Patents by Inventor Myung-Heui Woo

Myung-Heui Woo 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: 20240356100
    Abstract: A battery insulation sheet including an aerogel layer. The aerogel layer includes: a fibrillized polymer matrix comprising a dry binder; and aerogel particles distributed in the fibrillized polymer matrix.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Inventors: Hye Jin PARK, Myung Heui WOO, Bo Kyung RYU, Seung Yong YANG, Jae Hyun LEE, Ha Na RA, Jung Hyo LEE, Hyun NAM, Jung Hyun NAM, Yun Sung YANG
  • Publication number: 20240343873
    Abstract: An aerogel composition for a battery insulation sheet is provided. The aerogel composition comprising: a solvent; a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof. With respect to a total solid content of the aerogel composition, the fibrous support is present in a content range of 5 wt % to 70 wt %, the aerogel is present in a content range of 10 wt % to 90 wt %, and the functional material is present in a content range of 0.5 wt % to 20 wt %.
    Type: Application
    Filed: August 7, 2023
    Publication date: October 17, 2024
    Inventors: Ha Na RA, Myung Heui WOO, Bo Kyung RYU, Hye Jin PARK, Jae Hyun LEE, Seung Yong YANG
  • Publication number: 20240347816
    Abstract: An aerogel composition for a battery insulation sheet, a method of preparing the same, a battery insulation sheet formed using the same, and a method of manufacturing the battery insulation sheet are provided herein. The aerogel composition includes a solvent, a fibrous support, an aerogel, an antifoaming agent, and a functional material including a binder, a dispersant, or a combination thereof, wherein the fibrous support is 5 wt % to 70 wt %, the aerogel is 10 wt % to 90 wt %, the antifoaming agent is 0.05 wt % to 2 wt %, and the functional material is 0.5 wt % to 20 wt %, with respect to a total solid amount of the aerogel composition.
    Type: Application
    Filed: August 23, 2023
    Publication date: October 17, 2024
    Inventors: Ha Na RA, Myung Heui WOO, Bo Kyung RYU, Hye Jin PARK, Jae Hyun LEE, Seung Yong YANG
  • Publication number: 20240347814
    Abstract: A battery insulation sheet includes a substrate, and an aerogel layer on the substrate, wherein the aerogel layer includes a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof, and satisfies Formula 1 below: 50 ? A ? 100 , 000 , A = T i / D s , Formula ? 1 wherein, in Formula 1, Ti denotes a thickness of the aerogel layer, and Ds denotes an average diameter of the fibrous support.
    Type: Application
    Filed: August 3, 2023
    Publication date: October 17, 2024
    Inventors: Ha Na RA, Myung Heui WOO, Bo Kyung RYU, Hye Jin PARK, Jae Hyun LEE, Seung Yong YANG
  • Patent number: 11251465
    Abstract: Provided are an organic electrolytic solution and a lithium battery including the organic electrolytic solution, wherein the organic electrolytic solution includes an organic solvent, a lithium salt, a borate compound represented by Formula 1 below, and an ionic metal complex represented by Formula 2 below: wherein R1, R2, and R3 are each independently a hydrogen; a C1-C5 alkyl group substituted or unsubstituted with a halogen; or a C1-C5 cyanoalkyl group substituted or unsubstituted with a halogen, at least one of the R1, R2, and R3 includes a cyanoalkyl group, Me is an element selected from the group consisting of transition metals and Groups 13 to 15 elements of the periodic table, M is a metal ion, a is an integer from 1 to 3, b is an integer from 1 to 3, s=b/a, p is an integer from 0 to 8, q is 0 or 1, r is an integer from 1 to 4, X1 and X2 are each independently O, S, or NR6, R4 and R6 are each independently a halogen, a C1-C5 alkyl group substituted or unsubstituted with a halogen, or a C1-C5 aryl
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: February 15, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung Heui Woo, Soo Jin Kim, Si Young Cha, Woo Cheol Shin, Ha Rim Lee
  • 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
  • Patent number: 9735447
    Abstract: A silicone-containing compound is an additive for a lithium secondary battery electrolyte for improving high-temperature lifetime characteristics and/or high-temperature stability of a lithium secondary battery. An electrolyte for a lithium secondary battery includes the silicon-containing compound. A lithium secondary battery includes the electrolyte. A method of preparing the silicon-containing compound is also provided.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: August 15, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Vladimir Egorov, Woo-Cheol Shin, Soo-Jin Kim, Myung-Heui Woo, Hye-Jin Park, Si-Young Cha
  • 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: 20170069936
    Abstract: Provided are an organic electrolytic solution and a lithium battery including the organic electrolytic solution, wherein the organic electrolytic solution includes an organic solvent, a lithium salt, a borate compound represented by Formula 1 below, and an ionic metal complex represented by Formula 2 below: wherein R1, R2, and R3 are each independently a hydrogen; a C1-C5 alkyl group substituted or unsubstituted with a halogen; or a C1-C5 cyanoalkyl group substituted or unsubstituted with a halogen, at least one of the R1, R2, and R3 includes a cyanoalkyl group, Me is an element selected from the group consisting of transition metals and Groups 13 to 15 elements of the periodic table, M is a metal ion, a is an integer from 1 to 3, b is an integer from 1 to 3, s=b/a, p is an integer from 0 to 8, q is 0 or 1, r is an integer from 1 to 4, X1 and X2 are each independently O, S, or NR6, R4 and R6 are each independently a halogen, a C1-C5 alkyl group substituted or unsubstituted with a halogen, or a C1-C5 ary
    Type: Application
    Filed: May 8, 2014
    Publication date: March 9, 2017
    Inventors: Myung Heui Woo, Soo Jin Kim, Si Young Cha, Woo Cheol Shin, Ha Rim Lee
  • Publication number: 20150207174
    Abstract: Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1, and rechargeable lithium battery including the same. The structure and definition of the above Chemical Formula 1 are the same as in the specification.
    Type: Application
    Filed: December 12, 2014
    Publication date: July 23, 2015
    Inventors: Min-Ju LEE, Soo-Jin KIM, Myung-Heui WOO, Myung-Hwan JEONG, Woo-Cheol SHIN
  • Publication number: 20150010811
    Abstract: A silicone-containing compound is an additive for a lithium secondary battery electrolyte for improving high-temperature lifetime characteristics and/or high-temperature stability of a lithium secondary battery. An electrolyte for a lithium secondary battery includes the silicon-containing compound. A lithium secondary battery includes the electrolyte. A method of preparing the silicon-containing compound is also provided.
    Type: Application
    Filed: May 23, 2014
    Publication date: January 8, 2015
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Vladimir Egorov, Woo-Cheol Shin, Soo-Jin Kim, Myung-Heui Woo, Hye-Jin Park, Si-Young Cha
  • Publication number: 20140308562
    Abstract: An electrolyte for lithium secondary batteries includes a lithium salt, a nonaqueous organic solvent, and a compound represented by Formula 1 below as an additive: where R1, R2, R3, R4, and R5 in Formula 1 are defined as those specified in the specification.
    Type: Application
    Filed: January 14, 2014
    Publication date: October 16, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Myung-Hwan Jeong, Soo-Jin Kim, Myung-Heui Woo, Hye-Jin Park, Moon-Sung Kim, Si-Young Cha, Min-Ju Lee, Vladimir Egorov, Woo-Cheol Shin