US Patent Issued to TOYOTA JIDOSHA on Sept. 1 for "Positive electrode active material and battery" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,797, issued on Sept. 1, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Positive electrode active material and battery" was invented by Yuusuke Shimizu (Chiryu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material includes nickel contained as a transition metal in a ratio of 70 mol % or more of the total transition metal; and polycrystalline particles and monocrystalline particles, in which a B/A value calculated from a lithium hydroxide content A (mass %) of the polycrystalline particles and a lithium hydroxide content B (mass %) of the monocrystalline particles is 1.03 to 1.9."

The patent was filed on Oc...