Patents by Inventor Joong-jin Han

Joong-jin Han 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).

  • Compound comprising aromatic ring, and polyelectrolyte membrane using same
    Patent number: 10428016
    Abstract: The present specification relates to a compound comprising an aromatic ring, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong Jin Jang, Joong Jin Han, Youngjea Kim, Esder Kang, Sehee Jung, Hyun Woog Ryu, Yunah Yu
  • Compound comprising aromatic ring having sulfonamide and ion transport group, polymer comprising same, and polyelectrolyte membrane using same
    Patent number: 10418656
    Abstract: The present specification relates to a compound comprising an aromatic ring, a polymer comprising the same, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 17, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong Jin Jang, Joong Jin Han, Youngjea Kim, Esder Kang, Sehee Jung, Hyun Woog Ryu, Yunah Yu
  • Polymerization composition, polymer using polymerization composition, and polymer electrolyte membrane using polymer
    Patent number: 10407545
    Abstract: The present specification relates to a polymerization composition, a polymer using the same, a polymer electrolyte membrane using the same, a fuel cell including the same, and a redox flow battery including the same.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sehee Jung, Joong Jin Han, Hyun Woog Ryu, Yong Jin Jang, Youngjea Kim, Esder Kang
  • Polymer electrolyte membrane
    Patent number: 10411283
    Abstract: The present specification relates to a polymer electrolyte membrane including two types of polymers.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Youngjea Kim, Yong Jin Jang, Joong Jin Han, Esder Kang, Yunah Yu
  • Polymer and polymer electrolyte membrane comprising same
    Patent number: 10407521
    Abstract: The present specification relates to a polymer and a polymer electrolyte membrane including the same.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: September 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Esder Kang, Hyun Woog Ryu, Joong Jin Han, Youngjea Kim, Sehee Jung, Yong Jin Jang
  • Polymer and polymer electrolyte membrane comprising same
    Patent number: 10361447
    Abstract: The present specification relates to a polymer with improved acid resistance, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 23, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Esder Kang, Joong Jin Han, Youngjea Kim, Sehee Jung, Hyun Woog Ryu, Yong Jin Jang, Soyoung Yu
  • Halogenated compound, polymer comprising same, and polymer electrolyte membrane comprising same
    Patent number: 10312542
    Abstract: The present specification relates to a halogenated compound, a polymer and a polymer electrolyte membrane including the same.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: June 4, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong Jin Jang, Joong Jin Han, Sehee Jung, Youngjea Kim, Esder Kang, Hyun Woog Ryu
  • Water-treatment separation membrane comprising ionic exchangeable polymer layer and method for forming same
    Patent number: 10279320
    Abstract: The present invention relates to a water treatment membrane including a support; and a polymer layer including a copolymer containing a hydrophobic repeating unit and a hydrophilic repeating unit including an ion exchange functional group on the support, wherein the polymer layer has ion exchange capacity (IEC) of 0.02 meq/g to 2.4 meq/g, and to a water treatment module, which have excellent salt rejection and permeate flow properties.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: May 7, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hyejin Kwon, Seungpyo Jeong, Taehyeong Kim, Joong Jin Han, Chong Kyu Shin
  • BLOCK POLYMER AND POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME
    Publication number: 20190106530
    Abstract: The present specification relates to a block polymer and a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly and a redox flow battery including the polymer electrolyte membrane.
    Type: Application
    Filed: March 21, 2017
    Publication date: April 11, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Youngjea KIM, Esder KANG, Yunah YU, Eunju PARK, Yu Jin KIM
  • POLYMER ELECTROLYTE MEMBRANE
    Publication number: 20180261868
    Abstract: The present specification relates to a polymer electrolyte membrane including two types of polymers.
    Type: Application
    Filed: December 4, 2015
    Publication date: September 13, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Youngjea KIM, Yong Jin JANG, Joong Jin HAN, Esder KANG, Yunah YU
  • BLOCK POLYMER AND POLYMER ELECTROLYTE MEMBRANE INCLUDING SAME
    Publication number: 20180251592
    Abstract: The present specification relates to a block polymer and a polymer electrolyte membrane comprising the same, a membrane-electrode assembly comprising the polymer electrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polymer electrolyte membrane.
