Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Flexible Thermoelectric Device Using Thick Films for Energy Harvesting from the Human Body

  • Cho, Han Ki (Department of Applied Nanomechatronics, Korea Institute of Machinery and Materials) ;
  • Kim, Da Hye (Department of Applied Nanomechatronics, Korea Institute of Machinery and Materials) ;
  • Sin, Hye Sun (Department of Applied Nanomechatronics, Korea Institute of Machinery and Materials) ;
  • Cho, Churl-Hee (Graduate School of Energy Science and Technology (GEST), Chungnam National University) ;
  • Han, Seungwoo (Department of Applied Nanomechatronics, Korea Institute of Machinery and Materials)
  • Received : 2017.08.11
  • Accepted : 2017.10.18
  • Published : 2017.11.30
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Abstract

A flexible thermoelectric device using body heat has drawn attention as a power source for wearable devices. In this study, thermoelectric thick films were fabricated by cold pressing method using p-type antimony telluride and n-type bismuth telluride powders in accordance with specific loads. Thermoelectric thick films were denser and improved the electrical and thermoelectric properties while increasing the load of the cold pressing. The thickness of the specimen can be controlled by the amount of material; specimens were approximately 700 um in thickness. Flexible thermoelectric devices were manufactured by using the thermoelectric thick films on PI (Polyimide) substrate. The process is cheap, efficient, easy and scalable. Evaluation of power generation performance and flexibility on the fabricated flexible thermoelectric device was carried out. The flexible thermoelectric device has great flexibility and good performance and can be applied to wearable electronics as a power source.

Keywords

References

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