From Gaseous Reactants Patents (Class 423/447.3)
  • Patent number: 10777367
    Abstract: A fibrous electrode includes a carbon nanotube sheet which is coated on an elastic fiber and has a buckle structure. Thus, the fibrous electrode may maintain a fiber shape, may be light and small and may maintain excellent conductivity even when variously deformed. In addition, the fibrous electrode has high elasticity and thus is capable of being variously deformed (e.g., bent or stretched) and of being realized in the form of textile. As a result, the fibrous electrode may be effectively applied to flexible electronic devices such as implantable medical devices, microelectronic devices, Google glasses, smart watches, wearable computers, and smart clothing. Furthermore, a supercapacitor using the fibrous electrode includes flexible materials and thus is not easily damaged by external force such as tension or pressure. As a result, the supercapacitor may be applied to various fields because of its excellent flexibility.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 15, 2020
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Seon Jeong Kim, Chang Soon Choi, Kang Min Kim
  • Patent number: 10714293
    Abstract: A carbon nanotube fiber carpet structure includes a backing material; and a plurality looped carbon nanotube (CNT) fiber conductors fixed to the backing material extending outward from the backing material in an array. The CNT fiber conductor may include at least one of a CNT thread, a CNT fiber, a CNT film, and a CNT ribbon, and the CNT fiber conductor may include a first end and a second end, the first end fixed to the backing material, and the second end fixed to the backing material a predetermined distance from the first end in order to form a loop of the CNT fiber conductor extending away from a backing material surface. The CNT fiber conductor may be woven into the backing material to form a plurality of loops of the CNT fiber conductor extending away from a backing surface material, and the backing material may be a conductive material.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: July 14, 2020
    Inventor: Steven B Fairchild
  • Patent number: 10700361
    Abstract: A nanofibrous catalyst and method of manufacture. A precursor solution of a transition metal based material is formed into a plurality of interconnected nanofibers by electro-spinning the precursor solution with the nanofibers converted to a catalytically active material by a heat treatment. Selected subsequent treatments can enhance catalytic activity.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: June 30, 2020
    Assignee: UChicago Argonne, LLC
    Inventors: Di-Jia Liu, Jianglan Shui, Chen Chen
  • Patent number: 10689258
    Abstract: A method for making a carbon nanotube array includes providing a substrate having a first substrate surface and a second substrate surface opposite to the first substrate surface. The substrate has a plurality of through holes spaced from each other, and each of the plurality of through holes extends from the first substrate surface to the second substrate surface. A catalyst layer is deposited on the first substrate surface, to form a composite structure. The composite structure is placed in a chamber. The carbon source gas and protective gas are supplied to the chamber, and the composite structure is heated to a first temperature, to grow a carbon nanotube array on the first substrate surface.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: June 23, 2020
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Liang Liu, Qi Cai, Qiu-Qiu Zheng
  • Patent number: 10689755
    Abstract: A process for synthesizing a biphasic material, the biphasic material comprising at least one mesoporous substrate surrounded with carbon nanotubes, the process comprising step (a) of providing a catalyst on the at least one mesoporous substrate, the catalyst being configured to favour the growth of the carbon nanotubes, and the process comprising step (b) of performing the growth of the carbon nanotubes. The synthesis process is remarkable in that the two steps (a) and (b) are performed in a one-pot synthesis.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: June 23, 2020
    Assignee: LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST)
    Inventors: Didier Arl, Damien Lenoble, Mouhamadou Moustapha Sarr, Noureddine Adjeroud
  • Patent number: 10648105
    Abstract: Provided is a nanofiber based composite false twist yarn that is obtained by producing a nanofiber tape yarn by precisely slitting a nanofiber membrane produced by electrospinning and then twisting a nanofiber-only twist yarn that is obtained by twisting the nanofiber tape yarn or composite-twisting a nanofiber-only twist yarn and a natural fiber or synthetic fiber. The nanofiber based composite false twist yarn includes: a nanofiber tape yarn including at least one bonding portion or a false twist yarn which is obtained by false twisting the nanofiber tape yarn; and a natural fiber yarn or a synthetic fiber yarn that is composite-false-twisted with the nanofiber tape yarn or the false twist yarn, wherein the nanofiber tape yarn is made of a nanofiber web that is obtained by integrating polymer nanofibers made of a fiber-forming polymer material and having an average diameter of less than 1 ?m thereby having fine pores.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: May 12, 2020