    Type: Application
    Filed: September 22, 2016
    Publication date: September 6, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Esder KANG, Yunah YU, Youngjea KIM
  • Ion transport material, electrolyte membrane comprising same, and method for producing same
    Patent number: 9923225
    Abstract: The present application relates to an ion transport material, an electrolyte membrane including the same, and a method for manufacturing the same, and more specifically, provides an ion transport material in which inorganic particles are dispersed in a peripheral portion of a sulfonic acid group of a partially fluorinated polymer containing sulfonic acid, an electrolyte membrane including the same, and a method for manufacturing the same.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: March 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Hyungsam Choi, Joong Jin Han, Chong Kyu Shin, Seungpyo Jeong, Youngjea Kim
  • Separation membrane and lithium-sulfur battery comprising same
    Patent number: 9876211
    Abstract: The present application relates to a separation membrane and a lithium-sulfur battery including the same, and the separation membrane according to the present application prevents elution of lithium polysulfide in a cathode and suppresses growth of a lithium dendrite generated in an anode, and thus has an effect that a life-span and safety of the battery are improved.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: January 23, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Byoungkuk Son, Seong Ho Lee, Minchul Jang, Hyungsam Choi, Joong Jin Han, Min Seo Kim, Suhwan Kim, Seungpyo Jeong, Yu Mi Kim, Da Young Sung, Youngjea Kim, Gi Su Park
  • COMPOUND COMPRISING AROMATIC RING, POLYMER COMPRISING SAME, AND POLYELECTROLYTE MEMBRANE USING SAME
    Publication number: 20180006320
    Abstract: The present specification relates to a compound comprising an aromatic ring, a polymer comprising the same, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.
    Type: Application
    Filed: January 26, 2016
    Publication date: January 4, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Youngjea KIM, Esder KANG, Sehee JUNG, Hyun Woog RYU, Yunah YU
  • COMPOUND COMPRISING AROMATIC RING, AND POLYELECTROLYTE MEMBRANE USING SAME
    Publication number: 20170362171
    Abstract: The present specification relates to a compound comprising an aromatic ring, a polyelectrolyte membrane comprising the same, a membrane-electrode assembly comprising the polyelectrolyte membrane, a fuel cell comprising the membrane-electrode assembly, and a redox flow battery comprising the polyelectrolyte membrane.
    Type: Application
    Filed: January 27, 2016
    Publication date: December 21, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Youngjea KIM, Esder KANG, Sehee JUNG, Hyun Woog RYU, Yunah YU
  • NOVEL COMPOUND AND POLYMER ELECTROLYTE MEMBRANE USING SAME
    Publication number: 20170346121
    Abstract: The present specification relates to a novel compound, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.
    Type: Application
    Filed: December 2, 2015
    Publication date: November 30, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Sehee JUNG, Youngjea KIM, Esder KANG, Hyun Woog RYU
  • HALOGENATED COMPOUND, POLYMER COMPRISING SAME, AND POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME
    Publication number: 20170338507
    Abstract: The present specification relates to a halogenated compound, a polymer and a polymer electrolyte membrane including the same.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 23, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Yong Jin JANG, Joong Jin HAN, Sehee JUNG, Youngjea KIM, Esder KANG, Hyun Woog RYU
  • POLYMER AND POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME
    Publication number: 20170338504
    Abstract: The present specification relates to a polymer with improved ion transport capability, a polymer electrolyte membrane including the same, a membrane-electrode assembly including the polymer electrolyte membrane, a fuel cell including the membrane-electrode assembly, and a redox flow battery including the polymer electrolyte membrane.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 23, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Esder KANG, Joong Jin HAN, Youngjea KIM, Yong Jin JANG, Yunah YU
  • POLYMER AND POLYMER ELECTROLYTE MEMBRANE COMPRISING SAME
    Publication number: 20170327607
    Abstract: The present specification relates to a polymer and a polymer electrolyte membrane including the same.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 16, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Esder KANG, Hyun Woog RYU, Joong Jin HAN, Youngjea KIM, Sehee JUNG, Yong Jin JANG
  • POLYMER ELECTROLYTE MEMBRANE
    Publication number: 20170331136
    Abstract: The present specification relates to a polymer electrolyte membrane including a polymer and inorganic particles.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 16, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Youngjea KIM, Joong Jin HAN, Yunah YU, Esder KANG, Yong Jin JANG