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Comfortable wearable thermoelectric generator with high output power

Engineering and Technology

Comfortable wearable thermoelectric generator with high output power

L. Miao, S. Zhu, et al.

Discover the innovative wearable thermoelectric generator (w-TEG) system designed for comfort and high power output. Developed by Lei Miao, Sijing Zhu, and their team, this system leverages advanced Mg-based thermoelectric materials to provide an impressive power density while ensuring optimal skin temperature and pressure for the wearer.

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Playback language: English
Abstract
This paper proposes a comfortable wearable thermoelectric generator (w-TEG) system with high output power based on a sandwiched thermoelectric model. The model optimizes comfort (skin temperature and pressure) and output power by considering thermal resistive environments, bending states, material properties, and device structure. Mg-based thermoelectric materials, replacing traditional Bi2Te3, enable a power density of 18.4 µWcm² under 0.8 kPa pressure and 33 °C skin temperature, ensuring wearer comfort.
Publisher
Nature Communications
Published On
Oct 02, 2024
Authors
Lei Miao, Sijing Zhu, Chengyan Liu, Jie Gao, Zhongwei Zhang, Ying Peng, Jun-Liang Chen, Yangfan Gao, Jisheng Liang, Takao Mori
Tags
wearable thermoelectric generator
comfort
output power
thermoelectric materials
power density
skin temperature
thermal resistance

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