same An electrochemical device comprising alternating layers of positive and negative electrodes separated from each other by separator layers. The electrode layers extend beyond the periphery of the separator layers providing superior contact between the electrodes and ... | 03/27/2007 |
| 7181156 | Image forming apparatus using a cleaning member for preventing noises and process cartridge therefor An image forming apparatus includes a photoconductor, a cleaning blade for cleaning the photoconductor, and a blade holder holding the cleaning blade and having a first bent portion for increasing its rigidity. In the apparatus, blade holder has at least one of a pr... | 02/20/2007 |
| 7169505 | Battery unit, lithium polymer battery using the same, and method for manufacturing lithium polymer battery A battery unit with improved safety measures, a lithium polymer battery using the battery unit, and a method for manufacturing the lithium polymer battery are provided. The lithium polymer battery has a battery unit and a case accommodating the battery unit, wherein... | 01/30/2007 |
| 7118824 | Secondary battery with improved finishing tape and method of making the secondary battery A secondary battery with a finishing tape preventing air bubbles from being formed between a jelly roll electrode structure and the finishing tape. The secondary battery includes a wound electrode assembly having a positive electrode sheet, a separator, and a negati... | 10/10/2006 |
| 7081320 | High energy density secondary battery for repeated use A secondary battery exhibiting a long cycle life and comprising a negative pole activating material made of lithium or zinc is provided, the battery at least having a negative pole made of lithium or zinc serving as the negative pole activating material, an electrol... | 07/25/2006 |
| 7033703 | Composite material and current collector for battery A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structu... | 04/25/2006 |
| 6979513 | Battery including carbon foam current collectors A battery having a current collector constructed of carbon foam. The carbon foam includes a network of pores into which a chemically active material is disposed to create either a positive or negative plate for the battery. The carbon foam resists corrosion and exhi... | 12/27/2005 |
| 6936380 | Process for preparing lithium polymer secondary battery The present invention relates to a novel process for preparing a lithium polymer secondary battery which comprises a step of direct coating of a plasticized and crosslinked polymer electrolyte onto a lithium electrode. The process for preparing a lithium polymer sec... | 08/30/2005 |
| 6933074 | Insulative component for an electrochemical cell An insulator ring for preventing short circuit contact between the opposite polarity electrode in a case-terminal cell design is described. Typically, a lithium/silver vanadium oxide cell is built in a case-negative design with the casing serving at the negative ter... | 08/23/2005 |
| 6896993 | Electrochemical device comprising a pair of electrodes and an electrolyte An electrochemical device comprises a pair of electrodes having electrode layers formed on strip-like collectors except on their strip-like portions along a longitudinal side of the strip-like collectors; strip-like separators insulating these; two collector plates ... | 05/24/2005 |
| 6855455 | Electrode unit for rechargeable electrochemical cells The invention relates to an electrode unit for rechargeable electrochemical cells, e.g. accumulator cells, whose energy storage properties are drawn from the deposition of an element such as metal or an alloy. The electrode unit has an electrode (2) and a por... | 02/15/2005 |
| 6849357 | Battery, a process for producing the battery, a process for producing a battery case, and a battery pack The present invention relates to a battery using a case of which the section of the lower part containing an electric element is square or hexagonal and the section of the upper part containing a sealing plate is circular or elliptic. By virtue of the shape of the l... | 02/01/2005 |
| 6835492 | Method for forming lithium metal anode protective layer for lithium battery and lithium battery having such protective layer A method for forming a lithium anode protective layer comprises activating the surface of the lithium metal anode and forming a LiF protective layer on the activated surface of the lithium metal anode. ... | 12/28/2004 |
| 6828061 | Electrochemical cell with reinforced separator An electrochemical cell with a separator having a reinforced edge that provides structural rigidity to the separator after it has been contacted by the cell's electrolyte. The reinforced edge extends beyond the interface between the cell's electrodes and serves to c... | 12/07/2004 |
| 6777129 | Alkaline storage battery An alkaline storage battery having excellent self-discharge characteristics even after a number of charge-discharge cycles is provided. The alkaline storage battery is provided with a case and an electrode group enclosed in the case, and a separator that is included... | 08/17/2004 |
| 6737189 | Electrochemical cell constructions and methods of making the same A method of making electrochemical cells with high anode-to-cathode interfacial surface area and improved discharge efficiency at high rate discharge, without sacrificing total capacity involves the use of a separator coated electrode, and a flowable material compri... | 05/18/2004 |
| 6716550 | Sealing membrane electrode assemblies for electrochemical fuel cells An elastomer may be used to construct a separate, moldable part that engages the edge a membrane electrode assembly (MEA) to thereby seal the MEA. The seal has a groove defining two sealing portions separated by a web portion. The groove of the seal then engages the... | 04/06/2004 |
| 6713211 | Square shaped battery A square shaped battery includes: an electrode plate group including a belt-like positive electrode plate, a belt-like negative electrode plate, and a belt-like separator, the belt-like positive electrode plate, the belt-like negative electrode plate, and the belt-l... | 03/30/2004 |
| 6692866 | Lamination type secondary battery The present invention provides a lamination type secondary battery, in which accurate positioning can be performed for positive electrodes and negative electrodes arranged face-to-face to each other. The invention provides a lamination type secondary batt... | 02/17/2004 |
| 6667130 | Recombinant lead-acid cell and long life battery A lead-acid cell includes a case, positive and negative plates within the case, microporous separator material between adjacent plates and electrolyte in a starved amount, with the case having jar and covers joined by a weldment along overlapping cover an... | 12/23/2003 |
| 6656630 | Formed in situ separator for a battery A battery including a polar solvent transportive, ionically conductive separator formed directly on an electrode is prepared by applying a coating composition containing a polymer or gel dispersed in a polar solvent directly to the electrode surface and s... | 12/02/2003 |
| 6593028 | Separator envelope for swelling in electrochemical cells A casing having substantially parallel side walls connected by a curved end wall receives a cathode electrode having substantially parallel opposed side walls connected by end walls. The cathode electrode is enclosed by a separator envelope that substanti... | 07/15/2003 |
| 6569560 | Battery with encapsulated electrode plates A starved electrolyte battery utilizes resilient fibrous mat electrode plate separators. The resilient electrode plate separators extend beyond the peripheral edges of the electrode plates in the plate stack(s) of the battery and a) encapsulate, at least ... | 05/27/2003 |
| 6551745 | Thin lithium battery with slurry cathode A cathode slurry for use in a lithium battery, comprised of: about 60% to about 70% by weight manganese dioxide; about 5% to about 10% by weight carbon; and about 25% to about 35% by weight of an electrolyte, said electrolyte comprised of: about 10% to about 40% by... | 04/22/2003 |
