Elastic conducting polymer composites in thermoelectric modules

Nara Kim, Samuel Lienemann, Ioannis Petsagkourakis, Desalegn Alemu Mengistie, Seyoung Kee, Thomas Ederth, Viktor Gueskine, Philippe Leclère, Roberto Lazzaroni, Xavier Crispin () and Klas Tybrandt ()
Additional contact information
Nara Kim: Linköping University
Samuel Lienemann: Linköping University
Ioannis Petsagkourakis: Linköping University
Desalegn Alemu Mengistie: Linköping University
Seyoung Kee: The University of Auckland
Thomas Ederth: Linköping University
Viktor Gueskine: Linköping University
Philippe Leclère: University of Mons
Roberto Lazzaroni: University of Mons
Xavier Crispin: Linköping University
Klas Tybrandt: Linköping University

Nature Communications, 2020, vol. 11, issue 1, 1-10

Abstract: Abstract The rapid growth of wearables has created a demand for lightweight, elastic and conformal energy harvesting and storage devices. The conducting polymer poly(3,4-ethylenedioxythiophene) has shown great promise for thermoelectric generators, however, the thick layers of pristine poly(3,4-ethylenedioxythiophene) required for effective energy harvesting are too hard and brittle for seamless integration into wearables. Poly(3,4-ethylenedioxythiophene)-elastomer composites have been developed to improve its mechanical properties, although so far without simultaneously achieving softness, high electrical conductivity, and stretchability. Here we report an aqueously processed poly(3,4-ethylenedioxythiophene)-polyurethane-ionic liquid composite, which combines high conductivity (>140 S cm−1) with superior stretchability (>600%), elasticity, and low Young’s modulus (

Date: 2020
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DOI: 10.1038/s41467-020-15135-w

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