Figure 4.
(a) Nyquist plot and (b) frequency response for the N-doped porous carbons. Electrolyte: 1 M H2SO4.
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.