US Patent Issued to TOPPAN on Sept. 16 for "Catalyst ink for forming electrode catalyst layer and method of producing membrane electrode assembly" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,032, issued on Sept. 16, was assigned to TOPPAN INC. (Tokyo).

"Catalyst ink for forming electrode catalyst layer and method of producing membrane electrode assembly" was invented by Naoki Hamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catalyst ink which can be directly applied to a polymer electrolyte membrane without producing wrinkles or cracks in the catalyst layer and without lowering performance, and a membrane electrode assembly using the catalyst ink. The catalyst ink for an electrode catalyst layer includes a solvent. The solvent contains catalyst-supported carbon particles which are carbon particles supporting a catalyst, a...