Figure 4.
Electrochemical performance of VOSO4/AB|SIPO–PTFE|RuO2 fuel cells. a) Galvanostatic charge–discharge curves for fuel cells with and without VOSO4 in the anode at a current density of 10 mA cm−2. b) CVs for the cells with and without VOSO4 in the anode at a scan rate of 10 mV s−1.