Manganese (e.g., Manganate, Etc.) Patents (Class 423/599)
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Publication number: 20150105246Abstract: The effect of aging temperature on oxygen storage materials (OSM) substantially free from platinum group (PGM) and rare earth (RE) metals is disclosed. Samples of ZPGM-ZRE metals OSM, hydrothermally aged at a plurality of high temperatures are found to have significantly high oxygen storage capacity (OSC) and phase stability than conventional PGM catalysts with Ce-based OSM. ZPGM-ZRE metals OSM includes a formulation of Cu—Mn stoichiometric spinel structure deposited on Nb—Zr oxide support and may be converted into powder to be used as OSM application or coated onto catalyst substrate. ZPGM-ZRE metals OSM, after aging condition, presents enhanced level of thermal stability and OSC property which shows improved catalytic activity than conventional PGM catalysts including Ce-based OSM. ZPGM-ZRE metals OSM may be suitable for a vast number of applications, and more particularly in underfloor catalyst systems.Type: ApplicationFiled: July 17, 2014Publication date: April 16, 2015Inventors: Zahra Nazarpoor, Stephen J. Golden
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Patent number: 8992794Abstract: A method for preparing a layered oxide cathode using a two step calcination procedure, wherein the first step includes pre-calcination utilizing a rotary calciner.Type: GrantFiled: June 24, 2011Date of Patent: March 31, 2015Assignee: BASF CorporationInventors: Ivan Petrovic, Anthony Thurston, Stephen Sheargold
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Patent number: 8980475Abstract: Process for preparing lithium mixed metal oxides which comprise essentially lithium, manganese, cobalt and nickel as metal atoms and have a stoichiometric ratio of lithium to the total transition metals of greater than 1, which comprises a) the preparation of a mixture designated as intermediate (B) which comprises essentially lithium-comprising mixed metal hydroxides and lithium-comprising mixed metal oxide hydroxides, where manganese, cobalt and nickel are comprised in the ratio (1-a-b):a:b and the oxidation state averaged over all ions of manganese, cobalt and nickel is at least 4-1.75a-1.75b, where 0?a?0.5 and 0.1?b?0.8, by a thermal treatment carried out with continual mixing and in the presence of oxygen of a mixture (A) comprising at least one transition metal compound and at least one lithium salt (L), during which L does not melt, and b) the thermal treatment carried out without mixing and in the presence of oxygen of the intermediate (B).Type: GrantFiled: June 23, 2011Date of Patent: March 17, 2015Assignee: BASF SEInventors: Simon Schroedle, Hartmut Hibst, Jordan Keith Lampert, Mark Schweter, Ivan Petrovic
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Patent number: 8974764Abstract: A composition is described that includes a perovskite of the formula LaMO3, where M is at least one element selected from among iron, aluminum or manganese, in the form of particles dispersed on an alumina or aluminum oxyhydroxide substrate, wherein after calcination at 700° C. for 4 hours, the perovskite is in the form of a pure crystallographic phase, and in that the size of the perovskite particles does not exceed 15 nm. The described composition can be used in the field of catalysis.Type: GrantFiled: February 25, 2010Date of Patent: March 10, 2015Assignee: Rhodia OperationsInventors: Simon Ifrah, Olivier Larcher, Rui Jorge Coelho Marques, Michael Lallemand, Julien Hernandez
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Publication number: 20150037678Abstract: Provided are a cathode active material including polycrystalline lithium manganese oxide and a sodium-containing coating layer on a surface of the polycrystalline lithium manganese oxide, and a method preparing the same. Since the cathode active material according to an embodiment of the present invention may prevent direct contact between the polycrystalline lithium manganese oxide and an electrolyte solution by including the sodium-containing coating layer on the surface of the polycrystalline lithium manganese oxide, the cathode active material may prevent side reactions between the cathode active material and the electrolyte solution. In addition, since limitations, such as the Jahn-Teller distortion and the dissolution of Mn2+, may be addressed by structurally stabilizing the polycrystalline lithium manganese oxide, tap density, life characteristics, and charge and discharge capacity characteristics of a secondary battery may be improved.Type: ApplicationFiled: October 15, 2014Publication date: February 5, 2015Applicant: LG Chem, Ltd.Inventors: Ick Soon Kwak, Seung Beom Cho, Hwa Seok Chae
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Publication number: 20150034861Abstract: In at least one embodiment, a rechargeable battery is provided comprising an anode having an active material including MSb2O4 having a purity level of greater than 93 percent by weight, wherein M is a metal. The metal may have an oxidation state of 2+ and may include transition metals and/or alkali-earth metals. The anode active material may be synthesized using metal acetates or metal oxides. The synthesis may include heating at a first temperature to remove oxygen and water and reacting at a second temperature to form the MSb2O4 structure, which may be a spinel crystal structure.Type: ApplicationFiled: July 30, 2013Publication date: February 5, 2015Applicant: Ford Global Technologies, LLCInventor: Kevin James Rhodes
