ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,867, issued on April 29, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).
"Furnace atmosphere control for lithium-ion battery cathode material production" was invented by Jingjing Cai (Shanghai), Paulina Weronika Kus (Milton Keynes, Great Britain), Liang He (Allentown, Pa.), Guido Plicht (Dortmund, Germany) and David Millington (Staffordshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for controlling the atmosphere of a multizone calcination (firing) furnace for production of high-quality nickel-rich cathode material for lithium-ion and solid-state batteries. A high-quality oxygen-rich atmosp...