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Screen printable flexible BiTe-SbTe based composite thermoelectric materials on textiles for wearable applications

Screen printable flexible BiTe-SbTe based composite thermoelectric materials on textiles for wearable applications
Screen printable flexible BiTe-SbTe based composite thermoelectric materials on textiles for wearable applications
This paper presents the optimization of a bismuth tellurium (Bi1.8Te3.2)-antimony tellurium (Sb2Te3)-based thermoelectric generator (TEG) fabricated by screen-printing technology on flexible polyimide (Kapton) and textile substrates. New formulations of screen printable thermoelectric pastes are presented with optimized composition, curing conditions, and printing parameters. The modifications of the thermoelectric materials enable them to be successfully deposited on flexible textile substrates. The optimized values of resistivity of the BiTe and SbTe thick films on Kapton were 9.97 × 10-3 and 3.57 × 10-3 ? · cm, respectively. The measured figure of merit at room temperature was 0.135 and 0.095 for BiTe and SbTe thick films on Kapton, respectively. The dimension of each printed thermoleg was 20 mm×2 mm×70.5 ?m. For the TEG on Kapton, the printed assembly comprising eight thermocouples was coiled up and generated a voltage of 26.6 mV and a maximum power output of 455.4 nW at a temperature difference of 20 °C. For a printed TEG on textile, the maximum power output reached 2 ?W from the same temperature difference.
4024-4030
Cao, Zhuo
8ddade8e-c5d5-46e5-a69a-9d70693814ca
Tudor, Michael
46eea408-2246-4aa0-8b44-86169ed601ff
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d
Cao, Zhuo
8ddade8e-c5d5-46e5-a69a-9d70693814ca
Tudor, Michael
46eea408-2246-4aa0-8b44-86169ed601ff
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d

Cao, Zhuo, Tudor, Michael, Torah, Russel and Beeby, Stephen (2016) Screen printable flexible BiTe-SbTe based composite thermoelectric materials on textiles for wearable applications IEEE Transactions on Electron Devices, 63, (10), pp. 4024-4030. (doi:10.1109/TED.2016.2603071).

Record type: Article

Abstract

This paper presents the optimization of a bismuth tellurium (Bi1.8Te3.2)-antimony tellurium (Sb2Te3)-based thermoelectric generator (TEG) fabricated by screen-printing technology on flexible polyimide (Kapton) and textile substrates. New formulations of screen printable thermoelectric pastes are presented with optimized composition, curing conditions, and printing parameters. The modifications of the thermoelectric materials enable them to be successfully deposited on flexible textile substrates. The optimized values of resistivity of the BiTe and SbTe thick films on Kapton were 9.97 × 10-3 and 3.57 × 10-3 ? · cm, respectively. The measured figure of merit at room temperature was 0.135 and 0.095 for BiTe and SbTe thick films on Kapton, respectively. The dimension of each printed thermoleg was 20 mm×2 mm×70.5 ?m. For the TEG on Kapton, the printed assembly comprising eight thermocouples was coiled up and generated a voltage of 26.6 mV and a maximum power output of 455.4 nW at a temperature difference of 20 °C. For a printed TEG on textile, the maximum power output reached 2 ?W from the same temperature difference.

Text Screen printable flexible BiTe-SbTe based composite thermoelectric materials on textiles for wearable applications - Post-print version.pdf - Accepted Manuscript
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More information

Accepted/In Press date: 16 August 2016
e-pub ahead of print date: 7 September 2016
Published date: October 2016
Organisations: EEE

Identifiers

Local EPrints ID: 401818
URI: http://eprints.soton.ac.uk/id/eprint/401818
PURE UUID: b3afba1e-46a4-4f9c-bc4b-769649084d07
ORCID for Stephen Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 21 Oct 2016 13:17
Last modified: 24 Oct 2017 16:30

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Contributors

Author: Zhuo Cao
Author: Michael Tudor
Author: Russel Torah
Author: Stephen Beeby ORCID iD

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