Stabilization of carbon nanotubes-based hollow cages for energy storage: From collapsed morphology to free-standing structure

- (PANInfs/f-MWNTs)10 hollow cages were prepared via the LBL self-assembly technique.
- Free-standing structure hollow cages were obtained after in situ polymerization.
- The maximum specific capacitance of 514 F g−1 was achieved as electrode materials.