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“Blood Batteries”. By Brandon Brunelle. What is it?. An energy source that can run off of an array of electrolytes including bodily fluids.. safe ultrathin flexable durable . Needs. The goal is to build a hybrid of a battery and super capacitor in one entity.

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blood batteries

“Blood Batteries”

By Brandon Brunelle

what is it
What is it?
  • An energy source that can run off of an array of electrolytes including bodily fluids..
  • safe

ultrathin

flexable

durable

needs
Needs
  • The goal is to build a hybrid of a battery and super capacitor in one entity.
  • Super capacitor:
      • Large discharge
      • Electrolytes; either aqueous or solid, are used to separate plates.
  • Battery
      • Electro chemical cells used to store and convert chemical energy
technology
Technology
  • Nanocomposite paper (CNT cellulose–RTIL)
      • Multiwallednanatubules(MWNT) are grown on silicon substrate.
      • Plant cellulose dissolved in RTIL is infiltrated into MWNT
      • The resulting film is cleaned using ethanol and then set on dry ice to remove ethanol.
      • On the order of 10 microns thick.
      • Remarkable bending and twisting ability without deformation
      • Cellulose is randomly porous anywhere between 45 and 55nm between pores. Pore density can be increased or decreased.
design
Design
  • MWNTs serve the purpose of electrodes.
  • Cellulose acts as the insulator
  • RTIL as the self sustaining electrolyte
  • Two nanocomposites are used to create supercapacitor
results
Results
  • Record breaking operating temperature of 195K-423K
  • Different aqueous and nonaqueous electrolytes were used.
  • Device was tested at 77K
  • The device was found to work when compounds such sweat and blood were used as the electrolyte
  • Development of flexible lithium ion battery was also designed.
conclusion
Conclusion
  • Uninteruptable durable energy source
  • Can be adapted to operate medical devices
  • Cost effective
  • Good future ahead
sources
Sources
  • Published online before print August 15, 2007, doi: 10.1073/pnas.0706508104 PNAS August 21, 2007 vol. 104 no. 34 13574-13577
  • http://www.pnas.org/content/104/34/13574.full
  • http://www.howstuffworks.com/framed.htm?parent=blood-battery.htm&url=http://news.rpi.edu/update.do?artcenterkey=2280
  • http://batteryuniversity.com/partone-8.htm
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