    Assignees: AMOGREENTECH CO., LTD., KOREA INSTITUTE FOR KNIT INDUSTRY
    Inventors: Chan Kim, Seung Hoon Lee, Jong Su Seok, Jung Jae Ryu, Do Hwan Kim
  • Patent number: 10640384
    Abstract: Provided herein are graphene nanoribbons with high structural uniformity and low levels of impurities and methods of synthesis thereof. Also provided herein are graphene nanoplatelets of superior structural uniformity and low levels of impurities and methods of synthesis thereof. Further provided herein are mixtures of graphene nanoribbons and graphene nanoplatelets of good structural uniformity and low levels of impurities and methods of synthesis thereof. The method includes, for example, the steps of depositing catalyst on a constantly moving substrate, forming carbon nanotubes on the substrate, separating carbon nanotubes from the substrate, collecting the carbon nanotubes from the surface where the substrate moves continuously and sequentially through the depositing, forming, separating and collecting steps. Further processing steps convert the synthesized carbon nanotubes to graphene nanoribbons, graphene nanoplatelets and mixtures thereof.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 5, 2020
    Assignee: NTHERMA CORPORATION
    Inventor: Cattien V. Nguyen
  • Patent number: 10644325
    Abstract: According to an embodiment, a porous catalyst layer includes a metal portion including plural noble metal-including sheets stacked apart from each other, and a porous nanocarbon layer disposed between two adjacent noble metal-including sheets. The plural noble metal-including sheets in the metal portion have an integrated portion. The porous nanocarbon layer includes fibrous nanocarbon.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: May 5, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Wu Mei, Shigeru Matake, Taishi Fukazawa, Yoshihiro Akasaka
  • Patent number: 10584418
    Abstract: A method for creating a randomly-oriented, non-woven carbon nanotube (CNT) sheet with reduced reflectance includes: providing a randomly-oriented, non-woven CNT sheet; and performing plasma treatment of the randomly-oriented, non-woven CNT sheet, thereby creating a randomly-oriented, non-woven CNT sheet with reduced reflectance.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: March 10, 2020
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: John A. Starkovich, Edward M. Silverman, Hsiao-Hu Peng
  • Patent number: 10570293
    Abstract: A method of making CNT films is described in which the film is washed with a mild acid treatment. The method generates a CNT film that is not sensitive to moisture or fluctuations in moisture. The method involves the use of anionic polysaccharides or anionic glycosaminoglycans such as hyaluronic acid, sodium salt, as aqueous dispersing agents and their modification to a hydrophobic matrix after deposition. In the course of conducting the work described here, we made the surprising discovery that washing with an aqueous acidic solution resulted in a decrease in resistance through the material. The invention also includes CNT composites made by the inventive methods and a CNT composite comprising CNTs and anionic polysaccharides or anionic glycosaminoglycans further characterized by a low cationic content and a high conductivity and/or small CNT particle size as measured by SEM.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: February 25, 2020
    Assignee: Battelle Memorial Institute
    Inventors: Amy M Heintz, Chad M. Cucksey, Anthony D. Duong, Randy L. Jones, Michael D. Crenshaw
  • Patent number: 10556797
    Abstract: Disclosed are a catalyst for manufacturing multi-walled carbon nanotubes and a method of manufacturing multi-walled carbon nanotubes, which has aligned bundle structure with a small number of walls and low surface resistance and density. The catalyst for manufacturing multi-walled carbon nanotubes according to the present invention includes a silica-alumina (SiO2—Al2O3) mixed carrier; and a transition metal main catalyst supported on the mixed carrier.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: February 11, 2020
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Yong-Tak Kwon, Ok-Youn Kim
  • Patent number: 10544503
    Abstract: Graphene can be produced from the byproducts formed during electrolysis of coal. These byproducts may be electrolyzed coal particles, gelatinous film formed on the electrolyzed coal particles, or the electrolyzed coal particles together with the gelatinous film. The electrolyzed coal byproduct is deposited as a thin layer onto a surface, or carrier substrate 50, which is heated to a temperature effective to form graphite while a reductant gas, such as hydrogen, flows over the heated coal product. The reductant gas flow carries the carbon particles and deposits them onto a surface 66, forming a layer of graphene thereon.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: January 28, 2020
