Recent Progress in Hydrogen Electrocatalysis

<table>Mechanism of electrocatalysis by a <i>d</i> band near the Fermi level for the following reaction: <svg height="13.175" id="M2" style="vertical-align:-0.51414pt" version="1.1" viewbox="0 0 91.887497 13.175" width="91.887497" xmlns="http://www.w3.org/2000/svg">
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<g transform="translate(72,-61.46)">
<text transform="matrix(1,0,0,-1,-71.95,62.02)">
<tspan style="font-size: 12.50px; " x="0" y="0">A</tspan>
<tspan style="font-size: 12.50px; " x="14.578498" y="0">→</tspan>
<tspan style="font-size: 12.50px; " x="31.707607" y="0">A</tspan>
</text>
<text transform="matrix(1,0,0,-1,-31.2,67.16)">
<tspan style="font-size: 8.75px; " x="0" y="0">+</tspan>
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<text transform="matrix(1,0,0,-1,-21.93,62.02)">
<tspan style="font-size: 12.50px; " x="0" y="0">+</tspan>
<tspan style="font-size: 12.50px; " x="11.340221" y="0">e</tspan>
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<text transform="matrix(1,0,0,-1,-5.04,67.02)">
<tspan style="font-size: 8.75px; " x="0" y="0">−</tspan>
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</g>
</svg> on a <i>good</i> metal catalyst: (a) initial, (b) transition, and (c) final states. The Fermi level has been taken as the energy zero.</table>

Advances in Physical Chemistry

Recent Progress in Hydrogen Electrocatalysis

Figure 1