Patents by Inventor Gue-Sung Kim

Gue-Sung 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).

  • Publication number: 20200161645
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: Jun-young MUN, Jae-myung LEE, Gue-sung KIM, Yoon-sok KANG, Myung-hoon KIM, Jun-ho PARK, Jin-hwan PARK, Jae-gu YOON, Byung-jin CHOI
  • Patent number: 10586980
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Mun, Jae-myung Lee, Gue-sung Kim, Yoon-sok Kang, Myung-hoon Kim, Jun-ho Park, Jin-hwan Park, Jae-gu Yoon, Byung-jin Choi
  • Patent number: 10581072
    Abstract: An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-chul Jung, Jin-soo Mun, Jin-hwan Park, Gue-sung Kim
  • Patent number: 10305100
    Abstract: A composite cathode active material including an overlithiated metal oxide having a layered structure, a material having an olivine structure, and one or more of: an inorganic material, and nitrogen atoms doped in the material having an olivine structure. The inorganic material includes a nitride or carbide of a non-transition metal. The composite cathode active material may be included in a cathode, and the cathode may be included in a lithium battery.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: May 28, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-yeon Kim, Kyu-sung Park, Young-min Choi, Won-chang Choi, Min-sang Song, Gue-sung Kim, Ryoung-hee Kim
  • Patent number: 10276862
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes a core including a lithium intercalatable oxide which enables intercalation and deintercalation of lithium; and a coating layer disposed on at least a portion of the core, wherein the conductive layer includes a lithium metal oxide which is an inactive lithium ion conductor, and wherein the lithium metal oxide contains a metal which has an atomic weight of 27 Daltons or more and is selected an element of Groups 3 to 14 of the Periodic Table of the Elements.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: April 30, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-young Mun, Jin-hwan Park, Gue-sung Kim, Jun-ho Park, Jae-gu Yoon
  • Publication number: 20180323426
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 8, 2018
    Inventors: Jun-young MUN, Jae-myung LEE, Gue-sung KIM, Yoon-sok KANG, Myung-hoon KIM, Jun-ho PARK, Jin-hwan PARK, Jae-gu YOON, Byung-jin CHOI
  • Patent number: 10109850
    Abstract: An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu—K? radiation, is at a noise level of an X-ray diffraction spectrum or less.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: October 23, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Won-chang Choi, Gue-sung Kim, Min-sang Song, Young-min Choi, Ryoung-hee Kim, So-yeon Kim
  • Patent number: 10056608
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: August 21, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Mun, Jae-myung Lee, Gue-sung Kim, Yoon-sok Kang, Myung-hoon Kim, Jun-ho Park, Jin-hwan Park, Jae-gu Yoon, Byung-jin Choi
  • Publication number: 20180151875
    Abstract: An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.
    Type: Application
    Filed: January 26, 2018
    Publication date: May 31, 2018
    Inventors: Hee-chul JUNG, Jin-soo MUN, Jin-hwan PARK, Gue-sung KIM
  • Patent number: 9972833
    Abstract: An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-chul Jung, Jin-soo Mun, Jin-hwan Park, Gue-sung Kim
  • Publication number: 20170155136
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Inventors: Jun-young MUN, Jae-myung LEE, Gue-sung KIM, Yoon-sok KANG, Myung-hoon KIM, Jun-ho PARK, Jin-hwan PARK, Jae-gu YOON, Byung-jin CHOI
  • Patent number: 9601761
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Mun, Jae-myung Lee, Gue-sung Kim, Yoon-sok Kang, Myung-hoon Kim, Jun-ho Park, Jin-hwan Park, Jae-gu Yoon, Byung-jin Choi
  • Patent number: 9391316
    Abstract: A composite cathode active material, a cathode and a lithium battery including the composite cathode, and a method of preparing the composite cathode active material, the composite cathode active material including a compound with an olivine crystal structure; and an inorganic material, the inorganic material including a nitride or carbide of at least one element selected from the group of Group 2, Group 13, Group 14, and Group 15 of the periodic table of elements.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Gue-sung Kim, Young-min Choi, Won-chang Choi
  • Patent number: 9356290
    Abstract: A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material, the composite cathode active material including a compound having an olivine crystal structure; and an inorganic material, the inorganic material including at least one selected from the group of a metal carbonitride and a carbonitride.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Gue-sung Kim, Ryoung-hee Kim, So-yeon Kim, Woon-jung Paek, Min-sang Song, Young-min Choi, Won-chang Choi
  • Publication number: 20160149222
    Abstract: A negative electrode including: a current collector; a negative active material layer formed on the current collector; and a polymer coating layer that is formed on the negative active material layer and comprises a fluorinated acrylate type polymer.
    Type: Application
    Filed: January 23, 2016
    Publication date: May 26, 2016
    Inventors: Gue-sung Kim, Moon-Seok Kwon, Han-su Kim
  • Publication number: 20160149202
    Abstract: A negative electrode including: a current collector; a negative active material layer formed on the current collector; and a polymer coating layer that is formed on the negative active material layer and comprises a fluorinated acrylate type polymer.
    Type: Application
    Filed: January 23, 2016
    Publication date: May 26, 2016
    Inventors: Gue-sung KIM, Moon-Seok KWON, Han-su KIM
  • Patent number: 9337482
    Abstract: A composite nitride, a method of preparing the composite nitride, an electrode active material including the composite nitride, an electrode including the electrode active material, and a lithium secondary battery including the electrode, the composite nitride including a core material including a bronze-phase titanium oxide; and a nitrogen atom doped on at least part of the core material.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: May 10, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ryoung-hee Kim, Min-sang Song, Gue-sung Kim, So-yeon Kim, Young-min Choi, Won-chang Choi
  • Patent number: 9276253
    Abstract: A negative electrode including: a current collector; a negative active material layer formed on the current collector; and a polymer coating layer that is formed on the negative active material layer and comprises a fluorinated acrylate type polymer.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: March 1, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gue-sung Kim, Moon-Seok Kwon, Han-su Kim
  • Publication number: 20150155561
    Abstract: An anode including a current collector; an anode active material layer disposed on the current collector, and a lithium-containing organic compound disposed on a surface of the anode active material layer
    Type: Application
    Filed: July 14, 2014
    Publication date: June 4, 2015
    Inventors: Gue-sung KIM, Sang-kook MAH, Woon-jung PAEK, Myung-jin LEE
  • Publication number: 20150147649
    Abstract: An anode active material for a lithium secondary battery, the anode active material including a metal silicide core, a silicon shell disposed on the core, and a metal nitride disposed on a surface of the silicon shell opposite the core.
    Type: Application
    Filed: July 24, 2014
    Publication date: May 28, 2015
    Inventors: Hee-chul JUNG, Jin-soo MUN, Jin-hwan PARK, Gue-sung KIM