Patents by Inventor Yoon Gyo Cho

Yoon Gyo Cho 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: 20250260053
    Abstract: Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a compound represented by Formula 2 as a second additive: wherein in Formulae 1 and 2, all the variables are described herein.
    Type: Application
    Filed: May 12, 2023
    Publication date: August 14, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jung Min Lee, Chul Haeng Lee, Jeong Woo Oh, Eun Bee Kim, Chul Eun Yeom, Jung Gu Han
  • Publication number: 20250201920
    Abstract: Provided is a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a compound represented by Formula 2 or Formula 3 as a second additive: wherein all the variables are described herein.
    Type: Application
    Filed: October 12, 2023
    Publication date: June 19, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Su Hyeon Ji, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Chul Eun Yeom, Jung Gu Han, Yoon Gyo Cho
  • Publication number: 20250183380
    Abstract: Provided is a lithium secondary battery comprising: a positive electrode comprising a lithium nickel cobalt manganese-based oxide as a positive electrode active material; a negative electrode comprising a negative electrode active material composed of Si; and a non-aqueous electrolyte comprising a lithium salt, an organic solvent and an additive, wherein the organic solvent comprises a compound of Formula 1 and fluoroethylene carbonate, and the compound of Formula 1 is comprised in greater than 15 wt % on the basis of the total of the non-aqueous electrolyte: wherein all the variables are described herein.
    Type: Application
    Filed: September 26, 2023
    Publication date: June 5, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jung Min Lee, Chul Haeng Lee
  • Patent number: 12294057
    Abstract: A non-aqueous electrolyte solution has improved high-temperature stability and high-temperature durability and a lithium secondary battery including the same. The non-aqueous electrolyte solution may include a lithium salt; a non-aqueous organic solvent; and a compound represented by Formula 1 of a specific structure: wherein R1 and R2 are described herein.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: May 6, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Yoon Gyo Cho, Chul Haeng Lee
  • Publication number: 20250006998
    Abstract: Provided is a non-aqueous electrolyte including a lithium salt and an organic solvent, wherein the organic solvent includes a compound represented by Formula 1 in an amount of 25 wt % to 80 wt % based on the total non-aqueous electrolyte: [Formula 1] wherein, in Formula 1, R1 and R2 may each independently be any one selected from the group consisting of hydrogen (H), an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and an aryl group having 6 to 20 carbon atoms, and X may be a perfluoroalkyl group having 1 to 5 carbon atoms.
    Type: Application
    Filed: May 16, 2023
    Publication date: January 2, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Sung Guk Park, Jeong Woo Oh, Chul Haeng Lee
  • Publication number: 20240429445
    Abstract: Provided is a non-aqueous electrolyte comprising a lithium salt; an organic solvent; and a compound represented by Formula 1 as an additive: wherein in Formula 1, R1 may be an alkyl group having 1 to 5 carbon atoms and optionally being substituted with fluorine, an aryl group having 6 to 8 carbon atoms and optionally being substituted with fluorine, or a nitrile group; and R2 to R4 are each independently an alkyl group having 1 to 5 carbon atoms.
    Type: Application
    Filed: August 3, 2023
    Publication date: December 26, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyung Mi Lee, Chul Haeng Lee, Jung Min Lee, Su Hyeon Ji, Chul Eun Yeom, Yoon Gyo Cho
  • Publication number: 20240339658
    Abstract: A non-aqueous electrolyte includes an organic solvent, a compound represented by Formula 1 as a first additive, and a compound represented by Formula 2 or Formula 3 as a second additive: in the formulas, R and R1 to R6 are as defined in the specification.
    Type: Application
    Filed: December 28, 2023
    Publication date: October 10, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ga Young Baek, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Su Hyeon Ji, Chul Eun Yeom, Yoon Gyo Cho
  • Publication number: 20240304862
    Abstract: A lithium secondary battery includes: a negative electrode including a silicon-based negative electrode active material; a positive electrode; a separator; and a non-aqueous electrolyte. The non-aqueous electrolyte contains: a lithium salt; an organic solvent; a compound of Formula 1 as a first additive; and a compound of Formula 2 as a second additive. Here, R is an alkylene group with 1 to 5 carbon atoms, which is substituted with fluorine, and R1 to R3 are each independently any one selected from the group consisting of H, an alkyl group with 1 to 5 carbon atoms, and a nitrile group. Here, R4 to R7 are each independently any one selected from the group consisting of an alkyl group with 1 to 10 carbon atoms, which is substituted with fluorine, and an alkenyl group with 2 to 10 carbon atoms, which is substituted with fluorine.
    Type: Application
    Filed: December 28, 2023
    Publication date: September 12, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jung Min Lee, Chul Haeng Lee, Kyung Mi Lee, Ga Young Baek, Su Hyeon Ji, Chul Eun Yeom
  • Publication number: 20240088440
    Abstract: A lithium secondary battery includes a negative electrode, a positive electrode positioned opposite to the negative electrode, a separator disposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a silicon-based active material, the silicon-based active material comprises a compound represented by SiOx, wherein 0?x<2, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a first additive and a second additive, the first additive includes a coumarin-based compound represented by Formula 1, and the second additive includes at least one of lithium fluoromalonato(difluoro)borate (LiFMDFB), lithium difluoro(oxalato)borate (LiDFOB), lithium difluorophosphate (LiDFP), or lithium difluorobis-(oxalate)phosphate (LiDFOP): wherein R and n are described herein.
    Type: Application
    Filed: August 17, 2023
    Publication date: March 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Eun Bee Kim, Su Hyeon Ji, Chul Eun Yeom, Jung Gu Han
  • Publication number: 20240047752
    Abstract: A non-aqueous electrolyte solution has improved high-temperature stability and high-temperature durability and a lithium secondary battery including the same. The non-aqueous electrolyte solution may include a lithium salt; a non-aqueous organic solvent; and a compound represented by Formula 1 of a specific structure: wherein R1 and R2 are described herein.
    Type: Application
    Filed: August 25, 2022
    Publication date: February 8, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Yoon Gyo Cho, Chul Haeng Lee
  • Patent number: 11894520
    Abstract: The present disclosure provides a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a polymer including a repeating unit represented by Formula 2-1, Formula 2-2, and Formula 2-3 as a second additive: all the variables are described herein.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: February 6, 2024
    Inventors: Yoon Gyo Cho, Jeong Woo Oh, Chul Haeng Lee
  • Patent number: 11881556
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive including a repeating unit represented by Formula 1 and a repeating unit represented by Formula 2 below: wherein X, R, R1 and R2 are described herein.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: January 23, 2024
    Inventors: Yoon Gyo Cho, Jeong Woo Oh, Chul Haeng Lee
  • Publication number: 20230238580
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive including a repeating unit represented by Formula 1 and a repeating unit represented by Formula 2 below: wherein X, R, R1 and R2 are described herein.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 27, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jeong Woo Oh, Chul Haeng Lee
  • Publication number: 20230231195
    Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by the following Chemical Formula 1: wherein, A ring may be a cyclic phosphate group having 2 or 3 carbon atoms, R may be an alkylene group or alkenylene group having 1 to 5 carbon atoms, and X may be a perfluoroalkyl group having 1 to 5 carbon atoms.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 20, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jeong Woo Oh, Chul Haeng Lee
  • Publication number: 20230223598
    Abstract: The present disclosure provides a non-aqueous electrolyte including a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and a polymer including a repeating unit represented by Formula 2-1, Formula 2-2, and Formula 2-3 as a second additive: all the variables are described herein.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 13, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Jeong Woo Oh, Chul Haeng Lee