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Patent number: 8932545Abstract: A method is provided for the synthesis of a mesoporous lithium transition metal compound, the method comprising the steps of (i) reacting a lithium salt with one or more transition metal salts in the presence of a surfactant, the surfactant being present in an amount sufficient to form a liquid crystal phase in the reaction mixture (ii) heating the reaction mixture so as to form a sol-gel and (iii) removing the surfactant to leave a mesoporous product. The mesoporous product can be an oxide, a phosphate, a borate or a silicate and optionally, an additional phosphate, borate or silicate reagent can be added at step (i). The reaction mixture can comprise an optional chelating agent and preferably, the reaction conditions at steps (i) and (ii) are controlled so as to prevent destabilization of the liquid crystal phase. The invention is particularly suitable for producing mesoporous lithium cobalt oxide and lithium iron phosphate.Type: GrantFiled: October 19, 2009Date of Patent: January 13, 2015Assignee: Qinetiq LimitedInventors: Gary Owen Mepsted, Emmanuel Imasuen Eweka
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Patent number: 8926860Abstract: The present invention relates to a cathode active material with whole particle concentration gradient for a lithium secondary battery, a method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite cathode active material, a method for manufacturing same, and a lithium secondary battery having same, the composite cathode active material having excellent lifetime characteristics and charge/discharge characteristics through the stabilization of crystal structure as the concentration of a metal comprising the cathode active material shows concentration gradient in the whole particle, and having thermostability even in high temperatures.Type: GrantFiled: December 27, 2011Date of Patent: January 6, 2015Assignee: Industry-University Cooperation Foundation Hanyang UniversityInventors: Yang-Kook Sun, Hyung Joo Noh
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Patent number: 8906553Abstract: A cathode electrode material for use in rechargeable Li-ion batteries, based on the integration of two Li-based materials of NASICON- and Spinel-type structures, is described in the present invention. The structure and composition of the cathode can be described by a core material and a surface coating surrounding the core material, wherein the core of the cathode particle is of the formula LiMn2-xNixO4?? (0.5?x?0 & 0???1) and having a spinel crystal structure, the surface coating is of the formula Li1+xMxTi2-x(PO4)3 (M: is a trivalent cation, 0.5?x?0) having a NASICON-type crystal structure.Type: GrantFiled: February 28, 2011Date of Patent: December 9, 2014Assignee: NEI CorporationInventors: Nader Marandian Hagh, Farid Badway, Ganesh Skandan
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Publication number: 20140353547Abstract: Provided is a new spinel type lithium manganese transition metal oxide for use in lithium batteries, which can increase the capacity retention ratio during cycling, and can increase the power output retention ratio during cycling. Disclosed is a spinel type lithium manganese transition metal oxide having an angle of repose of 50° to 75°, and having an amount of moisture (25° C. to 300° C.) measured by the Karl Fischer method of more than 0 ppm and less than 400 ppm.Type: ApplicationFiled: December 27, 2012Publication date: December 4, 2014Inventors: Tetsuya Mitsumoto, Hitohiko Ide, Shinya Kagei, Yoshimi Hata, Natsumi Shibamura
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Patent number: 8900752Abstract: A lead manganese-based cathode material is provided. Furthermore, a lithium or lithium ion rechargeable electrochemical cell is provided incorporating lead manganese-based cathode material in a positive electrode. In addition, a process for preparing a stable lead manganese-based cathode material is provided.Type: GrantFiled: October 19, 2011Date of Patent: December 2, 2014Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Terrill B. Atwater, Arek Suszko
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Patent number: 8900537Abstract: A template-free reverse micelle (RM) based method is used to synthesize pyrochlore nanostructures having photocatalytic activity. In one embodiment, the method includes separately mixing together a first acid stabilized aqueous solution including pyrochlore precursor A and a second acid stabilized aqueous solution including pyrochlore precursor B with an organic solution including a surfactant to form an oil-in-water emulsion. Next, equimolar solutions of the first and second acid stabilized oil-in-water emulsions are mixed together. Then, the mixture of the first and second acid stabilized oil-in-water emulsion is treated with a base to produce a precipitate including pyrochlore precursors A and B. After which, the precipitate is dried to remove volatiles. The precipitate is then calcined in the presence of oxygen to form a pyrochlore nanostructure, such as a bismuth titanate (Bi2Ti2O7) pyrochlore nanorod. The method of synthesizing the pyrochlore nanorod is template-free.Type: GrantFiled: May 11, 2011Date of Patent: December 2, 2014Assignee: Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, RenoInventors: Vaidyanathan Subramanian, Sankaran Murugesan
