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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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Programmable and Surface-Conformable Origami Design for Thermoelectric Devices.

Yue Hou1,2, Zhaoyu Li1,2, Ziyu Wang3

  • 1Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong SAR, 999077, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|January 3, 2024
PubMed
Summary

Surface-conformable origami thermoelectric devices (o-TEDs) overcome limitations of traditional designs for waste heat recycling on complex surfaces. These adaptable o-TEDs significantly enhance energy conversion efficiency and enable novel thermal touch panel applications.

Keywords:
origami designsurface conformablethermoelectric device

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Area of Science:

  • Materials Science
  • Energy Harvesting
  • Nanotechnology

Background:

  • Thermoelectric devices (TEDs) are crucial for waste heat recycling and sensing.
  • Current TEDs struggle with adaptability to complex surfaces, causing heat loss and limiting applications.

Purpose of the Study:

  • To develop surface-conformable origami-thermoelectric generators (o-TEGs) for efficient waste heat recovery.
  • To enhance thermoelectric performance on complex and quadratic surfaces.

Main Methods:

  • Programmable crease-designed origami substrates were used to create adaptable structures.
  • Thermoelectric (TE) legs were fabricated using screen-printing techniques.
  • Comparison of o-TEGs with traditional "π" structured TEDs.

Main Results:

  • Origami design altered heat transfer, significantly enhancing ΔT/THot and Vout (5.02 and 3.51 times increases).
  • Fabricated o-TEGs demonstrated high Vout density (0.98 V/cm2 at 50 K ΔT) and excellent surface conformability.
  • Successful application in thermal touch panels for wireless information transfer via finger-writing.

Conclusions:

  • Origami-based thermoelectric devices offer superior performance and adaptability for waste heat recycling.
  • o-TEGs enable new applications like thermal touch panels on diverse surfaces.
  • This technology advances energy harvesting and human-computer interaction interfaces.