Of Group Viii (i.e., Iron Or Platinum Group) Patents (Class 502/185)
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Patent number: 11962018Abstract: An electrochemical oxygen reduction catalyst comprising platinum-containing nanoparticles and at least one member selected from the group consisting of a melamine compound, a thiocyanuric acid compound, and a polymer containing the melamine compound or the thiocyanuric acid compound as a monomer is an electrochemical oxygen reduction catalyst having a high oxygen reduction activity (small overvoltage).Type: GrantFiled: May 15, 2019Date of Patent: April 16, 2024Assignee: National Institute of Advanced Industrial Science and TechnologyInventor: Masafumi Asahi
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Patent number: 11955647Abstract: Disclosed are a method for preparing a graphene dot-palladium hybrid having a nanosponge structure that includes reducing a palladium precursor in the presence of a carbon dot and sodium bromide, and a graphene dot-palladium hybrid catalyst prepared according to the method. The nanosponge structure of the graphene dot-palladium hybrid is encapsulated by a graphene dot. The carbon dot is doped with at least one heteroatom selected from the group consisting of nitrogen, sulfur, phosphorus, and boron.Type: GrantFiled: November 16, 2018Date of Patent: April 9, 2024Assignee: THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC)Inventors: Ho-Suk Choi, Van Toan Nguyen
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Patent number: 11939220Abstract: Described is a method of preparing transition metal nanoparticles on a graphene support, in which a tertiary graphite intercalation compound is provided with intercalated metal ions such that the tertiary graphite intercalation compound comprises a graphene sheet having a negative charge. The graphene sheet is contacted with a transition metal salt to cause reduction of the transition metal salt by the graphene sheet, and to form transition metal nanoparticles. Also described are products arising from the method, and uses of those products.Type: GrantFiled: February 13, 2019Date of Patent: March 26, 2024Assignee: UCL BUSINESS LTDInventors: Chris Howard, Rhodri Jervis, Daniel Brett, Gyen Angel, Patrick Cullen, Chris Gibbs
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Patent number: 11848453Abstract: Provided is a method of preparing an intermetallic catalyst which includes applying ultrasonic wave to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carbon support having an average pore size of about 6 nm to about 15 nm and a specific surface area of about 200 m2/g to about 2000 m2/g to form alloy particles in pores of the carbon support, and annealing the alloy particles in the pores of the carbon support to form intermetallic alloy particles.Type: GrantFiled: December 1, 2021Date of Patent: December 19, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Jee Youn Hwang, Eunjik Lee, Dahee Kwak, Ji-Hoon Jang, Songi Oh
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Patent number: 11824208Abstract: Provided is a method of preparing an intermetallic catalyst. The method includes form core-shell particles including a transition metal oxide coating layer by irradiating ultrasonic waves to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carrier to; forming intermetallic particles including a transition metal oxide coating layer by annealing the core-shell particles; and removing the transition metal oxide coating layer from the intermetallic particles.Type: GrantFiled: June 15, 2021Date of Patent: November 21, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Songi Oh, Jee Youn Hwang, Dahee Kwak, Ji-Hoon Jang, Eunjik Lee
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Patent number: 11738330Abstract: A method of synthesizing a doped carbonaceous material includes mixing a carbon precursor material with at least one dopant to form a homogeneous/heterogeneous mixture; and subjecting the mixture to pyrolysis in an inert atmosphere to obtain the doped carbonaceous material. A method of purifying water includes providing an amount of the doped carbonaceous material in the water as a photocatalyst; and illuminating the water containing the doped carbonaceous material with visible light such that under visible light illumination, the doped carbonaceous material generates excitons (electron-hole pairs) and has high electron affinity, which react with oxygen and water adsorbed on its surface forming reactive oxygen species (ROS), such as hydroxyl radicals and superoxide radicals, singlet oxygen, hydrogen peroxide, that, in turn, decompose pollutants and micropollutants.Type: GrantFiled: August 12, 2021Date of Patent: August 29, 2023Assignee: BOARD OF TRUSTEES OF THE UNIVERSITY OF ARKANSASInventors: Anindya Ghosh, Bijay P. Chhetri