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Patent number: 8900756Abstract: A fluorine-modified lithium manganese-based AB2O4 spinel cathode material is provided. Furthermore, a lithium or lithium ion rechargeable electrochemical cell is provided incorporating fluorine-modified lithium manganese-based AB2O4 spinel cathode material in a positive electrode. In addition, a process for preparing a stable fluorine-modified lithium manganese-based AB2O4 spinel cathode material is provided.Type: GrantFiled: April 7, 2011Date of Patent: December 2, 2014Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Terrill B. Atwater, Paula C. Tavares
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Publication number: 20140332715Abstract: To increase the amount of lithium ions that can be received and released in and from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A composite material of crystallites of LiMn2O4 (crystallites with a spinel crystal structure) and crystallites of Li2MnO3 (crystallites with a layered rock-salt crystal structure) is used as a positive electrode active material. The lithium manganese oxide composite has high structural stability and high capacity.Type: ApplicationFiled: May 8, 2014Publication date: November 13, 2014Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Takahiro KAWAKAMI, Shuhei Yoshitomi, Teruaki Ochiai, Satoshi Seo, Yohei Momma, Yumiko Saito
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Publication number: 20140326918Abstract: A system and method thereof are provided for multi-stage processing of one more precursor compounds into a battery material. The system includes a mist generator, a drying chamber, one or more gas-solid separators, and one or more in-line reaction modules comprised of one or more gas-solid feeders, one or more gas-solid separators, and one or more reactors. Various gas-solid mixtures are formed within the internal plenums of the drying chamber, the gas-solid feeders, and the reactors. In addition, heated air or gas is served as the energy source within the processing system and as the gas source for forming the gas-solid mixtures to facilitate reaction rate and uniformity of the reactions therein. Precursor compounds are continuously delivered into the processing system and processed in-line through the internal plenums of the drying chamber and the reaction modules into final reaction particles useful as a battery material.Type: ApplicationFiled: May 23, 2013Publication date: November 6, 2014Inventor: LIang-Yuh Chen
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Patent number: 8877381Abstract: A composite oxide is produced via the following: a raw-material mixture preparation step of 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 one or more kinds of Mn-containing metallic compounds being selected from the group consisting of oxides, hydroxides and metallic salts that include 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 hydroxide with respect to the lithium nitrate (i.e., (Lithium Hydroxide)/(Lithium Nitrate)) that falls in a range of from 0.05 or more to less than 1 by molar ratio; a molten reaction step of reacting said raw-material mixture at from 300° C. or more to 550° C. or less by melting it: and a recovery step of recovering said composite oxide being generated from said raw-material mixture that has undergone the reaction.Type: GrantFiled: March 7, 2011Date of Patent: November 4, 2014Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Naoto Yasuda, Hitotoshi Murase, Ryota Isomura
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Patent number: 8877382Abstract: A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed.Type: GrantFiled: May 24, 2011Date of Patent: November 4, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Min-Han Kim, Do-Hyung Park, Seon-Young Kwon, Yu-Mi Song, Ji-Hyun Kim, Kyoung-Hyun Kim
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Patent number: 8853116Abstract: A method of forming composition-modified barium titanate ceramic particulate includes mixing a plurality of precursor materials and a precipitant solution to form an aqueous suspension. The plurality of precursors include barium nitrate, titanium chelate, and a metal or oxometal chelate. The precipitant solution includes tetraalkylammonium hydroxide and tetraalkylammonium oxalate. The method further includes treating the aqueous suspension at a temperature of at least 150° C. and a pressure of at least 200 psi, and separating particulate from the aqueous suspension after treating.Type: GrantFiled: May 10, 2010Date of Patent: October 7, 2014Assignee: EEStor, Inc.Inventors: Richard D. Weir, Carl W. Nelson
