Carbon Coating Patents (Class 427/122)
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Publication number: 20120199280Abstract: Methods of fabricating a plurality of carbon nanotube-bundle probes on a substrate are disclosed. In some embodiments, the method includes the following: providing a substrate having a top surface and a bottom surface; forming an array of electrically conductive pads on the top surface, the array of electrically conductive pads being formed to minor an array of pads on an integrated circuit that is to be tested; applying a catalyst for promoting growth of carbon nanotubes on each of the array of electrically conductive pads; heating the substrate in a carbon-rich environment thereby growing nanotubes extending upwardly from each of the array of electrically conductive pads and above the top surface of the substrate thereby forming a plurality of carbon nanotube-bundle probes extending upwardly above the top surface of the substrate; and capping each of the plurality of carbon nanotube-bundle probes with an electrically conductive material.Type: ApplicationFiled: September 29, 2009Publication date: August 9, 2012Inventor: Alexander Brandorff
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Publication number: 20120189905Abstract: A method for forming a negative electrode for a lithium secondary battery, includes providing a paste comprising graphite particulates comprise assembled or bound graphite particles in each of which a plurality of flat-shaped particles are assembled or bound together so that the planes of orientation are not parallel to one another, and the mixture including 3 to 10 parts by weight of the organic binder per 100 parts by weight of the graphite particulates, a binder and a solvent, coating the paste on a current collector, drying the paste coated on the current collector to form a mixture of the graphite particulates and the binder, and integrating the mixture with the current collector by pressing to provide a density of the mixture of graphite particulates and organic binder of 1.5 to 1.9 g/cm3.Type: ApplicationFiled: January 27, 2012Publication date: July 26, 2012Inventors: Yoshito ISHII, Tatsuya NISHIDA, Atsushi FUJITA, Kazuo YAMADA
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Publication number: 20120183851Abstract: The lithium secondary battery positive electrode provided by the present invention has a positive electrode collector and a positive active material layer formed on the collector. The positive active material layer is composed of a matrix phase containing at least one particulate positive active material and at least one binder, and an aggregate phase dispersed in the matrix phase, constituted by aggregation of at least one particulate positive active material and containing substantially no binder.Type: ApplicationFiled: October 2, 2009Publication date: July 19, 2012Inventors: Tomitaro Hara, Akira Tsujiko, Takeshi Abe, Sachie Yuasa, Keiko Wasada
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Publication number: 20120180307Abstract: This invention relates to a process to make a lithium-manganese-titanium-containing compound, which can be used as an electrode material in a lithium ion battery. The process dissolves the constituent materials in a polar, organic solvent to form a compound described by the formula LiMn(2-x)Ti(x)O4.Type: ApplicationFiled: January 13, 2011Publication date: July 19, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: CHENG-YU LAI
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Publication number: 20120181173Abstract: The invention relates to an electrochemical sensor for the detection of analytes in liquid media which comprises 4 layers, wherein the first layer (1) comprises a carbonaceous material deposited on a substrate, said layer forming the system of electrodes of the electrochemical sensor, formed at least by a pseudo-reference electrode, a working electrode and a counter electrode; and the fourth layer (4) comprises polythiophene deposited only on the lower end of the working electrode selected from (d1), which comprises a layer comprising a polythiophene deposited on the lower end of the working electrode and a layer comprising a non-conductive polymer gel deposited on said layer of polythiophene; (d2), which is a layer of conductive polymer gel comprising a non-conductive polymer gel and a polythiophene; and (d3), which comprises a layer comprising a polythiophene deposited on the lower end of the working electrode and a layer comprising functionalized magnetic nanoparticles deposited on said layer of polythiophType: ApplicationFiled: July 23, 2010Publication date: July 19, 2012Applicant: FUNDACION CIDETECInventors: Estibaliz Ochoteco Vaquero, Elena Jubete Diez, José Adolfo Pomposo Alonso, Hans-Jurgen Grande Telleria, Oscar A. Loaiza, German Cabañero, Georges Istamboulie, Thierry Noguer, Jean Louis Marty
