Direct Solar Energy Conversion by the Reduction of CO2

Speaker(s): 
Date: 
August 25, 2005 - 12:00pm
Location: 
Bldg. 90

Reed Jensen has successfully demonstrated the direct solar reduction of CO2 to CO and O2 using a solar concentrator dish and ceramic converter that grew out of his work at Los Alamos National Laboratory. He will discuss the thermochemical, kinetic and spectral properties of the CO2 /CO/ O2 system that enable this process and how the CO is subsequently converted to useful fuels by a range of catalytic processes. He will also discuss the technical difficulties associated with the design, construction and operation of a multi-component optical system that must operate at high temperatures. Results from a prototype system will be discussed defining the efficiencies of the various processes. The details and the cost estimates for a 1 MW system for fuel, electricity and heat will also be presented.

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