Electrochemical processes require functional materials with intrinsic properties that are fundamentally defined by bulk and surface structure and composition of both electrode and electrolyte components of the interface. In particular, changes in the electrode surface composition at sub-monolayer levels are important in controlling both the reactivity and stability of active sites, which can be further influenced by electrolyte species present at part per million concentration. We will present an overview of the effects of trace level composition dynamics in the properties of materials across different energy conversion and storage technologies, from fuel cells, to water electrolyzers, including to electrocatalytic processes that play an important role in determining performance and lifetime characteristics of Li-ion and lead-acid battery technologies

Trace level composition dynamics in materials for electrocatalysis and energy storage systems

ACS Spring 2022

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