V2C/VO2 nanoribbon intertwined nanosheet dual heterostructure for highly flexible and robust lithium–sulfur batteries

V 2 C/VO 2 nanoribbon intertwined V 2 C/VO 2 nanosheet dual heterostructure is designed for flexible Li–S batteries. The flexible pouch cells deliver superior areal capacity and excellent capacity retention, showing great promise for future flexible electronic devices.