Search Patents
  • 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
  • Publication number: 20030124426
    Abstract: It is intended to provide a nonaqueous electrolyte battery that satisfies both of a large discharge capacity and a superior cycle life characteristic by developing a novel negative electrode material.
    Type: Application
    Filed: December 27, 2002
    Publication date: July 3, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroki Inagaki, Norio Takami, Tatsuoki Kohno, Tomokazu Morita
  • Publication number: 20020182496
    Abstract: In a nickel-metal hydride rechargeable battery comprising a positive electrode of nickel hydroxide and a negative electrode of hydrogen-absorption alloy, prolonged battery lite is achieved by limiting the charge and discharge operations to be performed in the range of 20-60% of the hydrogen-absorption capacity of the hydrogen-absorption alloy.
    Type: Application
    Filed: April 8, 2002
    Publication date: December 5, 2002
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Nobuyasu Morishita, Shinichiro Ito, Hajime Seri
  • Publication number: 20030082454
    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: December 2, 2002
    Publication date: May 1, 2003
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Publication number: 20110129733
    Abstract: A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 2, 2011
    Applicant: Samsung SDI Co., Ltd
    Inventors: Beom-Kwon Kim, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, So-Ra Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung
  • Publication number: 20120231351
    Abstract: A positive active material for a rechargeable lithium battery including a lithium-nickel cobalt manganese composite metal oxide; and 0.18 to 0.25 wt % of sulfur is provided.
    Type: Application
    Filed: September 23, 2011
    Publication date: September 13, 2012
    Inventors: Suk-Chul Jung, Young-Chul You, Hak-Seok Kang, Heung-Min Oh, Young-Hoon Do, Tae-Jin Jung
  • 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
  • Patent number: 6492062
    Abstract: An alkaline battery has a cathode including a nickel oxyhydroxide.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: December 10, 2002
    Assignee: The Gillette Company
    Inventors: Francis Wang, Enoch Wang, Philip Trainer, Guang Wei
  • 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
  • Publication number: 20130029223
    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 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: October 4, 2012
    Publication date: January 31, 2013
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Publication number: 20010024751
    Abstract: A alkaline storage battery using positive electrodes comprising an active material containing nickel hydroxide particles and a rare earth element or a compound thereof containing or mixed with 0.1-100 ppm of Fe or an Fe compound based on the rare earth element or the compound thereof is provided.
    Type: Application
    Filed: February 28, 2001
    Publication date: September 27, 2001
    Inventors: Tatsuhiko Suzuki, Yoshitaka Dansui, Hideki Kasahara, Kohji Yuasa
  • Patent number: 4105832
    Abstract: A pasted or pressed plate for an electrolytic cell or battery having an electrically conductive, perforated substrate with embossed major surfaces.
    Type: Grant
    Filed: August 16, 1977
    Date of Patent: August 8, 1978
    Assignee: General Electric Company
    Inventor: Raymond K. Sugalski
  • Publication number: 20010003632
    Abstract: A positive electrode material for a lithium secondary battery includes a lithium manganese oxide having a spinel structure, expressed by one of the general formulae; LixMnyO4
    Type: Application
    Filed: December 7, 2000
    Publication date: June 14, 2001
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Masataka Wakihara, Yuji Tanjo
  • Publication number: 20110151322
    Abstract: A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 23, 2011
    Inventors: Kyu-Nam Joo, Beom-Kwon Kim, Jong-Hee Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, So-Ra Lee, Jae-Myung Kim
  • Publication number: 20010008729
    Abstract: In a positive electrode active material for alkaline storage batteries according to the present invention, a surface of a nickel hydroxide is coated with a mixed crystal material of at least one type of element selected from aluminum Al, manganese Mn, iron Fe, yttrium Y, ytterbium Yb, erbium Er, and gadolinium Gd and cobalt, the valence of nickel in the nickel hydroxide is in the range of 2.0 to 2.3, and the valence of cobalt in the mixed crystal material exceeds 3.0. The positive electrode active material for alkaline storage batteries is used for a positive electrode for alkaline storage batteries, and the positive electrode for alkaline storage batteries is further used for an alkaline storage battery.
    Type: Application
    Filed: December 26, 2000
    Publication date: July 19, 2001
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Takeshi Ogasawara, Mitsunori Tokuda, Nobuyuki Higashiyama, Yasuhiko Itoh
  • Publication number: 20130337327
    Abstract: The present invention relates to a cathode active material for a lithium secondary battery comprising: a core including a compound represented by chemical formula 1, and a shell including a compound represented by chemical formula 2, wherein the material composition of the core and the material composition of the shell are different; and a lithium secondary battery including the cathode active material for a lithium secondary battery.
    Type: Application
    Filed: November 17, 2011
    Publication date: December 19, 2013
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Yang-Kook Sun, Won-Gi Kim, Seung-Min Oh
  • Publication number: 20120177974
    Abstract: A non-aqueous electrolyte battery according to the present invention is a non-aqueous electrolyte battery including a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte, wherein aluminum silicate or a derivative thereof is contained in a location that can come into contact with the non-aqueous electrolyte in the battery. In the non-aqueous electrolyte battery, it is preferable that at least one of the separator, the positive electrode, the negative electrode and the non-aqueous electrolyte contains aluminum silicate or a derivative thereof.
    Type: Application
    Filed: October 21, 2011
    Publication date: July 12, 2012
    Inventors: Hiroshi NAKAJIMA, Hideaki Katayama, Yuki Takei
  • Publication number: 20040209166
    Abstract: A nickel-hydrogen secondary battery comprises a positive electrode (10) and a negative electrode (12) opposite each other with a separator (18) between, and contained in a container (14) with an alkaline electrolyte.
    Type: Application
    Filed: November 25, 2003
    Publication date: October 21, 2004
    Inventor: Masaru Kihara
  • Patent number: 9203086
    Abstract: A thermally managed Li-ion battery assembly including an anode and a cathode, wherein at least one of the anode and the cathode includes a thermocrystal metamaterial structure.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: December 1, 2015
    Assignee: The Boeing Company
    Inventors: Nicholas Koumvakalis, Jeffrey H. Hunt
  • Patent number: 8221917
    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: Grant
    Filed: November 5, 2009
    Date of Patent: July 17, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dai-Hoe Lee, Takaya Saito, Hyun-Ki Jung, Min-Hee Kim