The supercapacitor is attracting attention as a high-power, long-life energy storage device capable of rapid charging and discharging. However, their low energy density (Wh/cm³) is an issue. In order to solve this problem, it is necessary to form thi...
The supercapacitor is attracting attention as a high-power, long-life energy storage device capable of rapid charging and discharging. However, their low energy density (Wh/cm³) is an issue. In order to solve this problem, it is necessary to form thin films with high specific capacitance by volume (F/cm³), i.e., three-dimensional thin films. In this study, we attempted to synthesize electrodes for supercapacitors with high energy density by coating and sintering an ink containing manganese formate complexed with amine (TETA) on a porous metal substrate (Ni foam). The sintering temperature was varied from 200 °C to 300 °C, and the mechanism of electrode synthesis was analyzed by examining the difference in the electrode shape and the results of electrochemical measurements.