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中文摘要：
以生物制剂肝素钠为掺杂剂,由自组装方法合成出平均粒径为100 nm的球状聚吡咯（PPy）,用作超级电容器电极材料.透射电镜（TEM）、循环伏安、恒流充放电和电化学交流阻抗测试表明,肝素钠掺杂聚吡咯呈现较好的形貌和电容性质,在电流密度3 mA/cm^2下充放电,单电极比电容达到338 F/g.
英文摘要：
Spherical-like polypyrrole with an average diameter of 100 nm as the electrode material for supercapacitor was prepared by a self-assembly process with heparin sodium salt as the dopant at - 10 ℃. The morphology and electrochemical properties were characterized by transmission electron microscopy （TEM）, cyclic vohammetry （CV）, galvanostatic charge/discharge and electrochemical impedance spectroscopy （EIS） measurements. The results showed that the polypyrrole doped with heparin sodium salt exhibited good capacitive behavior. The specific capacitance of single electrode was up to 338 F/g at 3 mA/cm^2.
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