Thermoelectric materials, environmentally friendly materials in the 21st century, are considered to be very competitive in the energy alternative media. Skutterudite (such as binary CoSb3 compound) compounds have become one of the most promising TE materials because of their higher carrier mobility and high Seebeck coefficient. However, the figure-of-merit ZT using to evaluate the performance of TE materials and conversion of thermo-electricity of binary skutterudites are not famous owing to its relatively ...