Fig. 4From: Synthesis of Porous Hollow Spheres Co@TiO2−x-Carbon Composites for Highly Efficient Lithium-Ion Batteriesa SEM; b high-resolution TEM image; c FFT pattern; d the inverse FFT crystalline lattice image; e the lattice spacing profiles at selected areas in yellow and red; f linear scan and corresponding elemental mappings of Co@TiO2−x-carbonBack to article page