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Self-Powered Wearable Electrocardiography Using a Wearable Thermoelectric Power Generator AITranslate

Choong Sun Kim; Hyeong Man Yang; Jinseok Lee; Gyu Soup Lee; Hyeongdo Choi; Yong Jun Kim; Se Hwan Lim; Seong Hwan Cho; Byung Jin Cho;
Korea Advanced Institute of Science and Technology (KAIST);Engineering Research Center (ERC) for Flexible Thermoelectric Device Technology, Daejeon 34141; Korea Advanced Institute of Science and Technology (KAIST); Korea Advanced Institute of Science and Technology (KAIST); Korea Advanced Institute of Science and Technology (KAIST); Korea Advanced Institute of Science and Technology (KAIST);Tegway Co. Ltd.; Korea Advanced Institute of Science and Technology (KAIST); Korea Advanced Institute of Science and Technology (KAIST)
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Publisher: ACS
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Abstract AITranslate

A self-powered wearable electrocardiography (ECG) system is demonstrated. The ECG sensing circuit was fabricated on a flexible PCB and powered by a wearable thermoelectric generator (w-TEG) using body heat as the energy source. To allow the TEG to obtain a large temperature difference for high power generation and also be wearable, a polymer-based flexible heat sink (PHS) comprised of a superabsorbent polymer (SAP) and a fiber that promotes liquid evaporation was devised. Parametric studies on the PHS were conducted, and the structure of the w-TEG was also optimized for the PHS. The output power density from the w-TEG with the PHS was over 38 μW/cm2 for the first 10 min and over 13 μW/cm2 even after 22 consecutive hours of driving the circuits. This power level is high enough to continuously drive the wearable ECG system, including the sensors and the power management circuits.

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DOI：https://doi.org/10.1021/acsenergylett.7b01237

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Citation Information:

A self-powered wearable electrocardiography (ECG) system is demonstrated. The ECG sensing circuit was fabricated on a flexible PCB and powered by a wearable thermoelectric generator (w-TEG) using body heat as the energy source. To allow the TEG to obtain a large temperature difference for high power generation and also be wearable, a polymer-based flexible heat sink (PHS) comprised of a superabsorbent polymer (SAP) and a fiber that promotes liquid evaporation was devised. Parametric studies on the PHS were conducted, and the structure of the w-TEG was also optimized for the PHS. The output power density from the w-TEG with the PHS was over 38 μW/cm2 for the first 10 min and over 13 μW/cm2 even after 22 consecutive hours of driving the circuits. This power level is high enough to continuously drive the wearable ECG system, including the sensors and the power management circuits.

quote

GB/T 7714-2015 [1] Choong Sun Kim, Hyeong Man Yang, Jinseok Lee, et al. ACS Energy Letters, 2018(3). DOI:10.1021/acsenergylett.7b01237.
MLA [1] Choong Sun Kim, et al., ACS Energy Letters, no. 3, 2018, https://doi.org/10.1021/acsenergylett.7b01237.
APA [1] Choong Sun Kim, Hyeong Man Yang, Jinseok Lee, Gyu Soup Lee, Hyeongdo Choi, Yong Jun Kim, Se Hwan Lim, Seong Hwan Cho, & Byung Jin Cho. (2018). ACS Energy Letters(3). https://doi.org/10.1021/acsenergylett.7b01237
IEEE [1] Choong Sun Kim, Hyeong Man Yang, Jinseok Lee, Gyu Soup Lee, Hyeongdo Choi, Yong Jun Kim, Se Hwan Lim, Seong Hwan Cho, and Byung Jin Cho, ACS Energy Letters, no. 3, 2018, doi: 10.1021/acsenergylett.7b01237.