Hydrogen transfers at interfaces are critical steps in electrocatalysis, corrosion, weathering, and other processes. Hydrogen can transfer as a proton, as a hydrogen atom, or as a hydride, as illustrated below for the three fundamental steps in the hydrogen evolution reaction (HER). In addition, hydrogen can transfer to and from many different kinds of surfaces, and this presentation will likely touch on ligated gold surfaces, oxide surfaces, and silicon surfaces. Building a better understanding of the binding isotherms and reactivity of hydrogen on surfaces is critical to building a more powerful science of electrocatalysis.

Transfers of hydrogen at solid/solution interfaces

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