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Publication number: 20120183854Abstract: The present invention relates to a process for producing a cathode, which comprises mixing: (A) sulfur, (B) carbon in an electrically conductive polymorph and (C) at least one saccharide selected from monosaccharides, disaccharides, oligosaccharides and polysaccharides, which is soluble or swellable in an acidic aqueous medium, and applying the resulting mixture to a flat carrier (D) and then optionally drying it.Type: ApplicationFiled: January 10, 2012Publication date: July 19, 2012Applicant: BASF SEInventors: Arnd Garsuch, Klaus Leitner, Tobias Joachim Koplin
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Patent number: 8221853Abstract: A method for forming a graphitic tin-carbon composite at low temperatures is described. The method involves using microwave radiation to produce a neutral gas plasma in a reactor cell. At least one organo tin precursor material in the reactor cell forms a tin-carbon film on a supporting substrate disposed in the cell under influence of the plasma. The three dimensional carbon matrix material with embedded tin nanoparticles can be used as an electrode in lithium-ion batteries.Type: GrantFiled: August 28, 2009Date of Patent: July 17, 2012Assignee: The Regents of the University of CaliforniaInventors: Marek Marcinek, Robert Kostecki
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Patent number: 8221830Abstract: Disclosed is a novel cellulose electrode having high performance, which is capable of substituting for carbon paper used as a conventional fuel cell electrode. A method of manufacturing the cellulose electrode includes cutting cellulose fibers to a predetermined length and binding the fibers, or directly weaving the fibers, thus producing a cellulose sheet, directly growing carbon nanotubes on the cellulose sheet, and supporting a platinum nano-catalyst on the surface of the carbon nanotubes using chemical vapor deposition. An electrode including the cellulose fibers and use of cellulose fibers as fuel cell electrodes are also provided. As a novel functional material for fuel cell electrodes, porous cellulose fibers having micropores are used, thereby reducing electrode manufacturing costs and improving electrode performance.Type: GrantFiled: September 9, 2008Date of Patent: July 17, 2012Assignee: Korea Institue of Energy ResearchInventors: Hee Yeon Kim, Seong Ok Han, Hong Soo Kim, Nam Jo Jeong
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Publication number: 20120177995Abstract: A secondary lithium battery having an anode comprising graphene nanosheets doped with a doping element selected from the group consisting of nitrogen, boron, sulfur, phosphorous and combinations thereof. The secondary lithium battery and the anode provide capacity and other performance without degradation during long term charge and discharge cycling.Type: ApplicationFiled: December 26, 2011Publication date: July 12, 2012Applicant: SPRINGPOWER INTERNATIONAL, INC.Inventors: Xueliang Sun, Xifei Li, Dongsheng Geng, Quanmin Yang
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Patent number: 8216636Abstract: A method of aligning nanotubes is described, where a plurality of channels is provided on a substrate (100), a suspension of nanotubes is placed on or adjacent an open surface of the channels (102) and the suspension is allowed to flow into the channels to align the nanotubes substantially parallel to the longitudinal axis of the channels (104).Type: GrantFiled: July 27, 2007Date of Patent: July 10, 2012Assignee: Nanyang Technological UniversityInventors: Bee Eng Mary Chan, Qing Zhang, Yehai Yan, Sai Li, Longqing Chen
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Publication number: 20120171566Abstract: There is disclosed an electrode for a lithium-ion battery containing (a) a fine fibrous carbon having a diameter of less than 100 nm and (b) a fibrous carbon having a diameter of 100 nm or more and/or (c) a non-fibrous conductive carbon as an electrical conducting material. This electrode for a lithium-ion battery has a small electrode surface resistance, an improved discharge capacity and excellent cycle properties.Type: ApplicationFiled: March 29, 2010Publication date: July 5, 2012Applicant: UBE INDUSTRIES, LTD.Inventors: Hideya Yoshitake, Kenji Fukuda, Hirofumi Takemoto
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Publication number: 20120164555Abstract: According to an aspect of the present invention, there is provided a collector member 10 comprising a sheet-shaped base material 11 having a carbon-containing fiber 11a and catalyst particles 12 adhered to an outer periphery of the fiber 11a, containing a noble metal or an alloy thereof, and having an average particle diameter of 0.1 to 2 ?m.Type: ApplicationFiled: March 12, 2012Publication date: June 28, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Mutsuki YAMAZAKI, Yoshihiko Nakano, Wu Mei