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Patent number: 8852811Abstract: According to the present invention, there is provided a process for producing lithium manganate particles having a high output and an excellent high-temperature stability. The present invention relates to a process for producing lithium manganate particles comprising the steps of mixing a lithium compound, a manganese compound and a boron compound with each other; and calcining the resulting mixture in a temperature range of 800 to 1050° C., wherein an average particle diameter (D50) of the boron compound is not more than 15 times an average particle diameter (D50) of the manganese compound, and wherein the lithium manganate particles have a composition represented by the following chemical formula: Li1+xMn2-x-yY1yO4+B in which Y1 is at least one element selected from the group consisting of Ni, Co, Mg, Fe, Al, Cr and Ti, and x and y satisfy the conditions of 0.03?x?0.15 and 0?y?0.20, respectively.Type: GrantFiled: September 16, 2009Date of Patent: October 7, 2014Assignee: Toda Kogyo CorporationInventors: Kazumichi Koga, Masayuki Uegami, Hiroaki Masukuni, Kazutoshi Matsumoto
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Publication number: 20140271388Abstract: Optimized Cu—Mn spinel compositions, with optimal spinel phase formation and phase stability properties, for a plurality of ZPGM catalysts in underfloor and closed-loop coupled catalyst applications are disclosed. Plurality of Cu—Mn spinel compositions are prepared with variations of molar ratios. Effect of calcination temperature is analyzed to determine spinel phase formation and phase stability, as well as the effect of calcination temperature on lattice parameter of spinel, as correlated to spinel phase formation and phase stability of optimal Cu—Mn spinel compositions disclosed. Disclosed Cu—Mn spinels with enhanced spinel phase formation and phase stability may be suitable for ZPGM catalyst systems used in a vast number of TWC applications.Type: ApplicationFiled: December 5, 2013Publication date: September 18, 2014Applicant: CDTIInventors: Zahra Nazarpoor, Stephen J. Golden
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Publication number: 20140272579Abstract: A compound MjXp which is particularly suitable for use in a battery prepared by the complexometric precursor formulation methodology wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j is an integer representing the moles of said positive ion per moles of said MjXp; and Xp, a negative anion or polyanion from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p is an integer representing the moles of said negative ion per moles of said MjXp.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: PERFECT LITHIUM CORP.Inventor: Teresita Frianeza-Kullberg
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Publication number: 20140274677Abstract: It is an object of the present disclosure, to provide an oxygen storage material which may include optimum composition and structure of Cu—Mn spinel as OSM, with a suitable doped zirconia, including Niobium-Zirconia support oxide for OSM applications, which may include a chemical composition substantially free from rare metals. The OSC properties of Cu—Mn spinel with a suitable doped zirconia, including Niobium-Zirconia support oxide as OSM may be determined by comparing variations of Cu—Mn composition for determination of the optimum structure of spinel to achieve optimal OSC properties and thermal stability, which may be particularly useful for treating exhaust gases produced by internal combustion engines, where lean/rich fluctuations in operating conditions may produce high variation in exhaust contaminants that may be removed, achieving optimal OSC property of spinel at different temperatures, as well as thermal stability behavior of OSM.Type: ApplicationFiled: December 5, 2013Publication date: September 18, 2014Applicant: CDTIInventor: Zahra Nazarpoor
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Patent number: 8821766Abstract: The present invention aims at providing lithium manganate having a high output and an excellent high-temperature stability. The above aim can be achieved by lithium manganate particles having a primary particle diameter of not less than 1 ?m and an average particle diameter (D50) of kinetic particles of not less than 1 ?m and not more than 10 ?m, which are substantially in the form of single crystal particles and have a composition represented by the following chemical formula: Li1+xMn2-x-yYyO4 in which Y is at least one element selected from the group consisting of Al, Mg and Co; x and y satisfy 0.03?x?0.15 and 0.05?y?0.20, respectively, wherein the Y element is uniformly dispersed within the respective particles, and an intensity ratio of I(400)/I(111) thereof is not less than 33% and an intensity ratio of I(440)/I(111) thereof is not less than 16%.Type: GrantFiled: March 7, 2013Date of Patent: September 2, 2014Assignee: Toda Kogyo CorporationInventors: Masayuki Uegami, Akihisa Kajiyama, Kazutoshi Ishizaki, Hideaki Sadamura
