Electrocatalysis plays a key role in the energy conversion processes central to several renewable energy technologies that have been developed to reduce our reliance on fossil fuels1. The biggest challenge in developing electrochemical energy conversion technologies, including fuel cells and water electrolyzers, is the development of catalysts that are active, selective, and durable. In the design of efficient electrocatalysts, however, catalyst stability is too often overshadowed by the pursuit of ever increasing activities. By studying the relationships between electrocatalytic activity and stability, we aim to identify the relevant mechanisms of these competing performance metrics and develop insight to aid the optimization of a sufficient balance for practical application and device integration.
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