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Problems with a Hydrogen Economy ‣ Hydrogen is not an energy source, but an energy carrier. It does not occur freely in nature. ‣ Hydrogen is gaseous at ambient temperature and pressure ‣ Difficulties with its production, transportation, storage, and use ‣ Problems with cost and safety
The Hydrogen Economy solar automotive H 2 O wind fuel cells hydro nuclear/solar gas or thermochemical hydride cycles H 2 storage H 2 consumer electronics Bio- and bioinspired fossil fuel reforming production 9M tons/yr storage 4.4 MJ/L (Gas, 10,000 psi) 8.4 MJ/L (LH2) stationary electricity/heat generation use in fuel cells $3000/kW 40M tons/yr (Transportation only) 9.72 MJ/L (2015 FreedomCARTarget) $35/kW (Internal Combustion Engine)
Page 1 and 2: Materials for Hydrogen Storage: Fro
Page 3 and 4: Acknowledgement ‣Nanostructures f
Page 5 and 6: Energy Crisis? It is not a question
Page 7 and 8: “Yes my friends, I believe that w
Page 9: Advantages in a Hydrogen Economy
Page 13 and 14: Hydrogen Storage Requirements Trans
Page 15 and 16: Hydrogen storage 2kg of hydrogen (2
Page 17 and 18: Nature of Hydrogen Interaction ‣
Page 19: Nature of Hydrogen Interaction ‣
Page 23 and 24: Nature of Hydrogen Interaction ‣
Page 25 and 26: Lessons from early studies on dihyd
Page 27 and 28: Computational Approach ‣ Density
Page 29 and 30: Ti doped C 60 6.5 wt% 8 wt% Zhao et
Page 32 and 33: E=0.0eV E= + 2.20eV
Page 34 and 35: Interaction between Li 12 C 60 clus
Page 36 and 37: Interaction of H 2 with Li 12 C 60
Page 38 and 39: Why not Li 12 C 60 ? ‣Li atoms do
Page 40 and 41: (a) (b) (c) (a) B doped C 60 , (b)
Page 42 and 43: (a) (b) (c) (d) (a) HOMO, (b) LUMO
Page 44 and 45: Number of attached H 2 , binding en
Page 47 and 48: R Ca-Ca =3.681 R Ca-C =2.752 R C56
Page 49 and 50: Electronic structure of Ca 32 C 60
Page 51: (a) Geometry and (b) charge differe
Page 57 and 58: Hydrogen Storage in AlN nanostructu
Page 59 and 60: Binding of H 2 on AlN nanocage (a)
Page 61 and 62:
Adsorption of a single hydrogen mol
Page 63 and 64:
Hydrogen storage in AlN nanotube
Page 65 and 66:
Idea: How does a charged metal site
Page 67 and 68:
Effect of electric field A single H
Page 69 and 70:
Calculated (black points) and fitte
Page 71 and 72:
More polarizable substrate the les
Page 73 and 74:
3. graphene sheet Covalent bonding
Page 75 and 76:
In applications, following points s
Page 77 and 78:
Advantages: 1. Contrary to the loca
Page 80 and 81:
Complex Light Metal Hydrides and Ro
Page 82 and 83:
Structure of Alanates For more info
Page 84 and 85:
Desorption of hydrogen from NaAlH 4
Page 86 and 87:
Energy gain in adding a H atom The
Page 88:
Conclusions ‣Nano-structures are
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