Single-cell small-capacitance supercapacitors mainly refer to products with a rated voltage of 2.7V in a single cell and with a capacitance range of 1F-60F.
This type of supercapacitor has short charging time and good high and low temperature characteristics (-40℃~+70℃.
Ultra-long service life, it is an ideal backup power supply for clock chips, data transmission systems and other small current power supplies.
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Why is the capacitance of supercapacitors so large?
Supercapacitors are structurally very similar to electrolytic capacitors, their main difference being the electrode material. The electrodes of the early supercapacitors were made of carbon. The carbon electrode material has a large surface area, and the capacitance depends on the distance between the surface area and the electrode. The large surface area of the carbon electrode and the small electrode distance make it possible for the supercapacitor capacitance to be very large. Most supercapacitors can be farad level, and the capacitance range can reach 1-5000F under normal circumstances.
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