US Patent Issued to National Research Council of Canada on April 7 for "Solid polymer electrolyte for batteries" (Canadian Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,639, issued on April 7, was assigned to National Research Council of Canada.

"Solid polymer electrolyte for batteries" was invented by Asmae Mokrini (Montreal) and Alexis Laforgue (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a solid polymer electrolyte (SPE) comprising a dissociable metal salt; a metal ion conductive polymer system; and a phosphonium salt having the general formula [PR1R2R3R4]X, where each of R1, R2, R3 and R4 are independently selected from C1 to C12 hydrocarbons, which hydrocarbons may be optionally substituted by 1 to 5 heteroatoms selected from N, O, and S, and X is an anion. Further provided are a method...