    Assignee: Ohio University
    Inventor: Gerardine G. Botte
  • Patent number: 10529526
    Abstract: In the present invention, a flat emitter is formed from emitter material preforms shaped as thin sheets of the emitter material. These sheets are subjected to various levels and/or amounts of mechanical working during their initial formation and are bonded to one another to create a preform having the desired thickness. The preform including the bonded sheets is subsequently worked to shape the preform into the desired configuration for the emitter. The working of the sheets of emitter material utilized to create the preform and the working of the preform to form the emitter provide a highly creep-resistant emitter that significantly improves the operation and useful life of the resulting emitter.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: January 7, 2020
    Assignee: General Electric Company
    Inventors: Andrew Marconnet, Gregory A. Steinlage
  • Patent number: 10486971
    Abstract: Provided are a scroll preparing method using a two-dimensional material and a scroll prepared thereby. The scroll preparing method comprises preparing a two-dimensional material. The two-dimensional material is scrolled by providing an amphiphilic substance having a hydrophilic portion and a hydrophobic portion on the two-dimensional material. As a result, a scroll composite including the amphiphilic substance disposed inside a scroll structure is formed.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 26, 2019
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Donghack Suh, Dayoung Hwang
  • Patent number: 10472241
    Abstract: The present disclosure relates to a process for the synthesis of highly crystalline carbon nanotubes (CNTs). Processes known in the art employ post-synthesis processes such as oxidation or hydrothermal treatment to produce CNTs with high crystallinity. The present disclosure produces highly crystalline CNTs at a low growth temperature and without hydrogen flow condition and without employing any post-production process. The process disclosed in the present disclosure produces CNTs having a crystallinity greater than 5 which makes them suitable for various industrial applications.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: November 12, 2019
    Assignee: Reliance Industries Limited
    Inventors: Gopal Krishna Goswami, Swanand Dilip Patil, Sreekumar Thaliyil Veedu, Vijai Shankar Balachandran
  • Patent number: 10457556
    Abstract: The present invention relates to a method for producing carbon nanostructures using a fluidized bed reactor. According to the method, some of the as-produced carbon nanostructures remain uncollected and are used as fluidic materials to improve the fluidity in the reactor. The method enables the production of carbon nanostructures in a continuous process. In addition, the fluidity of the catalyst and the fluidic materials in the reactor is optimized, making the production of carbon nanostructures efficient.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Kwang Woo Yoon, Ogsin Kim, Hyun Woo Park, Eugene Oh, Uk Yeong Kim, Seungyong Son, Dong Hyun Cho
  • Patent number: 10458049
    Abstract: A method and apparatus for producing boron nitride nanotubes and continuous boron nitride nanotube yarn or tapes is provided. The apparatus includes rotating reaction tubes that allow for continuous chemical vapor deposition of boron nitride nanotubes. The rotation of the reaction tubes allows the boron nitride nanotubes to be spun into yarns or made into tapes, without post process or external rotation or spinning of the gathered nanotubes. Boron nitride nanotube yarns or tapes of great length can be produced as a result, thereby providing industry with a readily useable format for this type of material. Dopants such as carbon can be added to engineer the band gap of the nanotubes. Catalysts may be formed outside or inside the reactor.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: October 29, 2019
    Assignee: University of New Hampshire
    Inventors: David S. Lashmore, Tyler Bennett
  • Patent number: 10450191
    Abstract: A device for making a carbon nanotube array includes a chamber, a gas diffusing unit and a gas supplying pipe. The gas diffusing unit and the gas supplying pipe are in the chamber. The gas diffusing unit is a hollow structure and defines a hole and an outlet. The gas supplying pipe includes a first end and a second end opposite to the first end. The first end extends out of the chamber. The second end is in the chamber and connected to the hole.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: October 22, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Liang Liu, Qi Cai, Qiu-Qiu Zheng
  • Patent number: 10421061
