Abstract: Disclosed are methods and systems of providing carbon nanotubes decorated with polymer coated metal nanoparticles. Then, annealing the metal coated carbon nanotubes to reduce a quantity of hydrophilic components of the polymer coating.
Type:
Grant
Filed:
April 20, 2021
Date of Patent:
April 16, 2024
Assignees:
SRI INTERNATIONAL, UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NASA, BAY SYSTEMS CONSULTING, INC.
Inventors:
Gabriel Iftime, Beomseok Kim, Clinton J. Smith, Eric D. Cocker, Junhua Wei, David Eric Schwartz, Meyya Meyyappan, Rahul Pandey, Yong Zhang
Abstract: Upgraded coal, method of forming the same, and graphene films and quantum dots made therefrom. A method of upgrading coal includes cleaning coal to form a cleaned coal residue. The method also includes (A) reacting the cleaned coal residue with an oxidizable inorganic metallic agent, or (B) reacting the cleaned coal residue with a reducing agent, or a combination thereof, to form the upgraded coal.
Type:
Grant
Filed:
August 25, 2021
Date of Patent:
April 16, 2024
Assignee:
Energy and Environmental Research Center Foundation
Abstract: The present invention belongs to the technical field of biomass carbon materials, and relates to a lignin porous carbon nanosheet, a preparation method therefor, and an application thereof in supercapacitor electrode materials. The method of the present invention performs layer-by-layer self-assembly of sulfonated lignin and oxalate in a selective solvent to prepare a layer-by-layer self-assembled lignin/oxalate composite, which is then carbonized and pickled to obtain the lignin porous carbon nanosheets. The lignin porous carbon nanosheets prepared by the above method of the present invention have a specific surface area of 200-1500 m2/g, a micropore specific surface area of 100-500 m2/g, a mesoporous specific surface area of 100-1000 m2/g, a pore diameter of 0.5-30 nm, and a pore volume of 0.5-1.5 cm3/g; they can be applied to supercapacitor electrode materials, showing higher specific capacitance and excellent rate performance (with a specific capacitance retention rate of 76.
Abstract: A carbon nanoparticle and methods of making and using a carbon nanoparticle are provided. The carbon nanoparticle includes a reaction product of an organic reactant, an alkoxy amine, and an organometallic compound. The organometallic compound includes an element selected from the group consisting of a rare earth element, a transition metal element, and combinations thereof, and the carbon nanoparticle includes from 0.5 to 50 wt. % of the element. A method of making the carbon nanoparticle is also provided. The method includes combining the organic reactant, the alkoxy amine, and the organometallic compound into a mixture and heating the mixture such that the carbon nanoparticle forms. A method of determining a flow characteristic of a formation or an attribute of a fluid in a formation using the carbon nanoparticle is also provided.
Abstract: The present invention provides a method of manufacturing a polyimide film including unit polymers that are omnidirectionally distributed, and a polyimide film. The present invention also provides a graphite sheet having good quality manufactured using the polyimide film.
Abstract: The object of the present invention relates to a nanoparticulate aerosol generator comprising a compressed gas reservoir (1) connected to a nanoparticulate material receptacle (2) through an operational valve (8?), wherein said receptacle (2) comprises an outlet hole (3) for the aerosol. Advantageously, the outlet of said nanoparticulate material receptacle (2) is connected to or inserted into a pressurized aerosol distribution chamber (4) equipped with a hole (9) for the exit of said aerosol out of the chamber (4). The invention provides the possibility of using different types of nanoparticles with sizes less than 100 nanometers continuously over time during long production periods of more than three hours. The invention also relates to a method for continuously generating nanoparticulate aerosols associated with the mentioned generator.
Type:
Grant
Filed:
January 15, 2018
Date of Patent:
March 26, 2024
Assignee:
UNIVERSIDAD DE ZARAGOZA
Inventors:
Jesús Santamaría Ramiro, Francisco Balas Nieto, Maria Pilar Lobera González, Alberto Clemente Cornago
Abstract: The carbon nanotube assembled wire includes a plurality of carbon nanotubes oriented at a degree of orientation of 0.9 or more and 1 or less.
