Hybrid Nanogenerator for Concurrently Harvesting Biomechanical and Biochemical Energy
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AbstractHarvesting energy from multiple sources available in our personal and daily environments is highly desirable, not only for powering personal electronics, but also for future implantable sensor-transmitter devices for biomedical and healthcare applications. Here we present a hybrid energy scavenging device for potential in vivo applications. The hybrid device consists of a piezoelectric poly(vinylidene fluoride) nanofiber nanogenerator for harvesting mechanical energy, such as from breathing or from the beat of a heart, and a flexible enzymatic biofuel cell for harvesting the biochemical (glucose/O2) energy in biofluid, which are two types of energy available in vivo. The two energy harvesting approaches can work simultaneously or individually, thereby boosting output and lifetime. Using the hybrid device, we demonstrate a "self-powered" nanosystem by powering a ZnO nanowire UV light sensor. © 2010 American Chemical Society.
CitationHansen BJ, Liu Y, Yang R, Wang ZL (2010) Hybrid Nanogenerator for Concurrently Harvesting Biomechanical and Biochemical Energy. ACS Nano 4: 3647–3652. Available: http://dx.doi.org/10.1021/nn100845b.
SponsorsResearch was supported by DARPA (Army/AMCOM/REDSTONE AR, W31P4Q-08-1-0009), BES DOE (DE-FG02-07ER46394), KAUST Global Research Partnership, NSF (DMS0706436, CMMI 0403671), MANA WPI program from NIMS, Japan, and the Georgia Institute of Technology. B.J.H. was supported by a National Science Foundation Graduate Research Fellowship. We thank Prof. Jing Zhu and Dr. Caofeng Pan for technical discussions. Thanks to Yagang Yao and Ziyin Lin for FTIR work and Hao Fang for Au deposition.
PublisherAmerican Chemical Society (ACS)
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