通过恒流充放电法测试不同电容器的电容性能，并考察了超级电容器的电容衰减率、循环稳定性和循环寿命。
Capacitive performance of various supercapacitors is tested by galvanostatic charge and discharge. And capacitive decay rate, cyclical stability and cycle life are also investigated.
从电路噪声的角度分析了直流充放电法和交流激励法电容测量技术的性能，得出交流法在增加电路复杂度极小的条件下，可获得较高的电容分辨率。
The DC charge based and ac based capacitance measurement technologies are analysised from the point of noise performance, which is the key factor to determine the resolution of measurement.
但是该材料导电率较低，在大电流充放电的条件下，放电性能有待改善。
However, those materials have some problems, such as low electronic conductivity and low rate capability.
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