High-performance, acid-durable nonprecious ternary alloy cathode via Zn dealloying for proton exchange membrane water electrolysis

Key Points

• This research aims to develop a durable nonprecious cathode for effective water electrolysis.
• Developed a NiMo-based cathode through selective Zn dealloying and thermal annealing.
• Assessed the electrochemically active surface area of the cathode.
• Evaluated performance metrics at a specific voltage under acidic conditions.
• Achieved an electrochemically active surface area of 1.897 A cm-2 at 2.0 Vcell.
• Demonstrated high activity and structural stability in acidic media.