Supporting Information

See the Supporting Information for the experimental section, materials characterization, electrochemical test, and DFT details, additional morphological characterization (SEM), additional crystal structure characterization (XRD) and XPS full spectrum, additional electrochemical measurements including CV, GCD, EIS, and kinetic analysis, electrochemical performance of the negative electrode, digital photograph of interdigitated electrodes, additional electrochemical testing of CMSC, digital photograph for lighting a red bulb, cyclic testing under different bending states and after 4,000 cycles, and a table for comparing CMSC performance.