Supercapacitor battery is a kind of power supply element with special functions between traditional capacitors and batteries. Its basic principle is the same as other types of electric double layer capacitors. Both of them use the double layer structure composed of activated carbon porous electrodes and electrolytes to obtain super capacity. During this period, no chemical reaction occurs, so it is classified as a physical battery.

The structure of supercapacitor is composed of porous electrode data with high specific surface area, collector fluid, porous battery barrier and electrolyte. These data may vary slightly due to the manufacturer or specific application needs. All Farad capacitor The commonness is that they all contain a positive electrode, a negative electrode, and the gap between the two electrodes. The electrolyte fills the two pores separated by the two electrodes and the gap.

Its repeated charge and discharge reaches hundreds of thousands of times (traditional chemical batteries only need hundreds to thousands of times), and its life is much higher than that of chemical batteries. secondly, Super capacitor manufacturer During charging and discharging, the power density is extremely high, and a large amount of electric energy can be released instantly, which can satisfy the wider power demand of vehicles; Third, the adaptability to the working environment is better. Generally, when the outdoor temperature is - 40 ℃ - 65 ℃, it can work stably and normally (traditional batteries are generally - 20 ℃ - 60 ℃).

There are two defects in supercapacitor itself: first, safety. Too fast charging speed and too high discharge efficiency make safety more difficult to control; The second is the low safety voltage, which limits the safety of the vehicle lithium battery Now, it is only used in the start stop system of automobiles and the field of pure supercapacitor buses.

Super capacitor module As an energy storage system with large energy storage, fast charging and discharging speed, wide operating temperature range, safe and reliable operation, and no need for maintenance, with the development of super capacitor technology, it will gradually replace the battery, and its application field will continue to expand. In addition, the super capacitor is small in size, large in capacity (the capacitance is 30~40 times larger than the electrolytic capacitor of the same volume), short in charge and discharge time, simple in charging circuit requirements, no memory effect, free of protection, and can be sealed. Therefore, it is now mainly used in vehicle starting system, military and a small number of public transport vehicles.