Reactive Metallic Can, Cup Or Tubular Electrode Patents (Class 429/166)
  • Patent number: 10411289
    Abstract: A lithium battery includes a positive electrode designed as a hollow cylinder and defines a cavity, a negative electrode arranged in the cavity, a separator, a liquid electrolyte, a first current collector for the negative electrode, a second current collector for the positive electrode, an at least two-part housing that encloses an interior space in which the positive electrode together with the negative electrode arranged in the cavity and the separator are arranged, wherein a pin is provided as a first current collector inside the housing, a part of the housing serves as a second current collector, the pin has a first, terminal section embedded in the negative electrode and in direct contact with the negative electrode, and the pin has a second section not in direct contact with the negative electrode, and an insulator element that protects the second section at least partially against direct contact with the electrolyte.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: September 10, 2019
    Assignee: VARTA Microbattery GmbH
    Inventors: Winfried Gaugler, Hanna Siwek
  • Patent number: 10407780
    Abstract: An electrochemical reactor includes positive and negative electrodes. A conductive and/or dielectric liquid is provided between the positive and negative electrodes. A first isolation member provided on the positive electrode isolates the positive electrode from the liquid, and a second isolation member provided on the negative electrode isolates the negative electrode from the liquid. The first and second isolation member each includes a liquid-repellent porous membrane. The reactor further includes a pressure-applying member which pressurizes the liquid to fill the pores of the first and second liquid-repellent porous membranes with the liquid, thereby causing an electrochemical reaction involving the positive and negative electrodes.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 10, 2019
    Assignee: M Hikari & Energy Laboratory Co., Ltd.
    Inventor: Masataka Murahara
  • Patent number: 10355250
    Abstract: A lithium cell includes a housing including a housing cup, a cover plate and an annular insulating sealing element, wherein the housing has an end-side cup base, a circumferential housing casing and a circular opening opposite the housing base and formed by an opening edge. The cover plate has a circumferential edge and closes the circular opening. The cell includes a pin-shaped negative electrode current collector electrically connected to the cover plate. The sealing element is fitted onto the edge of the cover plate. The sealing element insulates the cover plate and the housing cup from one another. The cell can be produced by the components being brought together in two preassembled units combined to form the cell.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: July 16, 2019
    Assignee: VARTA Microbattery GmbH
    Inventor: Winfried Gaugler
  • Patent number: 9991497
    Abstract: An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and substrate end enabling the pin/mandrel to be used during the manufacturing process as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin additionally extends from the battery case and in the final product constitutes one of the battery terminals with the battery case comprising the other terminal. Active material is removed from both sides of the outer end of the negative electrode in the jellyroll to allow room for adhesive tape to secure the jellyroll. The electrolyte is injected through the open end of the case after the endcap is welded to the negative electrode but before sealing the endcap to the case. The electrolyte is preferably injected through the C-shaped mandrel to facilitate and speed filling.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: June 5, 2018
    Assignee: QUALLION, LLC.
    Inventors: David M. Skinlo, Hisashi Tsukamoto, Andrew Szyszkowki, Leon Parkhouse, Vladimir Zolotnik
  • Patent number: 9843025
    Abstract: A secondary battery having no beading portion includes an electrode assembly having a cathode plate and an anode plate arranged with a separator being interposed therebetween, a battery case having an upper can configured to accommodate the electrode assembly and an electrolytic solution in an inner space thereof and have an open top and an open bottom, the top of the upper can being bent inwards, and a lower sealing member coupled to the bottom of the upper can to seal the bottom of the upper can, and a cap assembly having a top cap protruding on an uppermost portion thereof to form a cathode terminal, a safety vent located below the top cap and configured to change a shape when an inner pressure of the battery case increases, and a gasket surrounding rims of the top cap and the safety vent.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 12, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jong Kim, Cha-Hun Ku
  • Patent number: 9590233
    Abstract: A battery cathode is made by mixing electrochemically active cathode material, graphite, water and an aqueous based binder to provide a mixture. The mixture is extruded continuously into a cathode. Water is then removed from the cathode. The cathode is cut into individual pieces.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: March 7, 2017
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventor: Yousef Georges Aouad
  • Patent number: 9468974
    Abstract: CuFe2P is used in a plain bearing or as a plain bearing material. A plain bearing composite material which comprises a supporting layer is provided with a bearing metal layer based on CuFe2P.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: October 18, 2016
    Assignee: Federal-Mogul Wiesbaden GmbH
    Inventors: Holger Schmitt, Thomas Enghof, Daniel Meister
  • Patent number: 9112361
    Abstract: A combined system reinforces the safety of lithium ion batteries by redesign of electrolyte and the charging current a) modifying the electrolyte to inhibit or prevent dendrite growth preferably by the addition of lithiated polyphenoxy polyethylene glycol and/or a second surface active compound chosen from the family of fluorosurfactants, and/or a modest amount of lithium or sodium borate, b) modifying the charging cycle by a so-called ripple current in order to inhibit or prevent dendrite growth (ripple current meaning oscillation in the amount of amperage or voltage in the charging cycle), c) programmable battery management systems with temperature and electrical limits integrated in order to eliminate from the circuit and bypass malfunctioning cells based on past performance of the charging cycle and voltage endpoints achieved, d) minimizing any transient currents and voltages into or out of the battery system and e) maintaining a cool atmosphere in the battery space.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 18, 2015
    Inventor: Brooke Schumm, Jr.