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Patent number: 8815204Abstract: Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency.Type: GrantFiled: August 22, 2013Date of Patent: August 26, 2014Assignee: LG Chem, Ltd.Inventors: Hong Kyu Park, Sun sik Shin, Sin young Park, Ho suk Shin, Jens M. Paulsen
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Patent number: 8815767Abstract: Mixed oxides catalysts usable in particular in the full oxidation to CO2 and H2O of volatile organic compounds (VOC), in the decomposition of nitrogen protoxide to nitrogen and oxygen and the combustion of CO, H2 and CH4 off gases in fuel cells, comprising oxides of manganese, copper and La2O3 and/or Nd2O3, having a percentage composition by weight expressed as MnO, CuO, La2O3 and/or Nd2O3 respectively of 35-56%, 19-31% and 20-37%. The oxides are supported on inert porous inorganic oxides, preferably alumina.Type: GrantFiled: November 4, 2009Date of Patent: August 26, 2014Assignee: Sued-Chemie Catalysts Italia S.R.L.Inventors: Alberto Cremona, Marvin Estenfelder, Edoardo Vogna
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Publication number: 20140225031Abstract: A lithium-rich lithium metal complex oxide contains at least 50 mol % of Mn with respect to a total amount of metals other than lithium, and at least one other metal. The lithium metal complex oxide has a tapped density in a range of 1.0 g/ml to 2.0 g/ml.Type: ApplicationFiled: September 26, 2012Publication date: August 14, 2014Inventors: Taiki Yasuda, Takaaki Masukawa
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Publication number: 20140227925Abstract: A novel metal polyoxide is a compound in which a plurality of oxygen elements are coupled to a transition metal element, and shows surface electrical resistance in addition to antibacterial and deodorizing activities. More specifically, the metal polyoxide contains manganese (III) molybdate and cobalt (III) molybdate having a novel structure. A preparation method thereof and a preparation method of a functional fiber or textile prepared using the same are provided.Type: ApplicationFiled: August 24, 2012Publication date: August 14, 2014Inventors: Seung Won Kook, Alexandru Botar
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Patent number: 8801960Abstract: 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: GrantFiled: January 31, 2008Date of Patent: August 12, 2014Assignee: Hitachi Maxell, Ltd.Inventors: Atsushi Ueda, Kazutaka Uchitomi, Shigeo Aoyama
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Patent number: 8795897Abstract: Provided is a cathode active material containing a Ni-based lithium mixed transition metal oxide. More specifically, the cathode active material comprises the lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification, which is prepared by a solid-state reaction of Li2CO3 with a mixed transition metal precursor under an oxygen-deficient atmosphere, and has a Li2CO3 content of less than 0.07% by weight of the cathode active material as determined by pH titration. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure.Type: GrantFiled: April 25, 2013Date of Patent: August 5, 2014Assignee: LG Chem, Ltd.Inventors: Hong Kyu Park, Sun sik Shin, Sin young Park, Ho suk Shin, Jens M. Paulsen
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Patent number: 8784770Abstract: Provided is a lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 (M, x and y are as defined in the specification) having mixed transition metal oxide layers (“MO layers”) comprising Ni ions and lithium ions, wherein lithium ions intercalate into and deintercalate from the MO layers and a portion of MO layer-derived Ni ions are inserted into intercalation/deintercalation layers of lithium ions (“reversible lithium layers”) thereby resulting in the interconnection between the MO layers. The lithium mixed transition metal oxide of the present invention has a stable layered structure and therefore exhibits improved stability of the crystal structure upon charge/discharge. In addition, a battery comprising such a cathode active material can exhibit a high capacity and a high cycle stability.Type: GrantFiled: March 13, 2013Date of Patent: July 22, 2014Assignee: LG Chem, Ltd.Inventors: Hong Kyu Park, Sun sik Shin, Sin young Park, Ho suk Shin, Jens M. Paulsen
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Publication number: 20140196412Abstract: The invention provides a food decay odor controller which includes a mercaptan remover.Type: ApplicationFiled: January 17, 2013Publication date: July 17, 2014Applicant: Multisorb Technologies, Inc.Inventor: George E. McKedy
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Publication number: 20140186706Abstract: A method is presented for fabricating an anode preloaded with consumable metals. The method provides a material (X), which may be one of the following materials: carbon, metals able to be electrochemically alloyed with a metal (Me), intercalation oxides, electrochemically active organic compounds, and combinations of the above-listed materials. The method loads the metal (Me) into the material (X). Typically, Me is an alkali metal, alkaline earth metal, or a combination of the two. As a result, the method forms a preloaded anode comprising Me/X for use in a battery comprising a M1YM2Z(CN)N·MH2O cathode, where M1 and M2 are transition metals. The method loads the metal (Me) into the material (X) using physical (mechanical) mixing, a chemical reaction, or an electrochemical reaction. Also provided is preloaded anode, preloaded with consumable metals.Type: ApplicationFiled: March 6, 2014Publication date: July 3, 2014Applicant: Sharp Laboratories of America, Inc.Inventors: Long Wang, Yuhao Lu, Jong-Jan Lee
