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中文摘要：
利用乙酸为溶剂和掺杂剂，通过化学氧化聚合法制备了掺杂聚苯胺，利用红外光谱（FT-IR）、电子扫描显微镜（SEM）和X射线衍射（XRD）对聚合物进行了表征。在1mol／LH2SO。溶液中，用循环伏安、恒流充放电、电化学交流阻抗等测试方法，对不同温度制备的聚苯胺的电化学电容特性进行了研究。结果表明，低温（0℃）制备的乙酸掺杂聚苯胺在1mol／L硫酸溶液中呈现较好的电容性质，5mA放电时电容值达407F／g，比室温制备的聚苯胺比电容（212F／g）高48％。
英文摘要：
Polyaniline doped with acetic acid used as the solvent and dopant has been prepared by chemical oxidation polymerization. The polymer was characterized by FT-IR, SEM, XRD. Electrochemical capacitance performance in 1 mol/L H2SO4solution was evaluated by cyclic voltammogram, galvanostatic charge/discharge and electrochemical impedance spectrometry. Results show that the polyaniline doped with acetic acid synthesized at （0 ℃） has higher crystalline than that prepared at room temperature. The specific capacitance of the polyaniline prepared at 0 ℃ is as high as 407 F/g at 5 mA discharging compared to that of polyaniline prepared at 20 ℃ （212 F/g at 5 mA）.
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