  • Patent number: 8871386
    Abstract: A secondary battery comprising an electrode assembly including: a first electrode plate connected to a first electrode tab, a second electrode plate connected to a second electrode tab, and a separator disposed therebetween; a can having an opening, to house the electrode assembly; and a cap assembly to seal the opening. The first electrode tab has a reinforcement portion. The first electrode tab has a welding portion connected to the cap assembly and a bent portion formed in the reinforcement portion, which is thicker than the welding portion.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 28, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 8852818
    Abstract: A non-aqueous secondary battery contains a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution. The positive electrode contains a layered structure lithium-containing compound oxide, or a spinel lithium-containing compound oxide containing manganese as an active material. The non-aqueous electrolytic solution contains at least one additive selected from a sulfonic acid anhydride, a sulfonate ester derivative, a cyclic sulfate derivative and a cyclic sulfonate ester derivative, and a vinylene carbonate or a derivative of the vinylene carbonate.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: October 7, 2014
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Jinbao Zhao, Eri Kojima
  • Patent number: 8808895
    Abstract: A battery may have a foil battery pack with leads that are coupled to a printed circuit board. Battery protection structures formed from an insulating material such as plastic may be used to protect the foil battery pack. The foil battery pack may have a rectangular shape with front and rear faces surrounded by a rectangular peripheral edge. The battery protection structures may have a ring shape that surrounds the peripheral edge while leaving the front and rear faces exposed to minimize the size of the battery protection structures. An elastomeric material may be used to form the battery protection structures. The elastomeric material may allow the battery protection structures to stretch when the battery pack expands during use. Two shots of plastic may be incorporated into the battery protection structures to provide both puncture resistance and the ability to stretch during use.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: August 19, 2014
    Assignee: Apple Inc.
    Inventors: Shayan Malek, Miguel C. Christophy, Jared M. Kole
  • Publication number: 20140193701
    Abstract: A layered electrode group according to the present invention includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate is formed into a substantial U-shape by disposing two active material retaining portions retaining the positive active material opposite to each other. The negative electrode plate is formed into a substantial U-shape by disposing two active material retaining portions retaining the negative active material opposite to each other. The positive electrode plate and the negative electrode plate are layered such that at least one active material retaining portion at the positive electrode plate is sandwiched between two active material retaining portions at the negative electrode plate.
    Type: Application
    Filed: July 20, 2012
    Publication date: July 10, 2014
    Applicant: GS YUASA INTERNATIONAL LTD.
