Bionic energy from ourselves

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Huai-An Chin, Ph.D candidate of Electrical Engineering Department, Princeton University

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Bionic energy from ourselves

  1. 1. Bionic Energy From Ourselves Huai-An Chin McAlpine Research Group Princeton University
  2. 2. • Human-Machine Interfaces • Smart Prosthetics Definition of ‘Bionic’ Courtesy: Ekso Bionics Bionics: Developing mechanical robots that can behave increasingly more human-like
  3. 3. IBM Syst. J. 35, 618 (1996). Bioelectronic Power Courtesy: Lucien Monfils
  4. 4. Bioelectronic Power http://www.the9billion.com/2011/01/16/stockholm-train-station-harvesting-body- heat-to-warm-building/
  5. 5. Outline 1) Piezoelectricity 2) Triboelectricity 3) Outlook
  6. 6. Piezoelectricity Materials Science and Engineering R, 70, 320 (2010). http://en.wikipedia.org/wiki/Piezoelectricity
  7. 7. 5 nm Flexible PZT Nano Lett. 13, 6197 (2013). 2 𝜇m Science 328, 304 (2010).
  8. 8. 1 cm Biointerfaced PZT Device Nature Nano 7, 587 (2012).
  9. 9. Biointerfaced PZT Device Nature Nano 7, 587 (2012).
  10. 10. 0.82 µW/cm2 @ 100 Hz Power Output Metrics
  11. 11. 15 µm20 µm Nature Nano 7, 587 (2012). Piezoelectric Biomechanical Probes Nature 413, 428 (2001).
  12. 12. Force ~ 1.5 nN | Deflection ~ 1 nm Bioelectromechanical Response
  13. 13. Triboelectricity Nano Lett. 12, 4960 (2012). • Charge transfer by which two materials, after contact with each other, become electrically charged in opposite signs.
  14. 14. Nano Lett. 13, 2282 (2013). Triboelectric Generators
  15. 15. Nano Lett. 13, 2282 (2013). Triboelectric Generators
  16. 16. Outlook • Larger Area • Wireless Energy Transfer • Higher Efficiency • Circuit Design
  17. 17. Funding: AFOSR, Intelligence Community, NSF, DuPont, ARO, DARPA, American Asthma Foundation, Lockheed Martin Collaborators: Michael J. Berry, David H. Gracias, Rajesh R. Naik, Prashant K. Purohit, Fiorenzo G. Omenetto, Naveen Verma McAlpine Research Group

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