Fig. 6From: Synthesis of Porous Hollow Spheres Co@TiO2−x-Carbon Composites for Highly Efficient Lithium-Ion BatteriesCV curves of a Co@TiO2−x-carbon and c TiO2; Charge–discharge voltage profiles of b Co@TiO2−x-carbon and d TiO2 at 0.2 A g−1; e Cyclic stability and f rate capabilities of as-synthesized products; g Long cycling performance of as-synthesized products at 1 A g−1; h Nyquist plots of as-synthesized products before cyclingBack to article page