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Patent number: 11731109Abstract: Nitrogen-doped carbon-based catalyst sheets, methods for producing such carbon-based catalyst sheets, and their use as electrocatalysts in oxygen reduction reaction (ORR). A carbon-based catalyst comprising: carbon-based sheets, wherein the carbon-based sheets comprise nitrogen and a transition metal, and wherein the carbon-based sheets further comprise a plurality of micropores, mesopores, macropores, or combinations thereof.Type: GrantFiled: January 22, 2018Date of Patent: August 22, 2023Assignee: The University of Hong KongInventors: Xiao Yan Li, Li Yuan Zhang
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Patent number: 11715834Abstract: A fuel cell catalyst for oxygen reduction reactions including Pt—Ni—Cu nanoparticles supported on nitrogen-doped mesoporous carbon (MPC) having enhanced activity and durability, and method of making said catalyst. The catalyst is synthesized by employing a solid state chemistry method, which involves thermally pretreating a N-doped MPC to remove moisture from the surface; impregnation of metal precursors on the N-doped MPC under vacuum condition; and reducing the metal precursors in a stream of CO and H2 gas mixture.Type: GrantFiled: December 27, 2019Date of Patent: August 1, 2023Assignees: Toyota Motor Engineering and Manufacturing North America, Inc., The University of AkronInventors: Li Qin Zhou, Kan Huang, Hongfei Jia, Xiaochen Shen, Zhenmeng Peng, Hisao Kato
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Patent number: 11682789Abstract: A novel and environmentally preferable method is provided for preparing solid electrolyte particles capable of making dense, flexible, Li+ conducting electrolyte thin films. Methods are also provided for using the solid electrolyte particles and/or thin films in manufacturing safer and more efficient lithium-based batteries. In particular, the method uses inorganic precursors instead of using organic precursors in preparing an aerosol and then convert the aerosol to solid powders to provide the solid electrolyte particles. The solid electrolyte particles prepared have a cubic polymorph and have a desired particle size range, and are capable of making a solid electrolyte film with a thickness less than 50 ?m.Type: GrantFiled: October 29, 2018Date of Patent: June 20, 2023Assignee: SHENZHEN XWORLD TECHNOLOGY LIMITEDInventor: Lin Chen
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Patent number: 11642658Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate; and a first catalytic region on the substrate; wherein the first catalytic region comprises a first platinum group metal (PGM) component, wherein the first PGM component comprises PGM nanoparticles, wherein the PGM nanoparticles have an average particle size of about 1 to about 20 nm with a standard deviation (SD) no more than 1 nm.Type: GrantFiled: July 26, 2019Date of Patent: May 9, 2023Assignee: Johnson Matthey Public Limited CompanyInventors: Kyoji Kitamoto, Shuhei Nagaoka, Daisuke Yokota
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Patent number: 11646418Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals. A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.Type: GrantFiled: April 6, 2021Date of Patent: May 9, 2023Assignee: Agency for Science, Technology and ResearchInventors: Suxi Wang, Xu Li, Andy Hor, Zhongxing Zhang, Kia Jia Benny Chew
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Patent number: 11643326Abstract: Provided is a method for synthesizing cobalt-incorporated carbon nanotubes (Co/MWCNTs). The method includes a step of mixing cobalt acetate, cobalt nitrate, cobalt chloride, or cobalt sulfate with multi-wall carbon nanotubes in a solvent. A method for generating hydrogen by using the Co/MWCNTs as a catalyst component is also provided herein.Type: GrantFiled: November 8, 2021Date of Patent: May 9, 2023Assignee: King Abdulaziz UniversityInventors: Narasimharao Katabathini, Bahaa M Abu-Zied, Sulaiman Yahya Alfaifi
