Processing of advanced thermoelectric materials

Last two decades have witnessed significant progress in thermoelectric research, to which materials processing has crucial contributions. Compared with traditional zone-melting method used for fabricating bismuth telluride alloys, new powder-based processes have more freedom for manipulating nanostr...

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Bibliographic Details
Published in:Science China. Technological sciences 2017-09, Vol.60 (9), p.1347-1364
Main Authors: Li, JingFeng, Pan, Yu, Wu, ChaoFeng, Sun, FuHua, Wei, TianRan
Format: Article
Language:English
Subjects:
Alloy powders
Bismuth base alloys
Composite structures
Electricity
Engineering
Heat conductivity
Intermetallic compounds
Materials processing
Nanocomposites
Performance enhancement
Review
Sintering (powder metallurgy)
Tellurides
Thermoelectric materials
性能增强
材料处理
热电材料
粉末合成
精确控制
纳米复合材料
纳米复合结构
纳米结构
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Summary:Last two decades have witnessed significant progress in thermoelectric research, to which materials processing has crucial contributions. Compared with traditional zone-melting method used for fabricating bismuth telluride alloys, new powder-based processes have more freedom for manipulating nanostructnres and nanocomposites. Thermoelectric performance enhancement is realized in most thermoelectric materials by introducing fine-grained and nano-composite structures with accurately controlled compositions. This review gives a comprehensive summary on the processing aspects of thermoelectric materials with three focuses on the powder synthesis, advanced sintering process and the formation of nanostructures in bulk materials.
ISSN:1674-7321
1869-1900
DOI:10.1007/s11431-017-9058-8