Patents by Inventor Ran Eun Lee

Ran Eun Lee 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).

  • Lithium Secondary Battery
    Publication number: 20250055019
    Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VT represented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): VT=Ctotal/t.
    Type: Application
    Filed: October 31, 2024
    Publication date: February 13, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Wook Lee, Ju Young YUN, Seok Jin OH, Joo Hwan SUNG, Hee Chang Youn, Ji Min PARK, Hye In KO, Ran Eun LEE, Jin Young PARK
  • Lithium secondary battery
    Patent number: 12224394
    Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VT represented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): VT=Ctotal/t.
    Type: Grant
    Filed: June 7, 2024
    Date of Patent: February 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Min Wook Lee, Ju Young Yun, Seok Jin Oh, Joo Hwan Sung, Hee Chang Youn, Ji Min Park, Hye In Ko, Ran Eun Lee, Jin Young Park
  • Lithium Secondary Battery
    Publication number: 20240413380
    Abstract: The present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. The lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 V or greater, and VT represented by Equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 V is 4 Ah/sec or less: Equation (1): VT=Ctotal/t.
    Type: Application
    Filed: June 7, 2024
    Publication date: December 12, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Wook Lee, Ju Young Yun, Seok Jin Oh, Joo Hwan Sung, Hee Chang Youn, Ji Min Park, Jin Young Park, Hye In Ko, Ran Eun Lee