SCCY62B307VSB

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Electric Double Layer Capacitors (EDLC), also called Supercapacitors, are energy storage and delivery devices. They store and deliver power quickly, while exhibiting different performance to traditional capacitors. SCCY62B307VSB is an EDLC, which is usually used for energy storage and delivery in harsh environments and extreme temperature applications. This paper will introduce the application field of SCCY62B307VSB and the working principle of EDLC.

Application field of SCCY62B307VSB

SCCY62B307VSB is widely used for high temperature and harsh environment applications such as automotive, industrial equipment, military equipment and aerospace applications. It is especially suitable for applications where power needs to be supplied or recovered rapidly, as its electrical energy delivery is at least four times faster than that of equivalent batteries.

For automotive applications, SCCY62B307VSB can be utilized in start-stop systems, engine idling systems and supplemental power systems. As a start-stop system, the SCCY62B307VSB is used to provide a quick electric surge to start and restart vehicles. This EDLC releases energy within a second, providing a smooth start for engines and improving the efficiency of vehicles.

In the military and aerospace sector, SCCY62B307VSB is used for power protection and for providing a clean, safe power supply. Moreover, EDLCs can provide reliability and performance in applications where primary power is not available or is unreliable.

Apart from these sectors, the SCCY62B307VSB has many other potential applications in the Industrial Internet of Things (IIoT) and renewable energy storage systems. EDLCs can provide efficient power sources, especially in high power density applications.

Working principle of EDLC

In general, the working principle of an EDLC can be divided into two parts. Firstly, when voltage is applied, as the voltage increases, the capacitance also increases; secondly, when the voltage is constant, the capacitance tends to reach a final value.

To analyze the working principle of EDLC in depth, let’s look at the structure of EDLC first. EDLCs are usually composed of two electrodes, a separator, and a liquid electrolyte. When a voltage is applied to the EDLC, the electrolyte molecules in the separator react with the electrodes and form a double electric layer, storing energy by charging the capacitor. With further increases in voltage, more electrolyte molecules will gather at the electrodes, and the capacitance continues to increase.

Once the applied voltage reaches a certain value and is kept constant, the amount of electrolyte molecules gathering at the electrodes reaches the maximum, and the capacitance reaches a steady state. When a current is applied across the EDLC, the electrolyte molecules on the electrodes disperse to form a stable layered structure again, discharging the EDLC and releasing the stored energy.

The performance of EDLCs can be increased by improving the materials and structural design of the components. For example, by using carbon materials and nanomaterials to improve the capacitance of the EDLC, its power rate can be improved significantly, which is especially important for applications where power needs to be supplied or recovered rapidly.

In conclusion, SCCY62B307VSB belongs to the category of Electric Double Layer Capacitors (EDLC) or Supercapacitors, which are used widely in automotive, industrial, military and aerospace applications. The working principle of EDLC is based on the principle of increasing capacitance when voltage is applied, and it relies on the structure, material and design of the components to improve its performance.

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