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Issue 6, 2014
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A wearable thermoelectric generator fabricated on a glass fabric

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Abstract

The conversion of body heat into electrical energy using a thermoelectric (TE) power generator is useful for wearable self-powered mobile electronic systems such as medical sensors or smart watches. We herein demonstrate a glass fabric-based flexible TE generator using a screen printing technique and the self-sustaining structure of a TE device without top and bottom substrates. With this technique it is possible to make the device thin (∼500 μm), lightweight (∼0.13 g cm−2), and flexible. In addition, the developed TE generator achieved an unprecedentedly large output power density which is several tens of times higher than that of flexible TE generators reported to date. The developed TE generator shows an allowable bending radius of as low as 20 mm and no change in performance by repeated bending for 120 cycles. This work can expedite the development of wearable self-powered mobile devices.

Graphical abstract: A wearable thermoelectric generator fabricated on a glass fabric

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Publication details

The article was received on 21 Jan 2014, accepted on 14 Mar 2014 and first published on 14 Mar 2014


Article type: Paper
DOI: 10.1039/C4EE00242C
Citation: Energy Environ. Sci., 2014,7, 1959-1965
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    A wearable thermoelectric generator fabricated on a glass fabric

    S. J. Kim, J. H. We and B. J. Cho, Energy Environ. Sci., 2014, 7, 1959
    DOI: 10.1039/C4EE00242C

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