Abstract

Fabrication and Characterization of Thermoelectric Microgenerators with Carbon Nanotube

Highlights

  • In 1823, Seebeck discovered that two different metal junctions produced a potential as the junctions had a temperature difference

  • The results showed that the temperature difference of the microgenerator with multiwalled carbon nanotubes (MCNTs) exceeded that of the microgenerator without MCNTs

  • The results revealed that the microgenerator with MCNTs had an output voltage of 0.25 mV at the temperature difference of 1 K and an output voltage of 0.7 mV at the temperature difference of 2.5 K

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Summary

Introduction

In 1823, Seebeck discovered that two different metal junctions produced a potential as the junctions had a temperature difference. Various thermoelectric generators were designed and developed according to this principle.[1,2] The thermoelectric generator is a type of renewable energy conversion device that can convert waste and natural heat sources into electrical power. Several studies have applied thermoelectric generators in various instruments to supply electrical power. Knight and Collinsa[3] proposed a device to capture thermoelectric energy where one side of the device was immersed in water and the other side was exposed to solar radiation, so that the device had a high-temperature source and a lowtemperature sink. The thermoelectric generator was used for wireless computing and mobile devices

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