WS2-embedded MXene/GO hybrid nanosheets as electrodes for asymmetric supercapacitors and hydrogen evolution reactions

•Hydrothermal reaction engaged to formulate the WS2 decorated MXene/GO composites.•A composite electrode offered the high capacitance of 1111F.g−1 with high cycling stability.•WS2@MXene/GO exposed the asymmetric capacitance of 420F g−1 and specific energy of 114 Wh.kg−1.•WS2@MXene/GO offered the noble metal like HER behavior under the acid and alkaline condition.