Experimental correlation of Mn3+ cation defects and electrocatalytic activity of α-MnO2 – an X-ray photoelectron spectroscopy study

Autor: Michael F. Fink, Morten Weiss, Roland Marschall, Christina Roth
Rok vydání: 2022
Předmět:
Zdroj: Journal of Materials Chemistry A. 10:15811-15838
ISSN: 2050-7496
2050-7488
Popis: The role of Mn3+ cation defects in electrocatalysis of α-MnO2 towards the oxygen reduction reaction (ORR) is demonstrated. Ultimately, a volcano trend in intrinsic activities unveiled ∼50 mol% Mn3+ to be the optimal content for highest ORR activity.
Databáze: OpenAIRE