Advances in Electrochemical Hydrogenation Since 2010

A commitment to developing a convenient, efficient, and safe hydrogenation strategy is one of the main focuses of industry and academia. Electrochemical hydrogenation brings greener and gentler opportunities for the selective hydrogenation of unsaturated compounds and the incorporation of deuterium atoms to desired products with traceless electrons as redox reagents in the absence of high‐pressure hydrogen. In this account, recent advances in electrochemical hydrogenation or transfer hydrogenation of unsaturated compounds since 2010 are summarized. The reaction features, limitations, substrates scopes, mechanism of these hydrogenation reactions are discussed in this review. We hope this account will contribute to future developments to broaden the scope of electrochemical hydrogenation or transfer hydrogenation.