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中文摘要：
采用具有微孔壳层的新型单分散中空炭纳米球作为电极材料,利用循环伏安、恒流充放电和交流阻抗等电化学测试方法,研究了中空炭纳米球在K2SO4、Li2SO4 和Na2SO4 等水系中性电解液中的超电容特性.结果表明,由于具有独特的微孔壳G球状中空腔纳米结构,该中空炭纳米球电极材料在这3种中性电解液中均表现出优异的倍率性能和高效的电化学活性表面,是一种有潜力的超级电容器用炭电极材料.
英文摘要：
Hollow carbon nanosphere (HCNS)with a microporous shell was explored to be used as electrodes for supercapacitor.The supercapacitive performances of HCNS in various kinds of neutral aqueous electrolytes (e. g.,K2 SO 4 ,Li2 SO 4 and Na2 SO 4 aqueous solution)were investigated through using cyclic voltammetry,gal-vanostatic charge/discharge and electrochemical impedance spectroscopy measurements.It was found that the HCNS electrode in the neutral aqueous electrolytes showed excellent rate performance and highly efficient elec-trochemical accessible surface area,which was probably attributed to its unique hollow core and microporous shell nanostructure.The as-evidenced good capacitive property endowed HCNS with great application potential to carbon-based supercapacitor.
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