Earth-abundant electrocatalysts for sustainable energy conversion

Publication Name

Sustainable Materials and Green Processing for Energy Conversion


Electrochemical energy conversion processes driven by renewables, such as wind, hydro, and solar energy will inevitably be integral in any transition away from fossil fuels and will require the development of viable catalysts for large-scale implementation. Benchmark catalysts for these processes are usually based on platinum group metals; for cost and scalability reasons, these need to be replaced by Earth-abundant catalysts, that is, catalysts based on plentiful metals or carbon. In this chapter, we discuss the syntheses and design strategies of scalable Earth-abundant electrocatalysts for electrochemical water splitting and CO2 reduction. We especially emphasize the impacts that catalyst composition, reaction conditions, and surface morphologies have on performance. Other issues surrounding catalyst use, including long-term stability and sustainability, are addressed.

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