Search Patents
  • NANOCOMPOSITE CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME
    Publication number: 20140099552
    Abstract: The present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery including same. More particularly, the present disclosure relates to a nanocomposite cathode active material for a lithium secondary battery including: a core including LiMn2O4; and LiMn(PO3)3 distributed on the surface of the core. In accordance with the present disclosure, the time and cost for manufacturing a lithium secondary battery can be reduced and the manufactured lithium secondary battery has superior electrochemical properties.
    Type: Application
    Filed: January 10, 2013
    Publication date: April 10, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
  • MEMS volumetric Li/ion battery for space, air and terrestrial applications
    Publication number: 20040191626
    Abstract: A MEMS volumetric lithium-ion battery formed using a soft lithography technique. The battery includes a reduced footprint area with a corresponding increase in capacity by exploiting the Z dimension through increased volume, while utilizing a chemistry capable of one Joule per cubic millimeter. The battery may be manufactured to cell sizes of one millimeter and cell volumes of one cubic millimeter. The battery can be formed into battery banks, electrically connected in series and parallel, and integrated into a system-on-a-chip. The battery may also be implemented for on-board applications and is suitable for space, air, and terrestrial applications, and in particular, for providing a MEMS volumetric battery.
    Type: Application
    Filed: March 27, 2003
    Publication date: September 30, 2004
    Inventors: David H. Lewis, John J. Waypa
  • Positive active material composition for rechargeable battery, electrode including the same, and rechargeable battery including the same
    Publication number: 20100119943
    Abstract: A positive active material composition for a rechargeable battery, a positive electrode including the same, and a rechargeable battery including the same, the positive active material composition including a positive active material and a surface-modified metal oxide.
    Type: Application
    Filed: November 5, 2009
    Publication date: May 13, 2010
    Inventors: Dai-Hoe Lee, Takaya Saito, Hyun-Ki Jung, Min-Hee Kim
  • 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
  • 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
  • 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
  • Battery cathode active material, method for producing electrolytic manganese dioxide, and battery
    Publication number: 20040009400
    Abstract: The present invention provides a battery cathode active material formed of electrolytic manganese dioxide which has a large specific area and a high electric potential and can enhance battery characteristics such as high-rate characteristics and high-rate pulse characteristics when used as a battery cathode active material. The invention also provides a method for producing electrolytic manganese dioxide and a battery employing the cathode active material. The battery cathode active material is formed of electrolytic manganese dioxide containing a sulfate group in an amount of 1.3 to 1.6 wt. %.
    Type: Application
    Filed: May 13, 2003
    Publication date: January 15, 2004
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Munetoshi Yamaguchi, Yasuhiro Ochi, Tsuyoshi Nagaishi, Naoki Kumada, Takeshi Asanuma, Shigeo Hirayama
  • Positive electrode active material for a nonaqueous electrolyte secondary battery
    Publication number: 20040013941
    Abstract: Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery having at least a lithium-transition metal composite oxide of the spinel structure,
    Type: Application
    Filed: May 19, 2003
    Publication date: January 22, 2004
    Applicant: Nichia Corporation
    Inventors: Kenichi Kobayashi, Yoko Nakano
  • Lithium primary battery
    Publication number: 20030138700
    Abstract: A lithium primary battery contains a positive electrode and a negative electrode, wherein the positive electrode comprises manganese dioxide containing boron and phosphorus and the negative electrode comprises lithium or lithium alloy.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 24, 2003
    Inventors: Seiji Yoshimura, Takashi Okamoto, Maruo Kamino
  • Battery including aluminum components
    Patent number: 7279250
    Abstract: A primary lithium battery can include a current collector that includes aluminum, a cap that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical resistance.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: October 9, 2007
    Assignee: The Gillette Company
    Inventors: Fred J. Berkowitz, Nikolai N. Issaev, Michael Pozin
  • 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
  • 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
