Patents by Inventor Min-Jung JOU

Min-Jung JOU 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).

  • Non-aqueous electrolyte and lithium secondary battery comprising same
    Patent number: 10193182
    Abstract: Disclosed are: a non-aqueous electrolyte for a lithium secondary battery containing 1-20 parts by weight of a cyano group-containing pyrimidine-based compound on the basis of 100 parts by weight of an organic solvent; and a lithium secondary battery comprising the same.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: January 29, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Sun Kang, Yoo-Seok Kim
  • Non-aqueous electrolyte and lithium secondary battery using the same
    Patent number: 9871271
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising a pyrimidine-based compound, a non-fluorinated solvent and a fluorinated solvent; and a lithium secondary battery using the same.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: January 16, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Doo Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
  • NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20180013168
    Abstract: Disclosed are: a non-aqueous electrolyte for a lithium secondary battery containing 1-20 parts by weight of a cyano group-containing pyrimidine-based compound on the basis of 100 parts by weight of an organic solvent; and a lithium secondary battery comprising the same.
    Type: Application
    Filed: March 31, 2016
    Publication date: January 11, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Sun Kang, Yoo-Seok Kim
  • Non-aqueous electrolyte and lithium secondary battery using the same
    Patent number: 9831523
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising fluoroethylene carbonate and a pyrimidine-based compound; and a lithium secondary battery using the same.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: November 28, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
  • Nonaqueous electrolyte and lithium secondary battery using the same
    Patent number: 9728805
    Abstract: Disclosed are a nonaqueous electrolyte for a lithium secondary battery containing a hetero polycyclic compound and a lithium secondary battery using the same.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: August 8, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hoon Yu, Doo Kyung Yang, Jong-Ho Jeon, Min-Jung Jou
  • Non-aqueous electrolyte and lithium secondary battery using the same
    Patent number: 9455470
    Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group; and a lithium secondary battery using the same.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: September 27, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Hyung Lee, Min-Jung Jou
  • Non-aqueous electrolyte and lithium secondary battery using the same
    Patent number: 9325035
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: April 26, 2016
    Assignee: LG CHEM LTD.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Jong-Ho Jeon, Min-Jung Jou
  • NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    Publication number: 20150086878
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Hoon YU, Doo-Kyung YANG, Jong-Ho JEON, Min-Jung JOU
  • Non-aqueous electrolyte and lithium secondary battery using the same
    Patent number: 8927159
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Jong-Ho Jeon, Min-Jung Jou
  • NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    Publication number: 20130295468
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same.
    Type: Application
    Filed: July 3, 2013
    Publication date: November 7, 2013
    Inventors: Sung-Hoon YU, Doo-Kyung YANG, Jong-Ho JEON, Min-Jung JOU
  • NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    Publication number: 20130252113
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising a pyrimidine-based compound, a non-fluorinated solvent and a fluorinated solvent; and a lithium secondary battery using the same.
    Type: Application
    Filed: May 6, 2013
    Publication date: September 26, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Hoon Yu, Doo Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
  • Non-Aqueous Electrolyte And Lithium Secondary Battery Using The Same
    Publication number: 20130244120
    Abstract: The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising fluoroethylene carbonate and a pyrimidine-based compound; and a lithium secondary battery using the same.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Hoon Yu, Doo-Kyung Yang, Min-Jung Jou, Yoo-Seok Kim, Yoo-Sun Kang
  • NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    Publication number: 20130230781
    Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group; and a lithium secondary battery using the same.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 5, 2013
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Hoon YU, Doo-Kyung YANG, Min-Hyung LEE, Min-Jung JOU
  • NONAQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    Publication number: 20130004859
    Abstract: Disclosed are a nonaqueous electrolyte for a lithium secondary battery containing a hetero polycyclic compound and a lithium secondary battery using the same.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Inventors: Sung-Hoon YU, Doo Kyung YANG, Jong-Ho JEON, Min-Jung JOU