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Publication number: 20120161192Abstract: Provided is a transparent graphene film which is prepared by maintaining the primary reduced state of a graphene oxide thin film via chemical reduction, reducing the graphene oxide thin film with chemical vapor deposition, and doping nitrogen, thereby enhancing the conductivity and enabling the control of work function and a manufacturing method thereof. According to the present disclosure, a flexible, transparent, electrical conductivity-enhanced, and work function controllable graphene film can be large area processed and produced in large quantities so that can be applied in real industrial processes by forming a graphene oxide thin film on a substrate, performing the primary chemical reduction using a reducing agent, and performing further the secondary thermal reduction and nitrogen doping by injecting hydrogen and ammonia gas through chemical vapor deposition equipment.Type: ApplicationFiled: November 16, 2011Publication date: June 28, 2012Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sang Ouk Kim, Jin Ok Hwang, Duck Hyun Lee
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Publication number: 20120164317Abstract: Provided is a method for fabricating a polarizer. The method includes forming an unevenness structure pattern on a substrate, coating conductive nano-particles on an entire surface of the unevenness structure pattern, and planarizing an entire surface of the resultant substrate after the conductive nano-particles are coated on the unevenness structure pattern.Type: ApplicationFiled: December 19, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Zin Sig KIM, Kyu Ha Baek, Lee Mi Do
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Publication number: 20120164352Abstract: The present invention is a method for producing a composite including a matrix and a dispersed material dispersed in the matrix. The method includes introducing a raw material for dispersed material which constitutes a dispersed material into a fluid including a melt of a raw material for matrix which constitutes a matrix or a solution containing a raw material for matrix by a vapor deposition method, to obtain a composite.Type: ApplicationFiled: August 31, 2010Publication date: June 28, 2012Applicant: KEIO UNIVERSITYInventors: Atsushi Hotta, Masaaki Mori
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Patent number: 8202568Abstract: A method for making a conductive film of carbon nanotubes includes the steps of: a) preparing a carbon nanotube solution having a viscosity ranging from 1 to 50 c.p. at room temperature and containing a plurality of multi-walled carbon nanotubes; b) atomizing the carbon nanotube solution to form a plurality of atomized particles including the carbon nanotubes; c) providing a carrier gas to carry the atomized particles to a substrate disposed on a spin coating equipment; and d) spin coating the atomized particles on the substrate to form a conductive film of carbon nanotubes on a surface of the substrate.Type: GrantFiled: October 15, 2009Date of Patent: June 19, 2012Assignee: Ipcooler Technology Inc.Inventors: Kuan-Jiuh Lin, Jun-Wei Su, Ying-Chen Hsu
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Publication number: 20120148835Abstract: The present invention provides a hybrid conductive composite made from carbon nanotubes and poly(3,4-ethylenedioxythiophene)/poly(styrene-sulfonate) to reduce the surface resistivity of a transparent thermoplastic substrate. The inventive composites, which may find use in capacitive touch screen displays, require no special treatment or precautions, and are not limited by minimum or maximum component ratios. A wide variation the amounts of carbon nanotube and poly(3,4-ethylenedioxythiophene)/poly(styrene-sulfonate) allows a minimization of the adverse carbon nanotube effects on the composite transparency while producing a stable, low sheet resistance material.Type: ApplicationFiled: December 8, 2010Publication date: June 14, 2012Applicant: Bayer MaterialScience AGInventors: DENISE A. RADKOWSKI, John H. Ferguson, Robert F. Praino
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Publication number: 20120145549Abstract: A nanosensor includes a substrate including a hole which extends through the substrate, a thin layer on the substrate and including a nanopore which is connected to the hole, and a first graphene layer and a second graphene layer which are on the thin layer and spaced apart from each other centering the nanopore therebetween. A method of manufacturing the nanosensor includes forming a nanopore in a thin layer on a substrate, and forming a first graphene layer and a second graphene layer on the thin layer. The first graphene layer and the second graphene layer are spaced apart from each other centering the nanopore therebetween.Type: ApplicationFiled: July 11, 2011Publication date: June 14, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-ho CHO, Dong-ho LEE
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Publication number: 20120148842Abstract: Methods and associated structures of forming microelectronic devices are described. Those methods may include method of forming a layered nanotube structure comprising a wetting layer disposed on a nanotube, a Shottky layer disposed on the wetting layer, a barrier layer disposed on the Shottky layer, and a matrix layer disposed on the barrier layer.Type: ApplicationFiled: February 13, 2012Publication date: June 14, 2012Inventors: Nachiket Raravikar, Daewoong Suh, Chris Matayabas
