Anodic curves after current correction for cathodic hydrogen evolution reaction: (a) in 1.37, 3, 5 and 7 M HCl at 25 °C, and (b) at 25, 37, 45 and 55 °C in 5 M HCl. The inserts are variations of the maximum anodic current (im) with HCl concentration or temperature, respectively.
Anodic curves after current correction for cathodic hydrogen evolution reaction: (a) in 1.37, 3, 5 and 7 M HCl at 25 °C, and (b) at 25, 37, 45 and 55 °C in 5 M HCl. The inserts are variations of the maximum anodic current (im) with HCl concentration or temperature, respectively.