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.
Electrochemical test. (a) Comparison of the capacities above and below 1 V at 25 mA g−1 of USCs; (b) cycle stability at 25 mA g−1; (c) charge and discharge curves of USC20−1 at different current densities; (d) rate performance; (e) cycle stability at 1.0 A g−1.
