(178a) Patterned Cu-Ti Bimetallic Oxides for Electrooxidation of Methane to Methanol at Ambient Conditions
AIChE Annual Meeting
Monday, November 14, 2022 - 3:30pm to 3:50pm
Sustainable management of CH4 has been the overarching goal of this century. Additionally, due to its enhanced global warming potential, it is urgent to utilize methane to produce value-added products. The existing method of utilization of CH4 involves steam reforming to synthesis gas which then is thermocatalyzed to obtain value-added products. A significant drawback of such a process comprises a considerable carbon footprint and frequent catalyst poisoning. Electrochemical oxidation of CH4 in an aqueous media stands out as an attractive technology due to its low carbon footprint and cheap electricity. In this work, we present patterned Cu-Ti bimetallic oxides to circumvent the challenges of CH4 activation on an electrocatalyst. Interfacial engineering of the bimetallic oxide catalyst aids in obtaining methanol and formic acid at high faradaic efficiencies from CH4 oxidation. Herein, we also report the effects of operating parameters such as applied potential, and the number of interfaces on faradaic efficiencies of methanol production. Full product distribution from CH4 oxidation using HPLC and GC will also be showcased as a part of this work.