Maximal electrocatalytic activity of Sr-doped Nd 1− x Sr x MnO 3 perovskite oxides ( x = 0.1, 0.2, 0.3) towards ORR: for next-generation power systems

Puntos clave

• This research aims to evaluate the electrocatalytic activity of Sr-doped Nd_1-xSr_xMnO₃ perovskite oxides for the oxygen reduction reaction (ORR).
• Prepared perovskite oxides using the sol-gel method.
• Synthesized three variations with different Sr doping levels (x = 0.1, 0.2, 0.3).
• Conducted evaluations of electrocatalytic properties towards ORR.
• Maximal electrocatalytic activity observed for specific Sr doping levels.
• Performance varies significantly based on the composition of the dopants.

Resumen