ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,577, issued on May 5, was assigned to ECOPRO BM Co. LTD. (Cheongju-si, South Korea).
"Positive electrode active material and lithium secondary battery comprising the same" was invented by Moon Ho Choi (Cheongju-si, South Korea), Gyeong Jae Heo (Cheongju-si, South Korea), Hyun Jong Yu (Cheongju-si, South Korea) and Seung Hyun Choi (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a positive electrode active material, and a lithium secondary battery comprising a positive electrode including the positive electrode active material."
The patent was filed on Aug. 20, 2019, under Application No. 16/545...