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Patent number: 11607670Abstract: A method of preparing a mesoporous carbon composite material having a mesoporous carbon phase and preformed metal nanoparticles located within the mesoporous carbon phase. The present invention also relates to a mesoporous carbon composite material and to a substrate having a film of such mesoporous carbon composite material.Type: GrantFiled: February 20, 2018Date of Patent: March 21, 2023Assignee: TECHNISCHE UNIVERSITÄT BERLINInventors: Denis Bernsmeier, Ralph Krähnert, René Sachse
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Patent number: 11557782Abstract: Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.Type: GrantFiled: February 4, 2022Date of Patent: January 17, 2023Assignee: KOLON INDUSTRIES, INC.Inventors: Jung Ho Kim, Hyeong Su Kim
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Patent number: 11517880Abstract: Provided are a carbon-based noble metal-transition metal composite catalyst enabling high selective conversion of a carboxylic acid functional group into an alcohol functional group by pre-treating a carbon carrier including a predetermined ratio or more of mesopores, and a production method therefor.Type: GrantFiled: December 27, 2018Date of Patent: December 6, 2022Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Sun Woo Yook, Jeong Kwon Kim, Wan Jae Myeong, Bong Sik Jeon
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Patent number: 11407700Abstract: The present invention provides a process for preparing an unsaturated alcohol of the formula (I), wherein one of R1 and R2 is preferably C2-C10-alkyl or C2-C10-alkenyl containing one double bond and the other one is preferably hydrogen or methyl; R3 is preferably hydrogen; which comprises subjecting an educt composition including at least 75% by weight of an unsaturated aldehyde of the formula (II) wherein R1, R2 and R3 preferably have the above defined meanings, to a hydrogenation in the presence of a catalyst and a tertiary amine; wherein the tertiary amine is used in an amount ranging from 0.001 to 0.7% by weight, based on the total amount of the liquid reaction mixture.Type: GrantFiled: June 6, 2017Date of Patent: August 9, 2022Assignee: BASF SEInventors: Stephan Zuend, Andreas Keller, Gabriele Gralla, Wolfgang Krause
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Patent number: 11390535Abstract: The disclosure relates to a co-current co-precipitation method of CoNiO2 thermistor powders. The method comprises the steps of mixing, stirring, precipitating, aging, suction filtration, washing and drying firstly using nickel nitrate and cobalt nitrate as raw materials to obtain cobalt hydroxide, and then calcining in a tubular furnace at an inert atmosphere to prepare CoNiO2 nano powders. The method has the advantages of simple operation, low cost, short cycle, high yield and no environmental pollution, and further oxidization of the CoNiO2 nano material into NiCo2O4 thermistor powders can be effectively avoided through selection and adjustment of calcination process parameters and inert atmosphere. A high-precision, fast-response and small-volume temperature sensor material can be prepared from CoNiO2 thermistor powders obtained by the method of the disclosure.Type: GrantFiled: March 5, 2020Date of Patent: July 19, 2022Assignee: Shihezi UniversityInventors: Long Chen, Yifan Chen, Haihai Fu, Kaiwen Sun, Yan Zhao, Haoquan Li, Changchun Fan
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Patent number: 11224859Abstract: A carbon-coated transition metal nanocomposite material includes carbon-coated transition metal particles having a core-shell structure. The shell layer of the core-shell structure is a graphitized carbon layer doped with oxygen and/or nitrogen, and the core of the core-shell structure is a transition metal nanoparticle. The nanocomposite material has a structure rich in mesopores, is an adsorption/catalyst material with excellent performance, can be used for catalyzing various hydrogenation reduction reactions, or used as a catalytic-oxidation catalyst useful for the treatment of volatile organic compounds in industrial exhaust gases.Type: GrantFiled: July 27, 2018Date of Patent: January 18, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Junfeng Rong, Genghuang Wu, Jingxin Xie, Mingsheng Zong, Weiguo Lin, Peng Yu, Hongbo Ji
