Fig. 2: Characterization of I2@KB cathode and its electrochemical behavior.

a XRD pattern of KB, I2 and I2@KB. b Thermogravimetric analysis curves of I2 and I2@KB. c The discharge/charge curves of all-solid-state LIB based on PEO electrolyte, LAGP electrolyte and hybrid electrolyte. d CV curves of all-solid-state LIB at sweeping rate of 0.5 mV s−1 for first 5 cycles.