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| Number | Title | Issue Date |
| 7972723 | Flat alkaline primary battery A flat alkaline primary battery is provided. The annular end portion of the negative electrode can is engaged with the annular end portion of the positive electrode can so that the positive electrode can and the negative electrode can are connected via a gasket to c... | 07/05/2011 |
| 7947391 | Lead-alkaline battery A rechargeable battery is provided such that the positive electrode comprises lead dioxide, the negative electrode zinc, iron, lead or cadmium, and the electrolyte is alkaline. Upon discharge, the lead dioxide is reduced to lead oxide, the metal is oxidized to an ox... | 05/24/2011 |
| 7867653 | Alkaline storage battery system An alkaline storage battery system according to an aspect of the present invention, with which a partial charging-discharging is performed, includes an alkaline storage battery 10 including an electrode group having a nickel positive electrode 11, a hy... | 01/11/2011 |
| 7816030 | Electrolyte composition for nickel-zinc batteries Electrodes and electrolytes for nickel-zinc secondary battery cells possess compositions that limit dendrite formation and other forms of material redistribution in the zinc electrode. In addition, the electrolytes may possess one or more of the following characteri... | 10/19/2010 |
| 7767336 | Alkaline battery and method for producing the same There is provided an alkaline battery produced by sealing in an outer package body: a positive mixture containing at least one selected from manganese dioxide and a nickel oxide, a conducting agent, and an alkaline electrolytic solution (A) containing potassium hydr... | 08/03/2010 |
| 7648799 | Multi-layer positive electrode structures having a silver-containing layer for miniature cells A silver-containing alkaline electrochemical cell and methods for producing the cell, wherein the cell includes a negative electrode, a positive electrode, a separator disposed between the electrodes, and an alkaline electrolyte, wherein the positive electrode is fo... | 01/19/2010 |
| 7550230 | Electrolyte composition for nickel-zinc batteries Electrodes and electrolytes for nickel-zinc secondary battery cells possess compositions that limit dendrite formation and other forms of material redistribution in the zinc electrode. In addition, the electrolytes may possess one or more of the following characteri... | 06/23/2009 |
| 7510801 | Alkaline battery and method for producing the same There is provided an alkaline battery produced by sealing in an outer package body: a positive mixture containing at least one selected from manganese dioxide and a nickel oxide, a conducting agent, and an alkaline electrolytic solution (A) containing potassium hydr... | 03/31/2009 |
| 7438990 | 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... | 10/21/2008 |
| 7413828 | Wafer alkaline cell A wafer alkaline cell of a laminar structure is disclosed. The cell has a pair of opposing sides comprising at least the majority of the boundary surface of said cell. The opposing sides define a short cell dimension therebetween. The cell comprises an anode assembl... | 08/19/2008 |
| 7407728 | Alkaline cell or battery An alkaline cell or battery having at least one positive and one negative electrode which are separated by a separator and which are disposed, along with an alkaline electrolyte, in a housing, the separator being a non-woven fabric, a microporous foil, or a web made... | 08/05/2008 |
| 7405023 | Alkaline dry battery The present invention provides an alkaline dry battery which has excellent heavy load and intermediate load discharge characteristics, and in which reduction in light load discharge characteristic is suppressed. In the alkaline dry battery comprising: a negative ele... | 07/29/2008 |
| 7364819 | Alkaline electrochemical cell with a blended zinc powder An electrochemical cell with a blended zinc powder is disclosed. The blended zinc powder includes selected portions of a first zinc powder and a second zinc powder. In a preferred embodiment, the first and second powders are divided into groups based on ranges in th... | 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 |
| 7351499 | Cathode material for battery The cathode of an alkaline battery can include an electrically conductive additive to increase the cathode efficiency. The additive can include a barium salt and an electrically conductive material. The electrically conductive material can be coated on a surface of ... | 04/01/2008 |
| 7351495 | Method of adding electrolyte to a gap between the cathode and separator of an alkaline cell An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 04/01/2008 |
| 7344801 | High-voltage dual electrolyte electrochemical power sources An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte in contact with the anode and an acidic electrolyte in contact with ... | 03/18/2008 |
| 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 |
| 7341803 | Battery with increased electrode interfacial surface area and increased active materials An alkaline battery cell with improved high rate and high power discharge capacity is provided, without sacrificing capacity at low rate and low power, by adding at least a second anode or cathode, reducing the effective maximum electrode thicknesses, and increasing... | 03/11/2008 |
| 7335445 | Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage battery A particulate positive electrode active material for an alkaline storage battery comprising: (a) solid solution nickel hydroxide particles containing at least magnesium and (b) a coating layer comprising cobalt oxide being formed on the surface of the solid solution... | 02/26/2008 |
| 7329623 | Durable hydrophilic nonwoven mat A nonwoven web of a wettable fiber matrix, wherein the wettable fiber matrix are thermoplastic polymeric fibers blended with at least one hydrophilic melt additive. In alternate embodiments, the nonwoven web further includes binder fibers which may be wettable or no... | 02/12/2008 |
