Cathodic corrosion: 21st century insights into a 19th century phenomenon |
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Authors: | Thomas JP Hersbach Marc TM Koper |
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Institution: | 1. Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, Leiden, 2300 RA, the Netherlands;2. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA |
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Abstract: | Cathodic corrosion is an enigmatic electrochemical process that etches metallic electrodes at potentials below 0 V versus the normal hydrogen electrode. Although this phenomenon was discovered in the late 1800s by Fritz Haber, it remained mostly unnoticed during the 20th century and only attracted increased attention in the past decade. This recent attention has generated marked improvements in both the fundamental knowledge and the applications of cathodic corrosion. Fundamental new insights were gained into the effects and possible reaction intermediates of cathodic corrosion. Complementing these insights, recent advances involve applications of cathodic corrosion for nanoparticle synthesis and electrocatalyst modification. Both these applied and fundamental advances will be discussed in this short review on cathodic corrosion. |
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Keywords: | Cathodic corrosion Nanoparticles Electrocatalysis Surface structure Etching |
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