    Inventors: Manabu Kanemoto, Tadashi Kakeya, Mitsuhiro Kodama
  • 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: 8679669
    Abstract: Disclosed herein is a battery module including a plurality of battery cells mounted in a module case in a stacked state, wherein cooling members are mounted at interfaces between the battery cells, the module case is configured in a structure in which two opposite sides of the module case are open so that corresponding portions of the battery cell stack are exposed outward through the two open opposite sides of the module case, the cooling members are partially exposed outward through the two open opposite sides of the module case, and a coolant flows along the two open opposite sides of the module case while contacting the outwardly exposed portions of the cooling members.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: March 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jinkyu Lee, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Minjung Kim
  • Patent number: 8663835
    Abstract: Provided are a cap assembly for a secondary battery and a secondary battery having the same. Here, when a can is sealed using a laser beam, soot and degradation of a gasket of the cap assembly may be prevented. The cap assembly includes an electrode terminal, a cap plate having a terminal through-hole, and a gasket disposed between the electrode terminal and the cap plate, and a distance between an outermost edge of the gasket and an outermost edge of the cap plate is 0.7 times or greater than a diameter of a laser beam used in a sealing process of the can.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: March 4, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Cheon-Soo Kim
  • Patent number: 8497034
    Abstract: An alkaline battery including a positive electrode of a hollow cylindrical shape disposed in contact with an inner surface of a bottomed cylindrical battery case, a gelled negative electrode, a separator, and an alkaline electrolyte. The separator includes a cylindrical separator disposed in contact with the inner side surface of the positive electrode, and a bottom separator covering an opening of the cylindrical separator in the bottom side of the battery case. The bottom of the battery case includes: an annular base portion for supporting the positive electrode; an annular intermediate portion provided inwardly of the base portion, for supporting the bottom separator; and a terminal portion protruding outwardly from the intermediate portion. The intermediate portion has an inclined surface on the inner bottom surface of the battery case, the inclined surface being inclined downwardly from the base portion toward the terminal portion.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: July 30, 2013
    Assignee: Panasonic Corporation
    Inventors: Masatoshi Hano, Yasuhiko Syoji
  • Patent number: 8450007
    Abstract: A stacked secondary battery includes battery element including a multilayer structure formed by laying alternately flat plate-shaped positive electrodes and flat plate-shaped negative electrodes by way of separators, the number of the positive electrodes being larger by one than that of the negative electrodes or vice versa, and connecting positive electrode draw-out terminals of the positive electrodes to each other and also negative electrode draw-out terminals of the negative electrodes to each other, plate-shaped metal members respectively arranged on and held in contact with the opposite end surfaces of the multilayer structure as viewed in the stacking direction, binding members binding the plate-shaped metal members so as to pinch and hold the multilayer structure from the end surfaces thereof and a film casing containing the battery element pinched by and held between the plate-shaped metal members in a sealed condition.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: May 28, 2013
    Assignee: NEC Energy Devices, Ltd.
    Inventors: Shinsuke Enomoto, Tomokazu Kumeuchi
  • Patent number: 8435666
    Abstract: Disclosed herein is a battery module including a plurality of battery cells mounted in a module case in a stacked state, wherein cooling members are mounted at interfaces between the battery cells, the module case is configured in a structure in which two opposite sides of the module case are open so that corresponding portions of the battery cell stack are exposed outward through the two open opposite sides of the module case, the cooling members are partially exposed outward through the two open opposite sides of the module case, and a coolant flows along the two open opposite sides of the module case while contacting the outwardly exposed portions of the cooling members.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: May 7, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Jinkyu Lee, Hee Soo Yoon, BumHyun Lee, Dal Mo Kang, Minjung Kim
  • Patent number: 8273474
    Abstract: Electrochemical cell battery systems and associated methods of operation are provided based on the incorporation of a thermal management matrix including a supply of phase change material disposed at least in part in a heat conductive lattice member to effectively dissipate heat produced or generated by or in the battery system such as to minimize or prevent thermal runaway propagation in the electrochemical cells of the system.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: September 25, 2012
    Assignee: Illinois Institute of Technology
    Inventors: Said Al-Hallaj, Jan Robert Selman
  • Patent number: 8236444
    Abstract: A low volume collector assembly and an electrochemical cell employing a collector assembly are provided. The electrochemical cell includes an electrically conductive can having inner and outer electrodes disposed therein. The cell also includes a collector assembly assembled to an open end of the can to provide closure to the open end of the can. The collector assembly includes a seal and a cover assembled to the seal to provide a sealed closure to the open end of the can. The cover includes an integrally formed current collector portion that contacts one end of the inner electrode. The cover serves as a current collector and also serves as a contact terminal of the cell.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: August 7, 2012
    Assignee: Eveready Battery Company, Inc.
