期刊
ADVANCED ENERGY MATERIALS
卷 8, 期 23, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201801114
关键词
core-sheath structures; human-interactive sensors; mechanical energy harvesting; triboelectric nanogenerator
类别
资金
- Thousands Talents program
- Presidential Funding of the Chinese Academy of Science
- National Natural Science Foundation of China [51432005, 5151101243, 51561145021]
- Beijing Municipal Science & Technology Commission [Z171100000317001]
- China Scholarship Council at the Georgia Institute of Technology, USA
- fundamental Research Funds for the Central Universities, China [2232018G-02]
The emergence of stretchable textile-based mechanical energy harvester and self-powered active sensor brings a new life for wearable functional electronics. However, single energy conversion mode and weak sensing capabilities have largely hindered their development. Here, in virtue of silver-coated nylon yarn and silicone rubber elastomer, a highly stretchable yarn-based triboelectric nanogenerator (TENG) with coaxial core-sheath and built-in spring-like spiral winding structures is designed for biomechanical energy harvesting and real-time human-interactive sensing. Based on the two advanced structural designs, the yarn-based TENG can effectively harvest or respond rapidly to omnifarious external mechanical stimuli, such as compressing, stretching, bending, and twisting. With these excellent performances, the yarn-based TENG can be used in a self-counting skipping rope, a self-powered gesture-recognizing glove, and a real-time golf scoring system. Furthermore, the yarn-based TENG can also be woven into a large-area energy-harvesting fabric, which is capable of lighting up light emitting diodes (LEDs), charging a commercial capacitor, powering a smart watch, and integrating the four operational modes of TENGs together. This work provides a new direction for textile-based multimode mechanical energy harvesters and highly sensitive self-powered motion sensors with potential applications in sustainable power supplies, self-powered wearable electronics, personalized motion/health monitoring, and real-time human-machine interactions.
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