Search Patents
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 8067117
    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: Grant
    Filed: November 23, 2010
    Date of Patent: November 29, 2011
    Assignee: Hydro-Québec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Tin-zinc secondary battery
    Patent number: 7550231
    Abstract: A rechargeable battery is provided with a positive electrode of tin, a negative electrode of zinc and an alkaline electrolyte. Upon charging, some tin is converted to stannic oxide, and zinc oxide is reduced to zinc. When the battery is discharged, stannic oxide is reduced to stannous oxide and zinc is oxidized to zinc oxide.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: June 23, 2009
    Inventor: John E. Stauffer
  • Distributed cell formation systems for lithium containing secondary batteries
    Patent number: 11616258
    Abstract: A cell formation system for lithium containing secondary batteries includes a population of formation clusters, each formation cluster includes a connector configured for connecting to a lithium containing secondary battery, a charging module connected to the connector and configured to charge the battery, a pre-lithiation module connected to the connector and configured to diffuse lithium to electrode active material layers of the battery, a discharging module connected to the connector and configured to discharge the battery, and a communication interface for communicatively coupling the formation cluster to a central controller.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: March 28, 2023
    Assignee: Enovix Corporation
    Inventor: Ross M. Fosler
  • Binder for a lithium-sulfur battery, positive active material composition comprising same and lithium-sulfur battery using same
    Patent number: 7179563
    Abstract: Disclosed is a binder for a lithium-sulfur battery including a butadiene-based copolymer. The binder exhibits chemical resistance to polysulfides, is stable a battery working temperatures, forms an emulsion in organic solvents and exhibits high adherence to positive active materials and electrodes used in the lithium-sulfur battery. The disclosed binder compositions, due to their high adherence to positive active materials allow for higher relative amounts of positive active materials to be used in the battery resulting in a high capacity lithium-sulfur battery.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: February 20, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seok Kim, Yongju Jung, Ji-Seong Han, Jan-Dee Kim
  • RECHARGEABLE BATTERIES
    Publication number: 20020064710
    Abstract: A highly reliable rechargeable battery comprising an anode, a separator, a cathode, an electrolyte or an electrolyte solution, and a housing, characterized in that said anode is structured to have a size which is greater than that of said cathode. The rechargeable battery provides an increased energy density and has a prolonged charging and discharging cycle life, in which a dendrite causing a reduction in the battery performance, which is generated upon operating charging in the conventional rechargeable battery, is effectively prevented from generating or from growing in the case where it should be generated.
    Type: Application
    Filed: May 30, 1995
    Publication date: May 30, 2002
    Inventors: SOICHIRO KAWAKAMI, SHINYA MISHINA, NAOYA KOBAYASHI, MASAYA ASAO
  • Nonaqueous electrolyte secondary battery
    Publication number: 20040170895
    Abstract: A nonaqueous electrolyte secondary battery including positive and negative electrodes capable of occluding and releasing lithium and a nonaqueous electrolyte and in which the negative electrode includes a foamed metal containing silicon as an active material therein.
    Type: Application
    Filed: February 26, 2004
    Publication date: September 2, 2004
    Inventors: Masanobu Takeuchi, Seiji Yoshimura
  • ANODE AND BATTERY
    Publication number: 20090004568
    Abstract: A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode current collector, an anode active material layer provided on the anode current collector, and a coat provided on the anode active material layer, in which the coat contains a fluorine resin having an ether bond.
    Type: Application
    Filed: May 27, 2008
    Publication date: January 1, 2009
    Applicant: SONY CORPORATION
    Inventors: Takakazu Hirose, Hideki Nakai, Momoe Adachi, Hiroyuki Yamaguchi, Kenichi Kawase, Tadahiko Kubota
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 7972728
    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-olivineor 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: Grant
    Filed: August 20, 2010
    Date of Patent: July 5, 2011
    Assignee: Hydro-Quebec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakadu S. Nanjundaswamy, Christian Masquelier
  • LITHIUM ION SECONDARY BATTERY AND BATTERY SYSTEM
    Publication number: 20120034526
    Abstract: This lithium ion secondary battery includes a cathode (3) including multiple oxide containing lithium as a cathode active material and Li2MnSiO4 which is different from the cathode active material and which is mixed or blended into the cathode active material as a doping material of lithium ions, and an anode (2).
