Search Patents
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 6391493
    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: April 23, 1999
    Date of Patent: May 21, 2002
    Assignee: The University of Texas Systems
    Inventors: John B. Goodenough, Akshaya K. Pahdi, K. S. Nanjundaswamy, Christian Masquelier
  • Gel formed battery
    Patent number: 8735001
    Abstract: A gel battery may be fabricated from a gel anode material and a gel cathode material. The battery may further comprise a gel electrolyte material. The gel materials may be in the form of thin films. A gel battery may be formed by contacting at least a portion of a gel anode with at least a portion of a gel electrolyte, and at least a portion of a gel cathode may also be in contact with at least a portion of the gel electrolyte. A battery formed by gel films may also be coated with a material. The gel battery, its anode, cathode, and electrolyte materials may all be non-toxic for an application to an animal.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: May 27, 2014
    Assignee: Empire Technology Development LLC
    Inventor: Glenn Godden
  • High performance batteries with carbon nanomaterials and ionic liquids
    Patent number: 8236446
    Abstract: The present invention is directed to lithium-ion batteries in general and more particularly to lithium-ion batteries based on aligned graphene ribbon anodes, V2O5 graphene ribbon composite cathodes, and ionic liquid electrolytes. The lithium-ion batteries have excellent performance metrics of cell voltages, energy densities, and power densities.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: August 7, 2012
    Assignee: ADA Technologies, Inc.
    Inventor: Wen Lu
  • Primary alkaline battery including nickel oxyhydroxide
    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
  • ELECTRODE AND BATTERY HAVING THE SAME
    Publication number: 20110008677
    Abstract: Disclosed are an electrode and a battery comprising the electrode. The electrode comprises a nano composite comprising nano particles capable of being oxidized and reduced and a carbonaceous material covering the nano particles.
    Type: Application
    Filed: March 18, 2009
    Publication date: January 13, 2011
    Inventors: Kenji Nakane, Takeshi Hattori, Taketsugu Yamamoto
  • Solid electrolyte battery
    Patent number: 7282299
    Abstract: A solid electrolyte battery includes a cathode having a cathode active material and a solid electrolyte and an anode. The solid electrolyte includes a first polymer having a binding force and a second polymer composed of alkali metal ion conducting polymers. Thus, the solid electrolyte battery has a high capacity and is excellent in its battery characteristics.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: October 16, 2007
    Assignee: Sony Corporation
    Inventors: Kazuhiro Noda, Toshikazu Yasuda, Takeshi Horie
  • NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20090087748
    Abstract: A negative active material of a negative electrode of a rechargeable lithium battery, the negative active material including a metallic active material core and a polymer, having a tensile strength of at least 40 MPa, coated on particles of the metallic active material. The polymer controls the volumetric expansion of the negative active material and enhances the cycle-life characteristics of the battery.
    Type: Application
    Filed: October 1, 2008
    Publication date: April 2, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon CHOI, Jee-Woen Lee, Kyoung-Han Yew, Sung-Soo Kim
  • Cathode materials for secondary (rechargeable) lithium batteries
    Patent number: 8785043
    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: October 4, 2012
    Date of Patent: July 22, 2014
    Assignee: Hydro-Quebec
    Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
  • Anode composition for lithium battery, and anode and lithium battery using the same
    Patent number: 7459235
    Abstract: Provided are an anode composition for a lithium battery, and an anode and a lithium battery using the same. The anode composition can improve anode and battery characteristics while using water as a solvent that is harmless to humans. The anode composition includes an anode active material, a synthetic rubber binder, a cellulose-based dispersing agent, and a water-soluble anionic polyelectrolyte.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: December 2, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Min Choi, Kyung-Ho Kim, Ungyu Paik
  • 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
  • Negative electrode for a lithium battery, method of manufacturing the same, and lithium battery including the negative electrode
    Publication number: 20110081576
    Abstract: A negative electrode for a lithium battery, a method of manufacturing the same, and a lithium battery including the negative electrode, the negative electrode including a collector; and an active material layer, wherein the active material layer includes an indium tin oxide material capable of intercalation and deintercalation of lithium ions.
    Type: Application
    Filed: August 11, 2010
    Publication date: April 7, 2011
    Inventors: Gu-Hyun Chung, Jae-Myung Kim, Kyu-Nam Joo, So-Ra Lee, Jong-Hee Lee, Young-Su Kim, Deok-Hyun Kim
  • Composition for electrode of nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery using the same and nonaqueous electrolyte secondary battery
    Patent number: 8603674
    Abstract: A composition for an electrode of a nonaqueous electrolyte secondary battery contains an active material and a binder resin. The composition contains a vinylpyrrolidone-based polymer as the binder resin. The hydroxyl group equivalent of the vinylpyrrolidone-based polymer is within the range of 250 to 2500.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: December 10, 2013
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi, Kazunari Yasumura, Kunihiro Iwai, Daisuke Imai
  • 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
  • Binder for a lithium-sulfur battery, positive active material composition comprising same and lithium-sulfur battery using same
    Publication number: 20040009399
    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: Application
    Filed: July 9, 2003
    Publication date: January 15, 2004
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Seok Kim, Yongju Jung, Ji-Seong Han, Jan-Dee Kim
  • Battery with chlorophyll electrode
    Patent number: 8728639
    Abstract: An exemplary battery is provided in the present invention. The battery comprises a carbon rod, a positive-electrode structure, a separation structure, a negative-electrode structure and a housing. The positive-electrode structure, the separation structure, the negative-electrode structure and the housing encircle the carbon rod in sequence. At least one of the positive-electrode structure and the negative-electrode structure contains chlorophyll. The battery of the present invention stores hydrogen by the chlorophyll to generate electricity. Thus, not only is the manufacturing process of the battery simple, and economical, but also natural, non-toxic substances are employed, unlike the conventional batteries, the battery of the present invention will not cause environmental pollution even when discarding after being used.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 20, 2014
    Assignee: iNNOT BioEnergy Holding Co.
    Inventor: Chungpin Liao
  • Coin type battery
    Patent number: 10103361
    Abstract: A coin type battery includes a battery case, a sealing plate, and a power generation element sealed by the battery case and the sealing plate. At least one of the battery case and the sealing plate is made of a cladding material that includes: a surface layer disposed on the outer surface side; an intermediate layer disposed on the inner surface side of the surface layer; and a substrate layer disposed on the inner surface side of the intermediate layer. The surface layer is made of nickel, and the intermediate layer contains titanium.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: October 16, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tadayoshi Takahashi, Tomohiro Yagishita
  • CONDUCTIVE AGENT, POSITIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT, AND LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT
    Publication number: 20110269015
    Abstract: A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent.
    Type: Application
    Filed: January 28, 2011
    Publication date: November 3, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Chae-Woong CHO, Woon-Suk Jang, Bum-Jin Chang, Ki-Jun Kim, Kwi-Seok Choi
  • 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
  • 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
  • Battery with chlorophyll electrode
    Patent number: 8753759
    Abstract: An exemplary battery is provided in the present invention. The battery includes a current collector, a positive-electrode structure, a separation structure, a negative-electrode structure and a housing. The positive-electrode structure, the separation structure, the negative-electrode structure are encircled in sequence inside of the housing. At least one of the negative-electrode structure and the positive-electrode structure comprises chlorophyll. The battery of the present invention could store hydrogen by the chlorophyll of the positive-electrode structure and/or the negative-electrode structure to generate electricity.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: June 17, 2014
    Assignee: iNNOT BioEnergy Holding Co.
    Inventor: Chungpin Liao