The behavior of chemical and electrochemical Ag deposition on FeNi‐mesh cathodes in Al‐air battery

In this study, FeNi/Ag cathode was made for aluminium air battery. For this purpose, FeNi-mesh electrode surfaces were treated in two different ways (chemical and electrochemical deposition), with noble metal silver having a high catalytic activity. The optimum time for both methods was determined. The electrochemical properties were determined using cyclic voltammogram (CV), electrochemical impedance spectroscopy (EIS), and current-potential (i-t) curves. The battery performance tests were performed, and surface characteristics of the electrodes were determined with a scanning electron microscope an X-ray diffraction method (SEM-EDS and XRD). This study shows that FeNi mesh electrodes chemically and electrochemically deposited with silver are alternative for oxygen-reducing cathodes for aluminium air battery because they are cheap, practical, and effective. The electrochemical (FeNi/Ag-ED) deposition is better than the chemical (FeNi/Ag-CD) deposition in terms of both economical and higher battery potential.