Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25

For the past decades, renewable energy sources have piqued huge attention from all around the world. One of the alternatives to renewable energy which has shown great potential in its application is thermoelectric energy conversion, in which residual heat is converted into electricity through thermo...

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Main Author: Ng, Guan Yi
Other Authors: Yan Qing Yu, Alex
Format: Final Year Project
Language:English
Published: 2016
Subjects:
Online Access:http://hdl.handle.net/10356/66811
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-668112023-03-04T15:35:25Z Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25 Ng, Guan Yi Yan Qing Yu, Alex School of Materials Science and Engineering DRNTU::Engineering For the past decades, renewable energy sources have piqued huge attention from all around the world. One of the alternatives to renewable energy which has shown great potential in its application is thermoelectric energy conversion, in which residual heat is converted into electricity through thermoelectric materials. This project is focused on bringing in n-type Germanium doped Magnesium Stannide as an environmental friendly and cost effective alternative to the state-of-the-art Lead (Pb) and Tellurium (Te) based thermoelectric materials for marine engine application. In this study, different composite ratios of Mg2(1+x)Sn0.75Ge0.25 were fabricated and analysed to achieve the best thermoelectric performance sample. 99+%purity Magnesium (Mg), Germanium (Ge) and Tin (Sn) powder were first ball milled and the resulting powders were then spark plasma sintering into pellet for characterizations with the ZEM instrument. This research has laid a foundation for further optimization of ball milling parameters and also the optimization of the Mg content used for ball milling to obtain a pure Mg2Sn0.75Ge0.25 phase. In addition, this report also has shown that the doping of Silver (Ag) has great potential in further improving the thermoelectric properties of Mg2Sn0.75Ge0.25 Bachelor of Engineering (Materials Engineering) 2016-04-27T01:57:28Z 2016-04-27T01:57:28Z 2016 Final Year Project (FYP) http://hdl.handle.net/10356/66811 en Nanyang Technological University 41 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Ng, Guan Yi
Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
description For the past decades, renewable energy sources have piqued huge attention from all around the world. One of the alternatives to renewable energy which has shown great potential in its application is thermoelectric energy conversion, in which residual heat is converted into electricity through thermoelectric materials. This project is focused on bringing in n-type Germanium doped Magnesium Stannide as an environmental friendly and cost effective alternative to the state-of-the-art Lead (Pb) and Tellurium (Te) based thermoelectric materials for marine engine application. In this study, different composite ratios of Mg2(1+x)Sn0.75Ge0.25 were fabricated and analysed to achieve the best thermoelectric performance sample. 99+%purity Magnesium (Mg), Germanium (Ge) and Tin (Sn) powder were first ball milled and the resulting powders were then spark plasma sintering into pellet for characterizations with the ZEM instrument. This research has laid a foundation for further optimization of ball milling parameters and also the optimization of the Mg content used for ball milling to obtain a pure Mg2Sn0.75Ge0.25 phase. In addition, this report also has shown that the doping of Silver (Ag) has great potential in further improving the thermoelectric properties of Mg2Sn0.75Ge0.25
author2 Yan Qing Yu, Alex
author_facet Yan Qing Yu, Alex
Ng, Guan Yi
format Final Year Project
author Ng, Guan Yi
author_sort Ng, Guan Yi
title Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
title_short Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
title_full Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
title_fullStr Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
title_full_unstemmed Waste heat recovery of germanium doped magnesium stannide Mg2Sn0.75Ge0.25
title_sort waste heat recovery of germanium doped magnesium stannide mg2sn0.75ge0.25
publishDate 2016
url http://hdl.handle.net/10356/66811
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