  • Battery cathodes
    Patent number: 8137842
    Abstract: Batteries and methods of making batteries are disclosed. In some embodiments, a method of making a battery can include contacting a manganese oxide with lithium hydroxide and lithium bromide and/or lithium chloride, and incorporating the manganese oxide into a cathode of the battery.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: March 20, 2012
    Assignee: The Gillette Company
    Inventors: Todd E. Bofinger, William L. Bowden, George Cintra, Kirakodu S. Nanjundaswamy, Rimma A. Sirotina, Dana Alexa Totir, Fan Zhang
  • Positive electrode material formed by a lamellar-type oxide for a lithium battery
    Patent number: 8323532
    Abstract: A lamellar-type oxide, in particular used as active material of a positive electrode for a lithium battery and to a method for synthesizing such an oxide. The oxides are used as active materials for the positive electrode of a lithium battery. With such oxides, the specific capacity of a lithium battery is improved and stabilized on cycling.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: December 4, 2012
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Sébastien Patoux, Carole Bourbon
  • Non-aqueous electrolytic solution and secondary battery containing same
    Publication number: 20020025477
    Abstract: A non-aqueous electrolytic solution capable of depressing deterioration of battery properties in a high temperature environment is provided. A secondary battery is also provided. The non-aqueous electrolytic solution containing at least an organic solvent and a lithium salt further contains a particular pyridine compound.
    Type: Application
    Filed: July 13, 2001
    Publication date: February 28, 2002
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Hiroaki Itagaki, Chikara Kiyohara
  • Negative active material composition for a rechargeable lithium battery, method of producing a negative electrode for a rechargeable lithium battery using the same, and rechargeable lithium battery fabricated using the same
    Publication number: 20030170534
    Abstract: Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material composition includes a negative active material, an additive capable of forming a surface electrolyte interface film on a negative electrode during charge and discharge, a binder, and an organic solvent.
    Type: Application
    Filed: February 21, 2003
    Publication date: September 11, 2003
    Inventors: Chang-Seob Kim, Ju-Hyung Kim, Un-Sick Park
  • Lithium-ion batteries and methods of operating the same
    Publication number: 20100171466
    Abstract: The methods and devices described herein generally relate to lithium-ion batteries, methods of preparing, and methods of operating such batteries. The lithium-ion batteries described herein have an improved cycle life. In one exemplary variation, the lithium-ion battery includes an anode including carbon-coated Li4Ti5O12 particles and a cathode including LiMn2O4 particles, and the cathode capacity is larger than the anode capacity.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 8, 2010
    Inventors: Timothy Spitler, Ching-Chung Huang, Du Pasquler Aurelien
  • Lithium battery with separator stored lithium
    Publication number: 20020122986
    Abstract: A lithium battery having a separator capable of storing excess lithium ions. As lithium ions are irreversibly adsorbed by the battery electrodes, they are replenished from the excess lithium stored in the separator material, thereby extending battery life. In an example of the present invention, molecular sieves, such as 13X molecular sieves, are used as the separator material. Molecular sieves are hydroscopic and therefore also react with moisture in the battery, thereby reducing cell impedance.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 5, 2002
    Inventors: William J. Labarge, Daniel G. Young
  • ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20150064556
    Abstract: An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material.
    Type: Application
    Filed: January 17, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin-Hyon LEE, Ju-Hee SOHN, Jung-Yeon WON, Eun-Young GOH, Jong-Ki LEE, Sang-In PARK
  • Rechargeable lithium battery having improved reversible capacity
    Patent number: 5721067
    Abstract: An improved rechargeable lithium battery is described comprising a transition metal compound as cathode active material and carbonaceous particles as anode active material, having prior intercalated lithium ions in the carbonaceous particles in the anode of the assembled lithium battery, thereby reducing the weight of the cathode active material required. The rechargeable lithium battery has increased energy density per unit weight and per unit volume.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: February 24, 1998
    Inventors: James K. Jacobs, Sankar Dasgupta