Nagaiah, T.C.; Tiwari, A.; Kumar, M.; Scieszka, D.; Bandarenka, A.S.
(2020-12-14)
Electrochemical transformation of Mn4+ into Mn3+ in the Mn2O3
bixbyite structure is believed to activate this oxygen reduction catalyst for O2
electrosorption. The actual mechanism, however, still remains to be revealed ...