Hydrogen Spillover Mechanism at the Metal–Metal Interface in Electrocatalytic Hydrogenation
Yuefei Li,
Linsen Li,
Shenglin Xu
et al.
Abstract:Hydrogen spillover in metal‐supported catalysts can largely enhance electrocatalytic hydrogenation performance and reduce energy consumption. However, its fundamental mechanism, especially at the metal–metal interface, remains further explored, impeding relevant catalyst design. Here, we theoretically profile that a large free energy difference in hydrogen adsorption on two different metals (|ΔGH‐metal(i) − ΔGH‐metal(ii)|) induces a high kinetic barrier to hydrogen spillover between the metals. Minimizing the … Show more
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