A self-inhibiting, gradient sulfur structure was designed and developed
by the synthesis of a carbon nanofiber–sulphur composite via sulfur
vapor deposition method for use as a binder-free sulfur cathode,
exhibiting high sulfur loading (2.6 mg cmÿ2
) and high sulfur content
(65%) with a stable capacity of 4700 mA h gÿ1
.