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Patent number: 11219883Abstract: The manufacturing method provided by the present invention provides a powder material substantially comprising Ag—Pd core-shell particles consisting of Ag core particles containing silver as a principal constituent element and a Pd shell containing palladium as a principal constituent element covering at least part of the surface of the Ag core particles, wherein hydroquinone and/or a quinone is attached to the surface of the Ag—Pd core-shell particles. Typically, when the powder material is in a dispersed state in a specific medium, a Z average particle diameter (DDLS) based on the dynamic light scattering (DLS) method is 0.1 ?m to 2 ?m, and the polydispersity index (PDI) based on the dynamic light scattering method is 0.4 or lower.Type: GrantFiled: October 11, 2019Date of Patent: January 11, 2022Inventors: Yoshiki Watanabe, Keiko Ohta, Yukiko Kikugawa
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Patent number: 11142837Abstract: Electrocatalysts of formula Al?x,BxO3??, wherein A=a metal with an acid-stable oxide and B=a platinum-group-metal (PGM), are provided, as are methods of making the electrocatalysts via rapid plasma oxidation, methods of using the electrocatalysts to catalyze e.g. oxygen evolution reactions (OERs), and devices comprising the electrocatalysts.Type: GrantFiled: September 26, 2019Date of Patent: October 12, 2021Assignee: University of Louisville Research Foundation, Inc.Inventors: Joshua Spurgeon, Mahendra K. Sunkara
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Patent number: 10991950Abstract: Embodiments provide a nanoparticle and a method for preparing the nanoparticle, as well as a membrane that includes the nanoparticle and a fuel cell that includes the membrane. The method comprises a thermal treatment method that provides from a nanoparticle comprising a structurally disordered material the nanoparticle comprising: (1) a structurally ordered core comprising a first material; and (2) a shell surrounding and further structurally aligned with the structurally ordered core and comprising a second material different from the first material. Particularly desirable is a nanoparticle comprising a Pt3Co@Pt/C structurally ordered core-shell composition supported upon a carbon support.Type: GrantFiled: October 7, 2013Date of Patent: April 27, 2021Assignee: CORNELL UNIVERSITYInventors: Héctor D. Abruña, Francis J. DiSalvo, David Muller, Deli Wang, Huolin Xin
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Patent number: 10898879Abstract: Disclosed is a visible light-activated photocatalytic coating composition comprising a visible light active photocatalytic material and an aqueous solvent.Type: GrantFiled: September 13, 2019Date of Patent: January 26, 2021Assignee: LG HAUSYS, LTD.Inventors: Joo-Hwan Seo, Dong-Il Lee, Seong-Moon Jung, Ha-Na Kim, Hye-Youn Jang
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Patent number: 10818933Abstract: Embodiments described herein relate to methods for preparing catalysts and catalyst supports. In one embodiment, transition metal carbide materials, having a nanotube like morphology, are utilized as a support for a precious metal catalyst, such as platinum. Embodiments described herein also relate to proton exchange membrane fuel cells that incorporate the catalysts described herein.Type: GrantFiled: March 10, 2017Date of Patent: October 27, 2020Assignee: UNIVERSITY OF WYOMINGInventors: Dongmei Li, Shibely Saha, Brian Leonard
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Patent number: 10807072Abstract: The present invention disclosed preparation method of a visible-light-driven CC@SnS2/SnO2 composite catalyst, and application thereof, comprising the following steps: preparing CC@SnS2 composite material in a solvent by using SnCl4.5H2O and C2H5NS as raw materials and carbon fiber cloth as a supporting material; calcining said CC@SnS2 composite material to obtain the visible-light-driven CC@SnS2/SnO2 composite catalyst. The present invention overcomes defects of the traditional methods of treating chromium-containing wastewater, including chemical precipitation, adsorption, ion exchange resin and electrolysis, and the photocatalytic technology can make full use of solar light source or artificial light source without adding adsorbent or reducing agent. In this case, the use of semiconductor photocatalyst to convert hexavalent chromium in chromium wastewater into less toxic and easily precipitated trivalent chromium greatly reduces the cost and energy consumption.Type: GrantFiled: October 27, 2018Date of Patent: October 20, 2020Assignee: SOOCHOW UNIVERSITYInventors: Jianmei Lu, Dongyun Chen
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Patent number: 10780397Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst.Type: GrantFiled: January 16, 2019Date of Patent: September 22, 2020Assignee: BASF CORPORATIONInventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
