Chapters / Chapter 2
2 Electrocatalysis
HER, OER, ORR, CO₂ and nitrogen reduction: what makes a good catalyst, how to measure it fairly, and how to prove what was made.
Lessons
Lesson 2.1
Fundamentals of electrocatalysis
Overpotential, kinetics, Tafel slopes, the Sabatier principle and the main reactions we study. About 30 minutes
Start →Lesson 2.2Reporting electrocatalysis properly
RHE, iR correction, ECSA, Tafel slopes, stability and Faradaic efficiency. About 35 minutes
Start →Lesson 2.3Products, selectivity and control experiments
Measuring products of CO₂, N₂ and nitrate reduction, and the controls that rule out false positives. About 30 minutes
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