Research Article
Graphene/Sulfur@Graphene Composite Structure Material for a Lithium-Sulfur Battery Cathode
Figure 9
(a) CV curves at a scan rate of 0.1 mV s−1 and (b) the 2nd to the 40th discharge/charge curves of the G/S-G cathode at 0.1 C between 1.5 and 2.8 V.
| (a) |
| (b) |