Four Diverse Metals Containing Patents (Class 252/519.15)
  • Patent number: 10815564
    Abstract: An oxide sintered body containing indium, hafnium, tantalum, and oxygen as constituent elements, in which when indium, hafnium, and tantalum are designated as In, Hf, and Ta, respectively, the atomic ratio of Hf/(In+Hf+Ta) is equal to 0.002 to 0.030, and the atomic ratio of Ta/(In+Hf+Ta) is equal to 0.0002 to 0.013.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: October 27, 2020
    Assignee: TOSOH CORPORATION
    Inventors: Ryo Akiike, Yuya Tsuchida, Hideto Kuramochi
  • Patent number: 10818416
    Abstract: A REBCO superconductor tape that can achieve a lift factor greater than or equal to approximately 3.0 or 4.0 in an approximately 3 T magnetic field applied perpendicular to a REBCO tape at approximately 30 K. In an embodiment, the REBCO superconductor tape can include a critical current density less than or equal to approximately 4.2 MA/cm2 at 77 K in the absence of an external magnetic field. In another embodiment, the REBCO superconductor tape can include a critical current density greater than or equal to approximately 12 MA/cm2 at approximately 30 K in a magnetic field of approximately 3 T having an orientation parallel to a c-axis.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: October 27, 2020
    Assignee: The University of Houston System
    Inventor: Venkat Selvamanickam
  • Patent number: 10516164
    Abstract: The purpose of the present invention is to easily provide at low cost, a cathode active material for non-aqueous electrolyte secondary batteries, which exhibits high particle strength and high weather resistance, while enabling achievement of excellent charge and discharge capacity and excellent output characteristics in cases where the cathode active material is used as a cathode material of a non-aqueous electrolyte secondary battery. A slurry of from 500 g/L to 2000 g/L is formed by adding water to a powder of a lithium nickel composite oxide represented by the general formula (A): LizNi1-x-yCoxMyO2, where 0.10?x?0.20, 0?y?0.10, 0.97?z?1.20, and M represents at least one element selected from among Mn, V, Mg, Mo, Nb, Ti and Al); the slurry is washed with water by stirring; and after filtration, the resulting material is subjected to a heat treatment at a temperature of from 120° C. to 550° C. (inclusive) in an oxygen atmosphere having an oxygen concentration of 80% by volume or more.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: December 24, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Tomoko Nakayama, Rei Kokado, Kensaku Mori
  • Patent number: 10446855
    Abstract: In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; and an interconnect configured to conduct a flow of electrons from the first anode to the second cathode, wherein the interconnect comprises a first portion and a second portion, wherein the first portion is closer to the anode than the second portion, and the second portion is closer to the cathode than the first portion, wherein the first portion comprises one or more of doped ceria, doped lanthanum chromite, and doped yttrium chromite, and wherein the second portion comprises one or more of a Co—Mn spinel and a ABO3 perovskite.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: October 15, 2019
    Assignee: LG FUEL CELL SYSTEMS INC.
    Inventors: Zhien Liu, Richard W. Goettler, Hwa-Young Jung, Minjae Jung
  • Patent number: 10347900
    Abstract: A high-voltage positive electrode material for a lithium battery and a preparation method thereof are provided. The high-voltage positive electrode material for a lithium battery includes a material represented by the following formula (1): LiNi0.5-x-yMn1.5-x-yMg3xCr2yO4??(1) wherein x>0, y>0, and 0<3x+2y?0.1.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: July 9, 2019
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Zhang Lu, Chi-Hsun Tsai, Shih-Chieh Liao, Jin-Ming Chen
  • Patent number: 10096408
    Abstract: A voltage nonlinear resistor ceramic comprises: a Zn oxide; a Co oxide; an R (specific rare earth) oxide; a Cr oxide; an M1 (Ca, Sr) oxide; an M2 (Al, Ga, In) oxide; and strontium titanate. When content of the Zn oxide is assumed to be 100 mole portion in terms of Zn, content of the Co oxide is 0.30 to 10 mole portion in terms of Co, content of the R oxide is 0.10 to 10 mole portion in terms of R, content of the Cr oxide is 0.01 to 2 mole portion in terms of Cr, content of the M1 oxide is 0.10 to 5 mole portion in terms of M1, content of the M2 oxide is 0.0005 to 5 mole portion in terms of M2, and content of the strontium titanate is 0.10 to 5 mole portion in terms of SrTiO3.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: October 9, 2018
    Assignee: TDK CORPORATION
    Inventors: Masayuki Uchida, Takahiro Itami, Naoyoshi Yoshida, Takeshi Oyanagi, Koki Yamada, Kazuaki Kajiwara
  • Patent number: 9716265
    Abstract: The disclosed embodiments relate to the manufacture of a precursor co-precipitate material for a cathode active material composition. During manufacture of the precursor co-precipitate material, an aqueous solution containing at least one of a manganese sulfate and a cobalt sulfate is formed. Next, a NH4OH solution is added to the aqueous solution to form a particulate solution comprising irregular secondary particles of the precursor co-precipitate material. A constant pH in the range of 10-12 is also maintained in the particulate solution by adding a basic solution to the particulate solution.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: July 25, 2017
    Assignee: Apple Inc.
