Garment embedded sweat-activated batteries in wearable electronics for continuous sweat monitoring

Thin, soft, and skin-integrated electronic system has great advantages for realizing continuous human healthcare monitoring. Here, we report an ultra-thin, flexible, and garment-based microelectronics powered by sweat-activated batteries (SABs) and applications of powering biosensors and microelectr...

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Published in:Npj flexible electronics Vol. 6; no. 1; pp. 1 - 8
Main Authors: Huang, Xingcan, Liu, Yiming, Zhou, Jingkun, Nejad, Sina Khazaee, Wong, Tsz Hung, Huang, Ya, Li, Hu, Yiu, Chun Ki, Park, Wooyoung, Li, Jian, Su, Jingyou, Zhao, Ling, Yao, Kuanming, Wu, Mengge, Gao, Zhan, Li, Dengfeng, Li, Jiyu, Shi, Rui, Yu, Xinge
Format: Journal Article
Language:English
Published: London Nature Publishing Group UK 08.02.2022
Nature Publishing Group
Nature Portfolio
Subjects:
639/166/987
639/4077/4072
639/766/1130
Batteries
Biocompatibility
Biomarkers
Biosensors
Chemistry and Materials Science
Data collection
Data transmission
Electronic systems
Electronics
Electronics and Microelectronics
Energy storage
Flexibility
Graphene
Instrumentation
Light emitting diodes
Materials Science
Maximum power density
Microelectronics
Monitoring
Optical and Electronic Materials
Physiology
Polymer Sciences
Scanning electron microscopy
Sensors
Skin
Sweat
Wearable computers
Wearable technology
ISSN:2397-4621, 2397-4621
Online Access:Get full text
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Summary:Thin, soft, and skin-integrated electronic system has great advantages for realizing continuous human healthcare monitoring. Here, we report an ultra-thin, flexible, and garment-based microelectronics powered by sweat-activated batteries (SABs) and applications of powering biosensors and microelectronic systems for real time sweat monitoring. The SAB cell is ultra-thin (1.25 mm) with excellent biocompatibility. The SAB has good electricity output with high capacity (14.33 mAh) and maximum power density (3.17 mW cm −2 ) after being activated by the sweat volume of 0.045 mL cm −2 , which could continuously power 120 light emitting diodes over 3 h. The outputs could maintain stable after repeatable bending. Wireless microelectronics system could be continuously powered by the SABs for 3 h to monitor sweat and physiological information, including sweat Na + concentration, pH, and skin impedance. The reported integrated system provides a potential for solving the power issues of flexible wearable electronics and realizing personalized medicine.
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ISSN:2397-4621
2397-4621
DOI:10.1038/s41528-022-00144-0