Hybrid Nanogenerator for Concurrently Harvesting Biomechanical and Biochemical Energy

Benjamin J. Hansen, Ying Liu, Rusen Yang, Zhong Lin Wang

Research output: Contribution to journalArticlepeer-review

364 Scopus citations


Harvesting 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.
Original languageEnglish (US)
Pages (from-to)3647-3652
Number of pages6
JournalACS Nano
Issue number7
StatePublished - May 27 2010
Externally publishedYes


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