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| Number | Title | Issue Date |
| 7883794 | Electrochemical device comprising aliphatic mono-nitrile compound Disclosed is a cathode comprising a complex formed between the surface of a cathode active material and an aliphatic mono-nitrile compound, and an electrochemical device comprising the cathode. A non-aqueous electrolyte containing a lithium salt, a solvent and an al... | 02/08/2011 |
| 7871721 | Electrochemical device comprising aliphatic mono-nitrile compound Disclosed is a cathode comprising a complex formed between the surface of a cathode active material and an aliphatic mono-nitrile compound, and an electrochemical device comprising the cathode. A non-aqueous electrolyte containing a lithium salt, a solvent and an al... | 01/18/2011 |
| 7829212 | Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator im... | 11/09/2010 |
| 7718309 | Platinum and tungsten containing electrocatalysts The present teachings are directed toward electrocatalyst composition of an alloy of platinum and tungsten for use in fuel cells. The alloy consists essentially of platinum metal present in an atomic percentage ranging between about 20 percent and about 50 percent, ... | 05/18/2010 |
| 7709138 | Low profile insulated battery enclosure incorporating a step/work surface A battery enclosure that includes a bottom portion configured to house a battery array and a top portion that is configured to rest on the bottom portion and enclose the battery array. The top portion of the battery enclosure is configured to be at least partially s... | 05/04/2010 |
| 7638236 | Positive electrode for lithium ion battery and lithium ion battery using same A positive electrode for a lithium ion battery has a conductive collector, a positive electrode active material layer being contact with the collector, and a cover layer disposed on at least part of the surface of the positive electrode active material layer. The po... | 12/29/2009 |
| 7389580 | Method and apparatus for thin-film battery having ultra-thin electrolyte A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing a first material layer to a location on a substrate. Energy is suppl... | 06/24/2008 |
| 7390591 | Ionically conductive membranes for protection of active metal anodes and battery cells Disclosed are ionically conductive membranes for protection of active metal anodes and methods for their fabrication. The membranes may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the mem... | 06/24/2008 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7306879 | Lithium ion secondary cell A lithium ion secondary cell comprises a positive electrode, a negative electrode, a solid electrolyte and a fiber layer provided in an interface between the solid electrolyte and the positive electrode and/or in an interface between the solid electrolyte and the ne... | 12/11/2007 |
| 7282295 | Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator im... | 10/16/2007 |
| 7282296 | Ionically conductive composites for protection of active metal anodes Disclosed are ionically conductive composites for protection of active metal anodes and methods for their fabrication. The composites may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the p... | 10/16/2007 |
| 7247408 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium... | 07/24/2007 |
| 7194801 | Thin-film battery having ultra-thin electrolyte and associated method A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing a first material layer to a location on a substrate. Energy is suppl... | 03/27/2007 |
| 7175937 | Separator having inorganic protective film and lithium battery using the same Provided are a separator having an inorganic protective film and a lithium battery using the separator. The separator has suppressed self discharge and reduced internal shorting. ... | 02/13/2007 |
| 7000297 | Electrochemical cell current collector having openings of progressively larger sizes converging at a tab The present invention relates to a current collector for an electrochemical cell. The current collector is a substrate having a grid pattern comprising open areas converging at an imaginary focal point on a connector tab of the substrate. The openings are grouped in... | 02/21/2006 |
| 6964829 | Lithium secondary cell and method for manufacturing same A lithium secondary cell has, on a conductive substrate (collector) a lithium layer containing metallic lithium or an alloy thereof, and further has a metal fluoride substance film containing at least one type metal fluoride substance. ... | 11/15/2005 |
| 6936381 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and crosslinked polymer layers in contact with the first layer compri... | 08/30/2005 |
| 6924062 | Nickel-metal hydride storage battery A nickel-metal hydride storage battery which includes a positive electrode containing nickel hydroxide, a negative electrode containing a hydrogen absorbing alloy and an alkaline electrolyte, wherein the positive electrode contains a hydroxide and/or an oxide of an ... | 08/02/2005 |
| 6797428 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and crosslinked polymer layers in contact with the first layer compri... | 09/28/2004 |
| 6770176 | Apparatus and method for fracture absorption layer Methods of manufacturing an electrochemical device, are taught. The methods may be of particular use in the manufacture of thin-film, lightweight, flexible or conformable, electrochemical devices such as batteries, and arrays of such devices. The methods may provide... | 08/03/2004 |
| 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 |
