对以离子液体(1-乙基-3-甲基咪唑四氟硼酸盐)做电解液,热固性酚醛树脂为前驱体添加纳米硅颗粒制备的中孔炭做电极构成的电化学双电层电容器的电化学行为进行了探讨.循环伏安和恒流充放电测试结果表明,离子液体在中孔炭中表现为优秀的电化学行为,大电流充放电时具有良好的电容特性,其比电容在1mA/cm2时为120F/g,充放电效率达92%,表明中孔炭非常适合离子液体电解液.
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