Tubular Type Patents (Class 429/140)
  • Patent number: 10622531
    Abstract: A light-emitting device includes a light emitting element having a pad electrode, and a metal member connected to the pad electrode via a wire. The wire has a layered structure including at least a core material containing copper as a main component, an intermediate layer containing palladium as a main component, and a surface layer containing silver as a main component. The intermediate layer is arranged between the core material and the surface layer.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: April 14, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Kato, Yuichi Hamada, Kensaku Hamada, Takanori Akaishi
  • Patent number: 10199635
    Abstract: Provided herein is a method of drying electrode assembly of lithium-ion battery, comprising the steps of vacuum drying the electrode assembly in an oven at elevated temperature; filling the oven with hot, dry air or inert gas; repeating the steps of vacuum drying and gas filling 2 or more times. The method disclosed herein can provide the electrode assembly having a water content of less than 20 ppm.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: February 5, 2019
    Assignee: GRST International Limited
    Inventors: Kam Piu Ho, Ranshi Wang, Peihua Shen
  • Patent number: 9472812
    Abstract: An electrical cell and method for generating electrical power are disclosed for producing electrical energy from a gas such as hydrogen and isotopes thereof. The electrical cell comprises an ionizing material located within an interior volume of a housing for absorbing the gas and separating ions and electrons. An electron collector receives electrons generated by the ionizing material. An insulator material within the housing inhibits electrons from entering into an ion collector while allowing the gas and the ions to pass to the ion collector for generating electrical voltage between the electron collector and the ion collector.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 18, 2016
    Assignee: BIOSEARCH, LLC
    Inventors: Talmadge Kelly Keene, Rebecca Van Orden, Charles E. Entenmann, David Cottrell
  • Patent number: 8871373
    Abstract: An insulation portion for an electrochemical cell having a plurality of slots into which bent electrode tabs are slid through during an assembly process of an electrochemical cell. A latch is disposed adjacent the slots and is movable from a resting position to a biased position to engage the electrode tabs. Attachment of the insulation portion to the electrochemical cell and bending of the electrode tabs can be robotically performed, such that controllers of an attachment device and bending device are in communication with each other.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: October 28, 2014
    Assignee: A123 Systems LLC
    Inventors: Charles E. Martin, Lucien Fontaine, William H. Gardner, Keith M. Bibby, Dale Beaver
  • Patent number: 8703314
    Abstract: A prismatic battery includes an electrode assembly including: a positive electrode including a belt-shaped positive electrode core member and a positive electrode active material layer formed on both surfaces thereof; a negative electrode including a belt-shaped negative electrode core member and a negative electrode active material layer formed on both surfaces thereof; and a belt-shaped separator. The electrode assembly is formed by winding the positive electrode, the negative electrode, and the separator in the longitudinal directions thereof. The negative electrode has, in an end portion thereof from which winding is started, a one-sided active material layer portion in which the negative electrode active material layer is provided only on one surface of the negative core member. The one-sided active material layer portion terminates at a predetermined position between positions at which the negative electrode is folded for the second time and for the third time.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: April 22, 2014
    Assignee: Panasonic Corporation
    Inventors: Takaharu Morikawa, Toru Takai
  • Patent number: 8679668
    Abstract: The invention relates to an improved industrial apparatus for the large-scale storage of energy and a process for storing and transporting electric energy by means of this apparatus.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: March 25, 2014
    Assignee: BASF SE
    Inventors: Christoph Übler, Dietmar Bender, Günther Huber, Andreas Fischer, Bernd Schube, Glyn Atherton, Francis Michael Stackpool, Cord-Henrich Dustmann
  • Patent number: 8637178
    Abstract: An electrode for a power storing apparatus has a collector and a plurality of electrode patterns formed on at least one surface of the collector. An electrode pattern in a region where heat is radiated less than in other region, from among the plurality of electrode patterns, has a lower formation density than an electrode pattern in the other region.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: January 28, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Yoshiyuki Nakamura
  • Patent number: 8323835
    Abstract: A battery includes a housing, an anode and a cathode within the housing, the anode having a first portion and a second portion adjacent to each other, a current collector at least partially disposed in the anode, a separator between the anode and the cathode, and an anode portion separator at least partially disposed in the anode and between the first and second portions of the anode.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: December 4, 2012