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Publication number: 20120145431Abstract: A carbon nanotube conductive film and methods of manufacturing the same is disclosed. According to some exemplary embodiments, the carbon nanotube conductive layer includes a base layer, a carbon nanotube electrode layer, and a protective layer. The carbon nanotube electrode layer is formed on the base layer. The protective layer is formed on the carbon nanotube electrode layer and contains a ceramic binder to which a polarity reactor is combined in the side chain of a base framework which has hydrophobic reactors in the other side chains. The carbon nanotube transparent conductive film having increased durability without decreasing conductivity may be manufactured.Type: ApplicationFiled: April 21, 2010Publication date: June 14, 2012Inventors: Da Jeong Jeong, Yun Young Bang
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Patent number: 8197888Abstract: A dispersible nanocomposite comprising nanotubes associated with nanoplatelets. A method for creating an exfoliated nanotubes solution, aligning nanotubes and depositing them on a substrate or in matrix. In one embodiment, the method includes a nanocomposite of at least one nanotube electrostatically associated with at least one nanoplatelet. The nanoplatelets may be removed from the suspension by altering the ionic strength to create an exfoliated nanotube solution. The exfoliated nanotube solution for injection into microchannel templates and aligned deposition.Type: GrantFiled: April 30, 2008Date of Patent: June 12, 2012Assignee: The Texas A&M University SystemInventors: Hung-Jue Sue, Xing Cheng, Dazhi Sun, Huifeng Li, Chien-Chia Chu
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Publication number: 20120142832Abstract: Compositions comprising at least one polymer binder, graphene sheets, and graphite, wherein the ratio by weight of graphite to graphene sheets is from about 40:60 to about 98:2.Type: ApplicationFiled: April 3, 2010Publication date: June 7, 2012Applicant: VORBECK MATERIALS CORP.Inventors: Vipin Varma, Dan Scheffer, Carl R. Ginneman, JR., John S. Lettow
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Publication number: 20120141800Abstract: Method for coating micromechanical components of a micromechanical system, in particular a watch movement, comprising: providing a substrate component to be coated; providing said component with a diamond coating; wherein said diamond coating conductivity is increased in order to reduce dust attraction by the coated component when used in said micromechanical system. Corresponding micromechanical components and systems are also provided.Type: ApplicationFiled: June 3, 2010Publication date: June 7, 2012Applicant: The Swatch Group Research and Development Ltd.Inventors: Detlef Steinmüller, Doris Steinmüller, Herwig Drexel, Slimane Ghodbane, David Richard, Pierre Cusin
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Patent number: 8192872Abstract: Disclosed are copper foil or net comprising a Cu-nitrile compound complex formed on the surface thereof, a method for preparing the same, and a lithium secondary battery that comprises an electrode using the same copper foil or net as a collector. The lithium secondary battery, which uses a copper collector comprising a Cu-nitrile compound complex formed on the surface thereof through the application of a certain voltage level, can prevent the corrosion of Cu occurring at a voltage of 3.6V or higher under overdischarge conditions away from the normal drive condition, and thus can significantly improve the capacity restorability after overdischarge.Type: GrantFiled: December 1, 2005Date of Patent: June 5, 2012Assignee: LG Chem, Ltd.Inventors: Young Soo Kim, Soon Ho Ahn, Mi Young Son
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Publication number: 20120135292Abstract: A monolithically integrated thin-film solid-state lithium battery device to supply energy to a mobile communication device. The device includes a plurality of layers ranging from greater than 100 layers to less than 20,000 layers of lithium electrochemical cells, which may be connected in parallel or in series to conform to a spatial volume. The device also includes a polymer based coating characterized by a thickness to house the plurality of layers and configured as an exterior region for the battery device, the polymer based coating having a resistivity of 1012 ?.cm and higher. The device further includes a hermetic seal provided by the polymer-based coating to enclose and house the plurality of layers.Type: ApplicationFiled: January 23, 2012Publication date: May 31, 2012Applicant: Sakti3, Inc.Inventors: Stephen Buckingham, Svetlana Lukich, Ann Marie Sastry, Marc Langlois
