ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,798, issued on Sept. 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Positive electrode active material, battery, and method of manufacturing positive electrode active material" was invented by Ryosuke Ohsawa (Okazaki, Japan), Takahiko Ninomiya (Miyoshi, Japan) and Taku Kinoshita (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material having a composition represented by LixNiaCobMncMdO2, wherein, when an inner region, which extends 70% of a diameter from a center of a particle of the positive electrode active material, in a TEM-EDX image of a cross-section of the particle is sectioned into square r...