    Assignee: The Gillette Company
    Inventors: Stuart M. Davis, Javit A. Drake, Richard E. Durkot, Gary A. Miller, Thomas C. Richards
  • Patent number: 8212522
    Abstract: A battery assembly having batteries connected in series to form rows and columns of battery cells into packs that combine the energy of multiple batteries. The battery cells are joined together to form columns of cells connected mechanically together by an exterior connection sleeve, and mechanically and electrically connected together by a conductive epoxy joining the end of one cell to the end of an adjacent cell in series. The columns of cells are mounted and held in place by racks, with bolts passing through the racks to form a sandwich structure that secures the position and orientation of the cells and columns, and that maintains the electrical connection between joined cells. Perpendicularly disposed to the direction of the columns are a series of conductive bands that join adjacent cells together along rows of cells.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: July 3, 2012
    Inventors: Larry L. Deal, Gary J. Gloceri, Adam G. Sciriha, Todd A. Kendall, Wayne B. Uhrick, Phillip Piatkowski, Jr., Leah M. Piatkowski, legal representative, Sarwar Islam, Ladislau M. Mako, Theodore L. Hoag
  • Publication number: 20120126752
    Abstract: A nickel-metal hydride (hydrogen) hybrid storage battery comprising a positive electrode containing nickel hydroxide, a combination negative electrode containing a hydrogen storage alloy electrode and a reversible hydrogen electrode, an alkaline electrolyte, and an alkali conducting separator disposed between the positive electrode and the negative electrode. The alkali conducting separator may be a substantially non-porous ion conducting material wherein the alkali conducted is Na, K, or Li. A method of charging and discharging such a hybrid battery is also disclosed.
    Type: Application
    Filed: February 1, 2012
    Publication date: May 24, 2012
    Inventors: Ashok V. Joshi, John Howard Gordon, Sai Bhavaraja
  • Patent number: 8178228
    Abstract: The present invention provides an all-solid-state battery capable of improving output power. The all-solid-state battery includes a wound solid electrolyte/electrode assembly and a case housing the solid electrolyte/electrode assembly with a pressurized fluid being filled between the inner periphery surface of the case and the solid electrolyte/electrode assembly.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: May 15, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroshi Suyama, Koji Kawamoto
  • Patent number: 8088509
    Abstract: Disclosed herein is a lithium ion battery comprising an electrode core, an electrolyte solution, a metal shell and an end cover assembly, said metal shell comprising an outer wall, an inner wall and a chamber, said electrode core and electrolyte solution being located in the chamber of the metal shell, and said electrode core being connected to the end cover assembly with a electrode terminal of the electrode core, wherein the number of said electrode core is more than one, and the multiple electrode cores are located in the chamber of the metal shell. The lithium ion battery according to the present invention possesses excellent disperse heat dispersion, high mechanical safety, and good high rate discharge performance.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: January 3, 2012
    Assignee: BYD Company Limited
    Inventors: Xi Shen, Jianhua Zhu, Qing Lai, Yili Han
  • Patent number: 8043585
    Abstract: A process for recovering metals such as Ni, Co, Mn, Cu, Zn, among others, through precipitation as sulphides, enabling recovery of magnesium in the form of hydroxide, carbonate and oxide and providing recovery of sulphate as gypsum and ammonium sulphate. Liquid phase, after full treatment, comprises recovered water with a quality proper for total reuse in industrial process. This process of liquid and solid effluent treatment is provided with flexibility to process several types of effluents presenting wide variations in their chemical composition.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: October 25, 2011
    Assignee: Vale Inco Limited
    Inventors: Salomao Solino Evelin, Roberto Mattioli Silva
  • Publication number: 20110165448
    Abstract: The present invention concerns a tube plate for an electrode, preferably a positive electrode, of a lead acid battery, wherein the tube plate (2) has an upper frame (3) and a plurality of lead or lead alloy cores (1) extending substantially parallel from the upper frame (3). To provide a tube plate for an electrode of a lead acid battery, with which a lower current density and shorter current paths or diffusion paths for reducing the electrical resistance in comparison with tube plates in accordance with the state of the art are achieved, with the same use of material, it is proposed according to the invention that in the cross-section relative to their longitudinal extent the cores (1) have a surface profile with at least three convex portions (11) and at least three concave portions (12), wherein convex and concave portions (11, 12) alternate in the course of the surface profile.