Type:
Grant
Filed:
December 26, 2019
Date of Patent:
March 26, 2024
Assignees:
SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBA
Abstract: A nanostructure includes a plurality of substantially spherically curved carbon layers having diameters in a range of 1 nanometer to 1000 nanometers and a plurality of halogen atoms attached to an outer convex side of the carbon layers. A composition of matter includes a liquid fuel and an additive including at least one liquid and a plurality of carbon nano-onions. A method of fabricating an additive for liquid fuel includes creating a carbon-based material using a plasma in an environment including at least one hydrocarbon gas and/or at least one liquid containing hydrocarbons, organometallic metal-complex, and/or element-organic compounds, evaporating organic material from the carbon-based material, halogenating the carbon-based material, and extracting carbon nano-onions from the halogenated carbon-based material.
Type:
Grant
Filed:
May 20, 2020
Date of Patent:
March 26, 2024
Assignee:
FUELGEMS, INC.
Inventors:
Ievgen Polunkin, Jacek Bogdan Jasinski, Dmytro Vinnichenko, Kirill Gichunts
Abstract: A method for the manufacture of reduced graphene oxide from electrode graphite scrap including the provision of the graphite electrode scrap, the grinding of electrode graphite scrap to obtain ground graphite electrode, an oxidation step of the ground graphite electrode to obtain graphene oxide and the reduction into reduced graphene oxide.
Type:
Grant
Filed:
April 10, 2019
Date of Patent:
March 26, 2024
Assignee:
ArcelorMittal
Inventors:
Thi Tan Vu, Abel Alvarez-Alvarez, Roberto Suarez Sanchez
Abstract: A water-based graphene dispersion is made by shear stabilization. The method of preparing the water-based graphene dispersion using shear stabilization includes adding a composition containing a graphene powder, a super wetter surfactant and a water dispersible rheology agent into water to form an aqueous mixture; and shearing the aqueous mixture under high pressures to break down the thick layers of the graphene powder to thin layers of graphene platelet particles and to form the water-based graphene dispersion with the graphene platelet particles dispersed in the water-based graphene dispersion. The water-based graphene dispersion is stable without visible phase separation after storage at room temperature for at least one year or even more than one year.
Abstract: Disclosed herein are pristine graphene sheets with columns formed of fullerene nanotubes between the graphene sheets for use as body armor, semiconductor, battery anode, solar panels, heat sinks, structural concrete members, structural steel members, precast concrete structural members, bridges, highways, streets, skyscrapers, sidewalks, foundations, dams, industrial plants, canals, airports, structural composites, aircraft, military equipment, and civil infrastructure.
Abstract: The present application describes a sensor apparatus based on chemically functionalized graphene as the sensing materials. The sensing materials is modified from graphene oxide with unique chemical process to form a group of graphene derivatives, e.g. butylamine, hexylamine, decylamine, dodecylamine, benzylamine etc., to detect volatile and non-volatile compounds, e.g. toluene, ethylacetate, ethanol, acetone, hexane etc. with high sensitivity. Pattern recognition algorithms and methods, e.g. PCA, are coupled with the sensors for detecting and quantifying specific chemical compounds. Methods of using the sensor apparatus in applications such as diagnosis of disease and food quality control are disclosed.
Type:
Grant
Filed:
May 3, 2019
Date of Patent:
March 19, 2024
Inventors:
Wan Lung Kam, Wai Fung Cheung, Baishu Liu, Bo Zheng
Abstract: This invention relates to a process and an apparatus for synthesizing multiwall carbon nanotubes from high molecular polymeric wastes. The process comprises using induction heating in combination with catalytic chemical vapour deposition (CVD) with an array of catalytic materials to synthesize high value carbon nanotubes with better yield and purity from high molecular polymeric wastes.
Abstract: A method for preparing carbon black from pyrolysis char of waste tires by a molten salt thermal treatment and a product thereof are provided. The method includes heating one or two groups of a metal chloride salt group and a metal sulfate group to obtain a molten salt; adding pyrolysis char of waste tires into the molten salt and subjecting same to a molten salt thermal treatment under a preset reaction atmosphere; after the reaction is complete, separating the reaction product to obtain a secondary molten salt and treated pyrolysis char, washing the treated pyrolysis char with hot water and then drying same so as to obtain carbon black, and at the same time, recycling the secondary molten salt.
