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Solar Hydrogen Update

Solar Hydrogen Update. 1 st December 2009. Updates. Plasma deposition unit Failure due to faulty VGA card. Should be up for running by next week Separating system of carver’s reactor. Carver’s Reactor. Reactor setup. H 2. O 2. Reactor. Pump. Feed Tank. Carver’s Reactor.

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Solar Hydrogen Update

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  1. Solar Hydrogen Update 1st December 2009

  2. Updates • Plasma deposition unit • Failure due to faulty VGA card. Should be up for running by next week • Separating system of carver’s reactor

  3. Carver’s Reactor Reactor setup H2 O2 Reactor Pump Feed Tank

  4. Carver’s Reactor Design of the T-Piece for separation • Use of a normal T-piece • Poor liq-gas separation Ideas: Gas Gas Liq From reactor From reactor Liq

  5. Since last week…. • Effect of Sn-doping • Lower/higher doping concentrations • Film thickness measurements

  6. Fe2O3: Photocurrent-voltage: Illumination @ 450 nm

  7. Fe2O3: Photocurrent spectra: film thickness

  8. Fe2O3: Photocurrent spectra: dopant concentration

  9. Carver Reactor Development: 1

  10. Carver Reactor Development: 2

  11. Electrochemical CO2 Reduction • Target fuels • Methanol (Primary) (Mo, CuO + ZnO + Al2O3) • Formate (Secondary) (Pb, In)

  12. Systems to be studied • Nafion • 2D cathode • Liquid aqueous • Liquid non-aqueous • 3D cathode • Liquid aqueous • Liquid non-aqueous • Liquid/gas aqueous • Liquid/gas non-aqueous

  13. Systems to be studied (continued) • High T proton conductors (V2O5·nH2O, K(HPO3H), CsH2PO4) • 2D cathode • Pure CO2 • CO2 + steam • 3D cathode • Pure CO2 • CO2 + steam

  14. Work in progress System design Studying the fabrication of high temperature proton conductors

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