We have prepared the CoMoO4 nanorods (NR) electrode with a specific capacitance (89.5 F g(-1)) at a current density of 1 mA cm(-2). Moreover, the asymmetric supercapacitor (ASC) has been fabricated by using CoMoO4 NR as positive electrode and activated carbon (AC) as negative electrode. At a power density of 80mW cm(-3), the ASC can deliver an energy density of 0.226 mWh cm(-3) in the voltage range of 0-1.6 V. In addition, the CoMoO4 NR-based ASC device still remains a high energy density (84.07%) after 5000 cycles, demonstrating that one-dimensional nanostructures could be promising to achieve the high-energy- density materials. (C) 2016 Elsevier B.V. All rights reserved.