Patents by Inventor JangBae KIM

JangBae 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).

  • Amorphous silicon-carbon composite, preparation method therefor, and lithium secondary battery comprising same
    Patent number: 12159999
    Abstract: An amorphous silicon-carbon composite, a method for preparing the amorphous silicon-carbon composite using a pyrolysis method, a negative electrode for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: December 3, 2024
    Assignees: LG ENERGY SOLUTION, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jangbae Kim, Soojin Park, Jonghyun Chae, Jihye Yang, Taesoo Bok, Dongki Hong, Jaegeon Ryu, Seokkeun Yoo
  • JELLY-ROLL ELECTRODE ASSEMBLY AND CYLINDRICAL LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20240258581
    Abstract: A jelly roll electrode assembly and a cylindrical lithium secondary battery includes a positive electrode, a negative electrode and at least one separator. The negative electrode has an end provided with a non-coated portion on opposite surfaces.
    Type: Application
    Filed: December 7, 2022
    Publication date: August 1, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jangbae KIM, Hyeongseo KI, Dohyeong KIM, Soyeon KIM, So Hee KIM, Hyoung Kwon KIM, Kyungmin JANG
  • Sulfur-carbon composite, positive electrode for lithium-sulfur battery comprising same, and lithium-sulfur battery comprising positive electrode
    Patent number: 12040482
    Abstract: Disclosed is a sulfur-carbon composite including a carbon material, a coating on the carbon material which comprises a copolymer containing a monomer unit containing a catechol group and a monomer unit containing a lithium ion conductor, and sulfur. Also disclosed is an electrode for lithium-sulfur battery including the same, and a lithium-sulfur battery including the electrode.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: July 16, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Soohyun Kim, Jangbae Kim, Jehoon Lee, Wansoo Chang
  • Sulfur-doped silicon negative electrode material, method for producing same, lithium secondary battery negative electrode including negative electrode material, and lithium secondary battery comprising negative electrode
    Patent number: 12034157
    Abstract: A sulfur-doped silicon negative electrode material, a preparation method for a sulfur-doped silicon negative electrode material, a negative electrode for a lithium secondary battery comprising the sulfur-doped silicon negative electrode material, and a lithium secondary battery comprising the negative electrode, wherein the sulfur-doped silicon negative electrode material has an internal pore channel having an average width of 500 nm to 3 ?m and an average external diameter of 1 ?m to 5 ?m.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: July 9, 2024
    Assignees: LG ENERGY SOLUTION, LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jangbae Kim, Soojin Park, Jaegeon Ryu, Jonghyun Chae, Jihye Yang
  • Yolk-shell structured particles, method for producing same, and lithium secondary battery comprising same
    Patent number: 11999624
    Abstract: A particle with a yolk-shell structure including a shell including carbon; and a care including silicon (Si) provided inside the shell, wherein at least a part of the shell is spaced apart from the core, and the particle with the yolk-shell structure has a micropore volume of 0.15 cm3/g or less, and a method for preparing the same.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 4, 2024
    Assignees: LG ENERGY SOLUTION, LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jonghyun Chae, Won Cheol Yoo, Min Seo Kim, Jangbae Kim, Min Seok Kang
  • AMORPHOUS SILICON-CARBON COMPOSITE, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20230197957
    Abstract: An amorphous silicon-carbon composite, a method for preparing the amorphous silicon-carbon composite using a pyrolysis method, a negative electrode for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 22, 2023
    Applicants: LG ENERGY SOLUTION, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jangbae KIM, Soojin PARK, Jonghyun CHAE, Jihye YANG, Taesoo BOK, Dongki HONG, Jaegeon RYU, Seokkeun YOO
  • Amorphous silicon-carbon composite, preparation method therefor, and lithium secondary battery comprising same
    Patent number: 11616233
    Abstract: An amorphous silicon-carbon composite, a method for preparing the amorphous silicon-carbon composite using a pyrolysis method, a negative electrode for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: March 28, 2023
    Assignees: LG ENERGY SOLUTION, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jangbae Kim, Soojin Park, Jonghyun Chae, Jihye Yang, Taesoo Bok, Dongki Hong, Jaegeon Ryu, Seokkeun Yoo
  • SULFUR-CARBON COMPOSITE, POSITIVE ELECTRODE FOR LITHIUM-SULFUR BATTERY COMPRISING SAME, AND LITHIUM-SULFUR BATTERY COMPRISING POSITIVE ELECTRODE
    Publication number: 20220085358
    Abstract: Disclosed is a sulfur-carbon composite including a carbon material, a coating on the carbon material which comprises a copolymer containing a monomer unit containing a catechol group and a monomer unit containing a lithium ion conductor, and sulfur. Also disclosed is an electrode for lithium-sulfur battery including the same, and a lithium-sulfur battery including the electrode.
