Kinetics of the Hydrogen Evolution Reaction on Titanium
Source abstract
Abstract
The kinetics of the hydrogen evolution reaction on titanium in sulfuric acid solutions between pH 0.25 to 2.25 have been investigated. The Tafel slope of the HER was 150 mV at all pH values, and the electrochemical reaction order was 0.6 with respect to the hydrogen ions. The corrosion potential varied negligibly with pH; ; . If it is assumed that a thin incipient oxide film covers the surface of active titanium, a mechanism for the HER based on Temkin adsorption behavior, electrochemical desorption as the rate‐determining electrode reaction step, and the dual barrier model is consistent with the experimental results.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Welding Techniques and Residual Stresses
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