    Inventors: Hongli Dai, Christopher S. Johnson, Huiming Wu, John David Carter
  • Patent number: 9570740
    Abstract: In a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolytic solution, the nonaqueous electrolytic solution contains a nitrile compound having a chain saturated hydrocarbon group and a nitrile group, the number of carbon atoms in the nitrile compound is four or more, and the positive electrode contains a positive-electrode active material on the surface of which particles of a rare earth element compound are deposited in dispersed form.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: February 14, 2017
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Takeshi Ogasawara, Hiroyuki Matsumoto, Naoki Imachi
  • Patent number: 9437865
    Abstract: To provide an active material having high capacity and excellent cycle characteristics. An active material has a layered crystal structure and is expressed by a compositional formula (1) LiyNiaCobMncMdOx (1), where the element M is at least one kind of element selected from the group consisting of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba, and V; 1.9?(a+b+c+d+y)?2.1; 1.05?y?1.35; 0<a?0.3; 0<b?0.25; 0.3?c?0.7; 0?d?0.1; and 1.9?x?2.1, and wherein 0.69?Ni?/Ni??0.85, where Ni? is the Ni composition amount at a center portion of the active material primary particle, and Ni? is the Ni composition amount in the vicinity of a surface (in a width of 30 nm from the surface).
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: September 6, 2016
    Assignee: TDK CORPORATION
    Inventors: Hideaki Seki, Tomohiko Kato, Hirofumi Nakano, Atsushi Sano
  • Patent number: 9039926
    Abstract: A production process for composite oxide expressed by a compositional formula: LiMn1-xAxO2, where “A” is one or more kinds of metallic elements other than Mn; and 0?“x”<1, obtained by preparing a raw-material mixture by mixing a metallic-compound raw material and a molten-salt raw material with each other, the metallic-compound raw material at least including an Mn-containing nitrate that includes one or more kinds of metallic elements in which Mn is essential, the molten-salt raw material including lithium hydroxide and lithium nitrate, and exhibiting a proportion of the lithium nitrate with respect to the lithium hydroxide (Lithium Nitrate/Lithium Hydroxide) that falls in a range of from 1 or more to 3 or less by molar ratio; reacting the raw-material mixture at 500° C. or less by melting it; and recovering the composite oxide being generated from the raw-material mixture that has undergone the reaction.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: May 26, 2015
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ryota Isomura, Hitotoshi Murase, Naoto Yasuda
  • Publication number: 20150137050
    Abstract: A metal-oxide sintered body for a temperature sensor that can be installed in a combustion engine and components connected to the engine in order to sense temperature uses metal oxide. The metal-oxide sintered body has particles with large resistance values and particles with small resistance values mixed therein. The particles with the small resistance values may serve as a main resistance component in the temperature range of 0° C. to 500° C., and the particles with the large resistance values may contribute to the total resistance in proportion to the mixing ratio in the temperature range of 500° C. to 900° C. Thus, the metal-oxide sintered body enables a single sensor to measure all resistances, and can be used in an exhaust device or the like of a motor vehicle that requires temperature measurement over a wide range of temperatures.
