Investigation of the Microstructural and Thermoelectric Properties of the (GeTe)0.95(Bi2Te3)0.05 Composition for Thermoelectric Power Generation Applications

Lior Weintraub; Joseph Davidow; Jonathan Tunbridge; Richard Dixon; Michael John Reece; Huanpo Ning; Iñigo Agote; Yaniv Gelbstein

doi:10.1155/2014/284634

Investigation of the Microstructural and Thermoelectric Properties of the (GeTe)0.95(Bi2Te3)0.05 Composition for Thermoelectric Power Generation Applications

Lior Weintraub
, Joseph Davidow
, Jonathan Tunbridge
, Richard Dixon
, Michael John Reece
, Huanpo Ning
, Iñigo Agote
, Yaniv Gelbstein

Extremat

Ben-Gurion University of the Negev
Intrinsiq Materials Ltd
Queen Mary University of London

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

10 Citas (Scopus)

9 Descargas (Pure)

Resumen

In the frame of the current research, the p-type Bi2Te3 doped (GeTe)(0.95)(Bi2Te3)(0.05) alloy composed of hot pressed consolidated submicron structured powder was investigated. The influence of the process parameters (i.e., powder particles size and hot pressing conditions) on both reduction of the lattice thermal conductivity and electronic optimization is described in detail. Very high maximal ZT values of up to similar to 1.6 were obtained and correlated to the microstructural characteristics. Based on the various involved mechanisms, a potential route for further enhancement of the ZT values of the investigated composition is proposed.

Idioma original	Inglés
Número de artículo	284634
Publicación	unknown
Volumen	unknown
DOI	https://doi.org/10.1155/2014/284634
Estado	Publicada - 2014

Palabras clave

(PB,SN,GE)TE-BASED ALLOYS
SPINODAL DECOMPOSITION
PERFORMANCE

Project and Funding Information

Project ID
info:eu-repo/grantAgreement/EC/FP7/286503/EU/ An innovative environmentally friendly thermo-electric power generation system for automotive and marine applications that is powered by exhaust waste thermal energy to reduce fuel consumption /POWER DRIVER
Funding Info
EC, FP7 PowerDriver Project

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abstract = "In the frame of the current research, the p-type Bi2Te3 doped (GeTe)(0.95)(Bi2Te3)(0.05) alloy composed of hot pressed consolidated submicron structured powder was investigated. The influence of the process parameters (i.e., powder particles size and hot pressing conditions) on both reduction of the lattice thermal conductivity and electronic optimization is described in detail. Very high maximal ZT values of up to similar to 1.6 were obtained and correlated to the microstructural characteristics. Based on the various involved mechanisms, a potential route for further enhancement of the ZT values of the investigated composition is proposed.",

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T1 - Investigation of the Microstructural and Thermoelectric Properties of the (GeTe)0.95(Bi2Te3)0.05 Composition for Thermoelectric Power Generation Applications

AU - Weintraub, Lior

AU - Davidow, Joseph

AU - Tunbridge, Jonathan

AU - Dixon, Richard

AU - Reece, Michael John

AU - Ning, Huanpo

AU - Agote, Iñigo

AU - Gelbstein, Yaniv

PY - 2014

Y1 - 2014

N2 - In the frame of the current research, the p-type Bi2Te3 doped (GeTe)(0.95)(Bi2Te3)(0.05) alloy composed of hot pressed consolidated submicron structured powder was investigated. The influence of the process parameters (i.e., powder particles size and hot pressing conditions) on both reduction of the lattice thermal conductivity and electronic optimization is described in detail. Very high maximal ZT values of up to similar to 1.6 were obtained and correlated to the microstructural characteristics. Based on the various involved mechanisms, a potential route for further enhancement of the ZT values of the investigated composition is proposed.

AB - In the frame of the current research, the p-type Bi2Te3 doped (GeTe)(0.95)(Bi2Te3)(0.05) alloy composed of hot pressed consolidated submicron structured powder was investigated. The influence of the process parameters (i.e., powder particles size and hot pressing conditions) on both reduction of the lattice thermal conductivity and electronic optimization is described in detail. Very high maximal ZT values of up to similar to 1.6 were obtained and correlated to the microstructural characteristics. Based on the various involved mechanisms, a potential route for further enhancement of the ZT values of the investigated composition is proposed.

KW - (PB,SN,GE)TE-BASED ALLOYS

KW - SPINODAL DECOMPOSITION

KW - PERFORMANCE

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KW - SPINODAL DECOMPOSITION

KW - PERFORMANCE

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M3 - Article

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Investigation of the Microstructural and Thermoelectric Properties of the (GeTe)0.95(Bi2Te3)0.05 Composition for Thermoelectric Power Generation Applications

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Palabras clave

Project and Funding Information

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