Figure 7
From: Enhanced Lithium Storage in Hierarchically Porous Carbon Derived from Waste Tea Leaves
Galvanostatic charge/discharge profiles of (a) TW-Car and (b) HCl-TW-Car at 0.2C; (c) Cycling performance of TW-Car and HCl-TW-Car at 0.2C (1C = 372 mAh g−1); (d) rate performance of TW-Car and HCl-TW-Car at 0.05, 0.1, 0.2, 1, 3, and 5 C.