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Patent number: 10737218Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst.Type: GrantFiled: January 16, 2019Date of Patent: August 11, 2020Assignee: BASF CORPORATIONInventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
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Patent number: 10722867Abstract: Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.Type: GrantFiled: April 18, 2016Date of Patent: July 28, 2020Assignee: Archer-Daniels-Midland CompanyInventors: Gary M. Diamond, Guang Zhu, Vincent J. Murphy, Eric Dias
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Patent number: 10637072Abstract: A method for synthesis of PtNi nanocages by synthesizing Pt1Ni6 nanoparticles and acid leaching to form PtNi nanocages. The acid leaching removes nickel selectively from the core of the nanoparticle.Type: GrantFiled: June 12, 2018Date of Patent: April 28, 2020Assignee: UChicago Argonne, LLCInventors: Vojislav Stamenkovic, Gregory K. Krumdick, Rongyue Wang, Nenad Markovic, Krzysztof Pupek, Trevor L. Dzwiniel
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Patent number: 10618807Abstract: The invention provides a process for the production of hydrogen, comprising catalytically decomposing a concentrated aqueous solution of potassium formate in a reaction vessel to form bicarbonate slurry and hydrogen, discharging the hydrogen from said reaction vessel, and treating a mixture comprising the bicarbonate slurry and the catalyst with an oxidizer, thereby regenerating the catalyst. Pd/C catalysts useful in the process are also described.Type: GrantFiled: December 28, 2018Date of Patent: April 14, 2020Assignee: YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.Inventors: Yoel Sasson, Harold Wiener, Ariel Givant
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Patent number: 10483552Abstract: A catalyst containing a carbon support and a core-shell nanoparticle supported on the carbon support, wherein a core of the core-shell nanoparticle is cobalt metal not containing a heterogeneous element and the shell contains carbon. The catalyst for an oxygen reduction reaction of the present disclosure is a catalyst in which the cobalt core-carbon shell nanoparticle is supported on the carbon support through ligand stabilization and heat treatment. The catalyst can be synthesized to have high dispersibility. In particular, it can be used as an electrode catalyst of a cathode to improve the oxygen reduction activity and durability of a fuel cell operating under an alkaline atmosphere.Type: GrantFiled: March 2, 2018Date of Patent: November 19, 2019Assignee: Korea Institute of Science and TechnologyInventors: Sung Jong Yoo, Jue-hyuk Jang, So Young Lee, Jin Young Kim, Jong Hyun Jang, Hyoung-Juhn Kim, Namgee Jung, Hyun Seo Park
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Patent number: 10326145Abstract: Methods and compositions for use in the preparation of MOF-based non-PGM electrocatalysts including combining transition metal compounds with organic ligands and secondary building units to create a solid mixture, heating the solid mixture to form a MOF through a solid-state reaction, optionally heating the MOF to convert it to an electrocatalyst via pyrolysis, and optionally post-treating. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell.Type: GrantFiled: April 11, 2012Date of Patent: June 18, 2019Assignee: UChicago Argonne, LLCInventors: Di-Jia Liu, Dan Zhao
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Patent number: 10320003Abstract: A method of manufacturing a cathode with improved mass transfer capability includes (a) mixing a metal-supported catalyst with an alkane compound having a thiol group and masking a surface of the metal-supported catalyst with the alkane compound having the thiol group by coating; (b) mixing the metal-supported catalyst masked with the alkane compound having the thiol group, with a polymer electrolyte and a solvent to produce a slurry and manufacturing the cathode using the slurry; and (c) producing a membrane electrode assembly (MEA) using the cathode, an electrolyte membrane and an anode and applying a voltage to the membrane electrode assembly to remove the alkane compound having the thiol group.Type: GrantFiled: July 26, 2017Date of Patent: June 11, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Yi Choi, Hoon Hui Lee, Gi Su Doo, Hee Tak Kim
