Patents by Inventor Huimin Luo

Huimin Luo 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: 20240155248
    Abstract: A method and apparatus for generating a high-dynamic-range image, storage medium, and electronic device are provided.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Yanxin SHEN, Ning LUO, Huimin SONG
  • Publication number: 20240093142
    Abstract: The present invention relates to the fields of microorgan-isms, feed, food and ecological restoration, in particular to a strain for degrading deoxynivalenol (DON) and the use thereof. The strain has the deposit number CCTCC No. M 2020565. The strain can grow by means of taking the toxic compound DON as a sole carbon source, and convert the DON into chemical components for itself. The reaction process is irreversible, the reaction conditions are moderate, and secondary pollu-tion cannot be caused. The strain provided in the present invention can be used for preparing a biological detoxification preparation for DON. The strain provided in the present invention can be used for degrading DON in feed and food raw materials, primary processing products, deep processing products and related processing byproducts. The strain provided in the present invention can be applied to various ecosystems such as soil or bodies of water polluted by DON to achieve the purposes of DON degradation and ecological restoration.
    Type: Application
    Filed: November 11, 2021
    Publication date: March 21, 2024
    Inventors: Huiying LUO, Honghai ZHANG, Bin YAO, Huoqing HUANG, Yaru WANG, Yingguo BAI, Xiaoyun SU, Yuan WANG, Tao TU, Jie ZHANG, Huimin YU, Xing QIN, Xiaolu WANG
  • Patent number: 11795583
    Abstract: A method for producing polyacrylonitrile (PAN) fiber, the method comprising: (i) mixing PAN with an ionic liquid in which the PAN is soluble to produce a PAN composite melt in which the PAN is dissolved in the ionic liquid; (ii) melt spinning the PAN composite melt to produce the PAN fiber; and (iii) washing the PAN fiber with a solvent in which the ionic liquid is soluble to substantially remove the ionic liquid from the PAN fiber. Also described herein is a method for producing carbon fiber from the PAN fiber as produced above, the method comprising oxidatively stabilizing the PAN fiber produced in step (iii), followed by carbonizing the stabilized PAN fiber to produce the carbon fiber. The initially produced PAN fiber, stabilized PAN fiber, resulting carbon fiber, and articles made thereof are also described.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: October 24, 2023
    Assignees: UT-Battelle, LLC, University of Tennessee Research Foundation
    Inventors: Sheng Dai, Huimin Luo, Halie J. Martin
  • Patent number: 11760766
    Abstract: An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R1, R2, R3, and R4 are independently selected from hydrogen atom and hydrocarbon groups having one to four carbon atoms with optional interconnection to form a cyclic group that includes Z, and wherein R1, R2, R3, and R4 are all hydrocarbon groups when Z is P, and X? is a phosphorus-containing or carboxylate anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base lubricant, wherein the ionic liquid is dissolved in the base lubricant. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 19, 2023
    Assignee: UT-Battelle, LLC
    Inventors: Jun Qu, Huimin Luo, Xin He
  • Publication number: 20230268574
    Abstract: A method for processing spent nickel-based cathode material useful in lithium-based batteries, the method comprising: (i) producing an initial mixture containing the spent nickel-based cathode material and a molten salt system comprising cations and anions, wherein the cations comprise lithium cations; (ii) heating the initial mixture to a temperature of 700° C. to 900° C. for at least 1 hour to produce a relithiated cathode material; and (iii) washing the relithiated cathode material to remove any residual salt. In a further method, the cations comprise nickel and lithium cations and the anions comprise chloride or bromide anion in combination with at least one of nitrate, sulfate, and carbonate anions in further combination with hydroxide anion, wherein the method results in upcycling of the nickel-based cathode material to produce a version of said relithiated cathode material having a greater nickel content.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 24, 2023
    Inventors: Sheng Dai, Huimin Luo, Bishnu P. Thapaliya, Tao Wang
  • Publication number: 20230250576
    Abstract: A method for converting amorphous carbon fiber to graphitized carbon fiber, the method comprising immersing the amorphous carbon fiber into a molten anhydrous alkaline earth salt (e.g., CaCl2) and/or MgCl2) maintained at a temperature within a range of 720° C.-920° C. or 780° C.-920° C. while the amorphous carbon fiber is cathodically polarized at a voltage within a range of ?2.2V to ?2.8V for a period of time (e.g., 0.5-6 hours) to result in conversion of the amorphous carbon fiber to the graphitized carbon fiber, wherein the graphitized carbon fiber is at least partially graphitized.
