Graphene sheets coated with a thin layer of nitrogen-enriched carbon as a high-performance anode for lithium-ion batteries

Graphene sheets coated with a thin layer of nitrogen-enriched carbon possess excellent rate capability and cycle performance at various current rates as anodes for LIBs, as the nitrogen-enriched carbon not only incorporates the nitrogen atoms, but also reduces the aggregation of graphene sheets, which can facilitate the storage and transportation of the lithium within the anode.