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Energy & environmental science, 2021-04, Vol.14 (4), p.2114-2157
Ort / Verlag
Cambridge: Royal Society of Chemistry
Erscheinungsjahr
2021
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Wearable devices are drawing increasing attention in both academia and industry in that they can offer unprecedented information related to human health in real-time and human-machine interactions, which is expected to enable a paradigm shift in the digital world. For this shift to occur, green and sustainable energy technology for powering flexible wearable devices is a roadblock. This paper is dedicated to reviewing cutting-edge wearable power generation methodologies, for which we discuss their pros and cons, underlying physics, and general design/evaluation criteria. Sensor types, materials, processing technology, power consumption, and methods of testing the stretchability and flexibility of wearable devices are also summarized. Based on application scenarios in healthcare, industrial inspection, structural monitoring, armed forces and consumer electronics, an integrated system architecture of wearable, flexible systems is presented. Finally, future perspectives of wearable technologies are outlined by covering the aspects of all-in-one printable wearable electronics, fiber and textile electronics, self-powered self-awareness wearable systems, hybrid-integrated Systems on a Chip (SoC) for flexible electronics, and Internet of Things (IoT)-enabled self-contained systems towards full life cycle monitoring.
The mechanisms, figures of merit, and systems for wearable power generation are reviewed in this article. Future perspectives lie in breakthrough technologies of fiber electronics, fully printable, flexible SoC, and IoT-enabled self-awareness systems.