Patents by Inventor Yoon Sung Lee

Yoon Sung Lee 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: 20230207877
    Abstract: Proposed is an additive for an electrolyte solution to improve the electrochemical properties of a lithium secondary.
    Type: Application
    Filed: September 22, 2022
    Publication date: June 29, 2023
    Inventors: Yoon Sung LEE, Jun Ki RHEE, Ko Eun KIM, Sung Ho BAN, Seung Min OH, Nam Soon CHOI, Sang Kyu KWAK, Sung You HONG, Hyeong Jun KIM, Seo Young JEONG, Hyeon Gyu MOON
  • Patent number: 11670801
    Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 1-benzyl-5-(4-nitrophenyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: June 6, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Ko Eun Kim, Sung Ho Ban, Seung Min Oh, Ik Kyu Kim, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Dae Yeon Hwang, Seo Young Jeong, Hyeon Gyu Moon
  • Patent number: 11646409
    Abstract: Provided are a cathode active material for a lithium secondary battery, a cathode and a lithium secondary battery each including the same, and a method of manufacturing the same. The cathode active material for a lithium secondary battery includes a core including a lithium metal oxide and a coating layer formed on a surface and the inner grain boundaries of the core, wherein the coating layer includes a metal sulfide.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: May 9, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Seung-Min Oh, KiSeok Koh, Yeolmae Yeo, Yoon Sung Lee, Jieun Lee, Dongjun Kim, Sang Mok Park
  • Patent number: 11646448
    Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes 1,2-bis(maleimido)ethane, represented by the following formula 1:
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: May 9, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, UNIST (Ulsan National Insitute of Science and Technology)
    Inventors: Yoon Sung Lee, Seung Min Oh, Ji Eun Lee, Sung Ho Ban, Ik Kyu Kim, Ko Eun Kim, Sang Kyu Kwak, Nam Soon Choi, Woo Gyum Kim, Hyeon Gyu Moon, Sung You Hong, Dae Yeon Hwang
  • Publication number: 20230130827
    Abstract: Disclosed are, inter alia, a positive electrode slurry containing reduced content of a binder, a method of preparing the positive electrode slurry, a positive electrode made from the slurry and a lithium secondary battery including the positive electrode.
    Type: Application
    Filed: August 23, 2022
    Publication date: April 27, 2023
    Inventors: Jun Ki Rhee, Sung Ho Ban, Yoon Sung Lee, Ko Eun Kim, Hyun Tae Lee, Hong Kyung Lee
  • Patent number: 11631859
    Abstract: Disclosed are an anode material for lithium secondary batteries, the anode material including an Si-based anode active material and a film layer formed as a double self-assembled monolayer as the result of an amino trimethoxy silane (ATS) SAM precursor and a fluoro ethylene carbonate (FEC) SAM precursor being sequentially bonded to the surface of the Si-based anode active material, and method of manufacturing the same.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: April 18, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INCHEON NATIONAL UNI. RESEARCH & BUSINESS FDN
    Inventors: Seung Min Oh, Ik Kyu Kim, Yeol Mae Yeo, Yoon Sung Lee, Ji Eun Lee, Sa Heum Kim, Dong Jun Kim, Nam Hyeong Kim, Jun Young Mun, Yeong Don Park, Su Hyun Lee, Jun Hwa Park, Mei Hua Hong
  • Patent number: 11616274
    Abstract: Disclosed is lithium secondary battery that may include: a positive electrode; a negative electrode; an electrolyte; and a separator positioned between the positive electrode and the negative electrode. The separator may include: a separator substrate; and a fibrous adhesive layer formed on one or both surfaces of the separator substrate.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: March 28, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Mok Park, Yeolmae Yeo, Dongjun Kim, Yoon Sung Lee, Jieun Lee, Sa Heum Kim, Seung-Min Oh
  • Patent number: 11616252
    Abstract: A lithium ion secondary battery includes: an anode including an anode current collector and an anode coating layer coating a region of the anode current collector; a cathode including a cathode current collector, a cathode coating layer coating a region of the cathode current collector, and an inactive coating layer disposed on a surface of a region of the cathode current collector on which the cathode coating layer is not disposed, the inactive coating layer extending from one or more of both end portions of the cathode coating layer toward an end portion of the anode; and a separation membrane arranged between the cathode and the anode.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Mok Park, Ji Eun Lee, Sung Ho Ban, Yoon Sung Lee
  • Publication number: 20230049774
    Abstract: A semiconductor integrated circuit device may include a first region, a second region, a pad structure and an electrostatic discharge (ESD) connection. The first region may be positioned adjacent to a semiconductor substrate. An ESD protection circuit may be integrated in the first region. The second region may be stacked on the first region. A plurality of memory cells may be formed in the second region. The pad structure may be arranged over the second region to receive an external voltage. The ESD connection may include a plurality of lower conductive wirings in the first region. At least one of the lower conductive wirings may be electrically connected with the ESD protection circuit. The at least one of the lower conductive wirings may be drawn to a portion corresponding to the pad structure.
    Type: Application
    Filed: March 3, 2022
    Publication date: February 16, 2023
    Inventors: Chang Seok SONG, Jin Woo KIM, Yoon Sung LEE, Dong Ju LIM
  • Publication number: 20220384884
    Abstract: A pouch type lithium secondary battery may include an electrode assembly to which an electrode tab is attached; a pouch which includes an aluminum layer and a sealant layer and which encases the electrode assembly so that a portion of the electrode tab is exposed therefrom; a protrusion formed by sealant on a side of the pouch where the electrode tab is not exposed, in melting and flowing toward the electrode assembly then congealing to form a swelling on the pouch; and folds formed by bending a side of the pouch where the electrode tab is not exposed, wherein at least one of the folds includes the protrusion.
