Electric Double Layer Capacitors (EDLC), SupercapacitorsElectric double layer capacitors, also known as EDLCs or supercapacitors, are a type of capacitor that uses an electrochemical reaction to store electrical charge. These capacitors are commonly used in applications that require a high power density and a long lifespan, such as energy storage systems and hybrid electric vehicles. EDLCs are known for their high energy density and fast charging and discharging capabilities, which make them well-suited for applications that require rapid energy transfer. They are also relatively stable and reliable, and have a long lifespan compared to other types of capacitors. However, EDLCs typically have a lower capacitance than other types of capacitors, so they may not be suitable for applications that require a high level of capacitance.