    Type: Application
    Filed: February 9, 2023
    Publication date: August 10, 2023
    Inventors: Sheng Dai, Prashant Bagri, Huimin Luo
  • Publication number: 20220376240
    Abstract: A method for relithiating cathode material from spent lithium-based batteries, the method comprising: (i) mixing delithiated cathode material and a lithium salt with an ionic liquid in which the lithium salt is at least partially soluble to form an initial mixture; (ii) heating the initial mixture to a temperature of 100° C. to 300° C. to result in relithiation of the delithiated cathode material; and (iii) separating the ionic liquid from the relithiated cathode material; wherein, in embodiments, the cathode material is a lithium metal oxide, wherein the metal is selected from the group consisting of Ni, Co, Fe, Mn, Al, Zr, Ti, Nb, and combinations thereof, or wherein the cathode material has the formula LiNixMnyCozO2, wherein x>0, y>0, z>0, and x+y+z=1; wherein, in some embodiments, the ionic liquid has a nitrogen-containing cationic portion, such as an imidazolium ionic liquid.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 24, 2022
    Inventors: Huimin Luo, Sheng Dai, Tao Wang, Ilias Belharouak, Jianlin Li, Yaocai Bai
  • Publication number: 20220235493
    Abstract: A method for producing polyacrylonitrile (PAN) fiber, the method comprising: (i) mixing PAN with an ionic liquid in which the PAN is soluble to produce a PAN composite melt in which the PAN is dissolved in the ionic liquid; (ii) melt spinning the PAN composite melt to produce the PAN fiber; and (iii) washing the PAN fiber with a solvent in which the ionic liquid is soluble to substantially remove the ionic liquid from the PAN fiber. Also described herein is a method for producing carbon fiber from the PAN fiber as produced above, the method comprising oxidatively stabilizing the PAN fiber produced in step (iii), followed by carbonizing the stabilized PAN fiber to produce the carbon fiber. The initially produced PAN fiber, stabilized PAN fiber, resulting carbon fiber, and articles made thereof are also described.
    Type: Application
    Filed: January 21, 2022
    Publication date: July 28, 2022
    Inventors: Sheng Dai, Huimin Luo, Halie J. Martin
  • Publication number: 20220033423
    Abstract: An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R1, R2, R3, and R4 are independently selected from hydrogen atom and hydrocarbon groups having one to four carbon atoms with optional interconnection to form a cyclic group that includes Z, and wherein R1, R2, R3, and R4 are all hydrocarbon groups when Z is P, and X? is a phosphorus-containing or carboxylate anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base lubricant, wherein the ionic liquid is dissolved in the base lubricant. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 3, 2022
    Inventors: Jun Qu, Huimin Luo, Xin He
  • Patent number: 11186893
    Abstract: A method for extracting a rare earth element from a rare earth-containing substance, the method comprising mixing the rare earth-containing substance with a protic ionic liquid, such as: wherein R1 is selected from hydrogen atom and hydrocarbon groups containing 1 to 6 carbon atoms; R2 and R3 are independently selected from hydrocarbon groups containing 1 to 12 carbon atoms; and X? is an anionic species; to produce a composition of the formula (RE)(amide)yXz at least partially dissolved in the protic ionic liquid, wherein RE is at least one rare earth element having an atomic number selected from 39, 57-71, and 90-103; y is 2-6; z is a number that charge balances the total positive charge of RE; and the amide is the conjugate base of the cationic portion of the protic ionic liquid of Formula (1) and has the following formula:
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: November 30, 2021
    Assignee: UT-Battelle, LLC
    Inventors: John William Freiderich, Huimin Luo, Bruce A. Moyer, Sheng Dai
  • Publication number: 20210229997
