1 / 10

Today: Production Cost of Electricity

Today: Production Cost of Electricity. (in the U.S. in 1997, cents per kWh). 22 ¢. 5.5 ¢. 3.9 ¢. 3.6 ¢. 2.1 ¢. 2.3 ¢. coal. nuclear. gas. oil. wind. solar. Nuclear Energy Institute, American Wind Energy Association, American Solar Energy Society.

Download Presentation

Today: Production Cost of Electricity

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Today: Production Cost of Electricity (in the U.S. in 1997, cents per kWh) 22 ¢ 5.5 ¢ 3.9 ¢ 3.6 ¢ 2.1 ¢ 2.3 ¢ coal nuclear gas oil wind solar Nuclear Energy Institute, American Wind Energy Association, American Solar Energy Society

  2. Photons to Chemicals-Overall Process Building blocks: H2O and Photons hn H2 H2O O2

  3. Photons to Chemicals-Overall Process Building blocks: H2O and Photons hn electricity photovoltaic electrolysis H2 H2O O2

  4. Photons to Chemicals-Overall Process Building blocks: H2O, CO2 and Photons hn CO2 [CH3OH(l) can be substituted by CH4 (g)] electricity photovoltaic Methanol synthesis reactor electrolysis CH3OH H2 H2O O2

  5. Photons to Chemicals-Overall Process Building blocks: H2O, CO2 and Photons hn CO2 [CH3OH(l) can be substituted by CH4 (g)] electricity photovoltaic Methanol synthesis reactor electrolysis CH3OH H2 H2O Electrochemical Methanol production O2

  6. Presently Possible Methanol Generation Electrochemical Cell-A Reverse Fuel Cell + - CO2 O2 e- e- Catalyst-supported electrode Proton exchange membrane O2 e- CO2 e- H+ Cathode Anode CH3OH + H2O H2O 2H2O→O2(g)+4H++4e- CO2+6H++6e-→CH3OH+H2O

  7. CO2 O2 e- e- Catalyst- supported electrode Proton exchange membrane O2 CO2 e- e- H+ Cathode Anode CH3OH + H2O H2O CO2 CO2 O2 O2 e- e- e- e- Photo electrode Enzyme- supported electrode Proton exchange membrane Proton exchange membrane O2 O2 CO2 CO2 e- e- e- e- H+ H+ Cathode Cathode Anode Anode CH3OH + H2O CH3OH + H2O H2O H2O Proposed Novel Studies-First Step CH3OH CH4 hn

  8. CO2 O2 e- e- Catalyst- supported electrode Proton exchange membrane O2 CO2 e- e- H+ Cathode Anode CH3OH + H2O H2O CO2 CO2 O2 O2 e- e- e- e- Photo electrode Enzyme- supported electrode Proton exchange membrane Proton exchange membrane O2 O2 CO2 CO2 e- e- e- e- H+ H+ Cathode Cathode Anode Anode CH3OH + H2O CH3OH + H2O H2O H2O Proposed Novel Studies-First Step CH3OH CH4 hn

  9. Research Needed • Design synthetic enzymes that • catalyze the reaction at the right potential • increase turnover rates • have stability • Demonstrate in a real device • Develop substantive collaborations between chemical biologists, inorganic chemists and materials chemists

More Related