ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,345, issued on April 21, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).
"Lithium secondary battery" was invented by Shulkee Kim (Daejeon, South Korea), Duyeol Kim (Daejeon, South Korea), Kimin Park (Daejeon, South Korea) and Kwang Ho Yoo (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium secondary battery includes a positive electrode, a separator, and a negative electrode, wherein the negative electrode includes a silicon-based active material and wherein a resistance ratio represented by Equation 1 is 100% to 140%."
The patent was filed on April 8, 2025, under Application No. 19/172,750.
*For further i...