    Abstract: A method for converting amorphous boron nitride to crystalline boron nitride, the method comprising immersing the amorphous boron nitride into anhydrous molten magnesium chloride maintained within a temperature range of 720° C.-820° C. while the amorphous boron nitride is cathodically polarized at a voltage within a range of ?2.2V to ?2.8V for a period of time of at least 2 minutes to result in conversion of the amorphous boron nitride to the crystalline form. Also described herein is a method for converting an amorphous carbon material to a crystalline carbon material, the method comprising immersing said amorphous carbon material into anhydrous molten magnesium chloride maintained within a temperature range of 780° C.-820° C. while the amorphous carbon material is cathodically polarized at a voltage within a range of ?2.2V to ?2.8V for a period of time of at least 2 minutes to result in conversion of the amorphous carbon material to the crystalline form.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 29, 2021
    Inventors: Prashant BAGRI, Sheng DAI, Huimin LUO
  • Publication number: 20210222042
    Abstract: A heat transfer (exchange) composition comprising a halide salt matrix having dispersed therein nanoparticles comprising elemental carbon in the absence of water and surfactants, wherein said halide is fluoride or chloride, wherein the halide salt may be an alkali halide salt (e.g., lithium fluoride, sodium fluoride, potassium fluoride, rubidium fluoride, sodium chloride, potassium chloride, rubidium chloride, and eutectic mixtures thereof) or an alkaline earth halide salt (e.g., fluoride or chloride salt of beryllium, magnesium, calcium, strontium, or barium), and wherein the nanoparticles comprising elemental carbon may be solid or hollow, and wherein the composition may further include nanoparticles comprising a fissile material (e.g., U, Th, or Pu) dispersed within the composition. Molten salt reactors (MSRs) containing these heat transfer compositions in coolant loops in thermal exchange with a reactor core, as well operation of such MSRs, are also described.
    Type: Application
    Filed: July 19, 2018
    Publication date: July 22, 2021
    Inventors: Sheng Dai, Carter W. Abney, Richard T. Mayes, Dmitriy Dolzhnikov, Huimin Luo
  • Patent number: 11050094
    Abstract: A heat transfer (exchange) composition comprising a halide salt matrix having dispersed therein nanoparticles comprising elemental carbon in the absence of water and surfactants, wherein said halide is fluoride or chloride, wherein the halide salt may be an alkali halide salt (e.g., lithium fluoride, sodium fluoride, potassium fluoride, rubidium fluoride, sodium chloride, potassium chloride, rubidium chloride, and eutectic mixtures thereof) or an alkaline earth halide salt (e.g., fluoride or chloride salt of beryllium, magnesium, calcium, strontium, or barium), and wherein the nanoparticles comprising elemental carbon may be solid or hollow, and wherein the composition may further include nanoparticles comprising a fissile material (e.g., U, Th, or Pu) dispersed within the composition. Molten salt reactors (MSRs) containing these heat transfer compositions in coolant loops in thermal exchange with a reactor core, as well operation of such MSRs, are also described.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: June 29, 2021
    Assignee: UT-Battelle, LLC
    Inventors: Sheng Dai, Carter W. Abney, Richard T. Mayes, Dmitriy Dolzhnikov, Huimin Luo
  • Publication number: 20200370144
    Abstract: A method for extracting a rare earth element from a rare earth-containing substance, the method comprising mixing the rare earth-containing substance with a protic ionic liquid, such as: wherein R1 is selected from hydrogen atom and hydrocarbon groups containing 1 to 6 carbon atoms; R2 and R3 are independently selected from hydrocarbon groups containing 1 to 12 carbon atoms; and X? is an anionic species; to produce a composition of the formula (RE)(amide)yXz at least partially dissolved in the protic ionic liquid, wherein RE is at least one rare earth element having an atomic number selected from 39, 57-71, and 90-103; y is 2-6; z is a number that charge balances the total positive charge of RE; and the amide is the conjugate base of the cationic portion of the protic ionic liquid of Formula (1) and has the following formula:
    Type: Application
    Filed: May 22, 2020
    Publication date: November 26, 2020
    Applicant: UT-Battelle, LLC
    Inventors: John William FREIDERICH, Huimin LUO, Bruce A. MOYER, Sheng DAI
