Figure 8

(a) Cycling performance of CuO nanoplatelet electrode at the high current rates of 5 C and 10 C. The inset shows the coulombic efficiency. (b) Rate performance of the CuO nanoplatelet and CuO nanoparticle electrodes.

(a) Cycling performance of CuO nanoplatelet electrode at the high current rates of 5 C and 10 C. The inset shows the coulombic efficiency. (b) Rate performance of the CuO nanoplatelet and CuO nanoparticle electrodes.