US Patent Issued to Hyundai Motor, Kia on Sept. 1 for "Method of manufacturing highly durable electrolyte membrane for fuel cells" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,822, issued on Sept. 1, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Method of manufacturing highly durable electrolyte membrane for fuel cells" was invented by Se Wook Jang (Suwon-si, South Korea) and Kweon Ju Park (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment method of manufacturing an electrolyte membrane for fuel cells includes preparing a three-layer structure including a first ionomer layer on a first surface of a porous support and a second ionomer layer on a second surface of the porous support opposite the first surface, pressurizing an inert gas into th...