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Presentation and discussion from 10/15/13 on opportunities to generate, store, distribute and use energy via nanotechnology. Brandon Thomas, graduate researcher at St. Louis University presented with a focus on dramatically increasing efficiency, safety, and power via nano energy. Join OpenlyDisruptive.org for live access to more disruptive innovation events.
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I. Piezoelectrics II. Supercapacitors
III. Reactive Materials IV. Solar Cells
BRANDON J. THOMAS PH.D. CANDIDATE SAINT LOUIS UNIVERSITY
Use of Nanomaterials for Energetic Applications
Nanomaterials Size: 1-‐100 nm
Nanosheets Nanopar5cles Nanowires
Nanotubes Nanorods
CARBON-BASED NANOMATERIALS
Carbon Nanotubes Graphene Buckminsterfullerene, C60
Shape Control Size Control
REACTIVITY
Piezoelectric Effect Voltage ßà Strain
Qin, Y.; Wang, X.; Wang, Z. L. Nature 2008, 451, 809–813.
PIEZOELECTRIC APPLICATIONS
Wang, Z. L. Adv. Funct. Mater. 2008, 18, 3553–3567.
Supercapacitors
Halper, M. S.; Ellenbogen, J. C. Report No. MP 05W0000272, The MITRE Corpora5on, McLean, Virginia 2006.
SUPERCAPACITOR • Nano-enabled
electrodes • Graphene • Carbon nanotubes
(CNTs)
http://www.dataweek.co.za/news.aspx?pklnewsid=23918
Thermite H2 production/
storage Fuels
Reactive metal nanomaterials
Al (s) + O2 (g) à Al2O3 (s) Al(s) + H2O(l) à Al(OH)3(s) + H2(g)
Nano Al reaction
HYDROGEN PRODUCTION
http://www.youtube.com/watch?v=hykAr0Lhz04, CE Bunker, AFRL
http://butane.chem.uiuc.edu/pshapley/Enlist/Labs/FuelCellLab/FuelCell.html
Hydrogen as a Fuel
H2 (g)+ O2 (g) à H2O (l)
HYDROGEN IS DANGEROUS!
HYDROGEN STORAGE
Mg nanoblades decorated with Pd NPs
Liu, Y.; Chen, L.; Lu, T. M.; Wang, G. C. Int. J. Hydrogen Energ. 2011, 36, 11752–11759.
Niemann, M. U.; Srinivasan, S. S.; Phani, A. R.; Kumar, A.; Goswami, D. Y.; Stefanakos, E. K. J. Nano. Mat. 2008, 1–9.
COMPLEX METAL HYDRIDES
REVERSIBLE HYDROGEN STORAGE – LI3ALH6
Thomas, B.J.; Bunker, C.E.; Guliants, E.A.; Buckner, S.W.; Jelliss, P.A. Chem. Commun. 2013, submitted.
Patel, A.; Bunker, C. E.; Guliants, E. A.; Jelliss, P. A.; Buckner, S. W. CRC Press, 2013; Vol. 1, pp. 366–369.
Solar Cells – Photovoltaic Effect
hYp://www.solarnovus.com/ar5cle.php?nID=937
Forvision smart car, BASF
Wallentin, J. et al. Science 2013, 339, 1057−1060.
InP NW array – 13.8% efficiency
SUMMARY
Energy Conversion Mechanical Chemical Solar
ELECTRICAL ENERGY
Nanogenerators Solar Cells Fuel Cells
Supercapacitors Nanomaterials Size: 1-100 nm
