Patents by Inventor Seung Min Oh

Seung Min Oh 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: 20220149432
    Abstract: Disclosed are an electrolyte solution for lithium secondary batteries and a lithium secondary battery including the same.
    Type: Application
    Filed: August 5, 2021
    Publication date: May 12, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Ko Eun Kim, Sung Ho Ban, Yoon Sung Lee, Seung Min Oh, Ik Kyu Kim, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Woo Gyum Kim, Dae Yeon Hwang, Hyeon Gyu Moon
  • 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
  • Publication number: 20220149380
    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: Application
    Filed: June 2, 2021
    Publication date: May 12, 2022
    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
  • Publication number: 20220144045
    Abstract: A control method of an air conditioning system for compressor protection includes, when an air conditioner turn-on request is present, determining, by a controller, whether a compressor operating condition is satisfied from a refrigerant state of an air conditioner, when the compressor operating condition is determined as being satisfied, determining, by the controller, whether the vehicle is in a state of being unattended for a long period of time using information collected from a vehicle, when the vehicle is determined as being in a state of being unattended for a long period of time, performing, by the controller, pre-run control for operating the compressor in a predetermined minimum load condition; and when a pre-run operating time for which the compressor is operated in a minimum load condition reaches a predetermined pre-run holding time, interrupting, by the controller, the pre-run control with respect to the compressor.
    Type: Application
    Filed: May 28, 2021
    Publication date: May 12, 2022
    Inventors: Seung Hyun Won, Man Hee Park, Chul Min Kim, Dong Seok Oh, Hyo Bin Kim
  • Publication number: 20220131136
    Abstract: The anode material for a lithium secondary battery includes: an Si-based anode active material; and a film layer including a self-assembly monolayer (SAM) formed through bonding of SAM precursors onto a surface of the Si-based anode active material.
    Type: Application
    Filed: June 9, 2021
    Publication date: April 28, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Seung Min Oh, Ik Kyu Kim, Yeol Mae Yeo, Yoon Sung Lee, Ji Eun Lee, Sang Mok Park, Dong Jun Kim, Nam Hyeong Kim, Jun Young Mun, Yeong Don Park, Su Hyun Lee, Jun Hwa Park, Mei Hua Hong
  • Publication number: 20220131189
    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: Application
    Filed: June 3, 2021
    Publication date: April 28, 2022
    Applicants: 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
  • Publication number: 20220131190
    Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:
    Type: Application
    Filed: June 3, 2021
    Publication date: April 28, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung LEE, Seung Min OH, Sung Ho BAN, Ko Eun KIM, Jun Ki RHEE, Woo Young JIN, Sang Kyu KWAK, Nam Soon CHOI, Sung You HONG, Woo Gyum KIM, Dae Yeon HWANG, Hyeon Gyu MOON
  • Publication number: 20220115702
    Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes: at least one high-voltage additive selected from a group consisting of lithium bis(phthalato)borate, represented by the following formula 1; hexafluoroglutaric anhydride, represented by the following formula 2; and phosphoric acid tris(2,2,2-trifluoroethyl)ester, represented by the following formula 3:
    Type: Application
    Filed: June 3, 2021
    Publication date: April 14, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Ko Eun Kim, Seung Min Oh, Yoon Sung Lee, Jun Ki Rhee, Sung Ho Ban, Seung Wan Song, Gyeong Jun Chung
  • Publication number: 20220115696
    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: Application
    Filed: June 4, 2021
    Publication date: April 14, 2022
    Applicants: 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
  • Publication number: 20220115697
    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: Application
    Filed: June 7, 2021
    Publication date: April 14, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE 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
  • Patent number: 11289768
    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: Grant
    Filed: September 17, 2019
    Date of Patent: March 29, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dongjun Kim, Yeolmae Yeo, Yoon Sung Lee, Jieun Lee, Sang Mok Park, Seung-Min Oh
  • Publication number: 20210399296
    Abstract: Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Inventors: Seung-Min Oh, KiSeok Koh, Yeol Mae Yeo, Dongjun Kim, Yoon Sung Lee, Jieun Lee, Sa Heum Kim, Seung Taek Myung
  • Patent number: 11145902
    Abstract: Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for the lithium secondary battery includes a lithium salt, a solvent component and an additive including one or more of the following compounds, wherein each of R1, R2 and R3 is independently hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 6 to 30 carbon atoms.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 12, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Yoon Sung Lee, Jung Young Cho, Ikkyu Kim, Seung-Min Oh, DongHui Kim, Nam-Soon Choi, Koeun Kim, Juyeon Lee, Sung Ji Park
  • Patent number: 11139475
    Abstract: Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: October 5, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Seung-Min Oh, KiSeok Koh, Yeolmae Yeo, Dongjun Kim, Yoon Sung Lee, Jieun Lee, Sa Heum Kim, Seung-Taek Myung
  • Publication number: 20210194064
    Abstract: Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200° C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Inventors: Yeol Mae Yeo, Ki Seok Koh, Yoon Sung Lee, Seung Min Oh, Hong Seok Min, Sung Min Choi
  • Patent number: 11043668
    Abstract: A silicon oxide composite for a secondary battery negative electrode material and a method for manufacturing the same, more particularly, a silicon oxide composite for a secondary battery negative electrode material and a method for manufacturing the same are disclosed. The silicon oxide composite includes MgSiO3 (enstatite) crystals and silicon particles, of which crystal size is from 1 to 25 nm, in a silicon oxide (SiOx, 0<x<2), and a carbon film placed on a surface.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: June 22, 2021
    Assignee: Daejoo Electronic Material Co., Ltd.
    Inventors: Seung Min Oh, Jang Han Kim, Daeun Kim
  • Publication number: 20210184261
    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-(1,3-bis(4-(((allyloxy)carbonyl)oxy)-5-(tert-butyl)-2-methylphenyl)butyl)-2-(tert-butyl)-5-methylphenyl) represented by the following Formula 1.
    Type: Application
    Filed: June 10, 2020
    Publication date: June 17, 2021
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Young Woo Lee, Dong Jun Kim, Sung Ho Ban, Sung Hoon Lim
  • Publication number: 20210184264
    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 also is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and a negative-electrode additive. The negative-electrode additive preferably includes bis(4-(trifluoromethoxy)phenyl) oxalate represented by the following Formula 1.
    Type: Application
    Filed: June 15, 2020
    Publication date: June 17, 2021
    Inventors: Yoon Sung Lee, Seung Min Oh, Nam Hyeong Kim, Dong Jun Kim, Sung Ho Ban, Ik Kyu Kim, Ji Eun Lee
  • Publication number: 20210184204
    Abstract: The present disclosure relates to a negative electrode active material for non-aqueous electrolyte secondary battery, and a negative electrode active material for non-aqueous electrolyte secondary battery according to an embodiment of the present disclosure comprises a silicon oxide composite comprising silicon, silicon oxide (SiOx, 0<x?2) and magnesium silicate, and including pores with a size of 50 to 300 nm therein. The negative electrode active material for non-aqueous electrolyte secondary battery comprising the silicon oxide composite according to the present disclosure solves a swelling problem by allowing the pores inside the silicon oxide composite to play a role of buffering expansion in the charging process, efficiently controls volume expansion by allowing stress caused by expansion and contraction generated during charging or discharging to be concentrated in the pores inside the silicon oxide composite, and can improve lifetime characteristics of the lithium secondary battery accordingly.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 17, 2021
    Applicant: DAEJOO ELECTRONIC MATERIALS CO., LTD
    Inventor: Seung Min Oh