    Type: Application
    Filed: May 10, 2013
    Publication date: May 21, 2015
    Inventor: Jin Seong Park
  • Publication number: 20150118563
    Abstract: The present invention discloses a lithium-rich positive electrode material, a lithium battery positive electrode, and a lithium battery. The lithium-rich positive electrode material has a coating structure, where a general structural formula of a core of the coating structure is as follows: z[xLi2MO3·(1?x)LiMeO2]·(1?z)Li1+dMy2?dO, where in the formula, 0<x<1, 0<z<1, and 0<d<?; M is at least one of Mn, Ti, Zr, and Cr, Me is at least one of Mn, Co, Ni, Ti, Cr, V, Fe, Al, Mg, and Zr, and My is at least one of Mn, Ni, and Co; and a coating layer of the coating structure is a compound whose general formula is MmMz, where in the formula, Mm is at least one of Zn, Ti, Zr, and Al, and Mz is O or F. The lithium battery positive electrode and the lithium battery both include the lithium-rich positive electrode material.
    Type: Application
    Filed: December 31, 2014
    Publication date: April 30, 2015
    Inventor: Chaohui Chen
  • Patent number: 9017581
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxCo4Sb12-zSez, where 0<x?0.25 and 0.4<z?2.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim, Deok-Hie Park, Kyung-Moon Ko
  • Publication number: 20150093644
    Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d ??Formula 1 wherein, 0.2?x?1, 0<y?0.2, 0<z?1, 0?v<1, 0<z+v?1, ?0.3?d<1, Ma is an electrochemically inactive metal, and Mb is different from Ma and Mn, and is at least one transition metal selected from elements in Groups 4 to 12 of the periodic table of the elements.
    Type: Application
    Filed: September 29, 2014
    Publication date: April 2, 2015
    Inventors: Dongwook Han, Seoksoo Lee, Guesung Kim, Ryounghee Kim, Kwangjin Park, Wonseok Chang
  • Patent number: 8961828
    Abstract: The present invention provides a method of preparing aluminum-doped zinc oxide (AZO) nanocrystals. In an exemplary embodiment, the method includes (1) injecting a precursor mixture of a zinc precursor, an aluminum precursor, an amine, and a fatty acid in a solution of a vicinal diol in a non-coordinating solvent, thereby resulting in a reaction mixture, (2) precipitating the nanocrystals from the reaction mixture, thereby resulting in a final precipitate, and (3) dissolving the final precipitate in an apolar solvent. The present invention also provides a dispersion. In an exemplary embodiment, the dispersion includes (1) nanocrystals that are well separated from each other, where the nanocrystals are coated with surfactants and (2) an apolar solvent where the nanocrystals are suspended in the apolar solvent. The present invention also provides a film. In an exemplary embodiment, the film includes (1) a substrate and (2) nanocrystals that are evenly distributed on the substrate.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: February 24, 2015
    Assignee: The Regents of the University of California
    Inventors: Raffaella Buonsanti, Delia J. Milliron
  • Publication number: 20150041732
    Abstract: This invention relates to a ceramic composition, which is suitable for use in DOC and DPF for removing nitrogen oxide, carbon monoxide and unburned particles from exhaust gas systems of vehicles or for use in a thermistor temperature sensor for an industrial high-temperature environment similar thereto, and to a thermistor device manufactured using the composition. The ceramic composition is prepared by adding a perovskite phase having a perovskite crystalline structure represented by ABO3 with Sn of Group 4B or Sb or Bi of Group 5B, wherein A includes at least one element selected from among Groups 2A and 3A elements except for LA, and B includes at least one element selected from among transition metals of Groups 4A, 5A, 6A, 7A, 8A, 2B and 3B.