    Type: Application
    Filed: July 14, 2009
    Publication date: July 7, 2011
    Applicant: EXIDE TECHNOLOGIES GMBH
    Inventors: Friedrich Kramm, Hubert Wittmann
  • Patent number: 7960050
    Abstract: A secondary battery includes an electrode group 5 formed by winding a positive electrode plate 1 and a negative electrode plate 2 with a separator 3 interposed therebetween. Each of the positive and negative electrode plates 1 and 2 includes a current collector 1 and mixture layers 8 and 9 each containing an active material and formed on the surface of the current collector 1. A plurality of trenches 30 are formed in the surfaces of the mixture layers 8 and 9 of at least one of the positive electrode plate 1 and the negative electrode plate 2. The trenches 30 have curvature portions at side edges 30b and bottom centers 30a thereof.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 14, 2011
    Assignee: Panasonic Corporation
    Inventors: Hideyuki Kumakiri, Seiichi Katou
  • Patent number: 7951476
    Abstract: An electrode assembly for a rechargeable battery resists external impacts applied to the rechargeable battery, and includes a sealing tape attached to an outer circumference of the rechargeable battery, which extends toward an upper part and a lower part to prevent the electrode assembly from unfastening, and a top insulating plate and a bottom insulating plate may be attached to the extended portion of the sealing tape. A shock resistant electrode assembly for a rechargeable battery has an insulating plate attached thereto by an extended portion of a sealing tape, thereby preventing the electrode assembly from moving in a battery housing when an external impact is applied.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: May 31, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Daekyu Kim
  • Patent number: 7740979
    Abstract: An alkaline electrochemical cell capable of providing optimum discharge efficiencies at both a high tech drain rate and a low drain rate is disclosed. In one embodiment, the ratio of the anode's electrochemical capacity to the cathode's electrochemical capacity is between 1.33:1 and 1.40:1 and the surface area of the anode to cathode interface is maximized.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: June 22, 2010
    Assignee: Eveready Battery Company, Inc.
    Inventor: Robert P. Johnson
  • Patent number: 7255958
    Abstract: A method includes the steps of: with the use of a winding core having a first member wherein its cross sectional-area in the direction orthogonal to the revolving axis and the peripheral length of the cross section are larger than those of a second member, passing a strip-shaped separator between the first member and the second member, placing one strip-shaped electrode plate near the second member such that the plate is not in contact with the winding core, and winding for one revolution the one electrode plate and the strip-shaped separator toward the first member; placing another strip-shaped electrode plate between the inner and outer portions of the separator that have been revolved along with the one electrode, winding both electrodes along with the separator toward the first member by revolving the winding core; removing the winding core and pressure-molding the resulting wound article into a flat wound electrode assembly.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: August 14, 2007
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Toshirou Yanagawa, Katsuya Mototani, Tatsuya Nagare, Hiroto Izui, Takashi Kondou, Yoshinori Yatabe
  • Patent number: 7150932
    Abstract: The present invention relates to a composite system comprising an electrode and a membrane, which can be used as a fuel cell element or an ion-exchange membrane.