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Publication number: 20120134880Abstract: The present invention relates to an apparatus for detecting one or more analytes, for example analytes selected from the group comprising nucleic acids, metabolites, peptides, proteins, hormones, pesticides, neurotransmitters, ions in blood, electrolytes, toxic gases, pH and biological warfare agents, the apparatus comprising an insulating substrate, at least one first electrode on the substrate at least one elongate nanostructure extending from and electrically connected to the or each said electrode and extending over the surface of the wafer away from the respective electrode, a passivating layer covering the or each electrode, but not all of said at least one elongate nanostructure, a well crossing the at least one elongate nanostructure extending from the or each electrode and forming a static reservoir for a liquid being investigated for the presence of at least one analyte, a reference electrode provided on said substrate within said well or insertable into said well and respective readout pads electriType: ApplicationFiled: February 23, 2011Publication date: May 31, 2012Applicant: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Tetiana Kurkina, Alexis Vlandas, Nassim Rafiefard, Ashraf Ahmad, Klaus Kern, Kannan Balasubramanian
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Publication number: 20120135306Abstract: A negative electrode for a non-aqueous electrolyte secondary battery of the invention includes: a sheet-like current collector with a plurality of through-holes; a carbon layer formed on a surface of and in the through holes of the current collector; and a mixture layer formed on a surface of the carbon layer. The mixture layer includes an active material and a conductive agent, and the active material includes a lithium-titanium containing composite oxide with a spinel crystal structure. The current collector has a void ratio of 20 to 60%. The carbon layer has an average density of 0.05 to 0.4 g/cm3. The use of this negative electrode can provide a non-aqueous electrolyte secondary battery with good rate characteristics and cycle characteristics.Type: ApplicationFiled: March 24, 2011Publication date: May 31, 2012Inventor: Hiroshi Temmyo
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Publication number: 20120126199Abstract: Apparatus and methods for forming the apparatus include nanoparticles, catalyst nanoparticles, carbon nanotubes generated from catalyst nanoparticles, and methods of fabrication of such nanoparticles and carbon nanotubes.Type: ApplicationFiled: November 18, 2011Publication date: May 24, 2012Applicant: The Trustees of Columbia University in the City of New YorkInventors: Stephen O'Brien, Limin Huang, Brian Edward White, Samuel J. Wind
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Publication number: 20120121985Abstract: A positive electrode active material provided by the present invention is formed of a lithium-nickel-containing metal phosphate compound represented by a general formula: LiNi(1?x)MxPO4(1) (in Formula (1), M is one or more metal elements selected from divalent and trivalent metal elements, and x is a number satisfying the condition 0<x<0.5). At least part of a surface of the lithium-nickel-containing metal phosphate compound is covered with carbon, and the lithium-nickel-containing metal phosphate compound covered with carbon has an olivine-type crystal structure confirmed by structure analysis by X-ray diffraction.Type: ApplicationFiled: July 31, 2009Publication date: May 17, 2012Inventor: Jun Yoshida
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Publication number: 20120121891Abstract: The present invention relates to a 3-dimensional nanostructure having nanomaterials stacked on a graphene substrate; and more specifically, to a 3-dimensional nanostructure having at least one nanomaterial selected from nanotubes, nanowires, nanorods, nanoneedles and nanoparticles grown on a reduced graphene substrate. The present invention enables the achievement of a synergy effect of the 3-dimensional nanostructure hybridizing 1-dimensional nanomaterials and 2-dimensional graphene. The nanostructure according to the present invention is excellent in flexibility and elasticity, and can easily be transferred to any substrate having a non-planar surface. Also, all junctions in nanomaterials, a metal catalyst and a graphene film system form the ohmic electrical contact, which allows the nanostructure to easily be incorporated into a field-emitting device.Type: ApplicationFiled: September 20, 2010Publication date: May 17, 2012Inventors: Sang Ouk Kim, Won Jong Lee, Duck Hyun Lee, Tae Hee Han, Ji Eun Kim, Jin Ah Lee, Keon Jae Lee
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Publication number: 20120121987Abstract: The amorphous carbon material for the negative electrode of a lithium ion secondary battery of the invention has a true density of 1.800-2.165 g/cm3, but has a true density of 2.255 g/cm3 or greater when subjected to graphitizing in an inert gas atmosphere at a temperature of 3000° C.Type: ApplicationFiled: January 27, 2012Publication date: May 17, 2012Applicant: NIPPON OIL CORPORATIONInventors: Akio SAKAMOTO, Kiwamu TAKESHITA, Masaki FUJII, Tamotsu TANO, Takashi OYAMA
