Patents by Inventor Liyu Li

Liyu Li 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).

  • Patent number: 11499057
    Abstract: The present invention discloses a method of preparing a terpolymer-doped polyaniline super-hydrophobic composite anticorrosive paint. The method includes: firstly by adopting solution polymerization, stirring a hydrophilic vinyl monomer, a fluorine-containing acrylate monomer and an oil-soluble initiator in a solvent evenly and carrying out a reaction for a period of time, then adding a functional acrylic monomer or long-chain acrylate monomer as a third monomer for further reaction for a period of time to obtain a fluorine-containing terpolymer surfactant; then mixing the fluorine-containing terpolymer surfactant with an aniline monomer and an oxidant evenly, and carrying out a reaction for a period of time to obtain super-hydrophobic polyaniline; and finally dispersing the prepared super-hydrophobic polyaniline evenly in a resin matrix to prepare the polyaniline super-hydrophobic composite anticorrosive paint with an excellent anticorrosive performance.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: November 15, 2022
    Inventors: Haihua Wang, Liyu Sun, Guiqiang Fei, Yongning Ma, Yanyu Li
  • Patent number: 11396518
    Abstract: Disclosed is an amorphous solid form of compound (S)—N-[5-[1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-4,6-dioxo-5,6-dihydro-4H-thieno[3,4-c]pyrrole-1-yl]acetamide.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: July 26, 2022
    Assignee: TIANJIN HEMAY PHARMACEUTICAL CO., LTD.
    Inventors: Donglei Zhang, Liyu Wang, Xingwen Li
  • Publication number: 20220158213
    Abstract: One embodiment is a redox flow battery system that includes an anolyte; a catholyte; an anolyte tank configured for holding at least a portion of the anolyte; a catholyte tank configured for holding at least a portion of the catholyte; a primary redox flow battery arrangement, and a second redox flow battery arrangement. The primary and secondary redox flow battery arrangements share the anolyte and catholyte tanks and each includes a first half-cell including a first electrode in contact with the anolyte, a second half-cell including a second electrode in contact with the catholyte, a separator separating the first half-cell from the second half-cell, an anolyte pump, and a catholyte pump. The peak power delivery capacity of the secondary redox flow battery arrangement is less than the peak power delivery capacity of the primary redox flow battery arrangement.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 19, 2022
    Inventors: Liyu Li, Qingtao Luo
  • Publication number: 20220158214
    Abstract: A redox flow battery system includes an anolyte; a catholyte; a first half-cell including a first electrode in contact with the anolyte; a second half-cell including a second electrode in contact with the catholyte; a separator separating the anolyte in the first half-cell from the catholyte in the second half-cell; at least one state measurement device configured for intermittently, periodically, or continuously making a measurement of a value indicative of a state of charge of the anolyte or the catholyte before entering or after leaving the first half-cell or second half-cell, respectively; and a controller coupled to the at least one state measurement device for generating a temporal energy profile of the anolyte or the catholyte, respectively, using the measurements.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 19, 2022
    Inventors: Liyu Li, Qingtao Luo
  • Publication number: 20220158211
    Abstract: A method for preparation of electrolyte for a redox flow battery includes reducing chromium ore using a carbon source to convert the chromium ore to an iron/chromium alloy with carbon particles; dissolving the iron/chromium alloy with carbon particles in sulfuric acid to form a first solution; adding calcium chloride or barium chloride to the first solution to produce a second solution including FeCl3 and CrCl3; and adding an acid to the second solution to form the electrolyte. Other methods can be used for preparing an electrolyte from chromium waste material.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 19, 2022
    Inventors: Liyu Li, Qingtao Luo
  • Publication number: 20220158207
    Abstract: A redox flow battery system includes an anolyte having chromium ions in solution, wherein at least a portion of the chromium ions form a chromium complex with at least one of the following: NH3, NH4+, CO(NH2)2, SCN?, or CS(NH2)2; a catholyte having iron ions in solution; a first half-cell including a first electrode in contact with the anolyte; a second half-cell including a second electrode in contact with the catholyte; and a first separator separating the first half-cell from the second half-cell.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 19, 2022
    Inventors: Liyu Li, Qingtao Luo
  • Publication number: 20220158212