    Type: Grant
    Filed: March 4, 2000
    Date of Patent: December 19, 2006
    Assignee: Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Thomas Höfler, Norbert Stroh
  • Patent number: 6960383
    Abstract: Combined boards are taught that comprise a second board substrate (12) having a through bore (14) formed therein, a first board substrate (10), and a connector pin (40, 50) received in the through bore (14) of the second board substrate (12). The first and second board substrates overlap such that the through bore (14) of the second board substrate (12) is covered by a first surface (10b) of the first board substrate (10). The connector pin is fusion bonded to a circumferential surface of the through bore (14) and the first surface (10b) of the first board substrate (10).
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: November 1, 2005
    Assignee: Araco Kabushiki Kaisha
    Inventors: Hitoshi Heta, Tamotsu Nagaya, Toshiaki Kondo, Masahiko Uchida, Makoto Suzuki
  • Patent number: 6884539
    Abstract: A fibrous microcell structure comprising: (1) an inner electrode, (2) a hollow fibrous membrane separator in contact with the inner electrode, (3) an electrolyte embedded in the hollow fibrous membrane separator, and (4) an outer electrode, wherein at least one of the inner and outer electrodes comprises a metal clad composite having two or more metal layers bonded together by solid-phase bonding. Preferably, such fibrous microcell structure is a fuel cell that comprises inner current collector, an inner catalyst layer, a hollow fibrous membrane separator in contact with the inner catalyst layer and the inner current collector, an electrolyte embedded in the hollow fibrous membrane separator, an outer catalyst layer, and an outer current collector.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: April 26, 2005
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6869725
    Abstract: The center pin 20 is cylindrical and tube-shaped, and each of the planes formed by the external surface of the center pin 20 in the vicinity of the edges 22a and 22b of the slit 21 is angled toward the inside of the center pin 20. The edges 22a and 22b are therefore arranged to be more inward than the imaginary circumference that complements the gap from the slit 21 of the center pin 20, and consequently, the edges 22a and 22b have less possibility of contacting and damaging the spiral-wound electrode assembly 10 in the event an external force deforms the center pin 20. Further, the planes formed by the external surface of the center pin 20 in the vicinal areas 23a and 23b of the edges 22a and 22b are angled so as to form an angle of no greater than 120 degrees.
    Type: Grant
    Filed: November 26, 2002
    Date of Patent: March 22, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Masato Iwanaga, Syuichi Yamashita, Masanori Ogi, Zensaku Yasutake
  • Patent number: 6830845
    Abstract: In the process of manufacturing a cylindrical battery, when a tubular separator (3) and bottom separator (5) are inserted into a battery casing (1) in which are accommodated positive electrode mixture pellets (2), by inserting the bottom separator (5) such that it is pushed into the battery casing (1) at the leading end of the tubular separator (3), the peripheral portion of the bottom separator (5) is raised up, so that both separators (3,5) are inserted into the battery casing (1) in a condition with the leading end of the tubular separator (3) surrounded from the outside by this peripheral raised-up portion.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: December 14, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasuhiko Shoji, Seiji Wada, Shigeto Noya, Tadahiro Sawada, Takayuki Aoi, Minoru Koda, Saburo Nakatsuka, Tsutomu Moriwaki
  • Patent number: 6680142
    Abstract: The invention relates to a microbattery made of bioelectroactive components based on biomimetic processes. Bio-derived electron donors and electron acceptors are separately encapsulated in at least one pair of polymerized phospholipid vesicles. Embedded within the vesicle walls are lipophilic electron mediators that facilitate the transfer of electrons across the vesicle walls. Each pair of vesicles is immobilized on a conducting surface. The pair of vesicles are isolated from each other to create a galvanic cell, in which electrons flow from high to low electrochemical potential. A high energy density battery can be achieved if the vesicles are immobilized on highly porous conducting substrates.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: January 20, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Alok Singh, Ivan Stanish
  • Publication number: 20040005498
    Abstract: A fibrous microcell structure comprising: (1) an inner electrode, (2) a hollow fibrous membrane separator in contact with the inner electrode, (3) an electrolyte embedded in the hollow fibrous membrane separator, and (4) an outer electrode, wherein at least one of the inner and outer electrodes comprises a metal clad composite having two or more metal layers bonded together by solid-phase bonding. Preferably, such fibrous microcell structure is a fuel cell that comprises inner current collector, an inner catalyst layer, a hollow fibrous membrane separator in contact with the inner catalyst layer and the inner current collector, an electrolyte embedded in the hollow fibrous membrane separator, an outer catalyst layer, and an outer current collector.
