Iron, Cobalt, Or Nickel Compound Patents (Class 252/521.2)
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Patent number: 8066916Abstract: The present invention relates to lithium secondary batteries and more specifically to positive electrode materials operating at potentials greater than 2.8 V vs. Li+/Li in non-aqueous electrochemical cells. In particular, the invention relates to crystalline nanometric olivine-type LiFe1-xMxPO4 powder with M is Co and/or Mn, and 0<x<1, with small particle size and narrow particle size distribution. A direct precipitation process is described, comprising the steps of:—providing a water-based mixture having at a pH between 6 and 10, containing a dipolar aprotic additive, and Li(I), Fe(II), P(V), and Co(II) and/or Mn(II) as precursor components;—heating said water-based mixture to a temperature less than or equal to its boiling point at atmospheric pressure, thereby precipitating crystalline LiFe1-xMxPO4 powder. An extremely fine particle size is obtained of about 80 nm for Mn and 275 nm for Co, both with a narrow distribution.Type: GrantFiled: November 19, 2007Date of Patent: November 29, 2011Assignees: Umicore, Centre National de la Recherche ScientifiqueInventors: Stephane Levasseur, Michèle Van Thournout, Pierre Gibot, Christian Masquelier
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Patent number: 8066915Abstract: The present invention provides a method for producing a nickel atom-, manganese atom- and cobalt atom-containing composite carbonate that is high in specific surface area and large in tap density, and useful as a raw material for producing a lithium nickel manganese cobalt composite oxide to be used in a positive electrode active material for use in a lithium secondary battery. The composite carbonate includes nickel atoms, manganese atoms and cobalt atoms, and has an average particle size of 5 ?m or more and less than 20 ?m, a BET specific surface area of 40 to 80 m2/g and a tap density of 1.7 g/ml or more.Type: GrantFiled: January 27, 2011Date of Patent: November 29, 2011Assignee: Nippon Chemical Industrial Co., Ltd.Inventor: Yasuhiro Nakaoka
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Patent number: 8062555Abstract: A co-assembly method includes, in an aqueous polyelectrolyte composition comprising: (a) a first polyelectrolyte dispersed in the composition and having a net electric charge of a first polarity, (b) a second polyelectrolyte dispersed in the composition and having a net electric charge of a second polarity, wherein the second polarity is opposite the first polarity, and (c) an electrolyte dissolved in the composition in a concentration effective to prevent co-assembly of the polyelectrolytes, the step of allowing co-assembly of the polyelectrolytes by: (1) decreasing the concentration of the electrolyte, or (2) forming an interface between the aqueous polyelectrolyte composition and a surface of a solid substrate or of a second liquid phase, wherein the surface has an affinity for at least one of the polyelectrolytes, or (3) decreasing the concentration of the electrolyte and forming such an interface.Type: GrantFiled: April 16, 2009Date of Patent: November 22, 2011Assignee: Rhodia OperationsInventors: Jérôme Fresnais, Jean-Francois Berret, Ling Qi, Jean-Paul Chapel, Jean-Christophe Castaing
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Patent number: 8057709Abstract: A method of making a treating wash includes mixing brass granules with acetone, mixing carbon nanotube material, iron pyrite granules and copper granules in the acetone brass mixture, and straining the liquid from the remaining solid material. Methods of treating materials such as brass granules, iron pyrite granules, carbon nanotube material, and brass granules comprises washing the materials in the treating wash, followed by straining and drying the materials.Type: GrantFiled: April 7, 2010Date of Patent: November 15, 2011Assignee: Kryron Global LLCInventor: John M. Bourque
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Patent number: 8057713Abstract: The invention relates to a method for producing electrically conducting nickel oxide surfaces made of nickel-containing material. According to the method, the nickel surface is first degreased and is then roughened for approximately ten minutes in a solution containing about one percent of hydrochloric acid, the process being accelerated by adding hydrogen peroxide solution, resulting in the electrolyte turning green. The nickel surface is briefly wetted, the nickel material is introduced into a solution of 3.5 molar lye to which about ten percent of hydrogen peroxide is added and is kept therein for ten minutes, and the resulting nickel hydroxide surface is dehydrated in a subsequent thermal process and is then further oxidized to obtain nickel oxide. The invention further relates to a conductive boundary layer that is produced according to the method, the electrodes therefrom, and the use thereof in chlorine-alkali electrolysis processes, in fuel cells and storage batteries.Type: GrantFiled: July 9, 2005Date of Patent: November 15, 2011Assignees: UHDE GmbH, Gaskatel Gessellschaft Fuer Gassysteme Durch Katalyse und Elektrochemie mbHInventors: Roland Beckmann, Karl-Heinz Dulle, Peter Woltering, Randolf Kiefer, Frank Holthuis, Frank Funck, Wolfram Stolp, Hans-Joachim Kohnke, Joachim Helmke