    Type: Application
    Filed: November 15, 2021
    Publication date: December 1, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Mok PARK, Yoon Sung LEE, Yong Hoon KIM, Jeong Wan YOO, Jun Ki RHEE, Ji Eun LEE
  • Publication number: 20220328875
    Abstract: Disclosed are an electrolyte solution and an additive thereof, which may increase electrochemical properties of a lithium secondary battery.
    Type: Application
    Filed: November 22, 2021
    Publication date: October 13, 2022
    Inventors: Woo Young JIN, Jun Ki RHEE, Yeol Mae YEO, Seung Min OH, Yoon Sung LEE, Ji Eun LEE, Sang Hun LEE, Ko Eun KIM, Sang Mok PARK, Sung Ho BAN, Hyeon Gyu MOON, Hui Beom NAM, Hyun Soo MA, Nam Soon CHOI
  • Publication number: 20220328930
    Abstract: Disclosed is a separator for a lithium secondary battery coated with a ceramic particle.
    Type: Application
    Filed: November 18, 2021
    Publication date: October 13, 2022
    Inventors: Dong Jun KIM, Yoon Sung LEE, Young Woo LEE, Da Hee JIN, Young Joon ROH, Yong Min LEE, Seoung Woo BYUN
  • Publication number: 20220320582
    Abstract: Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.
    Type: Application
    Filed: November 9, 2021
    Publication date: October 6, 2022
    Inventors: Jun Ki Rhee, Yoon Sung Lee, Sung Ho Ban, Seung Min Oh, Ko Eun Kim, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20220310990
    Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide.
    Type: Application
    Filed: October 6, 2021
    Publication date: September 29, 2022
    Inventors: Seung Min Oh, Jun Ki Rhee, Yoon Sung Lee, Ji Eun Lee, Sung Ho Ban, Ko Eun Kim, Woo Young Jin, Sang Mok Park, Sang Hun Lee, Seung Taek Myung, Hee Jae Kim, Min Young Shin
  • Patent number: 11444327
    Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-nitrophenyl) carbonate.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: September 13, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Young Woo Lee, Dong Jun Kim, Sung Ho Ban, Sung Hoon Lim
  • Publication number: 20220285730
    Abstract: Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.
    Type: Application
    Filed: September 7, 2021
    Publication date: September 8, 2022
    Inventors: Ji Eun Lee, Jun Ki Rhee, Seung Min Oh, Yoon Sung Lee, Sung Ho Ban, Sang Hun Lee, Woo Young Jin, Sang Mok Park, Ko Eun Kim, Hyeon Gyu Moon, Hui Beom Nam, Hyun Soo Ma, Nam Soon Choi
  • Publication number: 20220285731
    Abstract: Disclosed is an additive for increasing the electrochemical properties of lithium secondary batteries.
    Type: Application
    Filed: September 7, 2021
    Publication date: September 8, 2022
    Inventors: Sang Hun Lee, Jun Ki Rhee, Yeol Mae Yeo, Seung Min Oh, Yoon Sung Lee, Ji Eun Lee, Ko Eun Kim, Woo Young Jin, Sang Mok Park, Sung Ho Ban, Hyeon Gyu Moon, Hui Beom Nam, Hyun Soo Ma, Nam Soon Choi
  • Patent number: 11424438
    Abstract: A cathode active material for a lithium secondary battery, the cathode method including a core including a lithium metal oxide and a coating layer disposed on the surface and the inner grain boundaries of the core, wherein the coating layer includes a metal carbide, and a method of manufacturing the same.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: August 23, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jieun Lee, Yeolmae Yeo, Seung-Min Oh, Sang Mok Park, Yoon Sung Lee, Dongjun Kim
  • Publication number: 20220166105
    Abstract: Disclosed are a lithium secondary battery including: a positive electrode; a negative electrode; an electrolyte; and a separator including a separator substrate and a ceramic layer formed on one surface or both surfaces of the separator substrate. Particularly, the ceramic layer may include a first ceramic particle including an epoxide group and a second ceramic particle including an amine group, and the first ceramic particle may be chemically bonded to the second ceramic particle.
    Type: Application
    Filed: February 10, 2022
    Publication date: May 26, 2022
    Inventors: Dongjun Kim, Yeol Mae Yeo, Yoon Sung Lee, Jieun Lee, Sang Mok Park, Seung-Min Oh
  • Publication number: 20220166014
    Abstract: Disclosed are a method for preparing an active material, the surface of which is modified, using a surface treatment solution and an active material prepared thereby, and more particularly, an active material in which the amount of impurities on the surface thereof is reduced and on the surface of which a metal oxide configured to cut off direct contact with an electrolyte is uniformly disposed by collectively performing both a washing process and a surface treatment process using a surface treatment solution having a novel composition.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 26, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Dong-A University Research Foundation for Industry-Academy Cooperation
    Inventors: Sang Mok PARK, Ik Kyu KIM, Yeol Mae YEO, Seung Min OH, Sa Heum KIM, Yoon Sung LEE, Nam Hyeong KIM, Ji Eun LEE, Dong Jun KIM, Sung Ho BAN, Jeom Soo KIM, Seung Hyun KIM