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Patent number: 10252961Abstract: A process is described for directly converting a high fructose feedstock to a product mixture including one or more lower polyols in which 1,2-propanediol is produced in preference to any other lower polyols, wherein a high fructose feed and a source of hydrogen are supplied to a reaction vessel and reacted in the presence of a copper-containing, supported ruthenium catalyst to provide the product mixture.Type: GrantFiled: February 2, 2016Date of Patent: April 9, 2019Assignee: Archer Daniels Midland CompanyInventor: Chi Cheng Ma
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Patent number: 10183252Abstract: Disclosed herein are base metal catalyst devices for removing ozone, volatile organic compounds, and other pollutants from an air flow stream. A catalyst device includes a housing, a solid substrate disposed within the housing, and a catalyst layer disposed on the substrate. The catalyst layer includes a first base metal catalyst at a first mass percent, a second base metal catalyst at a second mass percent, and a support material impregnated with at least one of the first base metal catalyst or the second base metal catalyst. The preferred catalyst composition is a combination of manganese oxide and copper oxide.Type: GrantFiled: October 29, 2015Date of Patent: January 22, 2019Assignee: BASF CorporationInventors: David M. Robinson, Mark T. Buelow, Laif R. Alden, Michael Durilla
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Patent number: 10186711Abstract: The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs).Type: GrantFiled: November 21, 2013Date of Patent: January 22, 2019Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Motor Corporation, Sandia CorporationInventors: Tochi Tudor Nwoga, Kazuo Kawahara, Wen Li, Yujiang Song, John A. Shelnutt, James E. Miller, Craig John Medforth, Yukiyoshi Ueno, Tetsuo Kawamura
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Patent number: 10167430Abstract: Embodiments of a method for producing bio-oil include hydrothermal liquefaction of a biomass (e.g., a lignocellulosic biomass) feedstock to provide a process stream comprising crude oil and an aqueous fraction. The process stream is catalytically upgraded by contact with a sulfided-ruthenium catalyst, in the absence of added hydrogen, at a temperature and pressure effective to reduce an oxygen content of the crude oil, reduce a nitrogen content of the crude oil, reduce a total acid number of the crude oil, increase a H:C mole ratio of the crude oil, reduce a density of the crude oil, reduce a moisture content of the crude oil, reduce viscosity of the crude oil, or any combination thereof, thereby producing an upgraded oil and an upgraded aqueous fraction, which are subsequently separated. The catalytic upgrading process may be a plug-flow process and/or may be performed at or near liquefaction conditions.Type: GrantFiled: June 28, 2016Date of Patent: January 1, 2019Assignee: Battelle Memorial InstituteInventors: Todd R. Hart, Douglas C. Elliott, Andrew J. Schmidt, Richard T. Hallen
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Patent number: 10090532Abstract: The present invention provides a method for producing a fuel cell electrode which is configured to be able to deliver stable electricity generation performance even if the humidity condition of the external environment is changed. Disclosed is a method for producing a fuel cell electrode comprising a catalyst layer that contains a catalyst composite-carried carbon containing platinum, a titanium oxide and an electroconductive carbon, wherein the method comprises: a first step of decreasing an amount of acidic functional groups on a surface of the catalyst composite-carried carbon by firing the catalyst composite-carried carbon at 250° C. or more; a second step of producing a catalyst ink by mixing the catalyst composite-carried carbon obtained in the first step, an ionomer, and a solvent; and a third step of forming the catalyst layer using the catalyst ink obtained in the second step.Type: GrantFiled: April 11, 2016Date of Patent: October 2, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuya Arai, Takazumi Mandokoro
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Patent number: 10016752Abstract: The method of making palladium nanoparticles is a microwave thermolysis-based method of making palladium nanoparticles from a complex of palladium(II) acetate Pd(O2CCH3)2 (or Pd(OAc)2) and a ligand. The complex of palladium(II) acetate and the ligand is melted in oleic acid and dichloromethane to form a solution. The ligand is 1-(pyridin-2-yldiazenyl)naphthalen-2-ol (C15H11N3O), which has the structure: The solution is stirred for two hours under an inert argon atmosphere, and then irradiated with microwave radiation to produce palladium nanoparticles.Type: GrantFiled: September 25, 2017Date of Patent: July 10, 2018Assignee: KING SAUD UNIVERSITYInventors: Nabil Ahmed Al-Zaqri, Ismail Khalil Warad, Ali Mohammed Alsalme, Mujeeb Abdullah Sultan
