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Biophysics and Soft Matter Seminar
Toward Efficient Catalysts for Energy Conversion: from Enzymatic Function to Functional Mimics
Simone Raugei
Catalysis Science, Pacific Northwest National Laboratory
Toward Efficient Catalysts for Energy Conversion: from Enzymatic Function to Functional Mimics
Oct 11, 2017 at 12PM
Synopsis
Enzymes represent an invaluable source of inspiration for improving catalytic processes. In this talk I will highlight how theory and computation, tightly integrated with experiment, help elucidate enzymatic functionalities germane to the activation of energy-relevant small molecules and how these concepts can help design selective, efficient and sustainable bio-inspired catalysts. Specifically, I will discuss how hydrogenase enzymes finely regulate electron and proton movements and how this understanding can be used to drive new electrocatalysts for H2 oxidation and production. I will also present computational results on how nitrogenase is able to store electrons and protons in iron-sulfur clusters and deliver them to activate and reduce N2 and CO2 . Finally, I will provide new mechanistic insights on methyl-coenzyme M reductase, the rate-limiting enzyme in methanogenesis and anaerobic methane oxidation, pertinent to the development of catalytic processes for the generation and activation of methane.