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Publication number: 20120118735Abstract: Disclosed is an electrode strip for an electrochemical biosensor, which is fabricated by forming a nickel-including metal layer on a non-conductive substrate including a polymer material, forming a carbon layer thereon, and carrying out patterning.Type: ApplicationFiled: April 19, 2010Publication date: May 17, 2012Inventors: Seok-Hun Kim, Eui-Gun Kim
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Patent number: 8178155Abstract: A method of manufacturing a high surface area per unit weight carbon electrode includes providing a substrate, depositing a carbon-rich material on the substrate to form a film, and after the depositing, activating the carbon-rich material to increase the surface area of the film of carbon-rich material. Due to the activation process being after deposition, this method enables use of low cost carbon-rich material to form a carbon electrode in the capacitor. The electrode may be used in capacitors, ultracapacitors and lithium ion batteries. The substrate may be part of the electrode, or it may be sacrificial—being consumed during the activation process. The carbon-rich material may include any of carbonized material, carbon aerogel and metal oxides, such as manganese and ruthenium oxide. The activation may include exposing the carbon-rich material to carbon dioxide at elevated temperature, in the range of 300 to 900 degrees centigrade.Type: GrantFiled: January 27, 2009Date of Patent: May 15, 2012Assignee: Applied Materials, Inc.Inventor: Nag B. Patibandla
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Publication number: 20120114843Abstract: A conductive ink includes carbon nanotubes, ionic liquid, and a solvent, wherein the viscosity of the ink is 0.01 Pa·s to 10000 Pa·s.Type: ApplicationFiled: October 27, 2011Publication date: May 10, 2012Applicant: SONY CORPORATIONInventor: Koji Kadono
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Publication number: 20120111599Abstract: Systems and methods for forming conductive materials. The conductive materials can be applied using a printer in single or multiple passes onto a substrate. The conductive materials are composed of electrical conductors such as carbon nanotubes (including functionalized carbon nanotubes and metal-coated carbon nanotubes), grapheme, a polycyclic aromatic hydrocarbon (e.g. pentacene and bisperipentacene), metal nanoparticles, an inherently conductive polymer (ICP), and combinations thereof. Once the conductive materials are applied, the materials are dried and sintered to form adherent conductive materials on the substrate. The adherent conductive materials can be used in applications such as damage detection, particle removal, and smart coating systems.Type: ApplicationFiled: October 21, 2011Publication date: May 10, 2012Applicant: United States Of America as Represented by the Administrator of the National Aeronautics and SpacInventors: Luke B. Roberson, Martha K. Williams, Tracy L. Gibson, LaNetra C. Tate, Sarah J. Snyder, Craig R. Fortier
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Publication number: 20120115049Abstract: An embodiment of the invention is an air cathode having a porous membrane with at least one hydrophobic surface that contacts a conductive catalytic film that comprises single walled carbon nanotubes (SWNTs) where the nanotubes are in intimate electrical contact. The conductive film can include fullerenes, metals, metal alloys, metal oxides, or electroactive polymers in addition to the SWNTs. In other embodiments of the invention the air cathode is a component of a metal-air battery or a fuel cell.Type: ApplicationFiled: April 22, 2010Publication date: May 10, 2012Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: Andrew Gabriel Rinzler, Rajib Kumar Das, John R. Reynolds, Ryan M. Walczak
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Patent number: 8173049Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: November 22, 2010Date of Patent: May 8, 2012Assignees: ACEP Inc., University de Montreal, Centre National de la Recherche ScientifiqueInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
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Publication number: 20120103818Abstract: Improved flow through capacitors and methods for purifying aqueous solutions. Despite recent developments, the capacity of the electrodes that are used in flow-through capacitor (FTC) stacks still demands improvement. It has been surprisingly found that at least one of these objects is met by FTC electrodes that are made with current collectors coated on both sides which are dried at a temperature range from 15° C. to 120° C.Type: ApplicationFiled: May 12, 2010Publication date: May 3, 2012Applicant: VOLTEA B.V.Inventors: Hank Robert Reinhoudt, Albert Van Der Wal, Michel Macphail
