US Patent Issued to Bayerische Motoren Werke on July 22 for "Method for diagnosing at least one fuel cell stack of a fuel cell device, computer-readable storage medium, and fuel cell diagnostic system" (German Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,173, issued on July 22, was assigned to Bayerische Motoren Werke AG (Munich).

"Method for diagnosing at least one fuel cell stack of a fuel cell device, computer-readable storage medium, and fuel cell diagnostic system" was invented by Tim Lochner (Forchheim, Germany) and Markus Perchthaler (Grafrath, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for diagnosing at least one fuel cell stack of a fuel cell device by way of a fuel cell diagnostic system includes: impressing a sinusoidal first and at least one sinusoidal second AC current into the fuel cell stack; recording a sinusoidal first and second voltage response of the fuel cel...