ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,472, issued on Dec. 30, was assigned to UMICORE (Brussels).

"Lithium metal composite oxide powder with suppressed gas generation" was invented by Takashi Shinpuku (Olen, Belgium), Hiroshi Tani (Olen, Belgium), Ralph Otterstedt (Olen, Belgium) and Keiichiro Kanao (Olen, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium metal composite oxide powder for use in a positive electrode active material for a lithium ion battery has a composition of LiaNibCocAldO2 (wherein, a=0.8 to 1.2, b=0.7 to 0.95, c=0.02 to 0.2, d=0.005 to 0.1, and b+c+d=1). The powder has been treated with an aqueous solution of an organic metal salt and soluble aluminum ...