    Abstract: A preparation method of an alumina-carbon nano tube composite powder material includes the steps of using an organometallic precursor as a raw material, using metal nanoparticles formed on the surface of the alumina powder as a catalyst, and simultaneously feeding a carbonaceous gas such as methane and acetylene, so as to grow a carbon nano tube in situ, and obtain an alumina-metal nanoparticle-carbon nano tube composite powder material through a chemical vapor deposition method under a temperature condition of 400 to 800° C. Through changing various parameters such as the weight of the organic raw material, the flow or constituent of reactant gases and reaction temperature, the decomposition of the organic raw material and the generation of the metal nanoparticles and the carbon nano tube are adjusted, and the size and the microstructure of the powder are controlled.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: September 24, 2019
    Assignee: HOHAI UNIVERSITY
    Inventors: Jianfeng Zhang, Yunyi Liu, Gaiye Li, Yilin Su, Xiao Liang, Yuna Wu, Yuping Wu
  • Patent number: 10410380
    Abstract: An apparatus in one embodiment comprises a multi-stage processing pipeline configured to generate a procedural yarn model by fitting procedural yarn model parameters to input data comprising computed tomography measurements of one or more actual yarn samples. The apparatus further comprises an image rendering system configured to execute one or more procedural yarn generation algorithms utilizing the procedural yarn model and to generate based at least in part on results of execution of the one or more procedural yarn generation algorithms at least one corresponding output image for presentation on a display. The multi-stage processing pipeline comprises a first stage configured to perform ply twisting estimation and ply cross-sectional estimation, a second stage configured to classify constituent fibers into regular fibers and flyaway fibers, and third and fourth stages configured to process the respective regular and flyaway fibers to fit respective different sets of parameters of the procedural yarn model.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 10, 2019
    Assignees: Cornell University, The Regents of the University of California
    Inventors: Kavita Bala, Fujun Luan, Shuang Zhao
  • Patent number: 10392254
    Abstract: Provided is a carbon film including: a plurality of fibrous carbon nanostructures; and a conductive carbon, wherein the plurality of fibrous carbon nanostructures has a BET specific surface area of 500 m2/g or more. Also provided is a method of producing a carbon film, the method including mixing a conductive carbon into a fibrous carbon nanostructure dispersion liquid containing a plurality of fibrous carbon nanostructures having a BET specific surface area of 500 m2/g or more, a dispersant, and a solvent, and subsequently removing the solvent to form a carbon film.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: August 27, 2019
    Assignee: ZEON CORPORATION
    Inventors: Tomoko Yamagishi, Mitsugu Uejima
  • Patent number: 10391475
    Abstract: Disclosed are non-noble element compositions of matter, structures, and methods for producing the catalysts that can catalyze oxygen reduction reactions (ORR). The disclosed composition of matter can be comprised of graphitic carbon doped with nitrogen and associated with one or two kinds of transition metals. The disclosed structure is a three dimensional, porous structure comprised of a plurality of the disclosed compositions of matter. The disclosed structure can be fashioned into an electrode of an electrochemical cell to serve as a diffusion layer and also to catalyze an ORR. Two methods are disclosed for producing the disclosed composition of matter and structure. The first method is comprised of two steps, and the second method is comprised of a single step.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: August 27, 2019
    Assignee: The Texas A&M University System
    Inventors: Choongho Yu, Gang Yang, Woongchul Choi
  • Patent number: 10388966
    Abstract: An electrode catalyst material includes graphite particles and catalyst particles. Each of the graphite particles has a hollow structure that includes an outer shell, and the outer shell has at least one of a through-hole and a recess. Each of the catalyst particles is supported by the at least one of through-hole and recess.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: August 20, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Keiichi Kondou, Kazuya Yamasaki, Hitoshi Ishimoto
  • Patent number: 10384200
    Abstract: The present invention relates to a supported catalyst having a structure in which a metal catalyst is supported on a core-shell structured support. The support includes core particles and shell particles having a smaller particle diameter than the core particles and coated on the core particles to form a shell layer. Due to this structure, the supported catalyst can be used to produce carbon nanostructures that form a novel secondary structure in which ends of the carbon nanostructures are supported on the supported catalyst and form independent branches and the opposite ends grow and are assembled together. The novel structure is expected to find application in various fields, such as energy materials, functional composites, pharmaceuticals, batteries, and semiconductors, because of its characteristic shape.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: August 20, 2019
    Assignee: LG CHEM, LTD.
