MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617058875 A) filed by Lg Energy Solution, Ltd. on May 08, 2026, for Lithium Secondary Battery, Battery Pack, And Electric Vehicle.
Inventors include Park, Jin Young; Oh, Seok Jin; Park, Ji Min; Sung, Joo Hwan; Youn, Hee Chang; and Jung, Kyung Min.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The present invention relates to a lithium secondary battery comprising: an electrode assembly including a cathode, an anode, and a separator; an electrolyte; and a battery case including an inner space for accommodating the electrode assembly and the electrolyte, wherein the cathode comprises a cathode active material, and the cathode active material includes a lithium nickel-based oxide including 50 mol% to 70 mol% of nickel among all metals exclusive of lithium and has an Electrolyte Filling Factor (Eff) index (unit: g/Ah) of 1.52 to 1.88 as defined by the following equation 1. [Equation 1] In Equation 1, RE [unit: g] refers to the weight of residual electrolyte contained in the lithium secondary battery after activation, SU refers to the ratio (SE/SC) of the volume of the electrode assembly (SE) to the volume of the lithium secondary battery (SC), and NC [unit: Ah] refers to the capacity when the lithium secondary battery is discharged from 4.4V to 3.0V at 0.33C at 25°C.
Disclaimer: Curated by HT Syndication.