    Inventors: Ning Cui, Urs Krebs, Peter R. Tsai
  • Patent number: 8211567
    Abstract: A sealed battery includes: a battery container having in at least an end portion thereof an opening portion, and a container folded-back portion formed in a peripheral edge of the opening portion; a lid having in its outer periphery a lid folded-back portion, and being attached to the opening portion of the battery container; a junction portion in which the container folded-back portion and the lid folded-back portion are integrally joined by a double-rolled seam method; a first seal member closing a first gap between a distal end portion of the container folded-back portion clamping a distal end portion of the lid folded-back portion and an inside of a folded curve portion of the lid folded-back portion; and a second seal member closing a second gap between the distal end portion of the lid folded-back portion and an inside of a folded curve portion of the container folded-back portion.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: July 3, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideki Hori, Shigetaka Nagamatsu
  • Patent number: 8137835
    Abstract: The plated steel plate for a cell can provides stable and good electrical contact on an outer surface of the cell can, and the evolution of gas within a battery can be suppressed by reducing damage to a plated surface of the steel plate when the cell can is formed by drawing press. In this manner, it is possible to provide a battery and an alkaline dry battery that can realize stable electrical contact with devices and reduce the evolution of gas. In a plated steel plate for a cell can both of whose surfaces are plated mainly with nickel, one surface of a steel plate that is a plated substrate is a dull finished surface, and another surface thereof is a bright finished surface.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: March 20, 2012
    Assignee: FDK Energy Co., Ltd.
    Inventors: Yuji Tsuchida, Shigeyuki Kuniya, Tatsuya Yamazaki
  • Patent number: 8097357
    Abstract: A battery can of the present invention ensures a stable and favorable contact with an electrode and thus makes it possible to obtain a highly reliable battery excellent in high rate discharge characteristics. The battery can having an opening, including a cylindrical side portion and a bottom portion, of the present invention is formed from a steel plate. The steel plate has an Ni—Fe alloy layer on the inner face side of the battery can. The Ni—Fe alloy layer has an oxide layer containing iron and having a thickness of 10 to 50 nm on the inner face side of the battery can.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: January 17, 2012
    Assignees: Panasonic Corporation, Toyo Kohan Co., Ltd.
    Inventors: Katsuhiko Mori, Kouhei Kitagawa, Masatoshi Hano, Toru Morimoto, Hideo Omura, Tatsuo Tomomori, Masao Suda, Hitoshi Omura
  • Publication number: 20120009465
    Abstract: An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided. An alkaline battery according to the present invention includes a closed-end cylindrical battery case 8 housing a hollow cylindrical positive electrode 2, a negative electrode 3 disposed in a hollow portion of the positive electrode 2, a separator 4 sandwiched between the positive electrode 2 and the negative electrode 3, and an alkaline electrolyte. The negative electrode 3 is made of a zinc porous body made of a collection of zinc fibers. The alkaline electrolyte includes 0.05% to 0.5% by mass, both inclusive, of at least one of polyacrylate and polyacrylic acid with respect to a mass of zinc in the negative electrode 3.
    Type: Application
    Filed: October 2, 2009
    Publication date: January 12, 2012
    Inventors: Fumio Kato, Jun Nunome, Harunari Shimamura
  • Patent number: 8092939
    Abstract: A virtually lead additive-free but highly reliable and practical anode zinc can for a battery with improved process-ability and corrosion resistance. A manganese dry battery comprising such a zinc can. A manufacturing method for making the zinc can and a battery.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: January 10, 2012
    Assignees: Toshiba Consumer Electronics Holdings Corporation, Kabushiki Kaisha Toshiba, Toshiba Home Appliances Corporation
    Inventors: Kazunari Kobayashi, Mutsuhiro Maeda
  • Patent number: 8080336
    Abstract: An alkaline dry battery of this invention includes: a positive electrode including at least one of a manganese dioxide powder and a nickel oxyhydroxide powder; a negative electrode including a zinc alloy powder; a separator interposed between the positive electrode and the negative electrode; an alkaline electrolyte; and a battery case for housing the positive electrode, negative electrode, the separator, and the alkaline electrolyte. The negative electrode further includes a surfactant that adsorbs to a surface of the zinc alloy powder during a non-discharge period and promptly desorbs from the surface of the zinc alloy powder upon start of discharge without impeding ion transfer in the alkaline electrolyte.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: December 20, 2011
    Assignee: Panasonic Corporation
    Inventors: Hidekatsu Izumi, Susumu Kato, Kenji Yamamoto, Shinichi Sumiyama, Hirofumi Iwaki
  • Patent number: 8076022
    Abstract: A battery includes a case having an interior holding an electrolyte activating one or more anodes and one or more cathodes. A cover is positioned on the case. The cover includes one or more quenching media that each has a phase transition that occurs at a temperature above a failure temperature of the battery and below a failure temperature of the battery. The failure temperature is the temperature at which a chain reaction associated with thermal runaway is initiated. The failure temperature of the battery is the temperature of the battery at which the thermal runaway causes failure of the battery.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: December 13, 2011
    Assignee: Quallion LLC
    Inventor: Hisashi Tsukamoto
  • Patent number: 8048558
    Abstract: A nickel-zinc battery cell is formed with a negative can, a positive cap, and a jelly roll of electrochemically active positive and negative materials within. The inner surface of the can is protected with an anticorrosive material that may be coated or plated onto the can. Good electrical contact between the jelly roll and the cap is achieved through folding the nickel substrate over to contact a positive current collection disk.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: November 1, 2011
    Assignee: PowerGenix Systems, Inc.