    Inventors: SungJin Kim, Dongchul Lee, KyungYeon Kang, Seungyong Son
  • Patent number: 10357765
    Abstract: The present invention relates to metal catalyst particles for carbon nanotube synthesis, comprising carbon-containing regions on their surfaces.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: July 23, 2019
    Assignees: THE UNIVERSITY OF TOKYO, HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Suguru Noda, Zhongming Chen, Dong Young Kim, Shunsuke Ueda, Eisuke Haba
  • Patent number: 10343919
    Abstract: The invention shows a production method for carbon nanotubes. The production method comprises a first step of feeding at least one kind of gas-phase catalyst into a first chamber, the at least one kind of gas-phase catalyst being formed from an iron family element-containing substance and a halogen-containing substance that are contained in a first liquid; and a second step of forming the carbon nanotubes from a carbon source fed into the first chamber using a catalyst generated based on the gas-phase catalyst existing in the first chamber, wherein the first step includes vaporization of the first liquid, and the first liquid does not contain the carbon source.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: July 9, 2019
    Assignees: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY, JNC CORPORATION
    Inventors: Yoku Inoue, Takayuki Nakano, Tauto Nakanishi
  • Patent number: 10213857
    Abstract: A wire cutting electrode which includes a carbon nanotube composite wire, a tensile strain rate of the carbon nanotube composite wire being less than or equal to 3%. The carbon nanotube composite wire includes a carbon nanotube wire and a metal layer. The carbon nanotube wire consists of a plurality of carbon nanotubes oriented around a longitudinal axis of the carbon nanotube composite wire. A twist of the carbon nanotube wire ranges from 10 r/cm to 300 r/cm. A diameter of the carbon nanotube wire ranges from 1 micron to 30 microns. The metal layer is coated on an outer surface of the carbon nanotube wire, and a thickness of the metal layer ranges from 1 micron to 5 microns. A wire cutting device using the wire cutting electrode is also provided.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: February 26, 2019
    Assignee: Beijing FUNATE Innovation Technology Co., LTD.
    Inventors: Li Qian, Yu-Quan Wang
  • Patent number: 10196269
    Abstract: A process is disclosed for removing impurities from a carbon nanotube structure and then orienting the nanotubes within the structure. The process may use environmentally benign materials and minimize damage to the carbon nanotubes. The process may provide a cost-effective way to manufacture nanomaterials based macroscopic parts and components, whose properties approach to those of the individual nanoparticles.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: February 5, 2019
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Changchun Zeng, Zhiyong Liang, Yan Li, Jin Gyu Park
  • Patent number: 10158093
    Abstract: The invention relates to a method for manufacturing an electronic device, particularly a device including a flexible and/or low-cost substrate and/or carbon nanotubes, and also relates to electronic devices produced using said method.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: December 18, 2018
    Assignees: Ecole Polytechnique, Centre National de la Recherche Scientifique, Institut Francais des Sciences et Technologies des Transports de l'Amenagement et des Reseaux
    Inventors: Costel-Sorin Cojocaru, Fatima Zahra Bouanis, Kitchner Max Garry Rose
  • Patent number: 10144647
    Abstract: A method for preparing a carbon nanotube (CNT) film is provided, comprising: providing a growth chamber of CNTs, which includes an inlet end, an outlet end, and a first-level growth cavity and a second-level growth cavity, and the first-level growth cavity and the second-level growth cavity are in fluid communication between the inlet end and the outlet end; making precursor materials, which are used for forming CNTs, react in at least the first-level growth cavity of the growth chamber of CNTs to generate CNTs; and making a carrier gas flow into the growth chamber through the inlet end, and pass through the first-level growth cavity and the second-level growth cavity in sequence, wherein, a radial dimension of the first-level growth cavity in a flowing direction of the carrier gas is smaller than that of the second-level growth cavity at a junction between the first-level growth cavity and the second-level growth cavity, and a bubble blowing process is conducted with the precursor materials under the drive o
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: December 4, 2018
    Assignee: INSTITUTE OF PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Weiya Zhou, Qiang Zhang, Yanchun Wang, Sishen Xie
  • Patent number: 10109757
    Abstract: A solar cell system includes a number of P-N junction cells, a number of inner electrodes, a first collecting electrode, a second collecting electrode and a reflector. The number of the P-N junction cells is M. M is equal to or greater than 2. The M P-N junction cells are arranged from a first P-N junction cell to an Mth P-N junction cell along the straight line. The P-N junction cells are arranged in series along a straight line. The number of the inner electrodes is M?1. At least one inner electrode includes a plurality of carbon nanotubes. A photoreceptive surface is parallel to the straight line. A reflector is located on an emitting surface opposite to the photoreceptive surface.
    Type: Grant
    Filed: June 8, 2014
    Date of Patent: October 23, 2018
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yuan-Hao Jin, Qun-Qing Li, Shou-Shan Fan
  • Patent number: 10109876
    Abstract: The invention pertains to a method for manufacturing crystalline carbon nanostructures and/or a network of crystalline carbon nanostructures, comprising: (i) providing a bicontinuous micro-emulsion containing metal nanoparticles having an average particle size between 1 and 100 nm; (ii) bringing said bicontinuous micro-emulsion into contact with a substrate; and (iii) subjecting said metal nanoparticles and a gaseous carbon source to chemical vapor deposition, thus forming carbon nanostructures and/or a network of carbon nanostructures. Therewith, it is now possible to obtain crystalline carbon nanostructures networks, preferably carbon nanotubes networks.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 23, 2018
    Assignee: CARBONX B.V.