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Publication number: 20110236747Abstract: The present invention relates to a composite material for a negative electrode, including: a plurality of iron oxide particles; and a conductivity improver, which is selected form the group consisting of copper, cobalt, nickel, tin, antimony, bismuth, indium, silver, gold, lead, cadmium, carbon black, graphite, copper salt, cobalt salt, nickel salt, tin salt, antimony salt, bismuth salt, indium salt, silver salt, gold salt, lead salt, cadmium salt, copper hydroxide, cobalt hydroxide, nickel hydroxide, stannic hydroxide, antimony hydroxide, bismuth hydroxide, indium hydroxide, silver hydroxide, gold hydroxide, lead hydroxide, cadmium hydroxide and the combination thereof. In the case of applying the composite material for a negative electrode according to the present invention in an electrochemical device, the improved charge/discharge characteristics and high capacity can be achieved.Type: ApplicationFiled: October 22, 2010Publication date: September 29, 2011Inventors: Kan-Sen CHOU, Chen-Yu Kao, Yun-Ru Tsai
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Publication number: 20110215280Abstract: Composite particles that include an electrochemically active metal phase, an insulating phase, and a conducting phase are provided that are useful active materials in negative electrodes for lithium-ion electrochemical cells. The electrochemically active phase includes silicon. Lithium-ion electrochemical cells are provided that include the provided composite composite particles as active materials in negative electrodes as well as methods of making the provided composite particles.Type: ApplicationFiled: March 3, 2010Publication date: September 8, 2011Inventors: Mark N. Obrovac, Marc Flodquist
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Patent number: 8007692Abstract: It is aimed at providing: a coating liquid for nickel film formation suitable for forming a nickel film combinedly possessing an excellent electroconductivity and an excellent film-forming ability (surface flatness), by a coating method, particularly inkjet printing; a nickel film obtained by using the nickel film formation coating liquid; and a production method of such a nickel film. A coating liquid for nickel film formation comprises: nickel formate; and an amine based solvent having a boiling point within a range between 180° C. inclusive and 300° C. exclusive, as a main solvent, thereby allowing obtainment of a coating liquid for nickel film formation suitable for inkjet printing; and there can be obtained a uniform and flat nickel film having a low resistance and being excellent in film strength (adhesion force), by coating the nickel film formation coating liquid onto a substrate; drying the coated coating liquid; and subsequently calcining the dried coating liquid at a temperature of 200° C.Type: GrantFiled: June 16, 2006Date of Patent: August 30, 2011Assignee: Sumitomo Metal Mining Co., Ltd.Inventors: Yoshihiro Otsuka, Masaya Yukinobu
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Patent number: 7998367Abstract: According to various embodiments of the present teachings, there is a metal-carbon nanotubes composite and methods of making it. A method of forming a metal-carbon nanotube composite can include providing a plurality of carbon nanotubes and providing a molten metal. The method can also include mixing the plurality of carbon nanotubes with the molten metal to form a mixture of the carbon nanotubes and the molten metal and solidifying the mixture of the carbon nanotubes and the molten metal to form a metal-carbon nanotube composite.Type: GrantFiled: June 20, 2007Date of Patent: August 16, 2011Assignee: STC.UNMInventors: Tariq A. Khraishi, Marwan S. Al-Haik
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Publication number: 20110195185Abstract: Nanocomposite materials comprising a SiGe matrix with silicide and/or germanide nanoinclusions dispersed therein, said nanocomposite materials having improved thermoelectric energy conversion capacity.Type: ApplicationFiled: July 11, 2008Publication date: August 11, 2011Inventors: Natalio Mingo Bisquert, Nobuhiko Kobayashi, Marc Plissonnier, Ali Shakouri