    Inventors: Jeffrey Phillips, Franz Josef Kruger, Samaresh Mohanta, Sean Clinton, Ernest M. Rimanosky, Jason Zhao, Cecilia Maske, Zheng Gang Fan
  • Publication number: 20110206983
    Abstract: An alkaline battery including a positive electrode of a hollow cylindrical shape disposed in contact with an inner surface of a bottomed cylindrical battery case, a gelled negative electrode, a separator, and an alkaline electrolyte. The separator includes a cylindrical separator disposed in contact with the inner side surface of the positive electrode, and a bottom separator covering an opening of the cylindrical separator in the bottom side of the battery case. The bottom of the battery case includes: an annular base portion for supporting the positive electrode; an annular intermediate portion provided inwardly of the base portion, for supporting the bottom separator; and a terminal portion protruding outwardly from the intermediate portion. The intermediate portion has an inclined surface on the inner bottom surface of the battery case, the inclined surface being inclined downwardly from the base portion toward the terminal portion.
    Type: Application
    Filed: January 13, 2011
    Publication date: August 25, 2011
    Inventors: Masatoshi HANO, Yasuhiko Syoji
  • Patent number: 7897282
    Abstract: An AA alkaline battery according to the present invention includes: a positive electrode; a negative electrode; a separator; an alkaline electrolyte; and a negative electrode current collector. The negative electrode contains zinc, indium, and bismuth. The weight of zinc is 4.0 g or more, and the total weight of indium and bismuth is 450 ppm or less with respect to the weight of zinc. The negative electrode current collector contains copper. Tin is provided on at least part of the surface of the negative electrode current collector.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: March 1, 2011
    Assignee: Panasonic Corporation
    Inventors: Yasuhiko Bito, Fumio Kato, Harunari Shimamura
  • Patent number: 7871724
    Abstract: A rechargeable battery and a method of forming the rechargeable battery. An electrode assembly includes a first electrode and a second electrode, and a separator disposed between the first electrode and the second electrode to prevent a short circuit between the first electrode and the second electrode. A first electrode tap is formed on an end portion of the first electrode and a second electrode tap is formed on an end portion of a second electrode, each end portion being absent active materials. A can is adapted to receive the electrode assembly and have the electrode assembly welded to an inner side of the can. A cap assembly surrounded by a gasket insulates the cap assembly and seals an opening of the can.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: January 18, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae Kyu Kim
  • Publication number: 20100068618
    Abstract: A manganese dry battery made from a virtually lead additive-free but highly reliable and practical anode zinc can that has improved process-ability and corrosion resistance.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 18, 2010
    Applicant: TOSHIBA BATTERY CO., LTD.
    Inventors: Kazunari KOBAYASHI, Yoshiki FURUKOSHI, Mutsuhiro MAEDA
  • Publication number: 20090269661
    Abstract: A battery can of the present invention ensures a stable and favorable contact with an electrode and thus makes it possible to obtain a highly reliable battery excellent in high rate discharge characteristics. The battery can having an opening, including a cylindrical side portion and a bottom portion, of the present invention is formed from a steel plate. The steel plate has an Ni—Fe alloy layer on the inner face side of the battery can. The Ni—Fe alloy layer has an oxide layer containing iron and having a thickness of 10 to 50 nm on the inner face side of the battery can.
