US Patent Issued to TOYOTA JIDOSHA on Sept. 1 for "Composite positive electrode active material" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,788, issued on Sept. 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Composite positive electrode active material" was invented by Hideaki Watanabe (Nisshin, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a composite positive electrode active material including a lithium metal oxide as a positive electrode active material and a covering layer covering at least part of a surface of the positive electrode active material, the covering layer contains an Li element, a B element, and an O element, a molar ratio Li/B of the Li element to the B element in the covering layer is 1.5 to 3.0, and a coverage rate of the covering layer covering...