▎ 摘 要
Ni(OH)(2)/CoO/rGO composites, which were synthesized via a one-step solvothermal route, exhibit excellent electrochemical properties, e. g., a specific capacitance up to 1317 F g(-1) at a current density of 2 A g(-1) and 1056 F g(-1) at 5 mV s(-1) with good cyclability.