Journal
ADVANCED SCIENCE
Volume 6, Issue 24, Pages -Publisher
WILEY
DOI: 10.1002/advs.201901437
Keywords
healthcare; nanoenergy nano-system (NENS); self-sustainable; textiles; triboelectric
Categories
Funding
- HiFES Seed Funding-2017-01 Grant Hybrid Integration of Flexible Power Source and Pressure Sensors at the National University of Singapore [R-263-501-012-133]
- Agency for Science, Technology and Research (A*STAR), Singapore [R-263-000-C91-305]
- Narodowe Centrum Badan i Rozwoju (NCBR), Poland [R-263-000-C91-305]
- NRF-ISF Joint Research Grant (NRF-ISF) [NRF2015-NRF-ISF001-2620]
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Wearable electronics presage a future in which healthcare monitoring and rehabilitation are enabled beyond the limitation of hospitals, and self-powered sensors and energy generators are key prerequisites for a self-sustainable wearable system. A triboelectric nanogenerator (TENG) based on textiles can be an optimal option for scavenging low-frequency and irregular waste energy from body motions as a power source for self-sustainable systems. However, the low output of most textile-based TENGs (T-TENGs) has hindered its way toward practical applications. In this work, a facile and universal strategy to enhance the triboelectric output is proposed by integration of a narrow-gap TENG textile with a high-voltage diode and a textile-based switch. The closed-loop current of the diode-enhanced textile-based TENG (D-T-TENG) can be increased by 25 times. The soft, flexible, and thin characteristics of the D-T-TENG enable a moderate output even as it is randomly scrunched. Furthermore, the enhanced current can directly stimulate rat muscle and nerve. In addition, the capability of the D-T-TENG as a practical power source for wearable sensors is demonstrated by powering Bluetooth sensors embedded to clothes for humidity and temperature sensing. Looking forward, the D-T-TENG renders an effective approach toward a self-sustainable wearable textile nano-energy nano-system for next-generation healthcare applications.
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