    Type: Application
    Filed: July 2, 2002
    Publication date: January 8, 2004
    Inventor: Ray R. Eshraghi
  • Patent number: 6541152
    Abstract: In the process of manufacturing a cylindrical battery, when a tubular separator (3) and bottom separator (5) are inserted into a battery casing (1) in which are accommodated positive electrode mixture pellets (2), by inserting the bottom separator (5) such that it is pushed into the battery casing (1) at the leading end of the tubular separator (3), the peripheral portion of the bottom separator (5) is raised up, so that both separators (3,5) are inserted into the battery casing (1) in a condition with the leading end of the tubular separator (3) surrounded from the outside by this peripheral raised-up portion.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: April 1, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasuhiko Shoji, Seiji Wada, Shigeto Noya, Tadahiro Sawada, Takayuki Aoi, Minoru Koda, Saburo Nakatsuka, Tsutomu Moriwaki
  • Publication number: 20030049525
    Abstract: A sealed lead-acid battery includes a separator made from hydrophilic treated sheet made from synthetic fiber wraps at least either one of positive electrode and negative electrode, and a mat type separator made from fine glass fiber is disposed between the wrapped electrode and its opposite electrode. This structure is adopted in a battery which uses a paste type electrode where an expanded grid having no outer frame on both edges is used, thereby prolonging cycle life even after cycling of charge and deep discharge.
    Type: Application
    Filed: September 25, 2002
    Publication date: March 13, 2003
    Inventors: Takashi Hottori, Akihiro Taniguchi, Kazunari Ando
  • Patent number: 6495281
    Abstract: Corrosion management componentry for use in fibrous electrochemical systems for generation/conversion of energy. Fibrous structures are provided for enhanced resistance to oxidative degradation of microcell-based high voltage, high power density fuel cell and battery systems.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: December 17, 2002
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6444339
    Abstract: Microcell structures and assemblies utilized for electrochemical generation/conversion of energy, in which high voltage, high power density outputs are produced for applications such as fuel cell and battery systems, with high efficiency extraction of heat produced in electrochemical reaction. The superior efficacy of thermal management achieved by the invention permits highly compact, small footprint electrochemical cells to be usefully employed in a variety of vehicular, consumer and industrial applications.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: September 3, 2002
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6403517
    Abstract: Fabrication process for manufacture of microcell structures and assemblies, in which a microcell precursor is contacted with one or more of electrolytes, electrocatalysts, electrocatalyst reducing agents, and hydrophicity-imparting materials. The process may derive the precursor from a high rate extrusion process in which the electrocatalyst is impregnated, coated or extruded on a fibrous substrate to form an electrode. The process of the invention permits the high volume production of fibrous microcell elements for correlative high volume production of highly compact, small footprint electrochemical cells useful for a variety of vehicular, consumer and industrial applications.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: June 11, 2002
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6403248
    Abstract: A microcell assembly wherein water is generated by electrochemical reaction and sorptive channeling elements are provided in the assembly to remove excess water from the locus of electrochemical reaction. The water management techniques of the invention enhance electrochemical generation/conversion of energy, and facilitate high voltage, high power density outputs for applications such as fuel cell and battery systems.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: June 11, 2002
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6399232
    Abstract: Series-connected microcell structures and assemblies are efficiently utilized for electrochemical generation/conversion of energy. The microcell structures of the invention are readily constructed from discrete fibrous microcell elements that are fabricated in sheet form and assembled into layered, sub-bundled and bundled conformations that produce high voltage, high power density outputs in applications such as fuel cell and battery systems.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: June 4, 2002
    Assignee: Microcell Corporation
    Inventor: Ray R. Eshraghi
  • Patent number: 6177210
    Abstract: A cup-shaped separator and method of assembly for an electrochemical cell for separating a positive electrode from a negative electrode. The separator comprises a sheet of non-conductive separator material have a bottom section and a side wall section. The separator sheet has a plurality of tabs formed in the bottom section. The separator sheet is rolled and the plurality of tabs are folded inward to form a closed bottom surface of the cup-shaped separator.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: January 23, 2001
    Assignee: Eveready Battery Company, Inc.
