US Patent Issued to SUMITOMO METAL MINING on June 30 for "Lithium metal composite oxide, positive electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,087, issued on June 30, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Lithium metal composite oxide, positive electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery" was invented by Daisuke Nagao (Ehime, Japan) and Kenji Takamori (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a lithium metal composite oxide, when used as a positive electrode active material for a lithium secondary battery, capable of obtaining a lithium secondary battery having a high cycle retention rate, and a positive electrod...