Type:
Grant
Filed:
May 15, 2020
Date of Patent:
March 12, 2024
Assignee:
HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Inventors:
Hongyun Hu, Hua Tang, Aijun Li, Kang Xie, Yuhan Yang, Fu Yang, Hong Yao
Abstract: The disclosure relates to a method of making carbon fiber, the method comprising pyrolyzing poly(p-phenylene) (PPP) fiber at a temperature sufficient to convert PPP fiber substantially to carbon fiber. The disclosure also relates to pre-PPP polymer, methods for making PPP fiber from pre-PPP polymer and, in turn, making carbon fiber from PPP fiber.
Type:
Grant
Filed:
October 30, 2020
Date of Patent:
March 12, 2024
Assignee:
University of Massachusetts
Inventors:
Nese Orbey, Carl W. Lawton, Burcin Ikizer
Abstract: A method embodiment involves preparing single metal or mixed transition metal chalcogenide using exfoliation of two or more different bulk transition metal dichalcogenides in a manner to form an intermediate hetero-layered transition metal chalcogenide structure, which can be treated to provide a single-phase transition metal chalcogenide.
Type:
Grant
Filed:
November 1, 2021
Date of Patent:
March 5, 2024
Assignee:
Iowa State University Research Foundation, Inc.
Inventors:
Viktor Balema, Ihor Hlova, Vitalij K. Pecharsky
Abstract: One aspect of the present application relates to a method of synthesizing a thermoplastic polymer. This method includes providing a depolymerized lignin product comprising monomers and oligomers and producing lignin (meth)acrylate monomers and oligomers from the depolymerized lignin product. A thermoplastic lignin (meth)acrylate polymer is then formed by free radical polymerization of the lignin (meth)acrylate monomers and oligomers. The present application also relates to a branched chain thermoplastic lignin (meth)acrylate polymer which includes a chain transfer agent. The thermoplastic lignin based polymers of the present application can be used to prepare carbon fibers, and engineering thermoplastics. Mixtures of lignin (meth)acrylate monomers and oligomers are also disclosed.
Type:
Grant
Filed:
January 31, 2020
Date of Patent:
February 27, 2024
Assignee:
IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
Inventors:
Eric W. Cochran, Xianglan Bai, Wangda Qu, Yuerui Huang, Yixin Luo
Abstract: Provided herein are methods for creating or fabricating nanopore(s) on a membrane. The membrane is bombarded by ions, for example, C60 ions through at least one nanotunnel through a mask that is positioned on the membrane. Also provided is a two dimensional membrane with at least one nanopore thereon fabricated via these methods.
Abstract: An apparatus contains at least one pressure-rated apparatus shell and at least one modular framework system containing ceramic fiber composite materials and arranged within the apparatus shell. A modular lining apparatus includes the modular framework system and refractory bricks. The apparatus can be used for high-temperature reactors, especially electrically heated high-temperature reactors.
Type:
Grant
Filed:
August 5, 2019
Date of Patent:
February 20, 2024
Assignee:
BASF SE
Inventors:
Grigorios Kolios, Bernd Zoels, Hagen Appel, Jens Bernnat, Friedrich Glenk, Dieter Flick, Gerhard Olbert, Frederik Scheiff, Christopher Alec Anderlohr
Abstract: Novel methods of recovering neodymium and related rare earth elements from permanent magnets of various compositions are described. The methods employ processing steps including converting the magnet material to a higher surface area form such as a powder, treating the mixture with alkaline solutions to form product concentrated in neodymium and rare earth metals. Inexpensive materials such as ammonia, ammonium carbonate, carbon dioxide, water are recycled in a process that uses moderate temperatures, pressures and non-corrosive and environmentally-friendly chemicals.
Type:
Grant
Filed:
August 20, 2021
Date of Patent:
February 20, 2024
Inventors:
Mark Berggren, Robert Zubrin, John T. Henri, Boris Nizamov