Patents by Inventor Hyun-Bong Choi

Hyun-Bong Choi 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: 10734681
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt; an organic solvent; and an additive, wherein the additive includes LiPO2F2, and a compound represented by the following Chemical Formula 1:
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ha-Rim Lee, Mi-Young Son, Hyun-Bong Choi
  • Patent number: 10468723
    Abstract: An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Bong Choi, Ae Ran Kim, Mi Young Son, Woo Cheol Shin, Myung Heui Woo, Seung Tae Lee, Ha rim Lee
  • Publication number: 20170222269
    Abstract: An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.
    Type: Application
    Filed: January 19, 2017
    Publication date: August 3, 2017
    Inventors: Hyun Bong CHOI, Ae Ran KIM, Mi Young SON, Woo Cheol SHIN, Myung Heui WOO, Seung Tae LEE, Ha rim LEE
  • Publication number: 20170179528
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt; an organic solvent; and an additive, wherein the additive includes LiPO2F2, and a compound represented by the following Chemical Formula 1:
    Type: Application
    Filed: July 26, 2016
    Publication date: June 22, 2017
    Inventors: Ha-Rim LEE, Mi-Young SON, Hyun-Bong CHOI
  • Publication number: 20110240110
    Abstract: A ruthenium complex having at least one selected from an alkyl thiophene unit and a unit in which thiophenes are linked to aromatic rings in the form of a pentagonal ring and a dye-sensitized solar cell using the same.
    Type: Application
    Filed: August 25, 2010
    Publication date: October 6, 2011
    Applicant: c/o Samsung SDI Co., Ltd.
    Inventors: Moon-Sung Kang, Ji-Won Lee, Byoung-Cheol Shin, Jae-Jung Ko, Hyun-Bong Choi
  • Publication number: 20110232763
    Abstract: A spirobifluorene-based compound and a dye-sensitized solar cell using the spirobifluorene-based compound as a dye.
    Type: Application
    Filed: October 14, 2010
    Publication date: September 29, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Moon-Sung KANG, Ji-Won Lee, Byong-Cheol Shin, Jae-Jung Ko, Hyun-Bong Choi
  • Publication number: 20110005596
    Abstract: A dye for a dye-sensitized solar cell and a dye-sensitized solar cell including the same, the dye including a compound represented at least one of Chemical Formula 1 and Chemical Formula 2.
    Type: Application
    Filed: April 6, 2010
    Publication date: January 13, 2011
    Inventors: Byong-Cheol Shin, Ji-Won Lee, Moon-Sung Kang, Jae-Jung Ko, Hyun-Bong Choi