ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,090, issued on July 28, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).

"Positive active material and electrochemical device" was invented by Xia Wu (Ningde City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive active material, comprising a lithium transition metal composite oxide containing Co and R elements and an M element. The lithium transition metal composite oxide has a P63mc crystal structure. The M element includes at least one of Al, Mg, Ti, Mn, Fe, Ni, Zn, Cu, Nb, Cr, Y, or Zr. The R element includes at least one of F or Cl. A molar content of the R element is nR, a sum of a molar content of the Co ele...