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Patent number: 9993802Abstract: Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.Type: GrantFiled: February 24, 2017Date of Patent: June 12, 2018Assignee: Archer Daniels Midland CompanyInventors: Eric L. Dias, Alfred Hagemeyer, Hong X. Jiang, James Longmire, James A. W. Shoemaker, Valery Sokolovskii, Guang Zhu, Vincent J. Murphy, Gary M. Diamond
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Patent number: 9893365Abstract: To provide electrode catalyst which has the catalyst activity and durability at a practically durable level and contributes to lowering of the cost in comparison with the conventional Pt/C catalyst. The electrode catalyst has a support and catalyst particles supported on the support. The catalyst particle has the core part, the first shell part formed on the core part, and the second shell part formed on the first shell part. The core part contains W compound including at least W carbide, the first shell part contains simple Pd, and the second shell part contains simple Pt.Type: GrantFiled: August 27, 2015Date of Patent: February 13, 2018Assignee: N.E. CHEMCAT CORPORATIONInventors: Kiyotaka Nagamori, Tomoteru Mizusaki, Yoko Nakamura, Hiroshi Igarashi, Yasuhiro Seki
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Patent number: 9783474Abstract: Described herein are processes for one-step delignification and hydrodeoxygenation of lignin fraction a biomass feedstock. The lignin feedstock is derived from by-products of paper production and biorefineries. Additionally described is a process for converting biomass-derived oxygenates to lower oxygen-content compounds and/or hydrocarbons in the liquid or vapor phase in a reactor system containing hydrogen and a catalyst comprised of a hydrogenation function and/or an oxophilic function and/or an acid function. Finally, also described herein is a process for converting biomass-derived oxygenates to lower oxygen-content compounds and/or hydrocarbons in the liquid or vapor phase in a reactor system containing hydrogen and a catalyst comprised of a hydrogenation function and/or an oxophilic function and/or an acid function.Type: GrantFiled: October 27, 2014Date of Patent: October 10, 2017Assignee: PURDUE RESEARCH FOUNDATIONInventors: William Nicholas Delgass, Rakesh Agrawal, Fabio Henrique Ribeiro, Basudeb Saha, Sara Lynn Yohe, Mahdi M Abu-Omar, Trenton Parsell, Paul James Dietrich, Ian Michael Klein
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Patent number: 9682368Abstract: Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.Type: GrantFiled: April 29, 2015Date of Patent: June 20, 2017Assignee: Rennovia Inc.Inventors: Eric L. Dias, Alfred Hagemeyer, Hong X. Jiang, James Longmire, James A. W. Shoemaker, Valery Sokolovskii, Guang Zhu, Vincent J. Murphy, Gary M. Diamond
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Patent number: 9618476Abstract: A biological sample analysis device includes a casing that encloses a biological sample delivery system hydraulically coupled to a sensor, wherein the sensor includes a plurality of Graphene transistors and each transistor covalently bonds with a biomarker causing the electrical properties of the transistor to measurably change when the biomarker is exposed to corresponding antibodies within an infected biological sample.Type: GrantFiled: April 28, 2014Date of Patent: April 11, 2017Assignee: NANOMEDICAL DIAGNOSTICS, INC.Inventor: Brett Goldsmith
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Patent number: 9550721Abstract: A method for preparing dimethyl 1,4-cyclohexanedicarboxylate (DMCD) is provided. The method includes hydrogenating dimethyl terephthalate (DMT) under a condition of a pressure of 20 to 30 kg/cm2 to continuously prepare the DMCD, and thereby increasing the selectivity of the DMCD. A method for preparing 1,4-cyclohexanedimethanol (CHDM) is further provided.Type: GrantFiled: August 20, 2015Date of Patent: January 24, 2017Assignee: China Petrochemical Development CorporationInventors: Wei-Ying Li, Shih-Yao Chao, I-Hui Lin
