US Patent Issued to AUDI on Nov. 11 for "Bipolar plate having duct divisions present in the active region, and a fuel cell stack" (German Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,856, issued on Nov. 11, was assigned to AUDI AG (Ingolstadt, Germany).

"Bipolar plate having duct divisions present in the active region, and a fuel cell stack" was invented by Oliver Keitsch (Heilbronn, Germany), Fabian Lippl (Mannheim, Germany), Armin Siebel (Neckarsulm, Germany) and Sebastian Voigt (Heilbronn, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bipolar plate for a fuel cell comprises a first reactant flow field on its first plate side and a second reactant flow field on its second plate side, situated opposite the first plate side, wherein the flow fields comprise multiple flow ducts bounded by webs in an active region for o...