ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,086, issued on July 8, was assigned to TOPPAN INC. (Tokyo).
"Catalyst layer" was invented by Atsuhiro Kawamura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cathode catalyst layer and an anode catalyst layer used for a membrane-electrode assembly in a polymer electrolyte fuel cell, wherein the cathode catalyst layer and the anode catalyst layer each include catalyst particles, a conductive carrier, a polymer electrolyte, and a fibrous material, the fibrous material includes at least one of an electron conductor and a proton conductor, and the fibrous material has a specific surface area in a range of 40 m2/g or more and 80 m2/g or less."
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