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Patent number: 8765305Abstract: The present invention relates to a cathode active material for a lithium secondary battery and a process for preparing the same. In accordance with the present invention, the cathode active material having a high packing density was designed and synthesized and thus provided is a cathode active material for a lithium secondary battery exhibiting structural stability such as improved characteristics for charge/discharge, service life and high-rate and thermal stability, by modifying surface of the electrode active material with amphoteric or basic compounds capable of neutralizing acid produced around the cathode active material.Type: GrantFiled: November 17, 2004Date of Patent: July 1, 2014Assignee: Industry-University Cooperation Foundation, Hanyang UniversityInventors: Yang Kook Sun, Myoung Hun Lee, Yoon Jung Kang, Gil Ho Kim
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Publication number: 20140141331Abstract: The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same. Provided is a cathode active material composed of a lithium-excess lithium metal composite compound including Li2MnO3 having a layered structure, and doped with a fluoro compound, wherein an FWHM (half value width) value is within a range from 0.164 degree to 0.185 degree.Type: ApplicationFiled: November 19, 2013Publication date: May 22, 2014Applicant: SAMSUNG FINE CHEMICALS CO., LTDInventors: Misun Lee, Jongseok Moon, Taehyeon Kim, Shin Jung Choi
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Publication number: 20140127398Abstract: This invention relates to methods of preparing positive electrode materials for electrochemical cells and batteries. It relates, in particular, to a method for fabricating lithium-metal-oxide electrode materials for lithium cells and batteries. The method comprises contacting a hydrogen-lithium-manganese-oxide material with one or more metal ions, preferably in an acidic solution, to insert the one or more metal ions into the hydrogen-lithium-manganese-oxide material; heat-treating the resulting product to form a powdered metal oxide composition; and forming an electrode from the powdered metal oxide composition.Type: ApplicationFiled: January 14, 2014Publication date: May 8, 2014Applicant: UCHICAGO ARGONNE, LLCInventors: Michael M. THACKERAY, Sun-Ho KANG, Mahalingam BALASUBRAMANIAN, Jason CROY
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Publication number: 20140127125Abstract: The present invention relates to a method for preparing lithium manganese oxide used as a lithium adsorbent and, more particularly, to a method for preparing lithium manganese oxide by a solid-phase reaction. According to the preparation method of the present invention, since the entire reaction is carried out only by the solid-phase reaction, it is possible to solve the problem of waste fluids produced during a conventional liquid-phase reaction, and the preparation method of the present invention is a single process, which is suitable for mass production.Type: ApplicationFiled: May 4, 2012Publication date: May 8, 2014Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES (KIGAM)Inventors: Kang-Sup Chung, Tae Gong Ryu, Byoung Gyu Kim, Jung Ho Ryu
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Patent number: 8703341Abstract: With the object of providing a positive electrode active material for lithium battery that can increase the filling density, can increase the output characteristics, and furthermore, with a small voltage decrease during conservation at high temperature in a charged state, a positive electrode active material for lithium battery is proposed, containing a spinel type (Fd3-m) lithium transition metal oxide represented by general formula Li1+xM2?xO4?? (where M represents a transition metal including Mn, Al and Mg, x represents 0.01 to 0.08 and 0??) and a boron compound, the inter-the atomic distance Li—O of the spinel type lithium transition metal oxide being 1.971 ? to 2.006 ?, and the amount of magnetic substance measured for the positive electrode active material for lithium battery being 600 ppb or less.Type: GrantFiled: March 31, 2010Date of Patent: April 22, 2014Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Shinya Kagei, Keisuke Miyanohara, Yoshimi Hata, Yasuhiro Ochi, Kenji Sasaki
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Publication number: 20140077127Abstract: Electrode materials such as LixMnO2 where 0.2<x?2 compounds for use with rechargeable lithium ion batteries can be formed by mixing LiMn2O4 compounds or manganese dioxide compounds with lithium metal or stabilized and non-stabilized lithium metal powders.Type: ApplicationFiled: November 21, 2013Publication date: March 20, 2014Inventors: Yuan Gao, Marina Yakovleva, Kenneth Brian Fitch
