Patents Examined by Haidung Nguyen
  • Patent number: 8808576
    Abstract: The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1bV2-cM2c(PO4)x??(I) wherein M1, M2, a, b, c and x have the following meanings: M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is >0, to a compound according to general formula (I) as defined above, to spherical agglomerates and/or particles comprising at least one compound of general formula (I) as defined above, to the use of such a compound for the preparation of a cathode of a lithium ion battery or an electrochemical cell, and to a cathode for a lithium ion battery, comprising at least one compound as defined above.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: August 19, 2014
    Assignee: BASF SE
    Inventors: Hartmut Hibst, Brian Roberts, Jordan Keith Lampert, Kirill Bramnik
  • Patent number: 8808575
    Abstract: The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1bV2-cM2c(PO4)x??(I) wherein M1, M2, a, b, c and x have the following meanings: M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is >0, to a compound according to general formula (I) as defined above, to spherical agglomerates and/or particles comprising at least one compound of general formula (I) as defined above, to the use of such a compound for the preparation of a cathode of a lithium ion battery or an electrochemical cell, and to a cathode for a lithium ion battery, comprising at least one compound as defined above.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: August 19, 2014
    Assignee: BASF SE
    Inventors: Hartmut Hibst, Brian Roberts, Jordan Keith Lampert, Kirill Bramnik
  • Patent number: 8802970
    Abstract: Formulations and methods of making solar cell contacts and cells therewith are disclosed. The invention provides a photovoltaic cell comprising a front contact, a back contact, and a rear contact. The back contact comprises, prior to firing, a passivating layer onto which is applied a paste, comprising aluminum, a glass component, wherein the aluminum paste comprises, aluminum, another optional metal, a glass component, and a vehicle. The back contact comprises, prior to firing, a passivating layer onto which is applied an aluminum paste, wherein the aluminum paste comprises aluminum, a glass component, and a vehicle.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 12, 2014
    Assignee: Heraeus Precious Metals North America Conshohocken LLC
    Inventors: Nazarali Merchant, Aziz S. Shaikh, Srinivasan Sridharan
  • Patent number: 8801975
    Abstract: An electrical device having therein a dielectric fluid composition, wherein the dielectric fluid composition includes at least one refined, bleached and deodorized vegetable oil and at least one antioxidant, wherein the dielectric fluid composition has a pour point of less than about ?20° C. as measured according to either of ASTM D97 or ASTM D5950.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 12, 2014
    Assignee: Cooper Industries, LLC
    Inventors: Kevin J. Rapp, Charles Patrick McShane, Gary A. Gauger, Arthur W. Lemm
  • Patent number: 8795557
    Abstract: Disclosed herein is a flame resistant composition comprising a compatibilized blend of a polyphthalamide and a poly(arylene ether); and a phosphinate, wherein the composition is substantially free of linear aliphatic polyamides.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: August 5, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventor: Mark Elkovitch
  • Patent number: 8790832
    Abstract: Provided is a lithium transition metal oxide having an ?-NaFeO2 layered crystal structure, as a cathode active material for lithium secondary battery, wherein the transition metal includes a blend of Ni and Mn, an average oxidation number of the transition metals except lithium is +3 or higher, and the lithium transition metal oxide satisfies Equations 1 and 2: 1.0<m(Ni)/m(Mn)??(1) m(Ni2+)/m(Mn4+)<1??(2) wherein m(Ni)/m(Mn) represents a molar ratio of nickel to manganese and m(Ni2+)/m(Mn4+) represents a molar ratio of Ni2+ to Mn4+. The cathode active material of the present invention has a uniform and stable layered structure through control of oxidation number of transition metals to a level higher than +3, in contrast to conventional cathode active materials, thus advantageously exerting improved overall electrochemical properties including electric capacity, in particular, superior high-rate charge/discharge characteristics.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: July 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Kyun Chang, Hong-Kyu Park, Sinyoung Park, Hyo-shik Kil, Hera Lee
  • Patent number: 8790552
    Abstract: A highly conductive wet coating composition including a molten salt and a highly conductive thin film prepared therefrom is provided. The highly conductive wet coating composition can be coated at room temperature and the thin film prepared therefrom has a good thin film characteristic and high conductivity.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: July 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Jin Park, Jae-Hwan Kim
  • Patent number: 8771555
    Abstract: An ink composition for forming a chalcogenide semiconductor film and a method for forming the same are disclosed. The ink composition includes a solvent, a plurality of metal chalcogenide nanoparticles and at least one selected from the group consisted of metal ions and metal complex ions. The metal ions and/or complex ions are distributed on the surface of the metal chalcogenide nanoparticles and adapted to disperse the metal chalcogenide nanoparticles in the solvent. The metals of the metal chalcogenide nanoparticles, the metal ions and the metal complex ions are selected from a group consisted of group I, group II, group III and group IV elements of periodic table and include all metal elements of a chalcogenide semiconductor material.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: July 8, 2014
    Assignee: Neo Solar Power Corp.