    Type: Application
    Filed: June 20, 2006
    Publication date: October 29, 2009
    Inventors: Katsuhiko Mori, Kouhei Kitagawa, Masatoshi Hano, Toru Morimoto, Hideo Omura, Tatsuo Tomomori, Masao Suda, Hitoshi Omura
  • Patent number: 7601461
    Abstract: An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and substrate end enabling the pin/mandrel to be used during the manufacturing process as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin additionally extends from the battery case and in the final product constitutes one of the battery terminals with the battery case comprising the other terminal. Active material is removed from both sides of the outer end of the negative electrode in the jellyroll to allow room for adhesive tape to secure the jellyroll. The electrolyte is injected through the open end of the case after the endcap is welded to the negative electrode but before sealing the endcap to the case. The electrolyte is preferably injected through the C-shaped mandrel to facilitate and speed filling.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 13, 2009
    Assignee: Qualllion LLC
    Inventors: David M. Skinlo, Hisashi Tsukamoto, Andrew Szyszkowski, Leon Parkhouse, Vladimir Zolotnik
  • Publication number: 20090197164
    Abstract: The invention provides a plated steel plate for a cell can in which stable and good electrical contact can be provided on an outer surface of the cell can, and the evolution of gas within a battery can be suppressed by reducing damage to a plated surface of the steel plate when the cell can is formed by drawing press. In this manner, it is possible to provide a battery and an alkaline dry battery that can realize stable electrical contact with devices and reduce the evolution of gas. In a plated steel plate 110 for a cell can both of whose surfaces are plated mainly with nickel, one surface of a steel plate 111 that is a plated substrate is a dull finished surface 111a, and another surface thereof is a bright finished surface 111b.
    Type: Application
    Filed: May 30, 2007
    Publication date: August 6, 2009
    Applicant: FDK Energy Co., Ltd
    Inventors: Yuji Tsuchida, Shigeyuki Kuniya, Tatsuya Yamazaki
  • Patent number: 7569305
    Abstract: An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and substrate end enabling the pin/mandrel to be used during the manufacturing process as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin additionally extends from the battery case and in the final product constitutes one of the battery terminals with the battery case comprising the other terminal. Active material is removed from both sides of the outer end of the negative electrode in the jellyroll to allow room for adhesive tape to secure the jellyroll. The electrolyte is injected through the open end of the case after the endcap is welded to the negative electrode but before sealing the endcap to the case. The electrolyte is preferably injected through the C-shaped mandrel to facilitate and speed filling.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: August 4, 2009
    Assignee: Quallion LLC
    Inventors: David M. Skinlo, Hisashi Tsukamoto, Andrew Szyszkowski, Leon Parkhouse, Vladimir Zolotnik
  • Patent number: 7491464
    Abstract: An alkaline cell having a flat housing, preferably of cuboid shape. The housing may be laser welded closed with a metal cover inserted as a part of an end cap assembly. A portion of an insulating seal may be held compressed between a sleeve extending from the metal cover and an anode current collector nail within the end cap assembly. The housing may include a vent mechanism, preferably a grooved vent, which can activate, when gas pressure within the cell reaches a threshold level typically between about 250 and 800 psig (1724×103 and 5515×103 pascal gage). The cell can have a supplemental laser welded vent which may activate at higher pressure levels.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: February 17, 2009
    Assignee: The Gillette Company
    Inventors: Brien Merrill, Derek Bobowick, Robert S. Ferrin, David Anglin, Mark Ashbolt, Scott Manning, Anthony Malgioglio, Alexander Shelekhin, Steven J. Specht, Matthew Sylvestre, Philip Trainer, Robert A. Yoppolo
  • Patent number: 7470487
    Abstract: A battery having a bundle of electrodes and separator which is made by winding a positive-electrode plate and a negative-electrode plate together with a separator therebetween, one of the positive- and negative-electrode plates being electrically connected to a power collecting body, the power collecting body being provided in and welded to an outer package can, wherein a welding portion of the outer package can and the power collecting body comprises a first layer and a second layer which are stacked in a thickness direction of the outer package can at the welding portion, and the second layer is in contact with a surface of the first layer and includes crystal grains that are minuter than crystal grains included in the first layer.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: December 30, 2008
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Tomimoto, Kazuki Shimozono, Etsuya Fujisaka, Futoshi Nakano, Hiroshi Hosokawa