    Type: Application
    Filed: October 24, 2014
    Publication date: February 12, 2015
    Inventors: Choon Sik Kim, Jae Moon Jung
  • Patent number: 8932781
    Abstract: Embodiments of the present disclosure include chemical compositions, structures, anodes, cathodes, electrolytes for solid oxide fuel cells, solid oxide fuel cells, fuel cells, fuel cell membranes, separation membranes, catalytic membranes, sensors, coatings for electrolytes, electrodes, membranes, and catalysts, and the like, are disclosed.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: January 13, 2015
    Assignee: Georgia Tech Research Corporation
    Inventors: Lei Yang, Zhe Cheng, Ze Liu, Meilin Liu
  • Publication number: 20140367621
    Abstract: A composite material for a temperature sensor and a method of manufacturing the temperature sensor using the composite material are provided. The composite material contains four or more kinds of metal oxides combined with highly insulating materials to produce a material with semiconductor-like properties to more accurately measure a temperature at high temperatures in the range of 500° C. and above. The sensor includes electrode wires having a predetermined diameter inserted into the metal oxide of the temperature sensor when the metal oxide is press-molded to form the temperature sensor. Through the connection of the electrode wires to the temperature sensor device, disconnection of the electrode wires from the device even at a high temperature.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Inventors: Na Yun Ko, Tae Seung Lee, Jin Seong Park
  • Publication number: 20140349854
    Abstract: Provided is an iron-based superconducting material including an iron-based superconductor having a crystal structure of ThCr2Si2, and nanoparticles which are expressed by BaXO3 (X represents one, two, or more kinds of elements selected from a group consisting of Zr, Sn, Hf, and Ti) and have a particle size of 30 nm or less. The nanoparticles are dispersed in a volume density of 1×1021m?3 or more.
    Type: Application
    Filed: February 28, 2014
    Publication date: November 27, 2014
    Applicant: International Superconductivity Technology Center
    Inventors: Masashi Miura, Seiji Adachi, Keiichi Tanabe, Hideo Hosono
  • Patent number: 8871119
    Abstract: A composite oxide sintered body includes In, Zn, and Sn, and has a relative density of 90% or more, an average crystal grain size of 10 ?m or less, and a bulk resistance of 30 m?cm or less, the number of tin oxide aggregate particles having a diameter of 10 ?m or more being 2.5 or less per mm2 of the composite oxide sintered body.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: October 28, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Koki Yano, Hirokazu Kawashima
  • Patent number: 8865348
    Abstract: A positive active material according to one embodiment of the present invention includes an internal bulk part and an external bulk part surrounding the internal bulk part and has a continuous concentration gradient of the metal composition from an interface between the internal bulk part and the external bulk part to the surface of the active material. The provided positive active material in which the metal composition is distributed in a continuous concentration gradient has excellent electrochemical characteristics such as a cycle life, capacity, and thermal stability.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: October 21, 2014
    Assignee: Industry-University Cooperation Foundation, Hanyang University
    Inventors: Yang-Kook Sun, Byung-Chun Park
  • Patent number: 8865018
    Abstract: An anode active-material for rechargeable lithium batteries and methods of manufacturing the same. This includes preparing an anode active-material for rechargeable lithium batteries, including heat-treating a mixture of Li2CO3, MnO2, MgO, Al2O3 and Co3O4 at 900-1000° C. in air or oxygen for 10-48 hours, generating a lithium-containing oxide; generating metal-oxide nanoparticles MO (5-500 nm) (M represents Mg, Co or Ni, with a valence of 2); and dry or wet mixing 0.01-10 wt % of pulverized metal oxide nanoparticles with the lithium-containing oxide to form an anode active-material. Spinel type MgAl2O4 is substituted into a basic spinel-structure (Li1.1Mn1.9O4) for structural stability. Spinel type Co3O4 is substituted to improve electronic conductivity, improving battery performance.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: October 21, 2014
    Inventors: Jae Won Jo, Seung-Taek Myung
  • Publication number: 20140302420
    Abstract: Novel anode materials including various compositions of vanadium-doped strontium titanate (SVT), and various compositions of vanadium- and sodium-doped strontium niobate (SNNV) for low- or intermediate-temperature solid oxide fuel cell (SOFCs). These materials offer high conductivity achievable at intermediate and low temperatures and can be used as the structural support of the SOFC anode and/or as the conductive phase of an anode. A method of making a low- or intermediate-temperature SOFC having an anode layer including SVT or SNNV is also provided.