  • Patent number: 10738202
    Abstract: A method of thermally insulating a surface, the method comprising applying a coating of a thermally insulating composition onto said surface, wherein said thermally insulating composition comprises: (i) hollow spherical nanoparticles having a mean particle size of less than 800 nm in diameter and a particle size distribution in which at least 90% of the hollow spherical nanoparticles have a size within ±20% of said mean particle size, and a first layer of cationic or anionic molecules attached to said surfaces of the hollow spherical nanoparticles; and (ii) a second layer of molecules of opposite charge to the first layer of molecules, wherein said second layer of molecules of opposite charge are ionically associated with said first layer of molecules, wherein the molecules in said second layer have at least eight carbon atoms.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 11, 2020
    Assignees: UT-Battelle, LLC, University of Tennessee Research Foundation, Virginia Tech
    Inventors: Sheng Dai, Jinshui Zhang, Xueguang Jiang, Shannon Mark Mahurin, Xiao-Guang Sun, Huimin Luo, Rui Qiao
  • Patent number: 10689727
    Abstract: A method for extracting a rare earth element from a rare earth-containing substance, the method comprising mixing the rare earth-containing substance with a protic ionic liquid, such as: wherein R1 is selected from hydrogen atom and hydrocarbon groups containing 1 to 6 carbon atoms; R2 and R3 are independently selected from hydrocarbon groups containing 1 to 12 carbon atoms; and X? is an anionic species; to produce a composition of the formula (RE)(amide)yXz at least partially dissolved in the protic ionic liquid, wherein RE is at least one rare earth element having an atomic number selected from 39, 57-71, and 90-103; y is 2-6; z is a number that charge balances the total positive charge of RE; and the amide is the conjugate base of the cationic portion of the protic ionic liquid of Formula (1) and has the following formula:
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: June 23, 2020
    Assignee: UT-Battelle, LLC
    Inventors: John William Freiderich, Huimin Luo, Bruce A. Moyer, Sheng Dai
  • Patent number: 10435642
    Abstract: An ionic liquid composition having the following generic structural formula: wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X? is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: October 8, 2019
    Assignee: UT-BATTELLE, LLC.
    Inventors: Jun Qu, Huimin Luo
  • Publication number: 20180208869
    Abstract: An ionic liquid composition having the following generic structural formula: wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X? is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.
    Type: Application
    Filed: March 22, 2018
    Publication date: July 26, 2018
    Applicant: UT-Battelle, LLC
    Inventors: Jun Qu, Huimin Luo
  • Publication number: 20180194954
    Abstract: A method of thermally insulating a surface, the method comprising applying a coating of a thermally insulating composition onto said surface, wherein said thermally insulating composition comprises: (i) hollow spherical nanoparticles having a mean particle size of less than 800 nm in diameter and a particle size distribution in which at least 90% of the hollow spherical nanoparticles have a size within ±20% of said mean particle size, and a first layer of cationic or anionic molecules attached to said surfaces of the hollow spherical nanoparticles; and (ii) a second layer of molecules of opposite charge to the first layer of molecules, wherein said second layer of molecules of opposite charge are ionically associated with said first layer of molecules, wherein the molecules in said second layer have at least eight carbon atoms.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 12, 2018
    Inventors: Sheng DAI, Jinshui ZHANG, Xueguang JIANG, Shannon Mark Mahurin, Xiao-Guang SUN, Huimin LUO, Rui QIAO
  • Patent number: 9957460
    Abstract: An ionic liquid composition having the following generic structural formula: wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X? is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: May 1, 2018
    Assignee: UT-BATTELLE, LLC
    Inventors: Jun Qu, Huimin Luo