ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,485, issued on Sept. 30, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Positive electrode and lithium ion battery" was invented by Takuya Matsuyama (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode includes a first active material and a second active material. The first active material contains at least Li, Mn, and O as constituent elements and includes an O2 type structure. The second active material contains at least Li, a transition metal element, and O as constituent elements but does not contain Mn, and includes the O2 type structure."
The patent was filed on Oct. 27, 2022, under Application No. 17/974...