    Type: Application
    Filed: March 12, 2014
    Publication date: October 9, 2014
    Applicant: University of Maryland, College Park
    Inventors: Eric D. WACHSMAN, Ke-Ji PAN, Colin GORE, Mohammed Hussain Abdul JABBAR, Hee Sung YOON
  • Publication number: 20140291588
    Abstract: Provided are a mixed cathode active material having improved power characteristics and safety, and a lithium secondary battery including the same. More particularly, the present invention relates to a mixed cathode active material which may assist power in a low SOC range to widen an available state of charge (SOC) range and may simultaneously provide improved safety by blending substituted LFP, in which operating voltage is adjusted by substituting a portion of iron (Fe) with other elements such as titanium (Ti), in order to prevent a rapid increase in resistance of manganese (Mn)-rich having high capacity but low operating voltage in a low SOC range (e.g., a SOC range of 10% to 40%), and a lithium secondary battery including the mixed cathode active material.
    Type: Application
    Filed: June 18, 2014
    Publication date: October 2, 2014
    Inventors: Song Taek Oh, Sang Uck Lee, Su Rim Lee, Geun Chang Chung, Jae Kook Kim, Jin Sub Lim
  • Publication number: 20140255771
    Abstract: Disclosed are a positive active material composition for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the positive electrode. The positive active material composition for a rechargeable lithium battery includes a nickel-based positive active material having pH of greater than or equal to about 11; V2O5; an aqueous binder, and a conductive material.
    Type: Application
    Filed: June 28, 2013
    Publication date: September 11, 2014
    Inventors: Seung-Hun Han, Myung-Duk Lim, Chae-Woong Cho
  • Publication number: 20140234752
    Abstract: A composite metal oxide represented by the formula Ma1?xMbxMcO4+x/2, wherein Ma is at least one element selected from alkaline earth metals, Mb is at least one element selected from lanthanoids, Mc is at least one element selected from Mo and W, and x is from about 0.1 to about 0.5.
    Type: Application
    Filed: July 22, 2013
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hee-jung PARK, Chan KWAK, Sung-jin AHN, Doh-won JUNG
  • Patent number: 8801974
    Abstract: A method for making a composite of cobalt oxide is disclosed. An aluminum nitrate solution is provided. Lithium cobalt oxide particles are introduced into the aluminum nitrate solution. The lithium cobalt oxide particles are mixed with the aluminum nitrate solution to form a mixture. A phosphate solution is added into the mixture to react with the aluminum nitrate solution and form an aluminum phosphate layer on surfaces of the lithium cobalt oxide particles. The lithium cobalt oxide particles with the aluminum phosphate layer formed on the surfaces thereof are heat treated to form a lithium cobalt oxide composite. The lithium cobalt oxide composite is electrochemical lithium-deintercalated at a voltage of Vx, wherein 4.5V<Vx?5V to form a cobalt oxide. The present disclosure also relates to a cobalt oxide and a composite of cobalt oxide.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: August 12, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jian-Jun Li, Xiang-Ming He, Li Wang, Dan Wang, Xian-Kun Huang, Chang-Yin Jiang
  • Patent number: 8801960
    Abstract: Because of the composition represented by General Formula: Li1+x+?Ni(1?x?y+?)/2Mn(1?x?y??)/2MyO2 (where 0?x?0.05, ?0.05?x+??0.05, 0?y?0.4; ?0.1???0.1 (when 0?y?0.2) or ?0.24???0.24 (when 0.2<y?0.4); and M is at least one element selected from the group consisting of Ti, Cr, Fe, Co, Cu, Zn, Al, Ge and Sn), a high-density lithium-containing complex oxide with high stability of a layered crystal structure and excellent reversibility of charging/discharging can be provided, and a high-capacity non-aqueous secondary battery excellent in durability is realized by using such an oxide for a positive electrode.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: August 12, 2014
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Atsushi Ueda, Kazutaka Uchitomi, Shigeo Aoyama
  • Patent number: 8792265
    Abstract: A phase change material for use in a phase change memory device comprises germanium-antimony-tellurium-indium, wherein the phase change material comprises in total more than 30 at % antimony, preferably 5-16 at % germanium, 30-60 at % antimony, 25-51 at % tellurium, and 2-33% at % indium.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: July 29, 2014
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Michael Antoine Armand In 'T Zandt, Robertus Andrianus Maria Wolters, Hendrikus Jan Wondergem
  • Patent number: 8784701
    Abstract: A process for producing nanoparticles incorporating ions selected from groups 13, 16, and 11 or 12 of the periodic table, and materials produced by the process. In an embodiment, the process includes effecting conversion of a nanoparticle precursor composition comprising group 13, 16, and 11 or 12 ions to the material of the nanoparticles in the presence of a selenol compound. Other embodiments include a process for fabricating a thin film including nanoparticles incorporating ions selected from groups 13, 16, and 11 or 12 of the periodic table as well as a process for producing a printable ink formulation including the nanoparticles.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: July 22, 2014
    Assignee: Nanoco Technologies Ltd.