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Patent number: 8663847Abstract: It is an object of the present invention to provide a positive electrode material having a large ratio of the discharge capacity around 4 V to the total discharge capacity including the discharge capacity at 4V or lower while making the discharge capacity around 4 V sufficient, for the purpose of providing a lithium secondary battery using a lithium transition metal phosphate compound excellent in thermal stability, utilizing the discharge potential around 4V (vs. Li/Li+) that is higher than the discharge potential of LiFePO4, and being advantageous with respect to the detection of the end of discharge state, and a lithium secondary battery using the same. The present invention uses a positive active material for a lithium secondary battery containing a lithium transition metal phosphate compound represented by LiMn1-x-yFexCoyPO4(0.1?x?0.2, 0<y?0.2).Type: GrantFiled: November 27, 2009Date of Patent: March 4, 2014Assignee: GS Yuasa International Ltd.Inventors: Yuta Kashiwa, Mariko Kohmoto, Toru Tabuchi, Tokuo Inamasu, Toshiyuki Nukuda
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Positive electrode active material and non-aqueous electrolyte secondary battery containing the same
Patent number: 8658125Abstract: The present invention relates to a positive electrode active material comprising a lithium-containing composite oxide containing nickel with an oxidation state of 2.0 to 2.5 and manganese with an oxidation state of 3.5 to 4.0, the oxidation state determined by the shifts of energy at which absorption maximum is observed in the X-ray absorption near-K-edge structures, and to a non-aqueous electrolyte secondary battery using the same, the positive electrode active material being characterized in having a high capacity, a long storage life and excellent cycle life.Type: GrantFiled: October 23, 2002Date of Patent: February 25, 2014Assignees: Panasonic Corporation, Osaka City UniversityInventors: Tsutomu Ohzuku, Hiroshi Yoshizawa, Masatoshi Nagayama -
Patent number: 8647771Abstract: The present invention provides electrode-electrolyte composite particles for a fuel cell, which have either electrode material particles uniformly dispersed around electrolyte material particles or electrolyte material particles uniformly dispersed around electrode material particles, to enhance the electrode performance characteristics and electrode/electrolyte bonding force, as well as thermal, mechanical and electrochemical properties of the fuel cell, in a simple method without using expensive starting materials and a high temperature process.Type: GrantFiled: July 3, 2008Date of Patent: February 11, 2014Assignee: Korea Institute of Science and TechnologyInventors: Jong Ho Lee, Hae Weon Lee, Hue Sup Song, Joo Sun Kim, Ji Won Son, Hae Ryoung Kim, Hwa Young Jung
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Publication number: 20140008568Abstract: Processes and compositions for multi-transition metal-containing cathode materials for lithium ion batteries. Processes encompass providing a composition which can be a mixture of molecular precursor compounds having the formulas [LiM(x+)(OR)1+x] and [Li2M(x+)(OR)2+x]. The metal atoms, M, can be Ni, V, Co, Mn, or Fe, and the —OR groups can be alkoxy, aryloxy, heteroaryloxy, alkenyloxy, siloxy, phosphinate, phosphonate, and phosphate. The compositions can be converted and annealed to provide cathode materials.Type: ApplicationFiled: June 27, 2013Publication date: January 9, 2014Inventors: Kyle L. Fujdala, Zhongliang Zhu, Paul R. Markoff Johnson
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Publication number: 20140011085Abstract: Lithium-manganese-containing molecular precursor compounds, compositions and processes for making cathodes for lithium ion batteries. The molecular precursor compounds are soluble and provide processes to make cathode materials with controlled stoichiometry in a solution-based processes. The cathode material can be, for example, a lithium manganese oxide, a lithium manganese phosphate, or a lithium manganese silicate. Cathodes can be made as bulk material in a solid form or in solution, or in various forms including thin films.Type: ApplicationFiled: June 27, 2013Publication date: January 9, 2014Inventors: Kyle L. Fujdala, Zhongliang Zhu, Paul R. Markoff Johnson
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Publication number: 20130336871Abstract: A cosmetic material that exhibits sufficient shielding effects against UV-A and UV-B, does not color a resultant cosmetic product even when blended in cosmetic materials, and will not result in a non-powdery finish when applied to the skin, and a method for producing such a cosmetic material are provided. It is a cosmetic material with at least part of InTaO4 substituted with at least one element of Sc, Ti, V, Cr, Mn, Co, Cu, Ga, Ge, As, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Sn, Sb, Hf, W, Re, Os, Ir, Pt, Au, and Hg.Type: ApplicationFiled: November 9, 2011Publication date: December 19, 2013Applicant: IHI CORPORATIONInventors: Haruki Eguchi, Kenji Fuchigami
