Fabrication and characterization of a nanoporous NiO film with high specific energy and power via an electrochemical dealloying approach

The maximum values were 170 Wh kg−1 and 27.5 kW kg−1 for specific energy and power at the potential window of 1.1 V, respectively. As so far as we know, the values of specific energy and power were both the highest than that reported in literatures.