In situ electrochemical characterization of CuxO-based gas-diffusion electrodes (GDEs) for CO2 electrocatalytic reduction in presence and absence of liquid electrolyte and relationship with C2+ products formation

An artificial leaf device built with earth-abundant materials for combined H2 production and storage as formate with efficiency > 10%

“…Recently, some of us studied the influence of proton diffusion in the liquid- and gas-phase, highlighting the importance of cell/electrode design and operating conditions in addressing the selectivity of CO 2 reduction beyond the properties of the electrocatalysts themselves. 52 The design of our AL considers all these phenomena, which can favour the production of FA and H 2 in place of CO.…”

Catalysis for an electrified chemical production

“…Realising this e-chemistry requires expanding the current electrocatalysis approaches and exploring new routes [119,120]. At the same time, an integrated approach combining cell engineering (a crucial parameter [121,122]) with knowledge in electrochemistry, electrocatalysts and electrode development and engineering, process development and assessment is necessary. Still, literature studies are too focused on mechanistic aspects, which may fail to correctly identify the critical aspects of developing the electrocatalysts to address e-chemistry challenges.…”

Understanding the complexity in bridging thermal and electrocatalytic methanation of CO2

“…In addition, there increasing research attention is focused on electrode/reactor design avoiding the presence of a liquid electrolyte, which is referred to as gas-phase, electrolytes or zero-gap operations, 217 although these are different terms to indicate the same concept. The literature results show that under these conditions, which are all based on the use of gas-diffusion electrodes (GDE), the surface coverage of *CO x species is higher, thus influencing the kinetics and paths of conversion.…”