ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,968, issued on May 27, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Patterned catalyst layers in fuel cells" was invented by Lei Cheng (San Jose, Calif.), Michael Metzger (Sunnyvale, Calif.), Saravanan Kuppan (Sunnyvale, Calif.) and Christina Johnston (Spanish Fort, Ala.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell includes a flow field plate, a catalyst layer, and a gas diffusion layer (GDL). The flow field plate has at least one channel and at least one land. Each of the at least one channel being positioned between two adjacent lands. The GDL is positioned between the flow field plate and the catalyst layer. The catalyst...