| 7326496 | Alkali dry cell In an alkaline dry battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, the positive electrode includes manganese dioxide and graphite powder and contains Ti(SO4)2 as an additive. ... | 02/05/2008 |
| 7314687 | Gelling agent for alkaline cell and alkaline cell A gelatinizer for alkaline batteries, which comprises crosslinked polymer particles comprising, as one or more main constituting monomer units, (meth) acrylic acid and/or an alkali metal salt thereof having an average particle size of 0.1 to 2,000 μm, and a super f... | 01/01/2008 |
| 7314681 | Cylindrical alkaline cells with increased discharge performance An alkaline battery cell with increased discharge capacity is provided. Both the internal volume and the electrode interfacial surface area are increased, without unnecessarily increasing the overall cell volume, by increasing the height but not the diameter of the ... | 01/01/2008 |
| 7300721 | Alkaline secondary electrochemical generators with a zinc anode The invention relates to secondary alkaline electrochemical generators with a zinc anode in an electrolyte, the active mass of said anode comprising at least one conductive ceramic. According to the invention, the electrolyte of the generator is made up of a highly-... | 11/27/2007 |
| 7291186 | Solid porous zinc electrodes and methods of making same A solid porous zinc electrode for use in alkaline-zinc batteries, zinc-air batteries and fuel cells is provided which comprises specific zinc filaments, fibers, threads or strands compressed into a physically-stable wooly mass to form the electrode with a controlled... | 11/06/2007 |
| 7273675 | Aqueus electrolytic solution primary battery The invention provides a battery including a power generating element container, a positive electrode mixture, and a hydrogen gas permeable sheet provided in an opening of the power generating element container, the hydrogen gas permeable sheet having a water repell... | 09/25/2007 |
| 7273680 | Alkaline battery including nickel oxyhydroxide cathode and zinc anode A primary alkaline battery includes a cathode including a nickel oxyhydroxide and an anode including zinc or zinc alloy particles. Performance of the nickel oxyhydroxide alkaline cell is improved by adding zinc fines to the anode. ... | 09/25/2007 |
| 7238446 | Active electrode composition with conductive polymeric binder An active composition for an electrode of an electrochemical cell. The active composition comprises an active electrode material and a conductive polymer. The electrochemical cell is preferably a battery cell or a fuel cell. ... | 07/03/2007 |
| 7238448 | Cathode for air assisted battery A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO2 and at least about 2% by weight of a hydrophobic polymer; the MnO2 consists essentially of electrochemically synthesized MnO | 07/03/2007 |
| 7238447 | Enclosed nickel-zinc primary battery its anode and production methods for them A high-capacity enclosed nickel-zinc primary battery excellent in characteristics such as capacity maintenance factor, energy density, and high-efficient discharge characteristics, an anode using it, and a production method for them. An enclosed nickel-zinc primary ... | 07/03/2007 |
| 7232628 | Optimised alkaline electrochemical cells Alkaline electrochemical cells with substantially increased performance characteristics have a porous anode, with a porosity equal to or greater than 69%, and a porous cathode, comprising manganese dioxide and having a porosity equal to or greater than 26%. ... | 06/19/2007 |
| 7229714 | Alkaline dry battery The present invention provides an alkaline dry battery which has excellent heavy load and intermediate load discharge characteristics, and in which reduction in light load discharge characteristic is suppressed. In the alkaline dry battery comprising: a negative ele... | 06/12/2007 |
| 7226693 | Cadmium negative electrode for alkaline storage battery and method for producing the same A method for producing a cadmium negative electrode for alkaline batteries according to the present invention comprises a step of obtaining a cadmium active-substance impregnated electrode plate by impregnating said electrode substrate with a cadmium active substanc... | 06/05/2007 |
| 7205065 | Gastight prismatic nickel-metal hydride cell A gastight nickel/metal hydride cell for the storage of electrochemical energy, having at least one positive nickel oxide electrode and at least one hydrogen-storing negative electrode, a hydrophilic separator being arranged between the positive and negative electro... | 04/17/2007 |
| 7189475 | Lithium secondary battery The present invention provides a secondary battery which is less expensive, whose safety is extremely high, which is of large capacity as well as good cyclic characteristic, and which uses an aqueous solution for the electrolytic solution. A lithium secondary batter... | 03/13/2007 |
| 7179310 | Zinc/air cell with improved anode A method of forming an anode comprising zinc for a zinc/air cell. The method involves mixing zinc particles with binders including preferably polyvinylalcohol, surfactant and water to form a wet paste. The wet paste is compacted and molded into the near shape of the... | 02/20/2007 |
| 7169508 | Method of manufacturing anode compositions for use in rechargeable electrochemical cells A method of manufacturing an anode composition for use in an electrochemical cell in which the anode comprises an electrochemically active material, the method comprising the steps of mixing the electrochemically active material with an alkaline electrolyte solution... | 01/30/2007 |
| 7160647 | Battery cathode Batteries are disclosed. In some embodiments, a battery has a cathode that includes CuxMyOzXt, where M is a metal, X includes one or more halides and/or nitrate, x+y is from about 6.8 to about 7.2, and z and t are selected... | 01/09/2007 |
| 7147968 | Positive electrode for lithium-sulfur battery A positive electrode for a lithium-sulfur battery includes a positive active material including a sulfur-based compound, an electrically conductive material, an agent for increasing viscosity, and a binder. The agent is selected from a cellulose-based compound, an i... | 12/12/2006 |