    Abstract: A redox flow battery system includes an anolyte; a catholyte; a first electrode structure including a base having a first surface and a second surface opposite the first surface, a first electrode disposed on the first surface, a second electrode disposed on the second surface, and conductive elements that extend through the base, wherein the base resists flow of anolyte and catholyte through the base and each of the conductive elements includes a first end portion exposed at the first surface and a second end portion exposed at the second surface, wherein the first electrode includes the first end portions of the conductive elements and the second electrode includes the second end portions of the conductive elements; a first half-cell in which the first electrode is in contact with the anolyte; and a second half-cell in which the second electrode is in contact with the catholyte.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 19, 2022
    Inventors: Liyu Li, Qingtao Luo
  • Patent number: 11335938
    Abstract: A method of operating a redox flow battery string including at least first and second redox flow batteries and an outside power source includes: providing a least first and second redox flow batteries in a string electrically connected in a string, and each redox flow battery having a state-or-charge (SOC); obtaining an SOC value for each redox flow battery in the string; identifying a target SOC value in the string; and adjusting the SOC value for at least one of the first and second redox flow batteries to correspond to the target SOC value.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 17, 2022
    Inventors: Chenxi Sun, Jinfeng Wu, Liyu Li, Jacob Parks, David Ridley
  • Publication number: 20220135404
    Abstract: A method for making an aqueous hypochlorous acid (HClO) solution includes electrolyzing a solution of sodium chloride to produce a solution of sodium hypochlorite; and producing the aqueous hypochlorous acid solution by adjusting a pH of the solution of sodium hypochlorite to a value within a range of 3 to 8 by adding a selected weak acid to the solution of sodium hypochlorite to produce a buffer including the selected weak acid and a salt of the selected weak acid.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 5, 2022
    Inventor: Liyu Li
  • Publication number: 20220069328
    Abstract: A redox flow battery system includes an anolyte having a first ionic species in solution; a catholyte having a second ionic species in solution, where the redox flow battery system is configured to reduce the first ionic species in the anolyte and oxidize the second ionic species in the catholyte during charging; a first electrode in contact with the anolyte, where the first electrode includes channels for collection of particles of reduced metallic impurities in the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte. A method of reducing metallic impurities in an anolyte of a redox flow battery system includes reducing the metallic impurities in the anolyte; collecting particles of the reduced metallic impurities; and removing the collected particles using a cleaning solution.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventors: Kui Wei, Liyu Li
  • Patent number: 11233263
    Abstract: A redox flow battery system includes an anolyte having a first ionic species in solution; a catholyte having a second ionic species in solution, where the redox flow battery system is configured to reduce the first ionic species in the anolyte and oxidize the second ionic species in the catholyte during charging; a first electrode in contact with the anolyte, where the first electrode includes channels for collection of particles of reduced metallic impurities in the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte. A method of reducing metallic impurities in an anolyte of a redox flow battery system includes reducing the metallic impurities in the anolyte; collecting particles of the reduced metallic impurities; and removing the collected particles using a cleaning solution.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: January 25, 2022
    Assignee: Creek Channel Inc.
    Inventors: Kui Wei, Liyu Li
  • Patent number: 11201345
    Abstract: A redox flow battery system includes an anolyte having chromium ions in solution; a catholyte having iron ions in solution, where a molar ratio of chromium in the anolyte to iron in the catholyte is at least 1.25; a first electrode in contact with the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 14, 2021
    Assignee: Creek Channel Inc.
    Inventors: Kui Wei, Liyu Li
  • Patent number: 11189854
    Abstract: A method for determining a storage capacity or average oxidation state (AOS) of a redox flow battery system including an anolyte and a catholyte includes discharging a portion of the anolyte and catholyte of the redox flow battery system at a discharge rate that is within 10% of a preselected discharge rate; after discharging the redox flow battery system, determining an end OCV; and determining the storage capacity or AOS from the end OCV. Other methods can be used to determine the storage capacity or AOS using a measured OCV.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: November 30, 2021
    Assignee: CREEK CHANNEL INC.
