Patents by Inventor Sang-mok Park

Sang-mok Park 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: 11830979
    Abstract: The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1:
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: November 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Sung Ho Ban, Sang Mok Park, Ko Eun Kim, Sang Kyu Kwak, Nam Soon Choi, Hyeon Gyu Moon, Seo Young Jeong, Sung You Hong, Dae Yeon Hwang
  • Patent number: 11824190
    Abstract: Disclosed are a cathode material for a lithium secondary battery and a method of manufacturing the same. For instance, the lithium secondary battery may have a high energy density by using only a single cathode material. Particularly, the cathode material for a lithium secondary battery includes a Li—[Mn—Ti]—Al—O-based cathode active material; and a carbon nanotube (CNT) attached to the surface of the cathode active material in an acid-treated state to be formed as a composite.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung Min Oh, Ik Kyu Kim, Yeol Mae Yeo, Sang Mok Park, Yoon Sung Lee, Nam Hyeong Kim, Ji Eun Lee, Dong Jun Kim, Seung Taek Myung, Ji Ung Choi
  • Patent number: 11769880
    Abstract: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: September 26, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sang Mok Park, Seung Min Oh, Woo Young Jin, Ji Eun Lee, Sang Hun Lee, Ko Eun Kim, Jun Ki Rhee, Yoon Sung Lee
  • 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: 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
  • 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
  • Publication number: 20230081216
    Abstract: An apparatus for measuring a vent pressure of a pouch cell includes a pouch cell accommodating an electrode assembly therein, and formed with a heat fusion part on a side thereof; a measurement unit defining therein a space for seating the pouch cell, expanding the pouch cell by a negative pressure formed in the measuring unit, and measuring a vent pressure of the pouch cell; and a negative pressure forming unit connected to the measurement unit, and forming a negative pressure inside the measurement unit.
    Type: Application
    Filed: July 25, 2022
    Publication date: March 16, 2023
    Inventors: Sang Mok Park, Dong Guk Park, Yong Ju Lim
  • Publication number: 20230023592
    Abstract: A bloodless system for numerically generated hyperspectral imaging data for measuring biochemical compositions is disclosed which includes an optical imaging device adapted to acquire an RGB image from an area of interest, a processor adapted to receive a hyperspectral dataset representing an a priori hyperspectral data of the area of interest of a population to which the subject belongs, receive RGB response for each one of RGB channels of the optical imaging device, pair the corresponding RGB data with the hyperspectral data, obtain a transformation matrix adapted to convert a subject-specific RGB image dataset into a subject-specific hyperspectral dataset for the optical imaging device, receive a subject- specific RGB dataset, generate a subject- specific hyperspectral dataset using the transformation matrix, and compute a blood hemoglobin level of the subject from the generated subject-specific hyperspectral dataset.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 26, 2023
    Applicant: Purdue Research Foundation
    Inventors: Young L. Kim, Md Munirul Haque, Michelle Amaris Visbal-Onufrak, Sang Mok Park
  • Publication number: 20230009357
    Abstract: A method of producing a separator for a lithium secondary battery, the separator being interposed between a positive electrode and a negative electrode of the lithium secondary battery, includes: preparing a separator substrate; forming a ceramic coating layer by applying a first coating solution containing a ceramic material to a surface of the separator substrate; and forming a reaction layer that scatters X-rays, by applying a second coating solution containing a metal compound to an edge portion of an upper surface of the ceramic coating layer that is not in contact with the positive electrode and the negative electrode.
    Type: Application
    Filed: April 25, 2022
    Publication date: January 12, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Mok PARK, Tae Hyung NAM
  • Publication number: 20230000357
    Abstract: A system for generating hyperspectral imaging data for measuring biochemical compositions is disclosed which includes a spectral imaging device adapted to acquire one or more hyperspectral linescan images, an optical imaging device with a red-green-blue (RGB) sensor adapted to acquire an RGB dataset, a processor adapted to co-locate a plurality of pixels in the RGB dataset vs. a corresponding plurality of pixels of the one or more hyperspectral linescan datasets, establish a transformation matrix utilizing the plurality of co-located pixels, apply the transformation matrix to the RGB dataset to thereby generate the hyperspectral dataset, and analyze the generated hyperspectral image dataset to determine the biochemical compositions.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 5, 2023
    Applicant: Purdue Research Foundation
    Inventors: Young L. Kim, Md Munirul Haque, Michelle Amaris Visbal-Onufrak, Sang Mok Park
  • 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: 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
  • 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
  • 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
  • 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: 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
  • 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: 20220149374
    Abstract: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 12, 2022
    Inventors: Sang Mok PARK, Seung Min OH, Woo Young JIN, Ji Eun LEE, Sang Hun LEE, Ko Eun KIM, Jun Ki RHEE, Yoon Sung LEE
  • Publication number: 20220149364
    Abstract: Disclosed herein is a positive electrode material for a lithium secondary battery, which has a high energy density with only a single positive electrode material, and a lithium secondary battery including the same. A positive electrode active material is made of Li—[Mn—Ti]—O-based material and doped with Al.
    Type: Application
    Filed: June 4, 2021
    Publication date: May 12, 2022
    Inventors: Seung Min Oh, Yoon Sung Lee, Ji Eun Lee, Sang Mok Park, Sung Ho Ban, Woo Young Jin, Sang Hun Lee, Seung Taek Myung, Ji Ung Choi