Synthesis and Characterization of Stable and Binder-Free Electrodes of TiO₂ Nanofibers for Li-Ion Batteries

Figure 5

TEM images of carbon-coated TiO₂ nanofibers (a)–(d) calcined in air for 3 h at 400, 600, 800, and 1,000°C, respectively.

(a)

(b)

(c)

(d)