    Inventors: Krishna Narayan Kumar Kowlgi, Gerardus Joseph Maria Koper, Rutger Alexander David Van Raalten
  • Patent number: 10086334
    Abstract: Embodiments of the present disclosure pertain to scalable methods of producing carbon quantum dots with desired bandgaps by the following steps: exposing a carbon source to an oxidant at a reaction temperature, where the exposing results in the formation of the carbon quantum dots; and selecting a desired size of the formed carbon quantum dots. In some embodiments, the selecting occurs by at least one of separating the desired size of the formed carbon quantum dots from other formed carbon quantum dots; selecting the reaction temperature that produces the desired size of the formed carbon quantum dots; and combinations of such steps. The desired size of carbon quantum dots can include a size range. The methods of the present disclosure can also include a step of purifying the formed carbon quantum dots prior to selecting a desired size.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: October 2, 2018
    Assignee: WILLIAM MARSH RICE UNIVERSITY
    Inventors: James M. Tour, Ruquan Ye, Andrew Metzger, Macy Stavinoha, Yonghao Zheng
  • Patent number: 10067080
    Abstract: A nanostructure device is provided and performs dual functions as a nano-switching/sensing device. The nanostructure device includes a doped semiconducting substrate, an insulating layer disposed on the doped semiconducting substrate, an electrode formed on the insulating layer, and at least one polymer nanofiber deposited on the electrode. The at least one polymer nanofiber provides an electrical connection between the electrode and the substrate and is the electroactive element in the device.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: September 4, 2018
    Assignee: The United States of America as Represented by the Administrator of National Aeronautics and Space Administration
    Inventors: Felix A. Miranda, Onoufrios Theofylaktos, Nicholas Pinto, Carl H. Mueller, Javier Santos-Perez, Michael A. Meador
  • Patent number: 10010874
    Abstract: In accordance with the present subject matter there is provided a process for catalytic decomposition of lower hydrocarbons to produce carbon oxides free hydrogen and bamboo shaped carbon nanotubes over a catalyst composition. The process for catalytic decomposition of lower hydrocarbons comprises contacting lower hydrocarbon over a catalyst composition, where the catalyst composition comprising, a catalyst, at least one modifying agent and a support material.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: July 3, 2018
    Assignees: Hindustan Petroleum Corporation Ltd., Indian Institute of Technology (IIT Delhi), Centre for High Technology (CHT)
    Inventors: Kamal Kishore Pant, Sushil Kumar Saraswat, Annaji Rajiv Kumar Tompala, Kanaparthi Ramesh, Venkata Chalapathi Rao Peddy, Venkateswarlu Choudary Nettem, Sri Ganesh Gandham
  • Patent number: 9997323
    Abstract: A composite carbon nanotube structure comprises a first carbon nanotube structure and a second carbon nanotube structure. The first carbon nanotube structure includes a number of first carbon nanotubes extending substantially along the same direction and joined end-to-end by van der Waals force. The second carbon nanotube structure includes a number of second carbon nanotubes extending from a surface of the first carbon nanotube structure.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: June 12, 2018
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 9991509
    Abstract: Provided are an anode active material including a porous silicon oxide-carbon material composite which includes a porous silicon oxide including pores and a line-type carbon material coated on a surface, in the pores, or on the surface and in the pores of the porous silicon oxide, and a method of preparing the anode active material. Since the silicon oxide of the anode active material according to an embodiment of the present invention may include the plurality of pores, resistance to the mechanical stress due to a volume change may be improved. Also, since the line-type carbon material is bonded to the inside of the pores, conductivity may not be decreased even in the case in which internal cracks occur in the porous silicon oxide and lifetime characteristics may be improved.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: June 5, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Jung Woo Yoo, Je Young Kim, Yong Ju Lee, Seung Youn Choi, Yoon Ah Kang, Mi Rim Lee, Hye Ran Jung
  • Patent number: 9991017
    Abstract: A method of forming an amorphous carbon monolayer (ACM) and an electronic device including the ACM are provided. The method includes forming the ACM on a surface of a germanium (Ge) substrate via a chemical vapor deposition (CVD) process. The CVD process includes injecting a reaction gas including carbon-containing gas and hydrogen (H2) gas in to a reaction chamber containing the Ge substrate, wherein a partial pressure of the H2 gas in the reaction chamber may range from 1 Torr to 30 Torr.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wonjae Joo, Unjeong Kim, Sungwoo Hwang
