Gram-negative bacteria, prepared on a nickel plate without additives, were examined for their intrinsic capacitance. Varying electrode mass loadings were used to assess morphological and electrochemical properties. After 5000 cycles at 1 A∙g−1 current density, the sample exhibited a specific capacitance of 37F∙g−1, demonstrating potential for energy storage devices and fundamental research on bacteria-doped composites.
