One-dimensional curved graphene nanoribbons assisted MoS2 nanosheets enhanced electrode material for high-performance supercapacitor

•CGNs supported MoS2 provides more active sites to enhance electron transfer.•Composite shows better rate performance and good cycling stability.•Specific capacitance of 282 F/g is achieved at 1 A/g for CGNs@ MoS2.•High cycling stability shows 78% retention around 5000 cycles at 10 A/g.