Contrast and Synergy between Electrocatalysis and Heterogeneous Catalysis

Table 1

DFT-calculated reaction energies and activation barriers for possible steps involved in the reduction of O₂ to OH over Au(111) in aqueous media [98].

	Δ𝐸rxn (kJ/mol)	Δ𝐸 * (kJ/mol)	Reaction
O2∗+^∗→O^∗+O^∗	41	105	(5)
O2∗+H2O^∗→OOH^∗+OH^∗	−4	16	(6)
OOH^∗+^∗→OH^∗+O^∗	−56	83	(7)
OOH^∗+H2O^∗→HOOH^∗+OH^∗	37	48	(8)
HOOH^∗+^∗→OH^∗+OH^∗	−86	71	(9)