    Inventors: Nigel Pickett, James Harris
  • 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: 8771559
    Abstract: A conductive sintered oxide which includes: a conductive crystal phase having a perovskite structure represented by (RE1-cSrc)MdO3, in which RE is a group of elements consisting of Yb and/or Lu and at least one element selected from Group IIIA elements excluding Yb, Lu and La, and M is a group of elements consisting of Al and at least one element selected from Groups IVA, VA, VIA, VIIA and VIII, a first insulating crystal phase represented by RE2O3, and a second insulating crystal phase represented by SrAl2O4. The conductive crystal phase has a coefficient c satisfying 0.18<c<0.50 and has a coefficient d satisfying 0.67?d?0.93. A content of a third insulating crystal phase represented by RE4Al2O9, the content of which may be zero, is smaller than the content of each of the first and second insulating crystal phases.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: July 8, 2014
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Hiroshi Watanabe, Yasuyuki Okimura, Shinji Ban, Takeshi Mitsuoka
  • Patent number: 8747706
    Abstract: A Cu—In—Zn—Sn—(Se,S)-based thin film for a solar cell and a preparation method thereof, and more particularly, to a Cu—In—Zn—Sn—(Se,S)-based thin film for a solar cell which can reduce an amount of In to be used and exhibit an excellent conversion efficiency and a preparation method thereof.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: June 10, 2014
    Assignee: Korea Institute of Energy Research
    Inventors: Jae-Ho Yun, Kyung-Hoon Yoon, Sejin Ahn, Jihye Gwak, Kee-Shik Shin, Kyoo-Ho Kim, Jin-Hyeok Kim
  • Patent number: 8734676
    Abstract: Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) is coated on the particle surface of the lithium iron phosphate containing a predetermined amount of sulfur (S). Li1+aFe1?xMx(PO4?b)Xb??(1) (wherein M, X, a, x, and b are the same as defined in the specification).
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: May 27, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kuk Noh, Hong Kyu Park, Cheol-Hee Park, Su-Min Park, JiEun Lee
  • Publication number: 20140131633
    Abstract: A positive electrode active material is provided for an electric device that contains a first active material comprising a transition metal oxide represented by formula (1): Li1.5[NiaCobMnc[Li]d]O3 (where a, b, c, and d satisfy the relationships: 0<d<0.5; a+b+c+d=1.5; and 1.0<a+b+c<1.5); and a second active material comprising a spinel transition metal oxide that has a crystal structure assigned to the space group Fd-3m, represented by formula (2): LiMa?Mn2?a?O4 (where M indicates at least one metal element having an atomic valence of 2-4, and a? satisfies the relationship 0=a?<2.0). The fraction content of the first and second active material by mass ratio satisfies the relationship (3): 100:0 A:MB A indicates the mass of the first active material and MB indicates the mass of the second active material).
    Type: Application
    Filed: July 3, 2012
    Publication date: May 15, 2014
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Atsushi Ito, Yasuhiko Ohsawa, Kenzo Oshihara, Tomohiro Kaburagi, Shinji Yamamoto
  • Publication number: 20140110641
    Abstract: To produce active material particles for a lithium ion secondary battery, which have favorable surface smoothness, with which the cycle characteristics can be improved while an increase in the internal resistance of an active material layer is suppressed, and with which decomposition of the electrolyte can be suppressed even at a high voltage. Active material particles (X) for a lithium ion secondary battery are contacted with a composition containing a compound (a) having a metal element (M) selected from the group consisting of Li, Mg, Ca, Sr, Ba, Pb, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Al, In, Sn, Sb, Bi, La, Ce, Pr, Nd, Gd, Dy, Er and Yb and a composition containing a fluoropolymer (b) having repeating units represented by —[CF2—CR1, R2]— (wherein each of R1 and R2 is H, F or —CF3), followed by heating.