    Inventors: Yueh-Chun Liao, Feng-Yu Yang, Ching Ting
  • Patent number: 8758939
    Abstract: Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the Si-metal alloy of the crystalline phase is the same as or different from the metal of the Si-metal alloy of the amorphous phase.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: June 24, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Ki Tae Kim, Je-Young Kim, Dong-Sub Jung, Seung Tae Hong, Young Sun Choi
  • Patent number: 8754320
    Abstract: A composite material with tailored anisotropic electrical and thermal conductivities is described. A material consists of a matrix material containing inclusions with anisotropic geometrical shapes. The inclusions are arranged in layers oriented perpendicular to the principal direction of electrical and thermal energy flow in the material. The shapes of the inclusions are such that they represent strong or weak barriers to energy flow depending on whether the major axis of the inclusions are parallel to or antiparallel to the flow direction.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: June 17, 2014
    Assignee: United Technologies Corporation
    Inventor: Joseph V. Mantese
  • Patent number: 8747800
    Abstract: A carbon raw material such as a green coke in which loss on heat when it is heated from 300 to 1200° C. under an inert atmosphere is no less than 5% by mass and no more than 20% by mass is pulverized and then the pulverized carbon raw material is graphitized to obtain a graphite material suitable for a carbon material for anode in a lithium-ion secondary battery or the like that enables to make electrodes having a high-energy density and a large-current load characteristic since it has a small specific surface area and a small average particle diameter while maintaining high beginning efficiency and a high discharge capacity in the first round of charging and discharging. And an electrode for batteries are obtained using the graphite material.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: June 10, 2014
    Assignee: Show A Denko K.K.
    Inventors: Akinori Sudoh, Masataka Takeuchi
  • Patent number: 8747551
    Abstract: After adding phosphorus (P) and germanium (Ge) into a silicon melt or adding phosphorus into a silicon/germanium melt, a silicon monocrystal is grown from the silicon melt by a Czochralski method, where a phosphorus concentration [P]L(atoms/cm3) in the silicon melt, a Ge concentration in the silicon monocrystal, an average temperature gradient Gave (K/mm) and a pull speed V (mm/min) are controlled to satisfy a formula (1) as follows, a phosphorus concentration [P](atoms/cm3) and the Ge concentration [Ge](atoms/cm3) in the silicon monocrystal satisfy a relationship according to a formula (2) as follows while growing the silicon monocrystal, where dSi(?) represents a lattice constant of silicon, rSi(?) represents a covalent radius of silicon, rP(?) represents a covalent radius of phosphorus, and rGe(?) represents a covalent radius of Ge: [ P ] L + ( 0.3151 × [ Ge ] + 3.806 × 10 18 ) / 1.5 < 0.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: June 10, 2014
    Assignee: Sumco Techxiv Corporation
    Inventors: Shinichi Kawazoe, Yasuhito Narushima, Toshimichi Kubota, Fukuo Ogawa
  • Patent number: 8747630
    Abstract: Transparent conducting oxides and production thereof are disclosed. An exemplary method of producing a transparent conducting oxide (TCO) material may comprise: providing a TCO target doped with either a high-permittivity oxide or a low-permittivity oxide in a process chamber. The method may also comprise depositing a metal oxide on the target in the process chamber to form a thin film having enhanced optical properties without substantially decreasing electrical quality.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: June 10, 2014
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Timothy A. Gessert, Yuki Yoshida, Timothy J. Coutts
  • Patent number: 8741177
    Abstract: A method for producing aqueous compatible semiconductor nanoparticles includes binding pre-modified ligands to nanoparticles without the need for further post-binding modification to render the nanoparticles aqueous compatible. Nanoparticles modified in this way may exhibit enhanced fluorescence and stability compared to aqueous compatible nanoparticles produced by methods requiring post-binding modification processes.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: June 3, 2014
    Assignee: Nanoco Technologies Ltd.
