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Design Footstep Power Generator Using Barium Titania
Yew-Keong Sin1, Wassem Ibrahim Abdelhamid Eldusuqi Altabaji2.
Healthy human walks every day yet the energy from walking is not exploited. In order to harvest the energy from walking, piezoelectric material is applied because it possesses the ability in transforming mechanical energy into electrical energy. This work presents the fabrication process of footstep power generator using barium titanate as piezoelectric material. Piezoelectric sensors were first fabricated by pressing the deposited barium titanate on the copper substrate using the pelletizer. Subsequently, a foot step power generator was built by connecting the piezoelectric sensors with a full wave bridge rectifier and a lead acid battery. The output voltages of the fabricated footstep power generator with 1, 3 and 5 barium titanate piezoelectric sensors connected in series are measured and analysed. The experiment results show that the output voltage is directly proportional to human body weights stepping on the device and the energy conversion efficiency increases with the number of sensors. In conclusion, a small voltage was generated by human steps with the footstep power generator fabricated using barium titanate piezoelectric sensors.
Affiliation:
- Multimedia University, Cyberjaya, Malaysia
- Multimedia University, Cyberjaya, Malaysia
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