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. 2020 Nov 23;11:5948. doi: 10.1038/s41467-020-19756-z

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — a, b Photographs of bent TEGs comprising Bi₂Te₃ legs and Cu electrodes (a) and AgNW-based soft electrodes (b). The each inset shows schematic illustration of side view of each TEG, respectively. Scale bars, 5 mm. c Photographs of the compliant TEGs showing excellent conformability under various deformations. Scale bars, 1 cm. d, e FEA results showing different deformation and heat transfer behaviors corresponding to TE performance for the TEG with Cu electrodes (d) and AgNW-based soft electrodes (e). f Photographs of a TEG attached to different positions (top, middle, and bottom side) of a bell-shaped aluminum cup. The TEG established conformal contact with the three-dimensional (3D) surface of the aluminum cup. The middle schematic image shows the anisotropic bending curvatures of each position at which the TEG was attached. The right graph shows the time-resolved V_OC of the TEG attached to the three positions when hot water is poured into the aluminum cup. Scale bar, 2 cm.