# A Fluorine-Free Fuel Cell Membrane Just Matched Nafion — And the Timing Is Not Coincidence - Date: 2026-04-11 - Category: Space & Aerospace A graphene oxide membrane from Kumamoto University hits 0.7 W/cm², matching commercial PFSA performance. The EU PFAS restriction lands by end of 2026. Whether fluorine-free alternatives can fill the gap before then is the real question. ---