Patents by Inventor Ethan B. Secor

Ethan B. Secor has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • NANOSTRUCTURED LITHIUM-ION BATTERY ELECTRODE COMPOSITE MATERIALS VIA CONFORMAL GRAPHENE DISPERSION
    Publication number: 20240079637
    Abstract: An electrode for a lithium-ion battery includes a substrate; and a composite deposited on the substrate, wherein the composite comprises layered graphene comprising mono-, bi- and n-layered graphene, wherein n is an integer selected from 3-about 6; and nanoparticles of a material selected from a cathode active material and an anode active material, wherein the surface of each of said nanoparticles is coupled to and conformally coated with said layered graphene, and wherein said layered graphene is not graphene oxide and is not reduced graphene oxide.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 7, 2024
    Inventors: Mark C. Hersam, Kan-Sheng Chen, Ethan B. Secor
  • Nanostructured lithium-ion battery electrode composite materials via conformal graphene dispersion
    Patent number: 11876168
    Abstract: Composites comprising anode and cathode active materials conformally coupled to few-layered graphene, corresponding electrodes and related methods of preparation.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 16, 2024
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Kan-Sheng Chen, Ethan B. Secor
  • High-performance solid-state supercapacitors and microsupercapacitors derived from printable graphene inks
    Patent number: 11492720
    Abstract: Solid-state supercapacitors and microsupercapacitors comprising printed graphene electrodes and related methods of preparation.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: November 8, 2022
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Ethan B. Secor, Lei Li
  • NANOSTRUCTURED LITHIUM-ION BATTERY ELECTRODE COMPOSITE MATERIALS VIA CONFORMAL GRAPHENE DISPERSION
    Publication number: 20210344036
    Abstract: Composites comprising anode and cathode active materials conformally coupled to few-layered graphene, corresponding electrodes and related methods of preparation.
    Type: Application
    Filed: July 7, 2021
    Publication date: November 4, 2021
    Inventors: Mark C. Hersam, Kan-Sheng Chen, Ethan B. Secor
  • Nanostructured lithium-ion battery electrode composite materials via conformal graphene dispersion
    Patent number: 11088392
    Abstract: Composites comprising anode and cathode active materials conformally coupled to few-layered graphene, corresponding electrodes and related methods of preparation.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 10, 2021
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Kan-Sheng Chen, Ethan B. Secor
  • Conductive graphene interfacial barriers for liquid metal electronics
    Patent number: 11057994
    Abstract: Articles, electronic devices and related methods of fabrication interfacing graphene with a gallium liquid metal alloy.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: July 6, 2021
    Assignees: NORTHWESTERN UNIVERSITY, GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
    Inventors: Mark C. Hersam, Ethan B. Secor, Alexander B. Cook, Christopher Tabor
  • Methods for preparation of concentrated graphene ink compositions and related composite materials
    Patent number: 10800939
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 13, 2020
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier
  • CONDUCTIVE GRAPHENE INTERFACIAL BARRIERS FOR LIQUID METAL ELECTRONICS
    Publication number: 20200229304
    Abstract: Articles, electronic devices and related methods of fabrication interfacing graphene with a gallium liquid metal alloy.
    Type: Application
    Filed: October 3, 2018
    Publication date: July 16, 2020
    Inventors: Mark C. HERSAM, Ethan B. SECOR, Alexander B. COOK, Christopher TABOR
  • Methods for preparation of concentrated graphene ink compositions and related composite materials
    Patent number: 10676629
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: June 9, 2020
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier
  • Methods for preparation of concentrated graphene ink compositions and related composite materials
    Patent number: 10590294
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: March 17, 2020
    Assignees: NORTHWESTERN UNIVERSITY, PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier, Bok Y. Ahn, Jennifer A. Lewis
  • High-resolution patterning of graphene by screen and gravure printing for highly flexible printed electronics
    Patent number: 10479905
    Abstract: Graphene ink compositions as can be utilized with gravure and screen printing processes, to provide flexible electronic components with high-resolution printed graphene circuitry.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 19, 2019
    Assignees: NORTHWESTERN UNIVERSITY, REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Mark C. Hersam, Ethan B. Secor, Sooman Lim, C. Daniel Frisbie, Lorraine F. Francis, Woo Jin Hyun
  • Graphene-based ink compositions for three-dimensional printing applications
    Patent number: 10350329
    Abstract: Electrically conducting, biocompatible, biodegradable tissue growth comprising graphene flakes in a polymeric matrix are provided.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 16, 2019
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Ramille N. Shah, Adam E. Jakus, Mark C. Hersam, Ethan B. Secor
  • Enhanced conductivity, adhesion and environmental stability of printed graphene inks with nitrocellulose
    Patent number: 10280317
    Abstract: Graphene ink compositions comprising nitrocellulose and related methods of use comprising either thermal or photonic annealing.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: May 7, 2019
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Mark C. Hersam, Ethan B. Secor, Theodore Z. Gao
  • Nanostructured Lithium-Ion Battery Electrode Composite Materials via Conformal Graphene Dispersion
    Publication number: 20180254517
    Abstract: Composites comprising anode and cathode active materials conformally coupled to few-layered graphene, corresponding electrodes and related methods of preparation.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 6, 2018
    Inventors: Mark C. Hersam, Kan-Sheng Chen, Ethan B. Secor
  • Methods for Preparation of Concentrated Graphene Ink Compositions and Related Composite Materials
    Publication number: 20180187032
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Application
    Filed: February 26, 2018
    Publication date: July 5, 2018
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier, Bok Y. Ahn, Jennifer A. Lewis
  • High-Resolution Patterning of Graphene by Screen and Gravure Printing for Highly Flexible Printed Electronics
    Publication number: 20180100080
    Abstract: Graphene ink compositions as can be utilized with gravure and screen printing processes, to provide flexible electronic components with high-resolution printed graphene circuitry.
    Type: Application
    Filed: December 8, 2017
    Publication date: April 12, 2018
    Inventors: Mark C. Hersam, Ethan B. Secor, Sooman Lim, C. Daniel Frisbie, Lorraine F. Francis, Woo Jin Hyun
  • Methods for Preparation of Concentrated Graphene Ink Compositions and Related Composite Materials
    Publication number: 20180094156
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Application
    Filed: December 4, 2017
    Publication date: April 5, 2018
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier
  • Methods for Preparation of Concentrated Graphene Ink Compositions and Related Composite Materials
    Publication number: 20180086932
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Application
    Filed: December 4, 2017
    Publication date: March 29, 2018
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier
  • Methods for preparation of concentrated graphene ink compositions and related composite materials
    Patent number: 9902866
    Abstract: A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: February 27, 2018
    Assignees: Northwestern University, President and Fellows of Harvard College
    Inventors: Mark C. Hersam, Yu Teng Liang, Ethan B. Secor, Pradyumna L. Prabhumirashi, Kanan P. Puntambekar, Michael L. Geier, Bok Y. Ahn, Jennifer A. Lewis
  • High-Performance Solid-State Supercapacitors and Microsupercapacitors Derived from Printable Graphene Inks
    Publication number: 20180010260
    Abstract: Solid-state supercapacitors and microsupercapacitors comprising printed graphene electrodes and related methods of preparation.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 11, 2018
    Inventors: Mark C. Hersam, Ethan B. Secor, Lei Li