  • Patent number: 7452629
    Abstract: A nickel metal hydride storage battery included a battery case, and a group of electrode plates arranged in the battery case, wherein the battery case includes a battery case main body having a hole and a lid for closing the hole. The battery case includes a first portion made of a metal or a laminate of a metal and a resin, and a second portion made of a resin; and an area of the first portion is 20% or more and 90% or less with respect to the entire battery case. Thus, a nickel metal hydride storage battery is capable of controlling the amount of hydrogen permeating the battery case and capable of suppressing the long-term deterioration.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: November 18, 2008
    Assignees: Panasonic Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsunori Komori, Yoshiaki Ogata, Atsushi Adachi, Katsunori Maekawa, Noriyuki Fujioka
  • Patent number: 7416811
    Abstract: 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 the jellyroll.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: August 26, 2008
    Assignee: Quallion LLC
    Inventors: Hiroshi Nakahara, Mikito Nagata, David M. Skinlo, Hisashi Tsukamoto, Hiroyuki Yumoto
  • Patent number: 7348099
    Abstract: A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated on both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: March 25, 2008
    Assignee: GS Yuasa Corporation
    Inventors: Hiroshi Mukai, Tetsuya Murai, Shinya Kitano, Mikio Okada, Hiroshi Nakahara, Mikito Nagata, Hiroyuki Yumoto
  • Patent number: 7169507
    Abstract: A manganese dry battery with excellent leak-proof property is provided, in which electrolyte leakage does not occur even if the size of a positive electrode material mixture is increased to meet a demand for improvement in discharge property. In a sealing part, a first circular projection, a second circular projection and a third circular projection are arranged at the bottom in sequence from the center to the outside, and a positive electrode carbon rod supporting part is provided in an innermost periphery portion to have an interval from the first circular projection. A groove between the first projection and the carbon rod is formed to have a substantially rectangular vertical section, kraft board is pressed by flat bottom surfaces of the first and second projections and an opening of the zinc can is fitted between the second and third projections.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: January 30, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Koji Inokuchi, Ryohei Ashihara, Keiji Ogino, Isao Kubo
  • Patent number: 7153606
    Abstract: A secondary battery including an electrode group formed by winding a positive electrode and a negative electrode with the interposition of a separator, the positive electrode includes a belt-shaped positive electrode core and a positive electrode material mixture carried on the positive electrode core, the negative electrode includes a belt-shaped negative electrode core and a negative electrode material mixture carried on the negative electrode core, at least one of the positive electrode and the negative electrode has an end portion parallel to the lengthwise direction thereof exposing the core, the end portion positioned at an end face of the electrode group is directly connected to a current collector plate, and at least part of the current collector plate is exposed outside at the bottom of a battery case.
    Type: Grant
    Filed: April 19, 2004
    Date of Patent: December 26, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayuki Shirane, Tetsu Hashimoto, Naoto Arai, Futoshi Tanigawa
  • Patent number: 7094494
    Abstract: 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 be supplied through an open end in the housing and an end cap assembly inserted therein to seal the cell. The end cap assembly includes a vent mechanism which can activate, when gas pressure within the cell reaches a threshold level typically between about 100 and 300 psig (6.89×105 and 20.69×105 pascal gage). The cell can have primary and supplemental vent mechanisms such as welded or thinned regions on the surface of the housing which may activate at different pressure levels. The cathode can be formed of a plurality of stacked slabs having aligned hollow centers with an elongated opening for anode material to be inserted therein.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: August 22, 2006
    Assignee: The Gillette Company
    Inventors: David Anglin, Mark Ashbolt, Derek Bobowick, Anthony Malgioglio, Brien Merrill, Alexander Shelekhin, Steven J. Specht, Matthew Sylvestre, Philip Trainer, Robert A. Yoppolo
  • Patent number: 6902843
    Abstract: The present invention provides a steel sheet material used for a positive electrode can and a positive electrode can for an alkaline manganese battery capable of improving the battery characteristics for an alkaline manganese battery, characterized in that the plated steel sheet for a positive electrode can for an alkaline manganese battery has Ni-based diffusion plating layer having on the top layer many small pinholes of diameter not greater than 1 ?m, i.e. submicron pinholes, formed on the surface of the steel sheet to be used as an internal surface of the can. Said submicron pinholes preferably have, as observed by SEM, diameter in the range of 0.1˜1 ?m and are present at density not less than 30 pcs/(10 ?m×10 ?m). The surface of the steel sheet to be used as an external surface of the can preferably has a Fe—Ni diffusion plating layer and a Ni plating layer that has been softened by recrystallization.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: June 7, 2005
