Electrochemical electrodes Electrochemical performance Silver Spectroelectrochemistry Active electrodes Adsorption Ag electrodes Au films Au surfaces Benchmark models Chemical stability Computer-Aided Design Cyclic voltammetry ELectrochemical methods Electrocatalytic activity Electrochemical properties Electrochemistry Electrode arrays Enhancement factors Equipment Design Equipment Failure Analysis Gold Gold deposits Graphite electrodes Graphite plates Heme proteins Hybrid devices Hybrid electrodes Materials Testing Mediator-less