A Sodium Storage Material Based on Chamber-Confined Conversion of Co₉S₈ Nanorod Encapsulated by N-Doped Carbon Shell

Different from the ion intercalation/deintercalation, conversion-based reactions are a promising way to achieve high capacity of storage materials. However, their too much volume change and poor reversibility during discharge/charge are stubborn to overcome. Herein, by combining hydrothermal synthesis and chemical vapor deposition, a Co9S8 nanorod encapsulated by a N-doped carbon shell (r-Co9S8@NC) is built and applied as an anode material for...