US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Oct. 21 for "Current collector patterning for enhanced adhesion" (Michigan Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,494, issued on Oct. 21, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Current collector patterning for enhanced adhesion" was invented by Andrew Clay Bobel (Troy, Mich.), Louis G. Hector Jr. (Shelby Township, Mich.), Erik Brandon Golm (Warren, Mich.), Shaomao Xu (Sterling Heights, Mich.), Raghunathan K (Troy, Mich.) and Anil K. Sachdev (Rochester Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a battery current collector foil includes heat treating a foil sheet and mechanically roughening the heat treated foil sheet to create a surface roughness of between 2-4 micro metre. The heat treating and mechan...