    Type: Application
    Filed: December 24, 2013
    Publication date: April 24, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Eisuke MUROTANI, Kentaro TSUNOZAKI, Takeshi KAWASATO
  • Publication number: 20140103268
    Abstract: A sputtering target including indium (In), tin (Sn) and zinc (Zn) and an oxide including one or more elements X selected from the following group X, the atomic ratio of the elements satisfying the following formulas (1) to (4): Group X: Mg, Si, Al, Sc, Ti, Y, Zr, Hf, Ta, La, Nd, Sm 0.10?In/(In+Sn+Zn)?0.85??(1) 0.01?Sn/(In+Sn+Zn)?0.40??(2) 0.10?Zn/(In+Sn+Zn)?0.70??(3) 0.70?In/(In+X)?0.
    Type: Application
    Filed: May 7, 2012
    Publication date: April 17, 2014
    Inventors: Masayuki Itose, Mami Nishimura, Misa Sunagawa, Masashi Kasami, Koki Yano
  • Patent number: 8679374
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnQz, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, Q is at least one selected from the group consisting of O, S, Se and Te, 0<x<1, 0?y<1, 0?m?1, 0?a?1, 0?n<9, 0?z?4, 0?b?3 and 0<n+z+b.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim
  • Publication number: 20140065483
    Abstract: A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide. LiaNibCocMndO2 ??Chemical Formula 1 where 1<a<1.6, 0.1<b<0.7, 0.1<c<0.4, and 0.1<d<0.7.
    Type: Application
    Filed: August 9, 2013
    Publication date: March 6, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Han-Eol Park, Byung-Joo Chung, Chang-Wook Kim, Chun-Gyoo Lee, Jong-Seo Choi, Yoon-Chang Kim
  • Patent number: 8658063
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-z-bXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2; 0?a?1; 0<b?3; and 0<n+z+b<12.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim
  • Patent number: 8658064
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-m-aAmSb12-n-zXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; 0<x<1; 0<y<1; 0?m?1; 0?n<9; 0<z?2 and 0<a?1.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim
  • Publication number: 20140050972
    Abstract: Batteries with particularly high energy capacity and low internal impedance have been described herein. The batteries can exhibit extraordinary long cycling with acceptable low amounts of fade. Pouch batteries using high specific capacity lithium rich metal oxide as positive electrode material combined with graphitic carbon anode can reach an energy density of at least about 180 Wh/kg at a rate of C/3 from 4.35V to 2V at room temperature while having a room temperature areas specific DC resistance of no more than about 75 ohms-cm2 at 20% SOC based on a full charge to 4.35V. High specific capacity lithium rich metal oxide with specific stoichiometry ranges used in these batteries are disclosed.
    Type: Application
    Filed: August 17, 2012
    Publication date: February 20, 2014
    Inventors: Shabab Amiruddin, Subramanian Venkatachalam, Bing Li, Charles Bowling, Yezi Bei, Deepak Kumaar Karthikeyan, Herman Lopez, Sujeet Kumar
  • Publication number: 20140038043
    Abstract: The object of the present invention is to provide a lithium transition metal silicate-type cathode active material that shows superior cycle characteristics, and shows little deterioration of discharge capacity even after repeated charge-and-discharge. In the present invention, a cathode active material that is expressed by the general formula Li2-yFe1-xMxSi1-yXyO4 (M=at least one transition metal selected from the group consisting of Mn, Ti, Cr, V, Ni, Co, Cu, Zn, Al, Ge, Zr, Mo, W; X=at least one element selected from the group consisting of Ti, Cr, V, Zr, Mo, W, P, B; 0?x<1, 0?y<0.25), and contains a lithium transition metal silicate, which comprises a mixed phase of an orthorhombic-type structure with a space group Pmn21 symmetry, and a monoclinic-type structure with a space group P21/n symmetry, is provided.