    Inventor: Glenn R. Lonsberry
  • Patent number: 6099987
    Abstract: A cylindrical electrochemical cell includes a cathode, an anode, a cylindrical separator, coaxial with the cell, for electrically separating the cathode and anode, and a cup seal at an end of the separator for electrically separating the anode and cathode and maintaining an ionic connection therebetween. The cup seal is comprised of one or more first layers of a micro-porous or a non-porous membrane, or a combination thereof, and one or more second layers of a porous membrane and wherein the seal overlaps at least a portion of the separator.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: August 8, 2000
    Assignee: Battery Technologies Inc.
    Inventors: Josef Daniel-Ivad, Elfriede Daniel-Ivad, R. James Book
  • Patent number: 5948561
    Abstract: An electrochemical cell and method for achieving increased anode-to-cathode interface area to realize enhanced service performance are disclosed. A first electrode, such as a cathode, is provided in a container and a cavity is formed in the first electrode. A tubular separator is disposed within the cavity by inserting a conductive plate against the separator to form first and second separator compartments. The conductive plate is preferably coated with active first electrode material, such as manganese dioxide, and the plate is interference fit within the cavity. A second electrode, such as an anode, is disposed within each of the first and second separator compartments. A collector is assembled in contact with the anode and a cover and seal assembly is assembled to the top of the container.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: September 7, 1999
    Assignee: Eveready Battery Company, Inc.
    Inventor: Lewis F. Urry
  • Patent number: 5916706
    Abstract: A battery construction and a method of producing the construction. The construction comprises a ceramic separator having a honeycomb structure in which cells run lengthwise of the honeycomb and are separated by porous walls, and internal positive and negative electrodes positioned in part at least within the honeycomb structure.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: June 29, 1999
    Assignee: Corning Incorporated
    Inventors: George E. Berkey, John L. Stempin, Ronald L. Stewart, Dale R. Wexell
  • Patent number: 5738955
    Abstract: A tubular, rigid, porous, ceramic separator for a rechargeable, deep-discharge battery assembly, the separator having a porosity greater than 40%. A plurality of battery cells, each embodying such separators, are assembled with a common terminal to form the positive electrode in a motive traction battery.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: April 14, 1998
    Assignee: Corning Incorporated
    Inventors: Thomas N. Gardner, Alvin J. Salkind, John L. Stempin, Dale R. Wexell
  • Patent number: 5674639
    Abstract: An electrochemical cell includes a first active electrode material having a tubular shape closed at one end and open at the other, a second active electrode material disposed within the cavity of the tubular shaped first active electrode material, a scrolled separator disposed between the sidewalls of the cavity and the second active electrode material, and an insulator disc disposed between the closed end of the cavity and the second active electrode material. The scrolled separator and insulator disc cooperate to provide a liner which provides a continuous electrical and physical barrier between the cavity walls and the second active electrode material disposed within the cavity. The cell utilizes a simple design which minimizes space occupied by the separator and insulator disc, while maximizing the available area for ion mass transfer between the electrodes, whereby greater cell efficiency and improved performance characteristics are achieved.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 7, 1997
    Assignee: Eveready Battery Company
    Inventor: Lewis Frederick Urry
  • Patent number: 5492782
