Describes various electrochemical processes related to the renewable compounds, including hydrogen evolution, oxygen evolution, oxygen reduction, carbon dioxide reduction, nitrogen reduction, methanol oxidation, urea oxidation and ammonia oxidation. Highlights fundamental aspects, catalysts designing principles and measurement criteria of different electrochemical transformations. Covers the important electrocatalysts, including transition metal phosphide-based electrocatalysts, earth-abundant electrocatalysts, graphene-supported nanomaterials, self-supported nanoarrays, single-atom catalysts and MOFs derived electrocatalysts. Explores the strategies and mechanisms for improving the electrocatalytic performance of various electrocatalysts. Discusses future development of renewable compounds produced by electrochemical transformation.