Search Patents
  • NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE
    Publication number: 20110076557
    Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li+) or more. The battery satisfying the following equations (I) and (II): 1?Q2/Q1 ??(I) 0.5?C/A?0.
    Type: Application
    Filed: September 23, 2010
    Publication date: March 31, 2011
    Inventors: Haruchika Ishii, Toshihide Arikawa, Hirotada Tahara, Masataka Shikota, Kazuko Takanezawa, Hiroki Inagaki, Yuichi Kikuma, Yoshiaki Asami
  • Nickel-cadmium battery
    Patent number: 4471038
    Abstract: The addition of certain polymer compounds such as polybenzimidazole increases the capacity and cycle life of cadmium electrodes in nickel-cadmium batteries.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: September 11, 1984
    Assignee: AT&T Bell Laboratories
    Inventor: Brijesh Vyas
  • CATHODE MATERIAL AND BATTERY
    Publication number: 20140272555
    Abstract: A lithium ion battery cathode material, and an electrode prepared from such material, is described. The cathode material has a layered-spinel composite structure. The lithium ion battery operates at a high voltage (i.e. up to about 5 V) and has a desirably high cycling performance and rate capability.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: MARK GERRIT ROELOFS, Jun J. Liu
  • Lithium-ion battery
    Patent number: 6617075
    Abstract: An improved lithium-ion or lithium-polymer battery that is capacity-fade resistant. The battery includes an anode comprised of graphite where density of the graphite is in a range from 1.2 to 1.5 g/c3; and the battery further has a cathode that is comprised of LiNiO2 present at a density in a range from 3.0 to 3.3 g/c3. The battery also includes an electrolyte and a separator between the anode and cathode, and the separator is coated with PVDF such that the anode, cathode, and separator are held together to form the electricity-producing battery. The ratio by weight of LiNiO2 to graphite present in the battery is preferably no greater than 2.0 to 1.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: September 9, 2003
    Assignee: Motorola, Inc.
    Inventors: Zhenhua Mao, Anaba Anani
  • Method for determining the lithiation of Li-ion battery electrodes
    Patent number: 9778212
    Abstract: A method for determining an amount of lithium in a lithium-ion battery electrode sample includes a step of determining powder X-ray diffraction peaks of the lithium-ion battery electrode sample. The powder X-ray diffraction peaks of the lithium-ion battery electrode sample are compared with a set of lithium-containing samples having pre-determined lithium concentrations to determine the amount of lithium in the lithium-ion battery electrode sample.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: October 3, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Misle M. Tessema, Michael P. Balogh
  • NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING POSITIVE AND NEGATIVE ELECTRODES
    Publication number: 20020012841
    Abstract: A non-aqueous electrolyte secondary battery having a large capacity with improved charge/discharge characteristics is provided.
    Type: Application
    Filed: November 17, 1999
    Publication date: January 31, 2002
    Inventors: SHIGEO KUROSE, TADAYOSHI IIJIMA, TETSUYA TAKAHASHI
  • CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES
    Publication number: 20100316909
    Abstract: The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine, a modified olivine, or the rhombohedral NASICON structure and the polyanion (PO4)3? as at least one constituent for use as electrode material for alkali-ion rechargeable batteries.
    Type: Application
    Filed: August 20, 2010
    Publication date: December 16, 2010
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Nickel-hydride battery used for battery-operated vehicles
    Patent number: 5434019
    Abstract: This invention relates to a nickel-hydride alkaline battery. In the battery, both negative and positive electrodes use an electrode plate with a net structure to solve the problems of high internal resistance, current collecting and heat releasing. The battery can be used practically as a starting and driving power for electric automobiles.
    Type: Grant
    Filed: October 18, 1993
    Date of Patent: July 18, 1995
    Assignee: Sunlee Hi-Tech Industry Co. Ltd. of NanKai University
    Inventors: Yunshi Zhang, Youxiao Chen, Deying Song, Jun Chen, Xuejun Cao, Genshi Wang, Zuoxiang Zhou, Huatang Yuan
  • High-power battery
    Patent number: 7816034
    Abstract: A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: October 19, 2010
    Inventors: Donald L. McGervey, Paul T. Szozdowski, Gerhard E. Welsch
  • Activation of Anode and Cathode in Lithium-Ion Polymer Battery
    Publication number: 20080070103
    Abstract: A lithium-ion polymer battery and method and apparatus for manufacturing the same, are disclosed. The battery includes an anode comprising a first electrolytic solution and a cathode comprising a second electrolytic solution, and the first and second electrolytic solutions are different. The method includes activating the anode and the cathode in the different electrolytic solutions prior to battery assembly and prior to forming an SEI layer on the anode surface.
    Type: Application
    Filed: September 19, 2006
    Publication date: March 20, 2008
    Inventors: Thomas Lin, Larisa Malinovskaya, Jun Chen
  • LITHIUM ION BATTERY CATHODE AND LITHIUM ION BATTERY USING THE SAME
    Publication number: 20120295161
    Abstract: The present disclosure relates to a lithium ion battery cathode. The lithium ion battery cathode includes a plurality of cathode active material particles and a conductive carrier. The conductive carrier includes a plurality of carbon nanotubes. The plurality of carbon nanotubes are entangled with each other to form a net structure. The present disclosure also relates to a lithium ion battery.
