fig9
Figure 9. Morphology of carbon materials deposited over (A)00Ni-LCCM; (B) 02Ni-LCCM, (C) 05Ni-LCCM; (D) 10Ni-LCCM; (E) 15Ni-LCCM; (F) 20Ni-LCCM and (G) 25Ni-LCCM at 750 °C under methane atmosphere for 15 h. LCCM: (La0.75Ca0.25)(Cr0.5Mn0.5)O3-δ.