    Inventors: Kui Wei, Liyu Li
  • Patent number: 11097945
    Abstract: A method for making an aqueous hypochlorous acid (HClO) solution includes electrolyzing a solution of sodium chloride to produce a solution of sodium hypochlorite; and producing the aqueous hypochlorous acid solution by adjusting a pH of the solution of sodium hypochlorite to a value within a range of 3 to 8 by adding a selected weak acid to the solution of sodium hypochlorite to produce a buffer including the selected weak acid and a salt of the selected weak acid.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: August 24, 2021
    Assignee: COUGAR CREEK ELECTROLYSED WATER, LLC
    Inventor: Liyu Li
  • Publication number: 20200373602
    Abstract: A system includes a redox flow battery system that includes an anolyte, a catholyte, a first half-cell having a first electrode in contact with the anolyte, a second half-cell having a second electrode in contact with the catholyte, and a first separator separating the first half-cell from the second half-cell. The system also includes a balance arrangement that includes a balance electrolyte having vanadium ions in solution, a third half-cell having a third electrode in contact with the anolyte or the catholyte, a fourth half-cell having a fourth electrode in contact with the balance electrolyte, and a reductant in the balance electrolyte or introducible to the balance electrolyte for reducing dioxovanadium ions.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 26, 2020
    Inventors: Kui Wei, Liyu Li
  • Publication number: 20200373595
    Abstract: A method for determining a storage capacity or average oxidation state (AOS) of a redox flow battery system including an anolyte and a catholyte includes discharging a portion of the anolyte and catholyte of the redox flow battery system at a discharge rate that is within 10% of a preselected discharge rate; after discharging the redox flow battery system, determining an end OCV; and determining the storage capacity or AOS from the end OCV. Other methods can be used to determine the storage capacity or AOS using a measured OCV.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 26, 2020
    Inventors: Kui Wei, Liyu Li
  • Publication number: 20200373601
    Abstract: A redox flow battery system includes an anolyte having a first ionic species in solution; a catholyte having a second ionic species in solution, where the redox flow battery system is configured to reduce the first ionic species in the anolyte and oxidize the second ionic species in the catholyte during charging; a first electrode in contact with the anolyte, where the first electrode includes channels for collection of particles of reduced metallic impurities in the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte. A method of reducing metallic impurities in an anolyte of a redox flow battery system includes reducing the metallic impurities in the anolyte; collecting particles of the reduced metallic impurities; and removing the collected particles using a cleaning solution.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 26, 2020
    Inventors: Kui Wei, Liyu LI
  • Publication number: 20200373600
    Abstract: A redox flow battery system includes an anolyte having chromium ions in solution; a catholyte having iron ions in solution, where a molar ratio of chromium in the anolyte to iron in the catholyte is at least 1.25; a first electrode in contact with the anolyte; a second electrode in contact with the catholyte; and a separator separating the anolyte from the catholyte.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 26, 2020
    Inventors: Kui Wei, Liyu Li
  • Publication number: 20200373594
    Abstract: A method for determining an average oxidation state (AOS) of a redox flow battery system includes measuring a charge capacity for a low potential charging period starting from a discharged state of the redox flow battery system to a turning point of a charge voltage; and determining the AOS using the measured charge capacity and volumes of anolyte and catholyte of the redox flow battery system. Other methods can be used to determine the AOS for a redox flow battery system or use discharge voltage instead of charging voltage.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 26, 2020
    Inventors: Kui Wei, Liyu Li
  • Patent number: 10826102
    Abstract: A system includes a redox flow battery system that includes an anolyte, a catholyte, a first half-cell having a first electrode in contact with the anolyte, a second half-cell having a second electrode in contact with the catholyte, and a first separator separating the first half-cell from the second half-cell. The system also includes a balance arrangement that includes a balance electrolyte having vanadium ions in solution, a third half-cell having a third electrode in contact with the anolyte or the catholyte, a fourth half-cell having a fourth electrode in contact with the balance electrolyte, and a reductant in the balance electrolyte or introducible to the balance electrolyte for reducing dioxovanadium ions.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: November 3, 2020
    Assignee: CREEK CHANNEL INC.
    Inventors: Kui Wei, Liyu Li