Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A. Cyclic voltammetry of the MnOx catalyst in O2 showing bifunctional ORR/OER activity and the background activity of the Au-Si3N4 support. Inset shows the disappearance of Au redox features after addition of MnOx; B. Scanning electron microscopy image illustrating needle-like morphology of MnOx.