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Patent number: 7988885Abstract: The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.Type: GrantFiled: June 23, 2006Date of Patent: August 2, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Simona Percec, Susan H. Tilford
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Patent number: 7981546Abstract: A lithium-containing composite oxide represented by the formula 1: LixNi1-y-z-v-wCoyAlzM1vM2wO2 is used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The element M1 is at least one selected from the group consisting of Mn, Ti, Y, Nb, Mo, and W. The element M2 includes at least two selected from the group consisting of Mg, Ca, Sr, and Ba, and the element M2 includes at least Mg and Ca. The formula 1 satisfies 0.97?x?1.1, 0.05?y?0.35, 0.005?z?0.1, 0.0001?v?0.05, and 0.0001?w?0.05. The primary particles have a mean particle size of 0.1 ?m or more and 3 ?m or less, and the secondary particles have a mean particle size of 8 ?m or more and 20 ?m or less.Type: GrantFiled: April 17, 2006Date of Patent: July 19, 2011Assignees: Panasonic Corporation, Sumitomo Metal Mining Co., Ltd.Inventors: Takashi Takeuchi, Akihiro Taniguchi, Shuji Tsutsumi, Kensuke Nakura, Hiroshi Matsuno, Hideo Sasaoka, Satoshi Matsumoto
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Publication number: 20110169396Abstract: A semiconductor ceramic including a microstructure including 5 to 40% by volume of a particulate conducting phase, and 60 to 95% by volume of a particulate insulating phase, a size of the particles of the conducting phase being between 5 nm and 11 ?m, 65 to 80% of the particles of the conducting phase having an average diameter smaller than 1 ?m, and 20 to 35% of the conducting particles having an average diameter between 1 and 11 ?m, and a distance between two adjacent particles of the conducting phase being between 30 Angström and 5 ?m.Type: ApplicationFiled: August 7, 2009Publication date: July 14, 2011Inventor: Béatrice Drazenovic
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Patent number: 7972683Abstract: A material for bonding a first wafer to a second wafer, which includes an insulating adhesive with conductive particles embedded in the adhesive substance. When the adhesive is applied and melted or fused, and pressure is applied between the first wafer and the second wafer, the first wafer approaches the second wafer until a minimum separation is reached, defined by a dimension of the conductive particles. Each of the first wafer and the second wafer may have circuitry formed thereon, and the conductive particles may form a conductive path between the circuitry on one wafer and the circuitry on the other wafer. Advantageously, the high fusing temperature required by the insulating adhesive may also serve to activate a getter material, formed in the device cavity between the first wafer and the second wafer.Type: GrantFiled: September 5, 2007Date of Patent: July 5, 2011Assignee: Innovative Micro TechnologyInventors: Christopher S. Gudeman, Steven H. Hovey, Ian R. Johnston
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Publication number: 20110147679Abstract: The present invention provides a method for recovering an oxide-containing battery material from a waste battery material. The recovery method includes steps (1) and (2) in this order: (1) a step of immersing a base taken out of the waste battery material and the base having an oxide-containing battery material, in a solvent that does not substantially dissolve the oxide, and stripping the battery material from the base thereby, and (2) a step of separating the battery material from the base.Type: ApplicationFiled: June 30, 2009Publication date: June 23, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hiroshi Inukai, Toshinori Isobe, Kenji Nakane
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Patent number: 7964117Abstract: The present invention includes an electrochemical redox active material. The electrochemical redox active material includes a cocrystalline metallic compound having a general formula AxMO4-yXOy.M?O, where A is at least one metallic element selected from a group consisting of alkali metals, M and M? may be identical or different and independently of one another at least one selected from a group consisting of transition metals and semimetals, X is P or As, 0.9?x?1.1, and 0<y<4.Type: GrantFiled: February 25, 2009Date of Patent: June 21, 2011Assignee: Advanced Lithium Electrochemistry Co., Ltd.Inventors: Ben-Jie Liaw, Yu-Fang Chen, Wen-Ren Liu, Sheng-Shih Chang