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Publication number: 20120107683Abstract: A composite of electrode active material including aggregates formed by self-assembly of electrode active material nanoparticles and carbon nanotubes, and a fabrication method thereof are disclosed. This composite is in the form of a network in which at least some of the carbon nanotubes connect two or more aggregates that are not directly contacting each other, creating an entangled structure in which a plurality of aggregates and a plurality of carbon nanotube strands are intertwined. Due to the highly conductive properties of the carbon nanotubes in this composite, charge carriers can be rapidly transferred between the self-assembled aggregates. This composite may be prepared by preparing a dispersion in which the nanoparticles and/or carbon nanotubes are dispersed without any organic binders, simultaneously spraying the nanoparticles and the carbon nanotubes on a current collector through electrospray, and then subjecting the composite material formed on the current collector to a heat treatment.Type: ApplicationFiled: October 20, 2011Publication date: May 3, 2012Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Il Doo KIM, Jin Hoon CHOI
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Patent number: 8153699Abstract: A surfacing composition made of recycled paint, which requires no priming, has a non-reflective “flat” appearance, and is partially composed of dried paint. The composition provides a useful application for used or excess household paint, which would otherwise require special methods of disposal and potentially create future toxic cleanup problems. The composition is made of granular dried paint and a water-based sealer, which can be spread on a surface to repair imperfections. The surface can then be finished, and no priming is required. Due to the composition's flat appearance, the patch does not display any characteristic sheen where the repair has been made. The composition provides a simple means of recycling paint, and provides a simple and inexpensive means of repairing imperfections in walls and other surfaces while saving the step of priming the patch before painting or repainting.Type: GrantFiled: April 13, 2009Date of Patent: April 10, 2012Inventor: Larry Allen Holloway
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Publication number: 20120082877Abstract: A cathode, a method of forming the cathode and a lithium battery including the cathode. The cathode includes a current collector and a cathode active material layer disposed on the current collector; the cathode active material layer includes a lithium transition metal oxide having a spinel structure, a conductive agent, and a binder; and at least a portion of a surface of the cathode active material layer is fluorinated.Type: ApplicationFiled: August 3, 2011Publication date: April 5, 2012Applicants: Industry-University Cooperation Foundation Hanyang University, Samsung Electronics Co., Ltd.Inventors: Min-sang SONG, Han-su Kim, Jae-man Choi, Moon-seok Kwon, Un-gyu Paik, Tae-seup Song
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Publication number: 20120076927Abstract: A thermal treatment process for improving thermo-mechanical properties of ceramic matrix composite materials such as silicon carbide (SiC) matrix composites is described. The treatment process removes excess silicon and/or other process-related defects from the SiC-based matrix as well as the fiber interfacial coating. This invention can be practiced with minimal strength loss for as-fabricated composites formed from high-strength continuous-length ceramic and carbon-based fibers that are functionally stable to 1600° C. and above. The invention provides a method for significantly improving composite thermal conductivity and creep resistance, and for reducing composite porosity.Type: ApplicationFiled: February 1, 2011Publication date: March 29, 2012Applicant: UNITED STATES GOVERNMENT AS REPRESENTED BY THE SECRETARY OF THE ARMYInventors: Ramakrishna T. Bhatt, James A. Dicarlo
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Publication number: 20120052386Abstract: The electrode for the nonaqueous electrolyte secondary battery includes a current collector and an active material layer formed on the current collector. The active material layer contains active material particles each coated with a conductive carbon material layer, a surfactant as a dispersant, and conductive carbon material particles.Type: ApplicationFiled: August 25, 2011Publication date: March 1, 2012Applicant: SANYO ELECTRIC CO., LTD.Inventors: Kazunari OOKITA, Masanori SUGIMORI, Yoshinori KIDA
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Publication number: 20120045572Abstract: A substrate 10 that selectively allows hydrogen to permeate therethrough is formed with a catalyst thin layer 20 on a first side 11 thereof and is heated in a furnace tube 110, which functions as a reactor, of a heating furnace 100 while a raw material gas to the catalyst thin layer 20 is fed. Hydrogen produced on the first side 11 of the substrate 10 as a result of the formation of carbon nanotubes 5 is separated from the raw material gas and is allowed to permeate to a second side 12 thereof.Type: ApplicationFiled: April 8, 2010Publication date: February 23, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masahiro Imanishi, Naoki Ito, Shigeaki Murata, Keisuke Nagasaka, Hiroyuki Kawai, Satoshi Nakazawa