  • Patent number: 9919925
    Abstract: Disclosed is a catalyst for production of multi-walled carbon nanotubes, in which the catalyst includes a transition metal catalyst supported on a support mixture including MgO, and thus can increase the production of multi-walled carbon nanotubes and, at the same time, reduce the number of walls of the multi-walled carbon nanotubes to thereby reduce the surface resistance of the multi-walled carbon nanotubes. Also disclosed is a method of producing multi-walled carbon nanotubes using the catalyst. The catalyst for production of multi-walled carbon nanotubes includes: a support mixture of a first support and a second support mixed with the first support; and a transition metal catalyst supported on the support mixture.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: March 20, 2018
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Hyun-Chul Choi, Ok-Youn Kim, Yong-Tak Kwon
  • Patent number: 9890045
    Abstract: The present invention is directed to a process for the simultaneous production of carbon nanotubes and product gas comprising hydrogen and lighter hydrocarbons, from a liquid hydrocarbon comprising feeding a liquid hydrocarbon in a reactor; and converting the liquid hydrocarbon with a catalyst for simultaneous production of the carbon nanotubes, hydrogen and lighter hydrocarbons, wherein the liquid hydrocarbon comprises petroleum crude oil, its products, or mixtures thereof.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: February 13, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Naduhatty Selai Raman, Palvannan Mohanasundaram, Narayanam Seshubabu, Jayaraj Christopher, Brijesh Kumar, Anurag Ateet Gupta, Biswapriya Das, Ravinder Kumar Malhotra
  • Patent number: 9862611
    Abstract: Disclosed is a method for producing a carbon nanotube, including supplying a carbon nanotube and a catalyst to a reactor in a predetermined order or simultaneously and fluidizing them to form a fluidized bed, wherein a difference in minimum fluidization velocities (?V) according to Formula 1 below is 5 cm/s or less: [Formula 1] Difference in minimum fluidization velocities (?V, cm/s)=|Vcat?Vcntproduct| wherein Vcat is a minimum fluidization velocity of catalyst, and VCNTproduct is a minimum fluidization velocity of carbon nanotubes supplied to a reactor in the step of forming a fluidized bed.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 9, 2018
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Ji-Min Kim, Min-Ji Sung, Yong-Tak Kwon, Sang-Uk Kim, Ok-Youn Kim, Sung-Real Son, Jung-Yul Son
  • Patent number: 9845243
    Abstract: A method of forming a carbon nanotube array substrate is disclosed. One embodiment comprises depositing a composite catalyst layer on the substrate, oxidizing the composite catalyst layer, reducing the oxidized composite catalyst layer, and growing the array on the composite catalyst layer. The composite catalyst layer may comprise a group VIII element and a non-catalytic element deposited onto the substrate from an alloy. In another embodiment, the composite catalyst layer comprises alternating layers of iron and a lanthanide, preferably gadolinium or lanthanum. The composite catalyst layer may be reused to grow multiple carbon nanotube arrays without additional processing of the substrate. The method may comprise bulk synthesis by forming carbon nanotubes on a plurality of particulate substrates having a composite catalyst layer comprising the group VIII element and the non-catalytic element. In another embodiment, the composite catalyst layer is deposited on both sides of the substrate.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: December 19, 2017
    Inventors: Vesselin N. Shanov, Andrew Gorton, Yeo-Heung Yun, Mark J. Schulz
  • Patent number: 9842707
    Abstract: A flexible all-solid state supercapacitor is provided that includes a first electrode and a second electrode, and a flexible nanofiber web, where the flexible nanofiber web connects the first electrode to the second electrode, where the flexible nanofiber web includes a plurality of flexible nanofibers, where the flexible nanofiber includes a hierarchal structure of macropores, mesopores and micropores through a cross section of the flexible nanofiber, where the mesopores and the micropores form a graded pore structure, where the macropores are periodically distributed along the flexible nanaofiber and within the graded pore structure.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: December 12, 2017
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Yongming Sun, Yi Cui
  • Patent number: 9817435
    Abstract: A conductive mesh for a touch panel consists of a plurality of carbon nanotube composite wires. The carbon nanotube composite wire comprises a carbon nanotube wire and a metal layer. The carbon nanotube wire comprises a plurality of carbon nanotubes spirally arranged along an axial direction of the carbon nanotube wire. A touch panel using the conductive mesh is also provided.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: November 14, 2017
    Assignee: Beijing FUNATE Innovation Technology Co., LTD.
