Enhanced Power Generation from the Interaction between Sweat and Electrodes for Human Health Monitoring

Heting Wu; Lin Xu; Yang Wang; Tongtong Zhang; Hainan Zhang; Chris R. Bowen; Zhong Lin Wang; Ya Yang

doi:10.1021/acsenergylett.0c01992

Enhanced Power Generation from the Interaction between Sweat and Electrodes for Human Health Monitoring

Heting Wu, Lin Xu, Yang Wang, Tongtong Zhang, Hainan Zhang, Chris R. Bowen, Zhong Lin Wang, Ya Yang

Research output: Contribution to journal › Article › peer-review

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Abstract

Power generation from human sweat has attracted great attention due to its potential application in waste energy scavenging. However, the development of methods to generate sufficient electricity from sweat to power electronic devices for health monitoring remains a major challenge. Here, we report a wearable sweat-based electricity generator (SEG), in which the power generation mechanism is based on the redox reaction between sweat and electrodes. Due to the increase in oxygen adsorption, both the output current and power of SEG with single-walled carbon nanotubes modified electrode can be remarkably enhanced by 5.6 and 14.7 times compared to SEG with a nanotube-free electrode, respectively. The SEGs have been first utilized to power a wireless heart-rate sensor for sustainably transmitting heart-rate data to a smart phone. Moreover, self-powered sensing of lactic acid has been achieved by electric signals with the current sensitivity of 11.79 mmol·L-1·mA-1, demonstrating applications in human health care.

Original language	English
Pages (from-to)	3708-3717
Number of pages	10
Journal	ACS Energy Letters
Volume	5
Issue number	12
Early online date	12 Nov 2020
DOIs	https://doi.org/10.1021/acsenergylett.0c01992
Publication status	Published - 11 Dec 2020

Bibliographical note

Funding Information:
This work was supported by the National Key R&D Project from Minister of Science and Technology in China (No. 2016YFA0202701), the University of Chinese Academy of Sciences (Grant No. Y8540XX2D2), the National Natural Science Foundation of China (No. 52072041), External Cooperation Program of BIC, Chinese Academy of Sciences (No. 121411KYS820150028), the 2015 Annual Beijing Talents Fund (No. 2015000021223ZK32), and Qingdao National Laboratory for Marine Science and Technology (No. 2017ASKJ01).

Publisher Copyright:
© 2020 American Chemical Society.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Funding

This work was supported by the National Key R&D Project from Minister of Science and Technology in China (No. 2016YFA0202701), the University of Chinese Academy of Sciences (Grant No. Y8540XX2D2), the National Natural Science Foundation of China (No. 52072041), External Cooperation Program of BIC, Chinese Academy of Sciences (No. 121411KYS820150028), the 2015 Annual Beijing Talents Fund (No. 2015000021223ZK32), and Qingdao National Laboratory for Marine Science and Technology (No. 2017ASKJ01).

ASJC Scopus subject areas

Chemistry (miscellaneous)
Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1021/acsenergylett.0c01992

Manuscript
This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Energy Lett., copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsenergylett.0c01992
Accepted author manuscript, 4.65 MBLicence: Unspecified

Cite this

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title = "Enhanced Power Generation from the Interaction between Sweat and Electrodes for Human Health Monitoring",

abstract = "Power generation from human sweat has attracted great attention due to its potential application in waste energy scavenging. However, the development of methods to generate sufficient electricity from sweat to power electronic devices for health monitoring remains a major challenge. Here, we report a wearable sweat-based electricity generator (SEG), in which the power generation mechanism is based on the redox reaction between sweat and electrodes. Due to the increase in oxygen adsorption, both the output current and power of SEG with single-walled carbon nanotubes modified electrode can be remarkably enhanced by 5.6 and 14.7 times compared to SEG with a nanotube-free electrode, respectively. The SEGs have been first utilized to power a wireless heart-rate sensor for sustainably transmitting heart-rate data to a smart phone. Moreover, self-powered sensing of lactic acid has been achieved by electric signals with the current sensitivity of 11.79 mmol·L-1·mA-1, demonstrating applications in human health care. ",

author = "Heting Wu and Lin Xu and Yang Wang and Tongtong Zhang and Hainan Zhang and Bowen, {Chris R.} and Wang, {Zhong Lin} and Ya Yang",

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N2 - Power generation from human sweat has attracted great attention due to its potential application in waste energy scavenging. However, the development of methods to generate sufficient electricity from sweat to power electronic devices for health monitoring remains a major challenge. Here, we report a wearable sweat-based electricity generator (SEG), in which the power generation mechanism is based on the redox reaction between sweat and electrodes. Due to the increase in oxygen adsorption, both the output current and power of SEG with single-walled carbon nanotubes modified electrode can be remarkably enhanced by 5.6 and 14.7 times compared to SEG with a nanotube-free electrode, respectively. The SEGs have been first utilized to power a wireless heart-rate sensor for sustainably transmitting heart-rate data to a smart phone. Moreover, self-powered sensing of lactic acid has been achieved by electric signals with the current sensitivity of 11.79 mmol·L-1·mA-1, demonstrating applications in human health care.

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Enhanced Power Generation from the Interaction between Sweat and Electrodes for Human Health Monitoring

Abstract

Bibliographical note

Funding

ASJC Scopus subject areas

UN SDGs

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