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Publication number: 20120043120Abstract: A method of making a multi-layer current collector comprises forming a first layer from a first formulation over each major surface of a current collector substrate, and forming a second layer from a second formulation over each of the first layers, wherein one of the first formulation and second formulation is a graphite formulation and the other of the first formulation and second formulation is a carbon black formulation.Type: ApplicationFiled: August 23, 2010Publication date: February 23, 2012Inventors: Kishor Purushottam Gadkaree, Felipe Miguel Joos, James Robert Lim, Kamjula Pattabhirami Reddy
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Publication number: 20120037853Abstract: The invention provides a polar dispersion composition containing 0.5 to 30 parts by mass of an electroconductive carbon black and 0.1 to 30 parts by mass of a styrene-methoxy polyethylene glycol methacrylate copolymer, with respect to 100 parts by mass of the polar dispersion composition. The composition of the invention is easy to handle as a liquid preparation, and develops sufficient electroconductivity when processed into a conductive material.Type: ApplicationFiled: April 26, 2010Publication date: February 16, 2012Applicant: LION CORPORATIONInventors: Runa Unagami, Atsushi Ito, Yoshiyasu Kubo, Norio Tobori
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Patent number: 8114469Abstract: A process for synthesizing particles of an oxide corresponding to a formula selected from: Li4Ti5O12; Li(4-?)Z?Ti5O12; and Li4Z?Ti(5-?)O12, said process including the steps of: a) preparing an intimately dispersed ternary mixture of TiOx—LiZY-carbon, wherein x is a number between 1 and 2, z is 1 or 2, Y is a radical chosen from the group consisting of CO3, OH, O and TiO3 or a mixture thereof, and the carbon is a carbon powder selected from the group consisting of natural or artificial graphite, carbon black, Shawinigan black, Ketjen black and cokes; b) heating the dispersion at a temperature of between 400 and 1,000° C.; and c) if appropriate, adding a source of at least one metal Z to the ternary mixture, wherein the operating conditions are chosen in such a way as to yield a conversion of the initial products respectively into Li4Ti5O12, Li(4-?)Z?Ti5O12, Li4Z?Ti(5-?)O12.Type: GrantFiled: May 2, 2008Date of Patent: February 14, 2012Assignee: Hydro-QuebecInventors: Karim Zaghib, Michel Gauthier, Fernand Brochu, Abdelbast Guerfi, Monique Masse, Michel Armand
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Publication number: 20120028028Abstract: A manufacturing method of conductive thin film includes: (A) preparing tetraethyl orthosilicate (TEOS), 3-methacryloxypropyl-trimethoxysilane and one of or a mixture of vinyl-triethoxysilane (VTEO) and vinyl-trimethoxysilane (VTMO) in a mole ratio of 1:1:1, so as to obtain a silicon-containing reactant; (B) mixing the silicon-containing reactant with a solvent containing water and alcohol, wherein the total quantity of moles of the solvent is two times of that of the silicon-containing reactant; and evenly stirring for at least 12 hours, so as to obtain a semi-finished paint; (C) adding a conductive material in an amount of 3-50 wt % based on a final total weight into the semi-finished paint and evenly stirring, so as to obtain a finished paint; and (D) applying the finished paint to a substrate by coating means, and heating at a temperature of 70-250° C. for 5-60 minutes, so as to form a conductive thin film with continuous pores.Type: ApplicationFiled: July 31, 2010Publication date: February 2, 2012Applicant: Cheng Uei Precision Industry Co., LTD.Inventor: CHIH-HAO HUANG
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Publication number: 20120027928Abstract: An electronic device is disclosed. One embodiment provides a metallic body. A first electrically insulating layer is applied over the metallic body and having a thickness of less than 100 ?m. A first thermally conductive layer is applied over the first electrically insulating layer and having a thermal conductivity of more than 50 W/(m·K). A second electrically insulating layer is applied over the first thermally conductive layer and having a thickness of less than 100 ?m.Type: ApplicationFiled: October 6, 2011Publication date: February 2, 2012Applicant: INFINEON TECHNOLOGIES AGInventor: Ralf Otremba
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Publication number: 20120021291Abstract: The invention discloses a method for producing a carbon composite material, which includes the step of providing at least one carbon nanostructured composite material onto the surface of LiFePO4 particles to produce a LiFePO4/carbon nanostructured composite material. The carbon nanostructured composite material is obtained by synthesizing at least one nanostructured composite material to form the carbon nanostructured composite material.Type: ApplicationFiled: April 1, 2009Publication date: January 26, 2012Inventors: Shan Ji, Sivakumar Pasupathi, Bernard Jan Blader-Groen, Vladimir Mikhailovich Linkov