Tin-indium/graphene with enhanced initial coulombic efficiency and rate performance for lithium ion batteries

•Tin–indium/graphene hybrid was firstly synthesized.•Indium in the hybrid reduces charge transfer resistance of electrode.•Graphene can accommodate the volume change of nanoparticles during cycling.•Tin–indium/graphene hybrid shows enhanced initial coulombic efficiency.•Tin–indium/graphene hybrid shows enhanced rate capability.