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Patent number: 7964118Abstract: The present invention provides an olivine-type positive electrode active material that is an inexpensive and very safe positive electrode active material that also exhibits excellent battery properties even at high energy densities. The present invention also provides a method of producing this olivine-type positive electrode active material and a nonaqueous electrolyte battery that has a positive electrode that contains this olivine-type positive electrode active material. The present invention relates to a positive electrode active material that comprises an olivine-type lithium manganese phosphate compound represented by the following general formula (1) LixMnyMaPO4??(1) (in the formula, 0<x<2, 0<y<1, 0<a<1, and M is at least one metal element selected from the group consisting of Co, Ni, Fe, Zn, Cu, Ti, Sn, Zr, V, and Al) and that has a particle diameter of 10 to 500 nm.Type: GrantFiled: September 20, 2006Date of Patent: June 21, 2011Assignees: Kanto Denka Kogyo Co., Ltd., Kyushu University, National University Corp.Inventors: Shinji Iizuka, Osamu Omae, Kumiko Sueto, Takeshi Shimada, Shigeto Okada, Tomoko Iwanaga, Tomoyuki Shiratsuchi, Jun-ichi Yamaki
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Publication number: 20110127314Abstract: A bonding material including a meltable joining material and a plurality of heterostructures distributed throughout the meltable joining material, the heterostructures comprising at least a first material and a second material capable of conducting a self-sustaining exothermic reaction upon initiation by an external energy to generate heat sufficient to melt the meltable joining material.Type: ApplicationFiled: November 30, 2009Publication date: June 2, 2011Applicant: INFINEON TECHNOLOGIES AGInventors: Alexander Heinrich, Thorsten Scharf, Edmund Riedl, Steffan Jordan
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Publication number: 20110114900Abstract: The present invention provides a method for producing a nickel atom-, manganese atom- and cobalt atom-containing composite carbonate that is high in specific surface area and large in tap density, and useful as a raw material for producing a lithium nickel manganese cobalt composite oxide to be used in a positive electrode active material for use in a lithium secondary battery. The composite carbonate includes nickel atoms, manganese atoms and cobalt atoms, and has an average particle size of 5 ?m or more and less than 20 ?m, a BET specific surface area of 40 to 80 m2/g and a tap density of 1.7 g/ml or more.Type: ApplicationFiled: January 27, 2011Publication date: May 19, 2011Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventor: Yasuhiro Nakaoka
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Publication number: 20110101283Abstract: An electrically conductive composition and a fabrication method thereof are provided. The electrically conductive structure includes a major conductive material and an electrically conductive filler of an energy delivery character dispersed around the major conductive material. The method includes mixing a major conductive material with an electrically conductive filler of an energy delivery character to form a mixture, coating the mixture on a substrate, applying a second energy source to the mixture while simultaneously applying a first energy source for sintering the major conductive material to form an electrically conductive composition with a resistivity smaller than 10×10?3?·cm.Type: ApplicationFiled: June 11, 2010Publication date: May 5, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-An Lu, Hong-Ching Lin
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Patent number: 7931827Abstract: The invention relates to a mixture and a method for imprinting textiles. The mixture used for the imprinting of textiles, includes: A) at least one pigment; B) at least one dispersing agent on the basis of oxalkylated linear or branched alkanes, fatty acids or fatty alcohols, and/or alkyl sulfates or alkyl sulfonates, and/or polyelectrolytes, and/or alkylated, and/or arylated glycosides; C) at least one water-soluble or water-dilutable, radiation-hardenable binding agent with a molecular weight above 2000 g/mol and at least two polymerizable groups for each binding agent molecule, which are cross-linked to the binding agent molecule by at least one urethane group or urea group; D) water.Type: GrantFiled: December 27, 2005Date of Patent: April 26, 2011Assignee: ITCF Institut fuer Textilchemie und ChemiefasernInventors: Reinhold Schneider, Marion Funkler