    Inventors: Nigel Pickett, Mark C. McCairn
  • Patent number: 8741254
    Abstract: The present invention relates to a method of preparing a porous silicon nanorod structure composed of columnar bundles having a diameter of 50-100 nm and a length of 2-5 ?m, and a lithium secondary cell using the porous silicon nanorod structure as an anode active material. The present invention provides a high-capacity and high-efficiency anode active material for lithium secondary cells, which can overcome the low conductivity of silicon and improve the electrode deterioration attributable to volume expansion because it is prepared by electrodepositing the surface of silicon powder with metal and simultaneously etching the silicon powder partially using hydrofluoric acid.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: June 3, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Joong Kee Lee, Byung Won Cho, Joo Man Woo, Hyung Sun Kim, Kyung Yoon Chung, Won Young Chang, Sang Ok Kim, Sang Eun Park
  • Patent number: 8734621
    Abstract: Transparent conducting oxides and production thereof are disclosed. An exemplary method of producing a transparent conducting oxide (TCO) material may comprise: providing a TCO target (110) doped with either a high-permittivity oxide or a low-permittivity oxide in a process chamber (100). The method may also comprise depositing a metal oxide on the target (110) to form a thin film having enhanced optical properties without substantially decreasing electrical quality.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: May 27, 2014
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Timothy A. Gessert, Yuki Yoshida, Timothy J. Coutts
  • Patent number: 8734899
    Abstract: The present invention relates to particles which have been modified by a modifier and a dispersion medium comprising the modified particles.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: May 27, 2014
    Assignee: BASF SE
    Inventors: Imme Domke, Andrey Karpov, Hartmut Hibst, Radoslav Parashkov, Ingolf Hennig, Marcel Kastler, Friederike Fleischhaker, Lothar Weber, Peter Eckerle
  • Patent number: 8734994
    Abstract: A cathode active material including a lithium metal oxide represented by Formula 1 below: Li[LixMeyM?z]O2+d??Formula 1 wherein x+y+z=1, 0<x<0.33, 0.05?z?0.15, 0?d?0.1, Me includes at least one metal selected from the group consisting of manganese (Mn), vanadium (V), chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), aluminum (Al), and boron (B), and M? includes at least one metal selected from the group consisting of germanium (Ge), ruthenium (Ru), tin (Sn), titanium (Ti), niobium (Nb), and platinum (Pt).
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: May 27, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-sik Park, Jae-gu Yoon
  • Patent number: 8721926
    Abstract: A single-source solid precursor matrix for semiconductor nanocrystals includes 45-55% by weight of zinc, 28-35% by weight of oxygen, 0.70-1.2% by weight of carbon, 1.5-2.5% by weight of hydrogen, 4-6% by weight of nitrogen, 5-7% by weight of sulphur and 1-5% by weight of dopant ions with respect to the weight of zinc atoms. Doped semiconductor nanocrystals for multicolor displays and bio markers include 60-65% by weight of zinc, 30-32% by weight of sulphur, 1.2-1.3% by weight of copper and 1.2-1.3% by weight of dopant ions.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 13, 2014
    Assignee: The Director General Defence Research & Development Organisation
    Inventors: Manzoor Koyakutty, Aditya Verma, Sampat Raj Vedera, Narendra Kumar, Thundyil Raman Narayana Kutty
  • Patent number: 8722250
    Abstract: A cathode active material including: a lithium metal oxide core represented by Formula 1 below; and an oxide coating layer formed on the lithium metal oxide core: Li[LixMeyMz]O2+d.??<Formula 1> In Formula 1: x+y+z=1 (0<x<0.33 and 0<z<0.1); 0?d?0.1; Me includes at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B; and M includes at least one metal selected from the group consisting of Mo, W, Ir, Ni, and Mg.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: May 13, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Min-sik Park, Won-chang Choi, Dong-min Im