ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,729, issued on Oct. 14, was assigned to The Chinese University of Hong Kong (Hong Kong).

"Preparation of LI and NA foils with {110} or {100} surface texturing" was invented by Quan Li (Hong Kong) and Xitao Hu (Shanxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a lithium or sodium foil for use as an electrode involves imposing a surface texturing that is predominately the {110} or {100} crystallographic orientation. For a Li {110} foil, a raw foil with a thickness of about 600 micro metre is heated to about 90deg C. to randomize the crystallographic orientation and the foil is rolled to about 300 micro metre upon cooling...