    Type: Application
    Filed: March 31, 2009
    Publication date: February 9, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Tomoyoshi Kurahashi
  • Anode for secondary battery and secondary battery therewith
    Patent number: 6890685
    Abstract: This invention relates to an anode for a secondary battery capable of occluding and releasing lithium ions, the anode having a multi-layer structure comprising: a first layer containing carbon as a main component; and a second layer as a main component containing a lithium-occluding material film, the film capable of occluding lithium more than a theoretical lithium-occlusion capacity for carbon, as well as a secondary battery using the anode. This invention can provide a secondary battery with a substantially improved battery capacity in a range where the battery is actually used, while having a higher charge-discharge efficiency and good cycle properties.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: May 10, 2005
    Assignee: NEC Corporation
    Inventors: Hironori Yamamoto, Jiro Iriyama, Tamaki Miura, Mitsuhiro Mori, Koji Utsugi
  • Anode material for secondary battery, anode for secondary battery and secondary battery therewith
    Patent number: 8377591
    Abstract: An objective of this invention is to provide an anode material for a secondary battery for forming a secondary battery exhibiting a higher initial charge/discharge efficiency, a higher energy density and excellent cycle properties; an anode for a secondary battery; and a secondary battery therewith. An anode material for a secondary battery according to this invention comprises an Si oxide and at least one noble metal. Furthermore, the anode material for a secondary battery of this invention preferably contains lithium metal. Alternatively, an anode material for a secondary battery of this invention may comprise a lithium silicate and at least one noble metal. An anode comprising the anode material for a secondary battery of this invention comprises an activator layer being film-structure or particulate.
    Type: Grant
    Filed: December 24, 2004
    Date of Patent: February 19, 2013
    Assignee: NEC Corporation
    Inventors: Mariko Miyachi, Hironori Yamamoto
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 7964308
    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-olivineor 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: Grant
    Filed: September 8, 2010
    Date of Patent: June 21, 2011
    Assignee: Hydro-Quebec
    Inventors: John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Primary alkaline battery containing bismuth metal oxide
    Publication number: 20080008937
    Abstract: Primary alkaline batteries containing pentavalent bismuth metal oxides are disclosed.
    Type: Application
    Filed: July 10, 2006
    Publication date: January 10, 2008
    Inventors: Cahit Eylem, Paul A. Christian, Yichun Wang, Joseph E. Sunstrom, In Tae Bae
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 7998617
    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-olivineor 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: Grant
    Filed: December 29, 2006
    Date of Patent: August 16, 2011
    Assignee: Hydro-Québec
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Nanocomposite cathode active material for lithium secondary batteries, method for preparing the same and lithium secondary batteries comprising the same
    Patent number: 8889297
    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: Grant
    Filed: January 10, 2013
    Date of Patent: November 18, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Kyung Yoon Chung, Dieky Susanto, Won Young Chang, Byung Won Cho
  • Carbon coated battery electrodes
    Patent number: 7105252
    Abstract: A method for forming a corrosion resistant electrode for a battery includes supplying an electrode for use in the battery and exposing the electrode to an environment including vaporized carbon. At least some of the carbon from the environment may be transferred to the electrode.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: September 12, 2006
    Assignee: Firefly Energy, Inc.
    Inventors: Kurtis C. Kelley, Steven C. Taylor
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 7955733
    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-olivineor 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: Grant
    Filed: August 20, 2010
    Date of Patent: June 7, 2011
    Assignee: Hydro-Quebec
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Positive electrode for lithium-sulfur battery and lithium-sulfur battery comprising same
    Publication number: 20040101753
    Abstract: Disclosed is a positive electrode for a lithium-sulfur battery including a positive active material selected from elemental sulfur (S8), a sulfur-based compound and mixtures thereof; a conductive material; a binder; and an inorganic additive with a particle size D (v, 50%) of 5,000 nm or less and having insolubility to an electrolyte.
    Type: Application
    Filed: November 21, 2003
    Publication date: May 27, 2004
    Inventor: Duck-Chul Hwang
  • Battery separator
    Patent number: 8048556
    Abstract: A battery includes a separator with a trapping layer that traps dissolved metal ions.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: November 1, 2011
    Assignee: The Gillette Company
    Inventors: Stuart M. Davis, Jonathan M. Boulton, Cahit Eylem, Ou Mao
  • Electrolyte for lithium ion rechargeable battery and lithium ion rechargeable battery including the same
    Patent number: RE43724
    Abstract: The present invention is an electrolyte for a lithium ion rechargeable battery and a lithium ion rechargeable battery that includes the same. More particularly, the present invention discloses an electrolyte for a lithium ion rechargeable battery that provides excellent cycle life characteristics and high-temperatures storage stability and prevents a drop in discharge capacity of a battery at low temperature, and a lithium ion rechargeable battery including the same. The lithium ion rechargeable battery including the electrolyte provides improved cycle life characteristics and prevents the problems of a drop in discharge capacity at low temperature and high-temperature swelling through the formation of a stable SEI film at the initial charge cycle.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 9, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Hee Kim, Jin Sung Kim, Yong Shik Kim