Patents by Inventor Kwonchul KIM

Kwonchul KIM 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: 10490841
    Abstract: A secondary battery includes: a wound electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a pouch accommodating the electrode assembly; and; an adhesive tape on an outer surface of the electrode assembly. The adhesive having adhesiveness through reaction with an electrolyte.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: November 26, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyunghoon Cho, Jeawoan Lee, Youngchang Lim, Soomi Eo, Seunghee Park, Jaemin Lim, Kwonchul Kim, Euysun Jung, Kyung Kim
  • Patent number: 10454133
    Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly and a case comprising an accommodation region configured to accommodate the electrode assembly. The accommodation region has a first width in a center area thereof and a second width in opposing ends thereof, and wherein the second width is greater than the first width. When the case configured to accommodate the electrode assembly is formed, formation errors caused by concentration of stress such as tearing of a raw material or thickness deviations may be prevented.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: October 22, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Soomi Eo, Euysun Jung, Kyung Kim, Jaemin Lim, Kyunghoon Cho, Kwonchul Kim
  • Patent number: 10446807
    Abstract: A secondary battery includes: an electrode assembly, a case accommodating the electrode assembly, and an electrode tab electrically connected to the electrode assembly and extending from inside of the electrode assembly to outside of the case. The electrode tab has different thicknesses at the inside of the electrode assembly and the outside of the electrode assembly.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Soomi Eo, Jaemin Lim, Kyunghoon Cho, Euysun Jung, Kwonchul Kim, Kyung Kim
  • Patent number: 10177351
    Abstract: A rechargeable battery includes an electrode assembly, a pouch accommodating the electrode assembly, a first electrode tab electrically connected to the electrode assembly, the first electrode tab including a protruding portion that protrudes outwardly from a first surface of the electrode assembly so as to be exposed to the outside of the pouch and a parallel portion that extends along the first surface of the electrode assembly, and a fixing tape that attaches and fixes the first electrode tab to the first surface of the electrode assembly. The fixing tape adheres to cover the parallel portion of the first electrode tab bent along the first surface of the electrode assembly and the first surface of the electrode assembly.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: January 8, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwonchul Kim, Jeawoan Lee, Youngchang Lim, Soomi Eo, Kyung Kim, Jaemin Lim, Seunghee Park, Euysun Jung
  • Publication number: 20170288182
    Abstract: A secondary battery includes: an electrode assembly, a case accommodating the electrode assembly, and an electrode tab electrically connected to the electrode assembly and extending from inside of the electrode assembly to outside of the case. The electrode tab has different thicknesses at the inside of the electrode assembly and the outside of the electrode assembly.
    Type: Application
    Filed: September 7, 2016
    Publication date: October 5, 2017
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Soomi Eo, Jaemin Lim, Kyunghoon Cho, Euysun Jung, Kwonchul Kim, Kyung Kim
  • Publication number: 20170149024
    Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly, a case accommodating the electrode assembly and a lead member extending from the electrode assembly to outside of the case. The secondary battery also includes an insulation member at least partially covering the lead member, the insulation member having an exterior portion that is located outside the case and an interior portion that is located inside the case, wherein the interior portion has a first thickness, and wherein at least part of the exterior portion has a second thickness less than the first thickness. The secondary battery may have a compact structure, and insulation characteristics of the secondary battery may be improved.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 25, 2017
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Euysun Jung, Soomi Eo, Kyunghoon Cho, Kyung Kim, Kwonchul Kim, Jaemin Im
  • Publication number: 20170149084
    Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly and a case comprising an accommodation region configured to accommodate the electrode assembly. The accommodation region has a first width in a center area thereof and a second width in opposing ends thereof, and wherein the second width is greater than the first width. When the case configured to accommodate the electrode assembly is formed, formation errors caused by concentration of stress such as tearing of a raw material or thickness deviations may be prevented.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 25, 2017
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Soomi Eo, Euysun Jung, Kyung Kim, Jaemin Lim, Kyunghoon Cho, Kwonchul Kim
  • Publication number: 20170141427
    Abstract: A secondary battery includes: a wound electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a pouch accommodating the electrode assembly; and; an adhesive tape on an outer surface of the electrode assembly. The adhesive having adhesiveness through reaction with an electrolyte.
    Type: Application
    Filed: October 27, 2016
    Publication date: May 18, 2017
    Inventors: Kyunghoon Cho, Jeawoan Lee, Youngchang Lim, Soomi EO, Seunghee Park, Jaemin Lim, Kwonchul Kim, Euysun Jung, Kyung Kim
  • Publication number: 20170141363
    Abstract: A rechargeable battery includes an electrode assembly, a pouch accommodating the electrode assembly, a first electrode tab electrically connected to the electrode assembly, the first electrode tab including a protruding portion that protrudes outwardly from a first surface of the electrode assembly so as to be exposed to the outside of the pouch and a parallel portion that extends along the first surface of the electrode assembly, and a fixing tape that attaches and fixes the first electrode tab to the first surface of the electrode assembly. The fixing tape adheres to cover the parallel portion of the first electrode tab bent along the first surface of the electrode assembly and the first surface of the electrode assembly.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 18, 2017
    Inventors: Kwonchul KIM, Jeawoan LEE, Youngchang LIM, Soomi EO, Kyung KIM, Jaemin LIM, Seunghee PARK, Euysun JUNG