What is it about?

Ionic thermoelectric (TE) materials can convert heat to useable electrical energy in energy storage devices. We have developed self-healable and stretchable ionic TE materials with excellent thermopower and ionic TE properties. This paper examines the relationship between ionic charge carrier concentration and ionic TE properties.

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Why is it important?

For the first time, we demonstrated self-healable organic-inorganic ionic TE material, delivering a thermopower of 17 mV/K, which can maintain ionic TE properties under repeated cutting-healing and stretching conditions. The incorporation of silicon dioxide nanoparticles increases charge carrier concentration by facilitating ion dissociation.


Our study provides insights into how to improve ionic TE performance, and opens up the possibility to develop high-performance energy harvesters for various wearable devices.

Ju-Won Jeon
Kookmin University

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This page is a summary of: Self‐Healable Organic–Inorganic Hybrid Thermoelectric Materials with Excellent Ionic Thermoelectric Properties, Advanced Energy Materials, December 2021, Wiley, DOI: 10.1002/aenm.202103070.
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