Energy Harvesting Thermoelectric Power Generator From Human Body Under Different Conditions

Mohd Radzi, Nur Aiman Najwa (2017) Energy Harvesting Thermoelectric Power Generator From Human Body Under Different Conditions. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Statistic shows that only half of the energy become useful energy and the rest are contribute to energy loss or waste heat.In order to reduce waste heat, thermoelectric power generator (TEG) is one of the effective solutions to produce energy from waste heat.A thermoelectric power generator (TEG) is usually having two junctions incorporating different metals or alloys. If heat is introduced to a circuit at the junction of two different conductors,a current will be generated.This project presents a wearables thermoelectric power generator using body heat.The objective of this project is to analyse the human body heat in difference ambient temperature and analyse the electrical characteristic of a thermoelectric power generator.In this project,the prototype of thermoelectric power generator (TEG) has been designed to approve that the system can generate electricity using waste heat. Three difference analysis has been done to present the difference of voltage output that is produced by the thermoelectric power generator. The result shows that the output generated from thermoelectric power generator (TEG) for the analysis of difference ambient temperature is 95.68 mV in ambient temperature is in the morning. Meanwhile,for the difference activities of the human body, the voltage output is 93.7 mV for the running activity and for the analysis of difference cloth rubber cloth shows the highest output voltage which is 89.90 mV.This voltage is lower than expected value due to the inability to control temperature differences between heat supplies and cooler to achieve the maximum voltage produced from the thermoelectric power generator (TEG).This project could be a milestone in reducing electricity usage from natural resources and lowering the cost of generating electricity.In addition,this project also reduces the amount of pollution caused by waste heat.

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