Maximum and Comparative Efficiency Calculations for Integrated Capture and Electrochemical Conversion of CO <sub>2</sub>
Aaron M. Appel, Jenny Y. Yang
Abstract
CO<sub>2</sub> as a C1 feedstock is receiving increasing attention, but it typically exists in dilute or impure streams. The capture and conversion of CO<sub>2</sub> to fuels or chemicals using carbon-neutral energy mitigates carbon emissions when CO<sub>2</sub> is captured from point sources and results in net or negative carbon emissions when CO<sub>2</sub> is obtained by direct air capture. Additionally, CO<sub>2</sub> capture and conversion steps are typically viewed as separate processes that optimize either capture and concentration or catalytic conversions of pure streams of CO<sub>2</sub>.
Topics & Concepts
ElectrochemistryMaterials scienceChemistryPhysical chemistryElectrodeCO2 Reduction Techniques and CatalystsCarbon Dioxide Capture TechnologiesCatalysts for Methane Reforming