期刊
ADVANCED SCIENCE
卷 4, 期 7, 页码 -出版社
WILEY
DOI: 10.1002/advs.201700029
关键词
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资金
- national key R & D project from Minister of Science and Technology, China [2016YFA0202703]
- NSFC [31571006, 81601629]
- Beijing Talents Fund [2015000021223ZK21]
- Thousands Talents program for pioneer researcher and his innovation team
Implantable medical devices (IMDs) have become indispensable medical tools for improving the quality of life and prolonging the patient's lifespan. The minimization and extension of lifetime are main challenges for the development of IMDs. Current innovative research on this topic is focused on internal charging using the energy generated by the physiological environment or natural body activity. To harvest biomechanical energy efficiently, piezoelectric and triboelectric energy harvesters with sophisticated structural and material design have been developed. Energy from body movement, muscle contraction/relaxation, cardiac/lung motions, and blood circulation is captured and used for powering medical devices. Other recent progress in this field includes using PENGs and TENGs for our cognition of the biological processes by biological pressure/strain sensing, or direct intervention of them for some special self-powered treatments. Future opportunities lie in the fabrication of intelligent, flexible, stretchable, and/or fully biodegradable self-powered medical systems for monitoring biological signals and treatment of various diseases in vitro and in vivo.
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