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July 15, 2026ACS Applied Materials & Interfaces

Flexible Thermoelectric Belt: Enabling Recyclable Wearables for Self-Powered Gesture Recognition

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Authors

WGWeijie GouBeijing University of TechnologyFYFeng YuWuhan Textile UniversityXLXudong LinWuhan Textile University

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Overview

Randomized trial explores a thermoelectric belt's efficiency in posture recognition, suggesting sustainable wearable tech development.

Key Points

  • This study aims to demonstrate the feasibility of using flexible thermoelectric generators for powering wearables using body heat.
  • Developed a flexible thermoelectric generator using n-type Bi2Te2.7Se0.3 and p-type Bi0.5Sb1.5Te3 materials.
  • Implemented a PDMS composite with aluminum nitride to enhance thermal conductivity.
  • Integrated a depthwise separable GRU network for gesture recognition in a wearable belt.
  • The f-TEG produced a stable output voltage of 180.6 mV powered by body heat at 25°C.
  • Achieved a posture recognition accuracy of 98.96% using the integrated network.
  • Maintained performance after 10,000 hours of cyclic reorientation and 100,000 twisting cycles.

Cite This Study

Gou et al. (2026) studied this question.

synapsesocial.com/papers/6a5723fd88b21df875480746https://doi.org/10.1021/acsami.6c08573
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