US Patent Issued to SUMITOMO METAL MINING on Feb. 24 for "Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,383, issued on Feb. 24, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Positive electrode active material for lithium ion secondary battery and lithium ion secondary battery" was invented by Tetsutaro Hayashi (Niihama, Japan), Willy Shun Kai Bong (Niihama, Japan), Shinsuke Suganuma (Niihama, Japan), Toshihiro Kato (Tokyo) and Jiro Okada (Niihama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The positive electrode active material is capable of reducing positive electrode resistance, exhibiting better output characteristics, and having high mechanical strength when the positive electrode active material is used in a lithium ion secon...