Patents by Inventor Elena Shevchenko

Elena Shevchenko 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).

  • Publication number: 20230392254
    Abstract: Polymers of intrinsic microporosity are used herein as polymer templates for forming mechanical robust inorganic porous coatings that can be beneficially used as anti-reflective coatings.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 7, 2023
    Inventors: Elena Shevchenko, Supratik Guha, Zhongbo Zhang, Cheng Ji
  • Publication number: 20230332286
    Abstract: The disclosure relates to a method for forming a low refractive index layer on a substrate. The method generally includes (a) applying a block copolymer layer on a substrate, the block copolymer including a polar polymeric block and a non-polar polymeric block; (b) swelling the block copolymer layer with a solvent to increase the block copolymer layer thickness; (c) depositing a metal oxide or metalloid oxide layer on polar polymeric blocks of the block copolymer layer; and (d) removing the block copolymer layer from the substrate, thereby forming a porous metal oxide or metalloid oxide layer on the substrate.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: Elena Shevchenko, Diana Berman, Supratik Guha
  • Patent number: 11725275
    Abstract: The disclosure relates to a method for forming a low refractive index layer on a substrate. The method generally includes (a) applying a block copolymer layer on a substrate, the block copolymer including a polar polymeric block and a non-polar polymeric block; (b) swelling the block copolymer layer with a solvent to increase the block copolymer layer thickness; (c) depositing a metal oxide or metalloid oxide layer on polar polymeric blocks of the block copolymer layer; and (d) removing the block copolymer layer from the substrate, thereby forming a porous metal oxide or metalloid oxide layer on the substrate.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: August 15, 2023
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Elena Shevchenko, Diana Berman, Supratik Guha
  • Publication number: 20210315929
    Abstract: Products and methods for redirecting the pathological biochemical process of accumulation of reduced pyridine nucleotides under deleterious hypoxia conditions toward the reduction of the precursor salt and the biosynthesis of biologically compatible, antioxidant noble metal nanoparticles and the simultaneous restoring of the tissue redox state are provided. The products and methods have application in the treatment of hypoxia and hypoxia-related diseases and disorders. Such products and methods are also useful in organ transplantation and recovery, in screening of anti-hypoxia agents, and in detecting elevated levels of the reducing equivalents of the redox state, for example, NADH, NADPH, GSH, and TrxSH2, in cells, tissues, or organs.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 14, 2021
    Inventors: Elena A. Rozhkova, Elena Shevchenko
  • Patent number: 11123713
    Abstract: Provided herein is a method of preparing a porous composite ceramic material and a porous composite ceramic material made by the method of preparing.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 21, 2021
    Assignees: UCHICAGO ARGONNE, LLC, UNIVERSITY OF NORTH TEXAS, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Diana Berman, Elena Shevchenko, Matteo Cargnello, Benjamin Diroll, Emmett Goodman
  • Publication number: 20210028451
    Abstract: The present invention provides a nanostructured metal oxide material for use as a component of an electrode in a sodium-ion battery. The material comprises a nanostructured titanium oxide film on a metal foil substrate, which can be produced by depositing or forming a nanostructured titanium dioxide material on the substrate, and then, optionally, charging and discharging the material in an electrochemical cell to improve the capacity and Coulombic efficiency thereof.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. JOHNSON, Hui XIONG, Tijana RAJH, Elena SHEVCHENKO, Sanja TEPAVCEVIC
  • Publication number: 20200406235
    Abstract: Provided herein is a method of preparing a porous composite ceramic material and a porous composite ceramic material made by the method of preparing.
