Results showed that the CNF had good cycle characteristics, but the irreversible capacity was high which was considered to be related to the high specific surface area and the low graphitized degree.

• 结果表明:纳米碳纤维的循环性能良好,首次不可逆容量很大,这与纳米碳纤维的比表面积大及所用材料石墨化程度低有关。