SUPERCAPACITOR
*超级电容器的内阻及容量问题 The problem of internal resistance and capacity of supercapacitors
在充放电过程中，超级电容器的内阻引起的 IR降，会损失电容器的充放电效率，故电容器内阻大小在一定程度上决定了
电容器品质的优劣，而由于超级电容器的内阻要大于普通电容器，在交流电路或高频率充放电过程中，电容会发热，造成寿
命迅速衰减，这也是超级电容一般只用于直流电路的原因。
与普通电容器相比，超级电容器具有较大的时间常数τ，所以充放电时间均较长，也正因为如此，不适合连续的大电流
频繁工作，会引起发热性能迅速衰减。超级电容器的频率特性表现为高频率下，碳电极微孔中的正负离子响应时间较长，故
表现的容量很小。不可采用普通测量电容器设备交流测量容量，而是要采用基于电池测量 mAh方法进行测试。
In the process of charging and discharging, super capacitor resistance caused by the IR drop, lose efficiency of
capacitor charging and discharging, so the size of capacitor resistance to a certain extent, determines the actor bad of
character of capacitor, due to the internal resistance of the super capacitor than normal capacitors, in the process of
communication charge and discharge circuit or high frequency, capacitor will fever, cause life decay quickly, which is the
cause of the super capacitor only commonly used in dc.
Compared with ordinary capacitors, supercapacitors have a larger time constant, so the charge-discharge time is
relatively long, and because of this, it is not suitable for continuous large current to work frequently, which will cause rapid
attenuation of the heating performance. The frequency characteristic of supercapacitors is that the response time of positive
and negative ions in the micro pores of carbon electrode is long at high frequency. Instead of measuring capacitors' ac
capacity, the mAh method based on battery measurement is used.
100F频率@容量
120
100
80
60
40
20
0
0.1
1
10
100
1000
频率（Hz）
*运输及储存 Transport and storage
产品运输过程应防止产品受潮，储存温度应为-30℃~50℃、相对湿度小于 60%，最大湿度不可超过 85%，否则会导致电容
受潮性能劣化或生锈。
Should prevent products be affected with damp be affected with damp in product transportation, storage temperature
should be - 30 ℃ to 50 ℃, relative humidity less than 60%, the maximum humidity no more than 85%, otherwise it will
cause capacitance performance degradation of be affected with damp be affected with damp or rust.
*安装与焊接 Installation and welding
超级电容器用于双面电路板上时，要注意连接处不可经过电容器可触及的地方，否则会导致产品短路过压及电容器损坏。
安装过程及安装后，不可强行扭动或倾斜电容器，不得用力拉拽引线，应先断针及折弯后焊接。在焊接过程中要避免使电容
器过热（1.6mm的印刷线路板，焊接时应为 260℃，时间不超过 5s），焊接后，线路板和电容器要清洗于净。
When the supercapacitor is used on the double-sided circuit board, it should be noted that the connection cannot pass
through the reach of the capacitor, otherwise the product will be short circuit overvoltage and the capacitor will be damaged.
During installation and after installation, do not twist or tilt the capacitor by force. Do not pull the lead by force. Break the
needle and weld after bending. In the welding process to avoid overheating of the capacitor (1.6 mm of printed circuit board,
the welding should be 260 ℃, when time is not more than 5 s), after welding, circuit board and the capacitor to clean in the
net.
8
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