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Publication number: 20110082045Abstract: In some implementations of the invention, existing extremely low resistance materials (“ELR materials”) may be modified and/or new ELR materials may be created by enhancing (in the case of existing ELR materials) and/or creating (in the case of new ELR materials) an aperture within the ELR material such that the aperture is maintained at increased temperatures so as not to impede propagation of electrical charge there through. In some implementations of the invention, as long as the propagation of electrical charge through the aperture remains unimpeded, the material should remain in an ELR state; otherwise, as the propagation of electrical charge through the aperture becomes impeded, the ELR material begins to transition into a non-ELR state.Type: ApplicationFiled: October 2, 2010Publication date: April 7, 2011Inventor: Douglas J. GILBERT
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Patent number: 7914710Abstract: Method for the preparation of inorganic-NP-composite microgels is based on the reversible transfer of microgels between water and an organic solvent such as tetrahydrofuran (THF). The method is used to produce semiconductor nanocrystals, often referred to as quantum dots (QDs) which are well known for their unique optical, electrical, magnetic and catalytic properties, as the inorganic NPs, recognizing that the best quality QDs are synthesized by a high temperature process in organic media, and have their surface covered with hydrophobic ligands (such as trioctylphosphine oxide, TOPO) that render the NPs insoluble in an aqueous solution.Type: GrantFiled: May 2, 2008Date of Patent: March 29, 2011Inventors: Mitchell Alan Winnik, Lei Shen, Andrij Pich
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Publication number: 20110065001Abstract: The present invention provides electrochemical energy storage systems comprising metallolyte composites, iron fluoride composites and iron oxyfluoride composites. The present invention further provides methods for fabricating metallolyte composites.Type: ApplicationFiled: May 21, 2009Publication date: March 17, 2011Inventors: Nathalie Pereira, Glenn Amatucci
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Cathode active material, method for producing the same, and nonaqueous electrolyte secondary battery
Patent number: 7906239Abstract: A cathode active material capable of improving chemical stability, a method for producing the same, and a nonaqueous electrolyte secondary battery using the same which has high capacity and good charge-discharge cycling characteristics is provided. The cathode has a cathode active material. The cathode active material includes a coating layer formed on at least a part of the composite oxide particle, the coating layer including an oxide including lithium and an oxide including a coating element of nickel, or nickel and manganese, and a surface layer formed on at least a part of the coating layer and containing molybdenum.Type: GrantFiled: March 2, 2007Date of Patent: March 15, 2011Assignee: Sony CorporationInventors: Haruo Watanabe, Kenji Ogisu, Tomoyo Ooyama, Masanori Soma -
Publication number: 20110052966Abstract: In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by an empirical formula of Li(1+x1)(Mn1-y1A?y1)2?x1Oz1 and an olivine compound represented by an empirical formula of Li(1?x2)A?x2MPO4. In another embodiment, an active cathode material comprises a mixture that includes: a lithium nickelate selected from the group consisting of LiCoO2-coated LiNi0.8Co0.15Al0.05O2, and Li(Ni1/3Co1/3Mn1/3)O2; and a manganate spinel represented by an empirical formula of Li(1+x7)Mn2?y7Oz7. A lithium-ion battery and a battery pack each independently employ a cathode that includes an active cathode material as described above.Type: ApplicationFiled: November 9, 2010Publication date: March 3, 2011Applicant: Boston-Power, Inc.Inventor: CHRISTINA M. LAMPE-ONNERUD
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Publication number: 20110052988Abstract: Improved positive electrode material and methods for making the same are described. Lithium-iron-manganese phosphate materials, doped with one or more dopant Co, Ni, V, and Nb, and methods for making the same are described. The improved positive electrode material of the present invention is capable of exhibiting improved energy density and/or specific capacity for use in wide range of applications. In certain embodiments, energy density of greater than 340 mWh/g is possible.Type: ApplicationFiled: August 25, 2010Publication date: March 3, 2011Applicant: A123 Systems, Inc.Inventors: Larry W. BECK, Chuanjing Xu, Young-ll Jang
