King Abdulaziz University

Shittu Abdullahi

Numan Abdullah Salah

Kunihito Koumoto

Ahmed Alshahrei

A thermoelectric nanocomposite including porous carbonaceous particles, electrically conductive carbon nanotubes, and a binder. The porous carbonaceous particles contain 88.5 to 96.45 wt % carbon, 1.0 to 3.0 wt % oxygen, 2.5 to 7.5 wt % sulfur, and 0.05 to 1.0 wt % vanadium. The thermoelectric nanocomposite has a thermoelectric figure of merit ZT of 0.018 to 0.026 at 293 K and 0.016 to 0.024 at 393 K, a power factor of 10 to 14.0 μw/mKat 233 K and greater than 14.0 to 18 μW/mKat 393 K, and a Seebeck value of 24 to 27 μV/K at 233 K and 30 to 34 μV/K at 393 K. The thermoelectric nanocomposite may include milled, acid-treated oil fly ash. Also, a method of forming the thermoelectric nanocomposite. The thermoelectric nanocomposite may be used in a thermoelectric device.

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Jeddah, Saudi Arabia

Shittu Abdullahi