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Publication number: 20130317238Abstract: The present disclosure generally relates to processes, apparatuses and custom catalysts designed to depolymerize a polymer. In one embodiment, the present invention relates to a de-polymerizing apparatus, catalysts and reaction schemes to obtain useful monomers including fuel products by “in situ” reactions using coupled electromagnetic induction.Type: ApplicationFiled: December 8, 2011Publication date: November 28, 2013Inventors: Pravansu S. Mohanty, Swaminathan Ramesh
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Patent number: 8574541Abstract: The present invention provides for a process of making a Ni-based lithium transition metal oxide cathode active materials used in lithium ion secondary batteries. The cathode active materials are substantially free of Li2CO3 impurity and soluble bases.Type: GrantFiled: March 31, 2011Date of Patent: November 5, 2013Assignee: LG Chem, Ltd.Inventors: Jens M. Paulsen, Hong-Kyu Park, Yong Hoon Kwon
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Patent number: 8568684Abstract: Methods are described that have the capability of producing submicron/nanoscale particles, in some embodiments dispersible, at high production rates. In some embodiments, the methods result in the production of particles with an average diameter less than about 75 nanometers that are produced at a rate of at least about 35 grams per hour. In other embodiments, the particles are highly uniform. These methods can be used to form particle collections and/or powder coatings. Powder coatings and corresponding methods are described based on the deposition of highly uniform submicron/nanoscale particles.Type: GrantFiled: January 13, 2010Date of Patent: October 29, 2013Assignee: NanoGram CorporationInventors: Xiangxin Bi, Nobuyuki Kambe, James T. Gardner, Ronald J. Mosso, Shivkumar Chiruvolu, Sujeet Kumar, William E. McGovern
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Patent number: 8546298Abstract: An odor filtration media having a chemical reagent which removes odor causing fluid contaminants from a fluid stream through the use of granular or shaped media have a chemical composition including permanganate is provided. A method of producing the odor absorbing media having a chemical reagent is also provided and comprises the steps of mixing H2O, KMnO4, and at least one salt adding ions or ionic compounds selected from the group consisting of Na+, Li+, K+, NH4+, Cl?, SO42?, BO32?, CO32?, PO43?, NO3? and combinations thereof, or from the group consisting of Na+, Li+, K+, NH4+, Mg2+, Ca2+, Cl?, BO32?, NO3? and combinations thereof, forming an impregnating solution. The impregnating solution is heated and combined with a support material to form a coherent mass.Type: GrantFiled: March 9, 2011Date of Patent: October 1, 2013Assignee: AAF-McQuay Inc.Inventors: Michael W Osborne, Zhong C. He, Ng Cheah Wei
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Publication number: 20130251623Abstract: The present invention refers to a continuous process for in secco nanomaterial synthesis from the emulsification and detonation of an emulsion. The said process combines the simultaneous emulsification and detonation operations of the emulsion, thus assuring a production yield superior to 100 kg/h. When guaranteeing that the sensitization of the emulsion occurs mainly upon its feeding into the reactor, it is possible to avoid the accumulation of any class-1 substances along the entire synthesis process, thus turning it into an intrinsically safe process. Afterwards, dry collection of the nanomaterial avoids the production of liquid effluents, which are very difficult to process. Given that there's neither accumulation nor resort to explosive substances along the respective stages, the process of the present invention becomes a safe way of obtaining nanomaterial, thus allowing it to be implemented in areas wherein processes with hazardous substance aid are not allowed.Type: ApplicationFiled: October 18, 2011Publication date: September 26, 2013Applicant: INNOVNANO-MATERIAIS AVANÇADOS, S.A.Inventors: Sílvio Manuel Pratas Da Silva, João Manuel Calado Da Silva
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Patent number: 8540961Abstract: Provided is a method for preparing a lithium mixed transition metal oxide, comprising subjecting Li2CO3 and a mixed transition metal precursor to a solid-state reaction under an oxygen-deficient atmosphere with an oxygen concentration of 10 to 50% to thereby prepare a powdered lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification. Therefore, since the high-Ni lithium mixed transition metal oxide having a given composition can be prepared by a simple solid-state reaction in air, using a raw material that is cheap and easy to handle, the present invention enables industrial-scale production of the lithium mixed transition metal oxide with significantly decreased production costs and high production efficiency.Type: GrantFiled: October 28, 2010Date of Patent: September 24, 2013Assignee: LG Chem, Ltd.Inventors: Hong-Kyu Park, Sun Sik Shin, Sin Young Park, Ho Suk Shin, Jens M. Paulsen