US Patent Issued to GM Global Technology Operations on Sept. 29 for "Method to improve ionic conductivity of a solid electrolyte in a battery cell" (Michigan Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,705, issued on Sept. 29, was assigned to GM Global Technology Operations LLC (Detroit).

"Method to improve ionic conductivity of a solid electrolyte in a battery cell" was invented by Xingcheng Xiao (Troy, Mich.), Robert D. Schmidt (Bloomfield Hills, Mich.) and Yifan Zhao (Warren, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method to create a garnet-based solid electrolyte separator for a battery cell is provided. The method includes coating a garnet-based material powder, initially including a lithium carbonate layer upon an outer surface of the garnet-based material powder, with aluminum fluoride to create a fluoride-treated garnet-bas...