Patents Examined by Anna E. Goould
  • Secondary battery and manufacturing method of the same
    Patent number: 12665226
    Abstract: A secondary battery includes a jelly roll-type electrode assembly impregnated with an electrolyte solution; a battery case for housing the electrode assembly and the electrolyte solution; a cap assembly coupled with an upper portion of the battery case; and a reference electrode in which one end is immersed with the electrolyte solution and the other end is exposed to the outside through the battery case and the cap assembly.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: June 23, 2026
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jongpil Jegal, Hyo Seok Kang