To store energy, the fuel cell could be coupled to an external charge storing device such as a battery but this increases the total weight and volume of the system. Storing charge in the fuel cell materials would therefore be a great advantage. To implement this strategy, fuel cell materials that reversibly transfer charges such as in batteries are needed. We fabricated TF-SOFC with vanadium oxide anodes or vanadium oxide/ porous Pt bilayer anodes. Vanadium is known for its propensity to change oxidation state, a property making vanadium oxide a candidate electrode material for different battery technolo- gies.7,8 Moreover, hydrogen can be inserted in VO2 and V2O5 and nonstoichiometric V6O13 and V3O7, with H/V ratios in the range 0.3−1.9 depending on the oxide.9−11 Our vanadium oxide anode TF-SOFCs supply electricity 2−14 times longer than reference porous Pt anode fuel cells when the hydrogen fuel supply is turned off. During regular fuel cell operation at temperatures of 300−360 °C with humidified hydrogen, the open circuit voltages and maximum power densities of the vanadium oxide/porous Pt bilayer anode fuel cells are similar to that of the reference porous Pt anode fuel cells.