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Publication number: 20110048538Abstract: A suspension or solution for an organic optoelectronic device is disclosed. The composition of the suspension or solution includes at least one kind of micro/nano transition metal oxide and a solvent. The composition of the suspension or solution can selectively include at least one kind of transition metal oxide ions or a precursor of transition metal oxide. Moreover, the method of making and applications of the suspension or solution are also disclosed.Type: ApplicationFiled: October 6, 2009Publication date: March 3, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: JING-SHUN HUANG, CHING-FUH LIN
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Publication number: 20110049443Abstract: The present application relates to a process for the preparation of compounds of general formula (I) Lia-bM1bFe1-cM2cPd-eM3eOx (I), wherein M1, M2, M3, a, b, c, d, e and x: M1: Na, K, Rb and/or Cs, M2: Mn, Mg, Ca, Ti, Co, Ni, Cr, V, M3: Si, S, a: 0.8-1.9, b: 0-0.3, c: 0-0.9, d: 0.8-1.9, e: 0-0.5, x: 1.Type: ApplicationFiled: April 16, 2009Publication date: March 3, 2011Applicant: BASF SEInventors: Hartmut Hibst, Brian Roberts, Jordan Keith Lampert, Kirill Bramnik
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Patent number: 7897069Abstract: The present invention provides a nickel atom-, manganese atom- and cobalt atom-containing composite carbonate that is high in specific surface area and large in tap density, and useful as a raw material for producing a lithium nickel manganese cobalt composite oxide to be used in a positive electrode active material for use in a lithium secondary battery, and provides a method for industrially advantageously producing the composite carbonate. The composite carbonate includes nickel atoms, manganese atoms and cobalt atoms, and has an average particle size of 5 ?m or more and less than 20 ?m, a BET specific surface area of 40 to 80 m2/g and a tap density of 1.7 g/ml or more.Type: GrantFiled: January 30, 2009Date of Patent: March 1, 2011Assignee: Nippon Chemical Industrial Co., Ltd.Inventor: Yasuhiro Nakaoka
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Patent number: 7887721Abstract: A process for preparing lithium-nickel-manganese-cobalt composite oxide used as a positive electrode material for the lithium ion battery, comprising subjecting a mixture containing a lithium compound and nickel-manganese-cobalt hydroxide to a first-stage sintering and a second-stage sintering. The process includes adding a binder and/or binder solution after the first-stage sintering, and the mixture of the binder and/or binder solution and the product of first-stage sintering is sintered in the second-stage sintering. The tap density and volume specific capacity of the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the process, come up to 2.4 g/cm3 and 416.4 mAh/cm3, respectively. Besides, the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the process possesses the advantages of high specific capacity and good cycle stability.Type: GrantFiled: March 3, 2006Date of Patent: February 15, 2011Assignee: BYD Company LimitedInventors: Feng Xiao, Jianchang Zhang, Wenyu Cao, Dengwei Liu
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Publication number: 20110033749Abstract: To provide a process for producing a surface modified lithium-containing composite oxide, which is excellent in discharge capacity, volume capacity density, safety, durability for charge and discharge cycles and an excellent rate property, at a low production cost. The present invention is characterized in that a process for producing a surface modified lithium-containing composite oxide, wherein a lithium titanium composite oxide is contained in the surface layer of particles of a lithium-containing composite oxide represented by the formula: LipNxMyOzFa, where N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, Sn, alkaline earth metal elements and transition metal elements other than Co, Mn and Ni, 0.9?p?1.3, 0.9?x?2.0, 0?y?0.1, 1.9?z?4.2, and 0?a?0.Type: ApplicationFiled: October 27, 2009Publication date: February 10, 2011Applicant: AGC Seimi Chemical Co., Ltd.Inventors: Megumi UCHIDA, Takeshi KAWASATO, Remi HIRAKI
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Patent number: 7883644Abstract: A LiCoO2-containing powder. and a method for preparing a LiCoO2-containing powder, includes LiCoO2 having a stoichiometric composition via heat treatment of a lithium cobalt oxide and a lithium buffer material to make an equilibrium of a lithium chemical potential therebetween; the lithium buffer material which acts as a Li acceptor or a Li donor to remove or supplement a Li-excess or a Li-deficiency, the lithium buffer material coexisting with the stoichiometric lithium metal oxide. Also an electrode includes the LiCoO2-containing powder as an active material, and a rechargeable battery includes the electrode.Type: GrantFiled: March 20, 2007Date of Patent: February 8, 2011Assignee: LG Chem, Ltd.Inventors: Jens M. Paulsen, Sun Sik Shin, Hong-Kyu Park
