【摘要】 探讨电解液浓度对NiCo₂O₄超级电容器电极材料电化学性能的影响.以泡沫镍为集流体,采用冷压压片法在10MPa压力下制备NiCo₂O₄超级电容器电极材料,通过CHI660E电化学工作站测试样品的循环伏安、恒流充放电和交流阻抗等电化学性能.研究结果表明:高浓度的KOH电解液有利于改善NiCo₂O₄超级电容器电极材料的电化学性能.更多还原

【Abstract】 The effect of electrolyte concentration on electrochemical properties of NiCo₂O₄ supercapaitor electrode materials was investigated NiCo₂O₄ supercapaitor electrode materials were prepared by cold pressing sheer method under 10 MPa with nickel foam as the collecting fluid.The electrochemical properties of samples,such as cyclic voltammetry,constant current charge-discharge and AC impedance were tested by CHI660 Eelectrochemical workstation.The result show that the high concentration of KOH electrolyte can improve the electrochemical properties of the electrode materials of NiCo₂O₄ supercapacitor.更多还原