    Type: Application
    Filed: June 25, 2019
    Publication date: December 31, 2020
    Inventors: Diana Berman, Elena Shevchenko, Matteo Cargnello, Benjamin Diroll, Emmett Goodman
  • Publication number: 20190017166
    Abstract: The disclosure relates to a method for forming a low refractive index layer on a substrate. The method generally includes (a) applying a block copolymer layer on a substrate, the block copolymer including a polar polymeric block and a non-polar polymeric block; (b) swelling the block copolymer layer with a solvent to increase the block copolymer layer thickness; (c) depositing a metal oxide or metalloid oxide layer on polar polymeric blocks of the block copolymer layer; and (d) removing the block copolymer layer from the substrate, thereby forming a porous metal oxide or metalloid oxide layer on the substrate.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 17, 2019
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Elena Shevchenko, Diana Berman, Supratik Guha
  • Publication number: 20180248185
    Abstract: The present invention provides a nanostructured metal oxide material for use as a component of an electrode in a lithium-ion or sodium-ion battery. The material comprises a nanostructured titanium oxide or vanadium oxide film on a metal foil substrate, produced by depositing or forming a nanostructured titanium dioxide or vanadium oxide material on the substrate, and then, optionally, charging and discharging the material in an electrochemical cell from a high voltage in the range of about 2.8 to 3.8 V, to a low voltage in the range of about 0.8 to 1.4 V over a period of about 1/30 of an hour or less. Lithium-ion and sodium-ion electrochemical cells comprising electrodes formed from the nanostructured metal oxide materials, as well as batteries formed from the cells, also are provided.
    Type: Application
    Filed: March 15, 2018
    Publication date: August 30, 2018
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. JOHNSON, Hui XIONG, Tijana RAJH, Elena SHEVCHENKO, Sanja TEPAVCEVIC
  • Patent number: 9991512
    Abstract: A thermally conductive electrochemical cell comprises a lithium ion-containing liquid electrolyte contacting a cathode and anode. The cathode and anode are in the form of electroactive sheets separated from each other by a membrane that is permeable to the electrolyte. One or more of the cathode and anode comprises two or more layers of carbon nanotubes, one of which layers includes electrochemically active nanoparticles and/or microparticles disposed therein or deposited on the nanotubes thereof. The majority of the carbon nanotubes in each of the layers are oriented generally parallel to the layers. Optionally, one or more of the layers includes an additional carbon material such as graphene, nanoparticulate diamond, microparticulate diamond, and a combination thereof.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 5, 2018
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Elena Shevchenko, Anirudha V. Sumant, Alexander Balandin, Bonil Koo, Christopher Johnson, Tijana Rajh, Eungje Lee
  • Patent number: 9935314
    Abstract: The present invention provides a nanostructured metal oxide material for use as a component of an electrode in a lithium-ion or sodium-ion battery. The material comprises a nanostructured titanium oxide or vanadium oxide film on a metal foil substrate, produced by depositing or forming a nanostructured titanium dioxide or vanadium oxide material on the substrate, and then charging and discharging the material in an electrochemical cell from a high voltage in the range of about 2.8 to 3.8 V, to a low voltage in the range of about 0.8 to 1.4 V over a period of about 1/30 of an hour or less. Lithium-ion and sodium-ion electrochemical cells comprising electrodes formed from the nanostructured metal oxide materials, as well as batteries formed from the cells, also are provided.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 3, 2018
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. Johnson, Hui Xiong, Tijana Rajh, Elena Shevchenko, Sanja Tepavcevic
  • Publication number: 20160308263
    Abstract: A thermally conductive electrochemical cell comprises a lithium ion-containing liquid electrolyte contacting a cathode and anode. The cathode and anode are in the form of electroactive sheets separated from each other by a membrane that is permeable to the electrolyte. One or more of the cathode and anode comprises two or more layers of carbon nanotubes, one of which layers includes electrochemically active nanoparticles and/or microparticles disposed therein or deposited on the nanotubes thereof. The majority of the carbon nanotubes in each of the layers are oriented generally parallel to the layers. Optionally, one or more of the layers includes an additional carbon material such as graphene, nanoparticulate diamond, microparticulate diamond, and a combination thereof.