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Publication number: 20110024700Abstract: Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component, further comprises an oxide A wherein the oxide A represents one or more members selected from among nickel oxides, copper oxide and zinc oxide, and has a relative density of 80% or more and 90% or less.Type: ApplicationFiled: April 10, 2009Publication date: February 3, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuo Sadaoka, Yuichi Hiroyama, Yoshinari Sawabe
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Patent number: 7879266Abstract: The present invention provides a nickel atom-, manganese atom- and cobalt atom-containing composite carbonate that is high in specific surface area and large in tap density, and useful as a raw material for producing a lithium nickel manganese cobalt composite oxide to be used in a positive electrode active material for use in a lithium secondary battery, and provides a method for industrially advantageously producing the composite carbonate. The composite carbonate includes nickel atoms, manganese atoms and cobalt atoms, and has an average particle size of 20 ?m or more and 40 ?m or less, a BET specific surface area of 50 to 130 m2/g and a tap density of 1.7 g/ml or more.Type: GrantFiled: January 30, 2009Date of Patent: February 1, 2011Assignee: Nippon Chemical Industrial Co., Ltd.Inventor: Yasuhiro Nakaoka
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Publication number: 20110020706Abstract: The method described allows the selection and/or design of anode and cathode materials by n- or p-doping semiconductor material. Such doped materials are suitable for use in electrodes of lithium ion batteries. As one advantage, the anode and the cathode may be produced using anodes and cathodes that are derived from the same semiconductor material.Type: ApplicationFiled: July 22, 2010Publication date: January 27, 2011Applicant: BELENOS CLEAN POWER HOLDING AGInventor: Reinhard Nesper
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Publication number: 20110003204Abstract: Provided is a positive electrode for a lithium secondary battery including a positive active material and a conductive agent comprising a plurality of plate-structured carbon particles.Type: ApplicationFiled: September 14, 2010Publication date: January 6, 2011Inventors: Won-Il Jung, Yong-Chul Park, Geun-Bae Kim, Jun-Won Suh
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Publication number: 20100327238Abstract: Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component and the sintered body has a relative density of 90% or more and an average of the size of particles constituting the sintered body is 3 ?m or less.Type: ApplicationFiled: February 10, 2009Publication date: December 30, 2010Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kazuo Sadaoka
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Publication number: 20100316918Abstract: In various aspects, provided are substantially single phase ceramic membranes, gas separation devices based thereon, and methods of making the membranes. In various embodiments, the membranes and devices can be used for hydrogen production, such as in a fuel-cell.Type: ApplicationFiled: April 9, 2007Publication date: December 16, 2010Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Shriram Ramanathan, Annamalai Karthikeyan
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Publication number: 20100316909Abstract: 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: ApplicationFiled: August 20, 2010Publication date: December 16, 2010Inventors: Michel Armand, John B. Goodenough, Akshaya K. Padhi, Kirakodu S. Nanjundaswamy, Christian Masquelier
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Publication number: 20100310935Abstract: 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: ApplicationFiled: August 20, 2010Publication date: December 9, 2010Inventors: Michel B. Armand, John B. Goodenough, Akshaya K. Padhi, Kirakadu S. Nanjundaswamy, Christian Masquelier
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Patent number: 7824581Abstract: The present invention includes an electrochemical redox active material. The electrochemical redox active material includes a cocrystalline metallic compound having a general formula AxMO4?yXOy.M?O, where A is at least one metallic element selected from a group consisting of alkali metals, M and M? may be identical or different and independently of one another at least one selected from a group consisting of transition metals and semimetals, X is P or As, 0.9?x?1.1, and 0<y<4.Type: GrantFiled: June 18, 2007Date of Patent: November 2, 2010Assignee: Advanced Lithium Electrochemistry Co., Ltd.Inventors: Ben-Jie Liaw, Yu-Fang Chen, Wen-Ren Liu, Sheng-Shih Chang