    Type: Application
    Filed: August 23, 2011
    Publication date: November 22, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Jia-Ping Wang, Shu Luo, Kai-Li Jiang, Shou-Shan Fan
  • Secondary battery with enhanced contact resistance
    Patent number: 9136508
    Abstract: A secondary battery is configured to reduce contact resistance by improving structures of an electrode tab and a lead. The secondary battery with enhanced contact resistance includes an electrode assembly in which a cathode plate having a cathode tab, an anode plate having an anode tab and a separator are stacked alternately, a battery case accommodating the electrode assembly, and an anode lead electrically connected to the anode tab, wherein the battery case is sealed while accommodating the electrode assembly, and the anode lead and the cathode tab are exposed out of the battery case.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: September 15, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Seong-Yong Kim, Ji-Hyun Kim, Han-Ho Lee
  • Lithium ion battery module with free floating prismatic battery cells
    Patent number: 10103367
    Abstract: Present embodiments include a lithium ion battery module having a lineup of prismatic lithium ion battery cells positioned within a cell receptacle area of a housing of the lithium ion battery module. The prismatic battery cells of the lineup are spaced apart from one another in a spaced arrangement by fixed protrusions extending from internal surfaces of the housing forming the cell receptacle area, and the fixed protrusions extend inwardly to form a plurality of discontinuous slots across a width of the cell receptacle area.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: October 16, 2018
    Assignee: Johnson Controls Technology Company
    Inventors: Richard M. DeKeuster, Robert J. Mack, Jennifer L. Czarnecki
  • Nickel-aluminum dry charge reserve battery
    Patent number: 4605604
    Abstract: A nickel-aluminum dry charge reserve battery has at least one electrode containing a nickel hydroxide containing active battery material, and at least one aluminum electrode, with a storage reservoir containing electrolyte nearby, and a means to transfer the stored electrolyte to the electrodes.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: August 12, 1986
    Assignee: Westinghouse Electric Corp.
    Inventors: William Pollack, Edward S. Buzzelli
  • Lithium secondary battery
    Publication number: 20020150819
    Abstract: A lithium secondary battery using lithium manganese oxide as a positive active material and having excellent charge and discharge cycle properties.
    Type: Application
    Filed: January 17, 2002
    Publication date: October 17, 2002
    Applicant: NGK Insulators, Ltd.
    Inventor: Michio Takahashi
  • ACTIVE MATERIAL FOR A SECONDARY BATTERY, SECONDARY BATTERY INCLUDING THE ACTIVE MATERIAL, AND METHOD OF PREPARING AN ACTIVE MATERIAL
    Publication number: 20140127578
    Abstract: An active material for a secondary battery, a secondary battery including the active material, and a method of preparing an active material, the active material including a silicon-based core; and an aluminum-based coating layer on at least a part of the silicon-based core.
    Type: Application
    Filed: February 21, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Byung-Joo CHUNG, Eon-Mi LEE, Woo-Cheol SHIN, Tae-Sik KIM, Jong-Ki LEE
  • Thin Battery
    Publication number: 20040001999
    Abstract: A thin battery is configured with improved durability of foil-like electrode terminals. The thin battery has an electricity-generating element housed inside a battery outer casing with a pair of electrodes of the electricity-generating element being connected to electrode terminals that extend out from the outer edges of the battery outer casing. The electrode terminals have a base portion located partially with the battery outer casing and a tip portion spaced from the battery outer casing with strength transition point being formed between the base portions and the tip portions. The strength transition points of the electrode terminals are positioned to the outside at some distance away from the outer edge of the battery outer casing.
    Type: Application
    Filed: June 5, 2003
    Publication date: January 1, 2004
    Applicant: Nissan Motor Co., Ltd.
    Inventor: Etsuo Oogami
  • Method for activating an alkaline rechargeable battery
    Patent number: 5840442
    Abstract: There is provided a battery activating method for an alkaline rechargeable battery, in which the capacity is not decreased even when the battery voltage is decreased by continuous load connection or self discharge. The temperature at the start of charging is set at 30.degree. to 80.degree. C. when activation is performed by charging the alkaline rechargeable battery having a nickel electrode, in which the powder of divalent cobalt compound, for example, CoO powder is contained in an active substance mixture, as a positive electrode.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: November 24, 1998
    Assignee: Furukawa Denchi Kabushiki Kaisha
    Inventor: Hidetoshi Abe
  • LITHIUM SECONDARY BATTERY AND CATHODE ACTIVE MATERIAL FOR UES IN LITHIUM SECONDARY BATTERY
    Publication number: 20010036577
    Abstract: A lithium secondary battery comprising: a cathode including, as an active material, a material that can be doped/undoped with lithium ions; an anode including, as an active material, a lithium metal, a lithium alloy or a material that can be doped/undoped with lithium ions; and a liquid or solid electrolyte,
    Type: Application
    Filed: November 24, 1997
    Publication date: November 1, 2001
    Inventors: KENJI NAKANE, YASUNORI NISHIDA, KENICHIRO KAMI
  • Sintered nickel electrode for alkaline storage battery, method of forming the same, and alkaline storage battery
    Patent number: 6946222
    Abstract: In a sintered nickel electrode for alkaline storage battery formed by filling nickel hydroxide as an active material into a porous sintered substrate and an alkaline storage battery using as its positive electrode the sintered nickel electrode for alkaline storage battery, tungstic acid is adhered to a surface of said nickel hydroxide as an active material.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: September 20, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yuki Morikawa, Takeshi Ogasawara, Mitsunori Tokuda, Mutsumi Yano, Shin Fujitani