期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 13, 期 9, 页码 2915-2923出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ee03861b
关键词
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资金
- National Research Foundation (NRF) - Korean Government (MSIP) [2016R1A5A1012966, 2019R1A2C-2087218]
- Ulsan National Institute of Science & Technology (UNIST) [1.190119.01]
- National Research Foundation of Korea [2016R1A5A1012966] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
While the thermoelectric (TE) generator has attracted tremendous attention, the development of wearable TE generators with stretchability and self-healability has been a significant challenge. Herein, we report intrinsically self-healable and stretchable ternary ionic TE hybrid materials, composed of a conjugated polymer (polyaniline), a non-conjugated anionic polyelectrolyte (poly(2-acrylamido-2-methyl-1-propanesulfonic acid)), and phytic acid. The proposed materials exhibit an excellent ionic figure-of-merit (ZT(i)) as well as remarkable stretchability (up to similar to 750%) and autonomous self-healability without any external stimuli. The ionic TE performance was sustainable under severe deformation (50% strain) and multiple self-healing processes (30 cycles), which is the first demonstration of such performance. The ZT(i) of the stretchable and self-healable ternary TE hybrids is 1.04. Moreover, a self-healable and stretchable ionic thermoelectric capacitor device is also demonstrated using the ternary TE hybrid.
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