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Patent number: 9543569Abstract: A composition comprising at least one graphene-supported metal oxide monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds, wherein the graphene sheets are coated by at least one metal oxide such as iron oxide or titanium oxide. Also provided is an electrode comprising the aforementioned graphene-supported metal oxide monolith, wherein the electrode can be substantially free of any carbon-black and substantially free of any binder.Type: GrantFiled: March 15, 2013Date of Patent: January 10, 2017Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Monika A. Biener, Yinmin Wang, Jianchao Ye, Elijah Tylski
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Patent number: 9537155Abstract: Electrocatalysts having non-corrosive, non-carbon support particles are provided as well as the method of making the electrocatalysts and the non-corrosive, non-carbon support particles. Embodiments of the non-corrosive, non-carbon support particle consists essentially of titanium dioxide and ruthenium dioxide. The electrocatalyst can be used in fuel cells, for example.Type: GrantFiled: December 18, 2015Date of Patent: January 3, 2017Assignee: Nissan North America, Inc.Inventors: Nilesh Dale, Ellazar Niangar, Taehee Han, Kan Huang, Gregory DiLeo
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Patent number: 9527783Abstract: A catalyst for methanation of carbon dioxide, a method of preparing the catalyst, and a method of hydrogenating carbon dioxide in the presence of the catalyst in a fixed bed reactor are disclosed. The catalyst is formed by mixing ash from a biomass power plant with a nickel compound and calcining the resulting mixture. The catalyst formed by calcination includes between 2 and 20 wt. % of nickel supported on ash from combusting biomass.Type: GrantFiled: June 30, 2016Date of Patent: December 27, 2016Assignee: WUHAN KAIDI ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD.Inventors: Zhilong Wang, Yanfeng Zhang, Yilong Chen, Yongjie Xue, Leiming Tao, Zhixiang Luo, Xingcai Zheng
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Patent number: 9484583Abstract: Embodiments of electrode assemblies and fuel cells having increased catalyst durability are provided. One embodiment of an electrode assembly for a fuel cell comprises a first catalyst layer adjacent an electrolyte membrane comprising first active catalyst particles supported on first support particles having a first support size and a second catalyst layer adjacent the first catalyst layer opposite the electrolyte membrane comprising second active catalyst particles supported on second support particles having a second support size. The first support particles are a non-carbon support.Type: GrantFiled: October 14, 2013Date of Patent: November 1, 2016Assignee: Nissan North America, Inc.Inventors: Nilesh Dale, Ellazar Nianagar
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Patent number: 9452970Abstract: A method is described for the catalytic hydrogenation of aromatic nitro compounds with hydrogen to the corresponding amines in the presence of a supported catalyst comprising platinum. The method is characterized in that the catalyst comprising platinum has been modified with a tungsten compound and with a phosphorus compound in an oxidation state of <5. High yields and high selectivities are possible with the method.Type: GrantFiled: September 3, 2013Date of Patent: September 27, 2016Assignee: ALLESSA GMBHInventors: Doris Neumann, Joachim Ritzer
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Patent number: 9433926Abstract: A platinum/carbon nanotube catalyst applicable to heterogeneous asymmetric hydrogenation, which is fabricated by supporting platinum on carbon nanotube carriers, and prepared by the steps of: heating purified carbon nanotubes in nitric acid, filtering and washing the same with water until pH value of the filtrate becomes neutral, drying the carbon nanotubes; immersing the carbon nanotube carriers obtained in an aqueous chloroplatinic acid solution and carrying out ultrasonic treatment at room temperature; immersing the mixture of the carbon nanotubes and the aqueous chloroplatinic acid solution under stirring; drying the material by heating to 110° C. from room temperature and maintaining this temperature; grinding the product to fine powders, reducing the fine powders with an aqueous sodium formate solution under a heating condition, filtering and washing the product with deionized water, and drying the product.Type: GrantFiled: March 30, 2015Date of Patent: September 6, 2016Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Can Li, Zhijian Chen