500F 2.7 V Super Capacitor Screw Type Very High Charge And Discharge Rates

Screw Type Super Capacitor 2.7V 500F Very High Charge And Discharge Rates

The process flow of the supercapacitor is: batching→mixing→electrode making→cutting→assembling→liquid injection→activation→testing→packaging.

Supercapacitors are structurally very similar to electrolytic capacitors, their main difference being the electrode materials. The electrodes of early supercapacitors use carbon. The carbon electrode material has a large surface area, and the capacitance depends on the surface area and the distance between the electrodes. The large surface area of ​​this carbon electrode plus the small electrode distance make the capacitance of the supercapacitor It can be very large, and most supercapacitors can achieve Farad level, and the capacitance range can reach 1-5000F under normal circumstances.

A supercapacitor usually consists of four components: double electrodes, electrolyte, current collector, and separator. Supercapacitors use the electric double layer structure composed of activated carbon porous electrodes and electrolytes to obtain super large capacitance. In a supercapacitor, activated carbon materials are used to make porous electrodes, and an electrolyte solution is filled between two opposite porous carbon electrodes. The positive and negative ions in the battery will gather to the interface opposite to the positive and negative plates due to the action of the electric field, thus forming a double collector layer.

Features of super capacitors:

(1) The charging speed is fast, and it can reach more than 95% of its rated capacity by charging for 10 seconds to 10 minutes;
(2) The cycle life is long, the frequency of deep charge and discharge cycles can reach 10,000 to 500,000 times, there is no "memory effect", and there is no problem of over-discharge;
(3) The high current discharge capacity is super strong, the energy conversion efficiency is high, the process loss is small, and the high current energy cycle efficiency is ≥90%;
(4) High power density, up to 300W/KG~5000W/KG, equivalent to 5~10 times of battery;
(5) The raw material composition, production, use, storage and dismantling process of the product are not polluted, and it is an ideal green power source;
(6) The charging circuit is simple, no charging circuit like rechargeable battery is needed, and long-term use is maintenance-free;
(7) Good ultra-low temperature characteristics, temperature range -40 ° C ~ +70 ° C;
(8) Easy to detect, the remaining power can be read directly;
(9) The capacity range is usually 0.01F--1000F, and the withstand voltage is often low (a few volts to more than ten volts, and the newly developed one is only more than twenty volts).
Supercapacitors can be made into super capacitor modules for high capacity requirements.

Supercapacitor should be a general term for capacitors with extremely high energy storage density and fast discharge performance. The supercapacitors produced by our factory have super power, super high current, super wide working range, super high safety, super long life, etc. The characteristics of energy storage and the combined use with other energy storage products have become mainstream.

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