| 6645667 | Lithium secondary cell A lithium secondary cell comprising a safe aqueous-solution electrolyte free from danger of firing and explosion and capable of supplying a high voltage of more than 3 V. The cell includes a positive plate having an active material absorbing/desorbing lit... | 11/11/2003 |
| 6420071 | Method for improving the durability of ion insertion materials The invention provides a method of protecting an ion insertion material from the degradative effects of a liquid or gel-type electrolyte material by disposing a protective, solid ion conducting, electrically insulating, layer between the ion insertion lay... | 07/16/2002 |
| 6391488 | Non-aqueous electrolyte cell The present invention relates to an improved non-aqueous electrolyte cell comprising an anode, a cathode and a separator spirally wound so that the anode is disposed on the outer side of the cathode to form an electrode assembly. The outermost end of the ... | 05/21/2002 |
| 6309777 | Explosion-resistant large capacitive lithium ion secondary battery An active material free part of a positive electrode is coated with an over-coat material, wherein the over-coat material has at least one of the following properties: suppression of heat transfer from the second part of the electrode to the separator; re... | 10/30/2001 |
| 6270928 | Process for producing an electrolytic cell having a polymeric separator A polymeric separator for an organic electrolyte electrochemical system comprises an elastomeric polymer, optionally, a polymer which swells in the organic electrolyte and with which the elastomeric polymer forms an alloy and, optionally, an inorganic com... | 08/07/2001 |
| 6136468 | Electrochemical cell with deferred assembly Printed electrochemical cells including both power cells and display cells are arranged in a partially assembled condition to extend shelf life of the cells. The partially assembled condition is also used as a switching mechanism for controlling activatio... | 10/24/2000 |
| 6136471 | Lithium ion secondary battery having firmly adherent layers Positive and negative active material particles 7a and 9a are adhered to the respective current collectors 6 and 8 by means of a binder resin 11 to prepare positive and negative electrodes 3 and 5. The positive and negative electrode active material layer... | 10/24/2000 |
| 6063899 | Apparatus and method for extracting plasticizer An apparatus and method for extracting plasticizer from polymer structures includes, in one embodiment, a vacuum chamber, a heating member and a condenser, the plasticizer being vaporized from the polymer structure by a combination of low temperature and ... | 05/16/2000 |
| 5714278 | Edge-sealed battery separator The present invention concerns forming a masked area on a porous separator material for use in a battery. Masked areas can be formed on the porous separator material with heat and/or pressure. The use of a masked area allows for easier alignment of the an... | 02/03/1998 |
| 5612153 | Battery mask from radiation curable and thermoplastic materials A secondary, solid electrolytic battery includes a number of electrically connected electrolytic cells wherein for each cell the anode and cathode are separated from each other by a mask that is a layer of electrically insulative material that is coated a... | 03/18/1997 |
| 5399444 | Encapsulated dry electrolyte composition for time release into a solute A device for delivering a water soluble electrolyte is provided comprising core of a solid electrolyte composition enclosed by a polymeric coating which is permeable to water. The coating has at least one hole to permit passage of an aqueous solution of t... | 03/21/1995 |
| 5387479 | Electrodes for rechargeable lithium batteries In an electrochemical cell having an active metal negative electrode, a positive electrode and a electrolyte separator there is provided a first layer between the negative electrode and the electrolyte separator, the layer comprises a carbon-based materia... | 02/07/1995 |
| 5219676 | Extended shelf-life battery The present invention provides a method for maintaining the specific gravity of acid in a lead-acid battery within a predetermined range to prevent undesirable plate degradation and gassing during storage. Extended shelf-life is accomplished by employing ... | 06/15/1993 |
| 5169659 | Hot climate battery A battery for operation in hot dry climates is provided with unique plate grids and a floated insulating layer over the electrolyte.... | 12/08/1992 |
| 5116697 | Hot climate battery and materials for use in same and methods and apparatus for same We have discovered that the introduction of small particulate matter into the area between the electrolyte and the inner surface of the battery cover can dramatically reduce water loss, if the material possess the following properties: The material should... | 05/26/1992 |
| 5114806 | Perforated retainer for horizontal mount gelled-electrolyte cells A perforated retainer is installed just under the top surface of the gelled electrolyte in a lead-acid storage battery to prevent the gel from crumbling and separating from the element plates when the battery is mounted horizontally. The size and density ... | 05/19/1992 |
| 4666800 | Cover for a battery cell A cover which is to be sealed tightly to the corresponding plastic container of a battery cell by means of radiant heating is provided with a series of molded knobs along the lower side of its edge, which knobs serve as spacers between the cover and the e... | 05/19/1987 |
| 4551401 | Method of suppressing lead dust A method of suppressing lead dust generated in the manufacture of pasted lead acid storage battery plates by coating the surface of a pasted battery plate with a solution or a suspension comprising ammonium sulfate, copolymer and water. The resultant wate... | 11/05/1985 |
