MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202617033340 A) filed by Lg Energy Solution, Ltd. on March 19, 2026, for Cylindrical Lithium Secondary Battery.
Inventor includes Kim, Byung Ju.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present invention relates to a cylindrical lithium secondary battery comprising: an electrode assembly in which a positive electrode, a separator, and a negative electrode are sequentially stacked and wound in one direction; an electrolyte; and a battery case in which the electrode assembly and the electrolyte are accommodated, wherein the electrolyte includes an ester-based solvent, and the diffusion of ions in a battery (DIB) value defined by Equation 1 below is 162 mS/mm2 to 635 mS/mm2. In Equation 1, h (unit: mm) is the height of the cylindrical lithium secondary battery, R (unit: mm) is the diameter of the cylindrical lithium secondary battery, r (unit: mm) is the radius of a winding center of the electrode assembly, C (unit: mS/mm) is the ionic conductivity of the electrolyte, and t+ is the cation transport rate of the electrolyte.
Disclaimer: Curated by HT Syndication.