    Type: Application
    Filed: July 2, 2015
    Publication date: October 20, 2016
    Inventors: Elena SHEVCHENKO, Anirudha V. SUMANT, Alexander BALANDIN, Bonil KOO, Christopher JOHNSON, Tijana RAJH, Eungje LEE
  • Patent number: 9391319
    Abstract: A cathode comprises, in its discharged state, a layer of hollow ?-Fe2O3 nanoparticles disposed between two layers of carbon nanotubes, and preferably including a metallic current collector in contact with one of the layers of carbon nanotubes. Individual particles of the hollow ?-Fe2O3 nanoparticles comprise a crystalline shell of ?-Fe2O3 including cation vacancies within the crystal structure of the shell (i.e., iron vacancies of anywhere between 3% to 90%, and preferably 44 to 77% of available octahedral iron sites). Sodium ions are intercalated within at least some of the cation vacancies within the crystalline shell of the hollow ?-Fe2O3 nanoparticles.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: July 12, 2016
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Elena Shevchenko, Tijana Rajh, Christopher S. Johnson, Bonil Koo
  • Publication number: 20150171419
    Abstract: A cathode comprises, in its discharged state, a layer of hollow ?-Fe2O3 nanoparticles disposed between two layers of carbon nanotubes, and preferably including a metallic current collector in contact with one of the layers of carbon nanotubes. Individual particles of the hollow ?-Fe2O3 nanoparticles comprise a crystalline shell of ?-Fe2O3 including cation vacancies within the crystal structure of the shell (i.e., iron vacancies of anywhere between 3% to 90%, and preferably 44 to 77% of available octahedral iron sites). Sodium ions are intercalated within at least some of the cation vacancies within the crystalline shell of the hollow ?-Fe2O3 nanoparticles.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 18, 2015
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Elena SHEVCHENKO, Tijana RAJH, Christopher S. JOHNSON, Bonil KOO
  • Publication number: 20140357910
    Abstract: An article and method of manufacture of a catalyst. The article includes a nanoparticle of a noble metal based on material with a primary alkylamine layer disposed on the surface of the nanoparticle catalyst. The alkylamine layer of at least about one monolayer establishes a minimum level of selectivity for hydrogenation reactions.
    Type: Application
    Filed: May 30, 2013
    Publication date: December 4, 2014
    Inventors: Elena Shevchenko, Soongu Kwon, Emilio Bunel, Galyna Krylova, Julius Jellinek, Aslihan Sumer, Christopher L. Marshall
  • Publication number: 20140212733
    Abstract: The present invention provides a nanostructured metal oxide material for use as a component of an electrode in a lithium-ion or sodium-ion battery. The material comprises a nanostructured titanium oxide or vanadium oxide film on a metal foil substrate, produced by depositing or forming a nanostructured titanium dioxide or vanadium oxide material on the substrate, and then charging and discharging the material in an electrochemical cell from a high voltage in the range of about 2.8 to 3.8 V, to a low voltage in the range of about 0.8 to 1.4 V over a period of about 1/30 of an hour or less. Lithium-ion and sodium-ion electrochemical cells comprising electrodes formed from the nanostructured metal oxide materials, as well as batteries formed from the cells, also are provided.
    Type: Application
    Filed: March 27, 2014
    Publication date: July 31, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Christopher S. JOHNSON, Hui XIONG, Tijana RAJH, Elena SHEVCHENKO, Sanja TEPAVCEVIC
  • Publication number: 20130146141
    Abstract: An article of manufacture and method for making a luminescent solar concentrator or a wavelength shifting device. The article includes a light guide or optical medium with a luminescent material disposed therein or deposited on the surface. The luminescent material is formulated to absorb incoming radiation and wavelength shift that radiation to a larger wavelength for processing and use, and to minimize reabsorption of the shifted radiation by the luminescent material.
    Type: Application
    Filed: December 11, 2012
    Publication date: June 13, 2013
    Inventors: Matthew A. PELTON, Elena SHEVCHENKO, Seth B. DARLING, Roy J. HOLT, David H. POTTERVELD
  • Publication number: 20070057255
    Abstract: Nanoparticles coated with tetrazole and methods for preparing them are provided. The nanoparticles can be coated onto a substrate and used in fabricating devices such as field effect transistors, switches, sensors, solar cells and spring exchange magnets.
    Type: Application
    Filed: November 13, 2006
    Publication date: March 15, 2007
    Applicants: International Business Machines Corporation, Columbia University
    Inventors: Christopher Murray, Elena Shevchenko, Dmitri Talapin