    Assignee: Nippon Steel Corporation
    Inventors: Kiyokazu Ishizuka, Teruaki Yamada, Michihiro Nouno
  • Patent number: 6849357
    Abstract: 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 lower part the space efficiency of the battery pack is enhanced and by virtue of the shape of the upper part the productivity of the battery is improved. Further, preferably, the corners of the lower part of the case are rounded or chamferred, whereby the temperature rise in the battery pack is suppressed.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: February 1, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideki Kasahara, Masumi Katsumoto, Masaharu Miyahisa, Yoshihiro Boki
  • Patent number: 6797429
    Abstract: A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating material, if it is a separator, is impregnated. The electricity-generating element is sealed in a battery case formed by a resin-laminated sheet comprising a metal layer as a barrier layer. Only a pair of lead terminals are drawn to the exterior of the battery case. The resin sheet comprises an oriented resin layer laminated in both surfaces of the metal layer. The inner heat-fused layers are opposed and heat-fused to each other. A molten and solidified resin mass is formed protruding from the inner end of the welded portion toward the inner space of the battery by 0.1 mm or more. Alternatively, the welded portion is formed thinner at the outer end thereof than at the inner end thereof.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: September 28, 2004
    Assignee: Japan Storage Battery Co, Ltd.
    Inventor: Shigeo Komatsu
  • Patent number: 6767668
    Abstract: Disclosed is a solid electrolyte battery including: a first electrode including a first collector, and a first active material layer formed on one surface of the first collector with an outer peripheral edge portion of the first collector remaining as a collector exposed portion; a second electrode including a second collector and second active material layers formed on both surfaces of the second collector; and a solid electrolyte interposed between the first electrode and the second electrode; wherein the second electrode is held in the first electrode in such a manner that the first active material layer is opposed to each of the second active material layers via the solid electrolyte, and is sealed in the first electrode by joining the collector exposed portion of the first electrode to each other. This battery is allowed to be further thinned and reduced in weight, to be improved in energy density per weight and energy density per volume, and to be enhanced in air-tightness.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: July 27, 2004
    Assignee: Sony Corporation
    Inventors: Takahiro Endo, Koichiro Kezuka, Tsuyonobu Hatazawa
  • Publication number: 20040067414
    Abstract: The present invention provides a thermal management apparatus and method that yields a more homogeneous thermal distribution on a thermal plate and further, minimizes the pressure drop across a thermal plate. The invention includes a first plate 100 and a second plate 102. The plates includes fluid delivery channel 104a configured to deliver a fluid to a first fluid flow channel 106a. The first fluid flow channel 106a serves as a feeder for the first peripheral fluid distribution channels 108a. The cross sectional areas of the peripheral fluid distribution channels 108a can be constant or can be varied so as to ensure a constant heat flux across the plate per unit area.
    Type: Application
    Filed: October 2, 2002
    Publication date: April 8, 2004
    Inventors: Ronghua Wei, Leslie Momoda
  • Publication number: 20040062984
    Abstract: A manganese dry battery with excellent leak-proof property is provided, in which electrolyte leakage does not occur even if the size of a positive electrode material mixture is increased to meet a demand for improvement in discharge property. In a sealing part, a first circular projection, a second circular projection and a third circular projection are arranged at the bottom in sequence from the center to the outside, and a positive electrode carbon rod supporting part is provided in an innermost periphery portion to have an interval from the first circular projection. A groove between the first projection and the carbon rod is formed to have a substantially rectangular vertical section, kraft board is pressed by flat bottom surfaces of the first and second projections and an opening of the zinc can is fitted between the second and third projections.
    Type: Application
    Filed: August 12, 2003
    Publication date: April 1, 2004
    Inventors: Koji Inokuchi, Ryohei Ashihara, Keiji Ogino, Isao Kubo