    Type: Application
    Filed: May 29, 2020
    Publication date: March 17, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soohyun KIM, Jangbae KIM, Jehoon LEE, Wansoo CHANG
  • SULFUR-DOPED SILICON NEGATIVE ELECTRODE MATERIAL, METHOD FOR PRODUCING SAME, LITHIUM SECONDARY BATTERY NEGATIVE ELECTRODE INCLUDING NEGATIVE ELECTRODE MATERIAL, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE
    Publication number: 20210328214
    Abstract: A sulfur-doped silicon negative electrode material, a preparation method for a sulfur-doped silicon negative electrode material, a negative electrode for a lithium secondary battery comprising the sulfur-doped silicon negative electrode material, and a lithium secondary battery comprising the negative electrode, wherein the sulfur-doped silicon negative electrode material has an internal pore channel having an average width of 500 nm to 3 ?m and an average external diameter of 1 ?m to 5 ?m.
    Type: Application
    Filed: March 6, 2020
    Publication date: October 21, 2021
    Applicants: LG CHEM, LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jangbae KIM, Soojin PARK, Jaegeon RYU, Jonghyun CHAE, Jihye YANG
  • YOLK-SHELL STRUCTURED PARTICLES, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20210024358
    Abstract: A particle with a yolk-shell structure including a shell including carbon; and a care including silicon (Si) provided inside the shell, wherein at least a part of the shell is spaced apart from the core, and the particle with the yolk-shell structure has a micropore volume of 0.15 cm3/g or less, and a method for preparing the same.
    Type: Application
    Filed: September 21, 2018
    Publication date: January 28, 2021
    Applicants: LG Chem, Ltd., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jonghyun CHAE, Won Cheol YOO, Min Seo KIM, Jangbae KIM, Min Seok KANG
  • AMORPHOUS SILICON-CARBON COMPOSITE, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20200388846
    Abstract: An amorphous silicon-carbon composite, a method for preparing the amorphous silicon-carbon composite using a pyrolysis method, a negative electrode for a lithium secondary battery, and a lithium secondary battery including the same.
    Type: Application
    Filed: March 12, 2019
    Publication date: December 10, 2020
    Applicants: LG CHEM, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jangbae KIM, Soojin PARK, Jonghyun CHAE, Jihye YANG, Taesoo BOK, Dongki HONG, Jaegeon RYU, Seokkeun YOO
  • PROTECTIVE FILM FOR LITHIUM ELECTRODE, AND LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
    Publication number: 20180294513
    Abstract: The present invention relates to a passivation layer for a lithium electrode, and a lithium electrode and a lithium secondary battery including the same, and in particular, to a lithium electrode capable of enhancing battery performance by securing a sufficient level of strength to suppress lithium dendrite growth through forming a passivation layer in an electrode including lithium, and through forming the passivation layer in a fibrous network structure, and a lithium secondary battery including the same.
    Type: Application
    Filed: April 4, 2017
    Publication date: October 11, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Euiyong HWANG, Jihye YANG, Dongwook KOH, Jangbae KIM
  • Electrode active material containing polydopamine and lithium secondary battery including the same
    Patent number: 9147880
    Abstract: Disclosed are an electrode active material including lithium metal oxide particles and a polydopamine layer formed on a surface of each of the lithium metal oxide particles, and a lithium secondary battery including the same.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: September 29, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Tae Jin Park, Jae Hyun Lee, SeongMin Lee, JangBae Kim
  • ELECTRODE ACTIVE MATERIAL CONTAINING POLYDOPAMINE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20130302666
    Abstract: Disclosed are an electrode active material including lithium metal oxide particles and a polydopamine layer formed on a surface of each of the lithium metal oxide particles, and a lithium secondary battery including the same.
    Type: Application
    Filed: April 18, 2013
    Publication date: November 14, 2013
    Inventors: Tae Jin PARK, Jae Hyun LEE, SeongMin LEE, JangBae KIM