    Inventors: Li Qian, Yu-Quan Wang
  • Patent number: 9796121
    Abstract: A method of forming an array of aligned, uniform-length carbon nanotubes on a planar surface of a substrate employing a composite catalyst layer of iron and cobalt. The carbon nanotubes have visible length and are useful for producing spun threads of carbon nanotubes having improved spinability and mechanical and electrical properties.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: October 24, 2017
    Assignee: University of Cincinnati
    Inventors: Vesselin N. Shanov, Mark J. Schulz
  • Patent number: 9782948
    Abstract: An antenna apparatus includes an electrically conductive section having peripheral edges, an antenna element coupled to the electrically conductive section, which transmits or receives electromagnetic signals, and an electromagnetic absorbing carbon material component. The carbon material component is generally disposed adjacent to the electrically conductive section, and includes a border region extending beyond the peripheral edges of the electrically conductive section. The carbon material component can be constructed of a carbon fiber fabric in which the carbon fibers are arranged to increase the effective signal to noise ratio of the antenna apparatus and enhance antenna performance without increasing the baseline power consumption level. The carbon fibers can be coated with silicone to insulate them externally while enhancing their lengthwise conductivity.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: October 10, 2017
    Assignee: TANGITEK, LLC
    Inventors: Robert L. Doneker, Kent G. R. Thompson
  • Patent number: 9738524
    Abstract: Methods and apparatus to generate carbon nanostructures from organic materials are described. Certain embodiments provide solid waste materials into a furnace, that pyrolyzes the solid waste materials into gaseous decomposition products, which are then converted to carbon nanostructures. Methods and apparatuses described herein provide numerous advantages over conventional methods, such as cost savings, reduction of handling risks, optimization of process conditions, and the like.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: August 22, 2017
    Assignees: Nano-C, Inc., Northeastern University
    Inventors: Yiannis Levendis, Henning Richter, Chuanwei Zhuo
  • Patent number: 9738993
    Abstract: A manufacturing method of carbon nanofibers at a high activity is provided. Further, carbon nanofibers produced by the manufacturing method and being excellent in electric conductivity, crystallinity and dispersibility is provided. By a manufacturing method of carbon nanofibers in which an active species including cobalt as a chief component is employed as a catalyst and carbon monoxide is used as a carbon source, wherein said catalyst has 3 to 150 mass % of said active species carried on a carrier composed of a magnesium-containing oxide having a specific surface area of 0.01 to 5 m2/g, and a reaction temperature, partial pressure of carbon monoxide and a flow rate of raw material gas is controlled, CNFs that are excellent in electric conductivity, crystallinity and dispersibility can be manufactured at high activity, so that carbon nanofibers that is excellent in electric conductivity, crystallinity and dispersibility is obtained.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: August 22, 2017
    Assignee: Denka Company Limited
    Inventors: Hitoshi Kaneko, Toru Arai, Masaya Umeyama, Yoko Tamura, Ayumu Tsukamoto
  • Patent number: 9676630
    Abstract: Carbon nanotubes have excellent mechanical properties such as low density, high stiffness, and exceptional strength making them ideal candidates for reinforcement material in a wide range of high-performance composites. Fibers with increased tensile strengths are produced by employing plasma treatment under various conditions. Tensile strength is improved by at least 35%, relative to an untreated fiber. Methods of making such high strength carbon nanotube fibers via plasma processing are disclosed.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: June 13, 2017
    Assignee: THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
    Inventors: Charles F. Cornwell, Charles P. Marsh, Charles R. Welch, Benjamin Ulmen, Dustin L. Majure
  • Patent number: 9668333
    Abstract: A transparent conductive article includes a transparent substrate, a thin electrically conductive grid, and a carbon nanolayer. The grid is disposed on the substrate, and the carbon nanolayer is also disposed on the substrate and in contact with the grid. The conductive grid and the carbon nanolayer may have thicknesses of no more than 1 micron and 50 nanometers, respectively. The carbon nanolayer has a morphology that includes graphite platelets embedded in nano-crystalline carbon, and can be produced with a buffing procedure using dry carbon particles without substantially damaging the grid structure. The article may have a visible light transmission of at least 80%, and a sheet resistance less than 500 or 100 ohms/square. The transparent substrate may comprise a flexible polymer film. The disclosed articles may substantially maintain an initial sheet resistance value when subjected to flexing.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 30, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Ranjith Divigalpitiya, Mark J. Pellerite, John P. Baetzold, Gary A. Korba, Mieczyslaw H. Mazurek