Figure 3.
Scanning electron microscopy (SEM) images of two Pt/C catalytic electrodes using the catalyst inks pre-heated at (a,c) 25 °C and (b,d) 80 °C, respectively.
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.