    Abstract: A high-storage-capacity electrical storage battery (20) includes a plurality of fiber anodes (22), a plurality of fiber cathodes (28) bundled together and interspersed with the fiber anodes (22), and an electrolyte in the interstices (40) between the fiber anodes (22) and the fiber cathodes (28). The fiber anodes (22) and the fiber cathodes (28) include anode fibers (24) and cathode fibers (30) that are each preferably of a diameter of 0.010-0.050 inches. A tubular compliant lateral casing (44) laterally surrounds the fiber anodes (22), the fiber cathodes (28), and the electrolyte. A compliant end plate (46) is sealed to the lateral casing (44) at each end thereof with an end of each fiber anode (22) extending out of a first end plate at a first end of the battery (20), and an end of each fiber cathode extending out of a second end plate at a second end of the battery (20). A protective metallic housing (45) overlies the compliant lateral casing (44).
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: February 20, 1996
    Assignee: Hughes Aircraft Company
    Inventor: Lin R. Higley
  • Patent number: 5484461
    Abstract: A method for producing Li(Al) alloy anode comprises the steps of alloying Li and Al, grinding the formed alloy, pressing the powder around a current conductive thread and enclosing the anode element in a microporous separator material.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: January 16, 1996
    Assignee: Inclusion AB
    Inventors: Ulf Rothman, Jesper Malling
  • Patent number: 5478677
    Abstract: A battery separator for tubular positive electrodes composed of a microporous, composite sheet product having first and second major surface, formed from a uniform mixture of a polymer, a filler, a processing aid a porous form stable layer at least partially embedded in either the first or second major surface and having a series of vertical tubes arranged across its surface. The tubular sleeve/separator can be formed of individual tubes, flat sheets formed into a series of tubes or sheets containing half tubes and which are aligned and bonded together to form the series of tubes.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: December 26, 1995
    Assignee: Daramic, Inc.
    Inventors: Wai M. Choi, Ingo W. Schmidt
  • Patent number: 5449574
    Abstract: An electrical device such as a battery (20) or capacitor is formed as alternating facing layers of an array of fibrous electrodes. The fibrous electrodes (24) of one set of layers are connected at one end (36) of the array, and the fibrous electrodes (30) of the alternating set of layers are connected at the other end (38) of the array. The fibrous electrodes (24, 30) of the two layers, taken together, preferably have a two-dimensional close-packed arrangement. Desirably, no connection is made to at least one of each pair of any shorted electrodes that may be present.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: September 12, 1995
    Assignee: Hughes Aircraft Company
    Inventor: Lin R. Higley
  • Patent number: 5328586
    Abstract: A process for the manufacture of an electrode for lead-acid storage battery wherein a current-conducting backing is subjected to electrochemical treatment, to produce an active material. Said active material is formed from the outer layer of the current-conducting backing. The active material is subjected to compression by applying a pressure to the surface thereof.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: July 12, 1994
    Assignee: Gorodskoi Studenchesko-Molodezhny Tsentr "Praktika"
    Inventors: Mikhail B. Konovalov, Vladislav N. Demin, Oleg N. Demin
  • Patent number: 5217825
    Abstract: An improved tubular sealed lead-acid battery is proposed which has superior cycle life performance by providing a gap A between adjacent tubes which gap is expressed by the following equation, in which constant X is within the range of 0.29-0.75:A=B.times.constant X.times.(1.1-0.1.times.E)-2.times.C.times.DwhereA: the gap between the tubes (mm)B: the inside radius of the tube (mm)C: the thickness of the tube (mm)D: the porosity of the tube (%).times.0.01E: the inter-electrode distance (mm).