    Type: Application
    Filed: October 4, 2013
    Publication date: February 6, 2014
    Applicants: THE FURUKAWA BATTERY CO., LTD., FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yosuke HIRAYAMA, Michio OHKUBO, Yoshinori KAZAMA, Hidetoshi ABE, Miyu NEMOTO
  • Patent number: 8636926
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-zXnTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Pd, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt, X is at least one selected from the group consisting of Si, Ga, Ge and Sn, 0<x<1, 0<y<1, 0?m?1, 0?n<9 and 0<z?2.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: January 28, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim
  • Patent number: 8617430
    Abstract: Amorphous or partially amorphous nanoscale ion storage materials are provided. For example, lithium transition metal phosphate storage compounds are nanoscale and amorphous or partially amorphous in an as-prepared state, or become amorphous or partially amorphous upon electrochemical intercalation or de-intercalation by lithium. These nanoscale ion storage materials are useful for producing devices such as high energy and high power storage batteries.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: December 31, 2013
    Assignee: A123 Systems LLC
    Inventors: Yet-Ming Chiang, Anthony E. Pullen, Nonglak Meethong
  • Publication number: 20130337369
    Abstract: The present invention relates to a mixed metal oxide exhibiting perovskite-type structural characteristics in which there are cations of Ba, Ca or Sr, a rare earth metal and Fe, Cr, Cu, Co or Mn present in three different coordination sites or a composition thereof, to a cathode composed of the mixed metal oxide or composition thereof and to a solid oxide fuel cell comprising the cathode.
    Type: Application
    Filed: November 14, 2011
    Publication date: December 19, 2013
    Applicant: THE UNIVERSITY OF LIVERPOOL
    Inventors: Matthew Rosseinsky, John Claridge, Antoine Demont, Ruth Sayers
  • Patent number: 8603368
    Abstract: Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: InxMyCo4-mAmSb12-n-z-pXnQ?pTez, where M is at least one selected from the group consisting of Ca, Sr, Ba, Ti, V, Cr, Mn, Cu, Zn, Ag, Cd, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; A is at least one selected from the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is at least one selected from the group consisting of Si, Ga, Ge and Sn; Q? is at least one selected from the group consisting of O, S and Se; 0<x<1; 0<y<1; 0?m?1; 0?n?7; 0<z?2 and 0<p?2.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 10, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Tae-Hoon Kim
  • Patent number: 8603369
    Abstract: [Problems to be Solved] Provided is a positive electrode material for an electrical device, which has high capacity and improved initial charge-discharge efficiency. [Means for Solving the Problem] Disclosed is a positive electrode material for an electrical device, which is represented by the formula (1): aLi[Li1/3Mn2/3]O2.(1?a)Li[NixCoyMn1-x-y]O2??(1) (wherein, 0<a<1, 0<x<0.5, and 0<y<0.3) and satisfies the relational expression: 2x+y<1.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: December 10, 2013
    Assignees: Nissan Motor Co., Ltd., Kanagawa University
    Inventors: Atsushi Ito, Yasuhiko Ohsawa, Yuichi Sato
  • Patent number: 8603367
    Abstract: The invention provides electrode active materials comprising lithium or other alkali metals, manganese, a +3 oxidation state metal ion, and optionally other metals, and a phosphate moiety. Such electrode active materials include those of the formula: AaMnbMIcMIIdMIIIePO4 wherein (a) A is selected from the group consisting of Li, Na, K, and mixtures thereof, and 0<a?1; (b) 0<b?1; (c) MI is a metal ion in the +3 oxidation state, and 0<c<0.5; (d) MII is metal ion, a transition metal ion, a non-transition metal ion or mixtures thereof, and 0?d<1; (e) MIII is a metal ion in the +1 oxidation state and 0<e<0.5; and wherein A, Mn, MI, MII, MIII, PO4, a, b, c, d and e are selected so as to maintain electroneutrality of said compound.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: December 10, 2013
    Assignee: Valence Technology, Inc.
    Inventors: Haitao Huang, Yazid Saidi
  • Publication number: 20130302683
    Abstract: A composite metal precursor including a composite metal hydroxide represented by Formula 1 below, wherein an amount of magnesium (Mg) in the composite metal hydroxide is less than or equal to 0.005 wt %, an electrode active material formed from the same, a positive electrode including the same, and a lithium secondary battery employing the same: (A1-x-yBxCy)(OH)2 ??[Formula 1] wherein in Formula 1, x, y, A, B, and C are as described in the detailed description.
    Type: Application
    Filed: January 25, 2013
    Publication date: November 14, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Hak-Seok Kang, Heung-Min Oh, Young-Hoon Do, Myung-Hun Bae, Suk-Chul Jung