488
Views
51
Crossref
N/A
WoS
53
Scopus
6
CSCD
Sandwich structured graphene-wrapped FeS-graphene nanoribbons (G@FeS-GNRs) were developed. In this composite, FeS nanoparticles were sandwiched between graphene and graphene nanoribbons. When used as anodes in lithium ion batteries (LIBs), the G@FeS-GNR composite demonstrated an outstanding electrochemical performance. This composite showed high reversible capacity, good rate performance, and enhanced cycling stability owing to the synergy between the electrically conductive graphene, graphene nanoribbons, and FeS. The design concept developed here opens up a new avenue for constructing anodes with improved electrochemical stability for LIBs.
The ONR MURI program (Nos. 00006766 and N00014-09-1-1066), the AFOSR MURI program (No. FA9550-12-1-0035), the AFOSR (No. FA9550-14-1-0111) and the Chinese Scholarship Council provided funding. The authors would also like to thank Celgard LLC for the kind donation of the battery separator material (Celgard 2300).