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: June 8, 1993
    Assignee: Japan Storage Battery Co., Ltd.
    Inventors: Masaaki Shiomi, Kenzi Nakamura
  • Patent number: 5208120
    Abstract: An electrochemical cell, such as an alkaline cell, employing at least two separator strips in which the strips have notches appropriately placed so that when the separator is formed into a closed end cylindrical configuration it will have substantially no folds protruding inside and/or outside its wall at the area adjacent its bottom surface.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: May 4, 1993
    Assignee: Eveready Battery Company, Inc.
    Inventor: Jerrold Winger
  • Patent number: 5205990
    Abstract: An oxygen generator having a honeycomb body made of oxygen ion conducting material separates oxygen from a first gas, such as air. The honeycomb body has a plurality of generally parallel first and second channels coated with a layer of porous metal conductor which serve as electrodes. The first and second channels are arranged in alternating rows across the face of the honeycomb and the respective electrodes therein are oppositely charged by connection to a voltage source. Oxygen ions from a first gas in the first channels are caused to tranit across the channel walls to the second channels under an applied voltage. Oxygen generated in the second channels may be collected in a manifold through a set of third channels which intersect the sealed second channels, and used in applications such as home breathing apparatus'. Additional features are included in the honeycomb body and in the design of manifolds to facilitate the supply of a first gas and collection of oxygen.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: April 27, 1993
    Inventor: William N. Lawless
  • Patent number: 4906536
    Abstract: A tubelet panel of fabric face sheets and parallel, continuous film, partition strips normal to the face sheets and having their longitudinal edges fused into the fabric of the face sheets is formed by thermal fusion by applying heat and pressure to the outer surfaces of the face sheets in the regions in registry with the partition edges. The partition material is chosen to have a lower melting temperature than the face sheet material and the applied heat is at a temperature above the melting temperature of the partition material and below the melting temperature of the face sheet material.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: March 6, 1990
    Assignee: Fremont Special Machine Company, Inc.
    Inventor: Robert D. Simonton
  • Patent number: 4788114
    Abstract: In an electrode for an electrochemical cell, the solid active electrode material is accomodated in a plurality of electrolyte-permeable hollow fibres, preferably of yieldable plastic.An electrochemical cell comprises at least one such electrode.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: November 29, 1988
    Assignee: Inclusion AB
    Inventor: Ulf S. E. Rothman
  • Patent number: 4678730
    Abstract: A process and apparatus is provided for filling tubular plate positive electrodes for use in lead-acid secondary cells with lead oxide particulate material in a highly fluid slurry form wherein tubular plate positive electrode assemblies comprising a plurality of substantially lead spines aligned on a conductive bar, each spine enveloped by a porous tubular sheath, are footed prior to being filled with lead oxide particulate material in a highly fluid slurry form. The foot according to the present invention comprises a plurality of aligned projections extending from a base portion and slurry access ports penetrating the foot. Each projection engages a spine within its spine recess and is itself engaged within a tubular sheath, and each projection is provided with at least one slurry access port. Lead oxide particulate material in a highly fluid slurry form is introduced into the annular space between each spine and its corresponding tubular sheath through the slurry access ports penetrating the foot.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: July 7, 1987
    Assignee: KW Battery Company
    Inventor: Mark L. Eggers
  • Patent number: 4587181
    Abstract: A lead acid recombination cell of motive power type comprises a sealed container containing negative plates alternating with tubular positive plates comprising a plurality of parallel tubes of porous material which contain active material and along the interior of each of which a conductive spine extends. Adjacent plates are separated by compressible fibrous absorbent material and the cell contains substantially no free unabsorbed electrolyte whereby substantially all the electrolyte is absorbed in the plates and separator material.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: May 6, 1986
    Assignee: Chloride Group Public Limited Company
    Inventors: Ian K. Gibson, Kenneth Peters