Journal
NANO ENERGY
Volume 89, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2021.106465
Keywords
Self-powered; Triboelectric; Wearable; Wound healing; Hydrogel
Categories
Funding
- Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi (STIP) [201802028]
- Shanxi Scholarship Council of China [HGKY2019022]
- Youth Foundation of Taiyuan University of Technology [2017QN61]
- Youth Top Talent Program of Shanxi Province (2018)
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A flexible and stretchable self-powered wearable patch was developed in this study, utilizing biomechanical motions to promote wound healing, marking a significant step in practical applications of wearable medical electronics.
Wearable medical electronics have played an essential role in remote health monitoring and disease diagnosis. However, a self-powered wearable patch that is capable of accelerating wound healing and suitable for directly affixing to the human body remains a challenge. In this work, we established a flexible stretchable sandwichstructured triboelectric patch, composed of double-layer polydimethylsiloxane (PDMS) membrane with a hydrogel embedded. The bottom layer is compounded with Ag NWs to enhance the electric field between the electronic patch and the body. The hydrogel acts as an ionically conductive and stretchable electrode that can transmit tribo charges to Ag NWs. It has been demonstrated that wound healing was promoted distinctly by the periodic contact and separation between the cloth and PDMS layer induced by biomechanical motions. This study presents a concrete and significant step of wearable medical electronics in practical applications.
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