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Publication number: 20100273665Abstract: The present invention provides a sensor apparatus based on 2D films or 3D assemblies of cubic nanoparticles capped with an organic coating. The apparatus is used to determine the composition and preferably measure the concentration of volatile and non-volatile compounds in a sample, with very high sensitivity. Methods for use of the apparatus in applications such as diagnosis of disease, food quality and environmental control are disclosed.Type: ApplicationFiled: November 20, 2008Publication date: October 28, 2010Applicant: TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.Inventors: Hossam Haick, Ekaterina Dovgolevsky
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Patent number: 7820324Abstract: A battery with a high capacity and superior cycle characteristics and an anode active material used for it are provided. An anode contains an anode active material capable of reacting with lithium. The anode active material contains tin, cobalt, and carbon, and further contains at least one from the group consisting of indium, niobium, germanium, titanium, molybdenum, aluminum, phosphorus, and bismuth. Further, in the anode active material, the carbon content is from 9.9 wt % to 29.7 wt %, and the ratio of cobalt to the total of tin and cobalt is from 30 wt % to 70 wt %. Further, coordination number of cobalt as a first neighboring atom around tin obtained by the radial structure function calculated based on one scattering theory of X-ray absorption spectroscopy is 4 or less.Type: GrantFiled: November 7, 2005Date of Patent: October 26, 2010Assignee: Sony CorporationInventors: Satoshi Mizutani, Yoshihiro Kudo
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Patent number: 7815820Abstract: An electromagnetic interference shielding composite is provided. The electromagnetic interference shielding composite comprises: a high permittivity polymer having a permittivity of at least about 5; a plurality of magnetic particles dispersed within the high permittivity polymer; and a plurality of dielectric particles dispersed within the high permittivity polymer. In another embodiment, an article comprising a device susceptible to electromagnetic radiation and a shielding material disposed to shield the device from electromagnetic radiation is provided. The shielding material comprises, a high permittivity polymer; a plurality of magnetic particles dispersed within the high permittivity polymer; and plurality of dielectric particles dispersed within the high permittivity polymer.Type: GrantFiled: October 18, 2007Date of Patent: October 19, 2010Assignee: General Electric CompanyInventors: Daniel Qi Tan, Yang Cao, Patricia Chapman Irwin
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Publication number: 20100258184Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Brian J. Laughlin, Alan Frederick Carroll, Kenneth Warren Hang, Yueli Wang
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Publication number: 20100258165Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Alan Frederick Carroll, Brian J. Laughlin, Kenneth Warren Hang, Yueli Wang
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Publication number: 20100258769Abstract: The present invention relates to optically variable pigments of high electrical conductivity which comprise a flake-form substrate, which essentially consists of silicon dioxide and/or silicon oxide hydrate, and an electrically conductive layer surrounding the substrate, to a process for the preparation thereof, and to the use of pigments of this type.Type: ApplicationFiled: December 11, 2008Publication date: October 14, 2010Applicant: Merck Patent GmbHInventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
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Publication number: 20100258166Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Brian J. Laughlin, Alan Frederick Carroll, Kenneth Warren Hang, Yueli Wang, Takuya Konno
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Patent number: 7811478Abstract: The present invention provides a positive-electrode active material powder, which comprises a granular material (A) capable of doping/dedoping lithium ions and a deposit (B) placed on the surface of the material in a granular or layered form (herein, the material (A) and the deposit (B) are not the same), the percentage of [volumetric sum of particles having a particle diameter of 1 ?m or less]/[volumetric sum of entire particles] being 5% or less.Type: GrantFiled: March 12, 2007Date of Patent: October 12, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Takashi Yoshida, Kenji Nakane