MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202617018188 A) filed by Lg Energy Solution, Ltd. on February 18, 2026, for Lithium Secondary Battery.
Inventors include Park, Jin Young; Park, Ji Min; Oh, Seok Jin; Sung, Joo Hwan; Youn, Hee Chang; and Jung, Kyung Min.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present invention relates to a lithium secondary battery comprising: an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode; an electrolyte; and a battery case including an inner space for accommodating the electrode assembly and the electrolyte, wherein the cathode includes a cathode active material, the cathode active material includes a lithium nickel-based oxide containing 50-70 mol% nickel from total metal content thereof excluding lithium, and the electrolyte filling factor (EFF) index (unit: g/Ah) defined by relation 1 is 1.82-2.06. [Relation 1] In relation 1, RE [unit: g] represents the weight of the remaining electrolyte included in the lithium secondary battery after activation, SU represents the ratio (SA/SE) of the volume (SA) of the electrode assembly and the volume (SE) of the lithium secondary battery, and NC [unit: Ah] represents the capacity when the lithium secondary battery is discharged from 4.4 V to 2.5 V at 0.33 C at 25°C.
Disclaimer: Curated by HT Syndication.
