The United States Patent and Trademark Office (USPTO) has granted patent US12586790B2 to LG Energy Solution, Ltd. for a lithium secondary battery. The patent details a battery design incorporating a cathode with a specific lithium composite transition metal compound (Ni, Co, Mn) and anode active materials, along with a separator and electrolyte. A key feature of the invention is the cathode active material's composition, which comprises single particles and/or pseudo-single particles with an average particle diameter (D50) of 1 μm or more.

This patent grant represents a new intellectual property asset for LG Energy Solution, Ltd. in the field of battery technology. While patent grants do not impose direct compliance obligations on other entities, they establish exclusive rights for the patent holder. Companies operating in the battery manufacturing sector, particularly those developing or producing lithium secondary batteries with similar cathode compositions or particle characteristics, should be aware of this granted patent to avoid potential infringement issues. The filing date for this patent was April 9, 2025, and the grant date is March 24, 2026.