Electric Double-layer Capacitor (edlc) | Vitzro Cell

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VITZRO CELL CO., LTD. was established in 1987, Vitzrocell has become the leading global expert in lithium primary batteries. A supercapacitor, also known as an electric double-layer capacitor (EDLC), ultracapacitor, or simply a supercap, is a type of electrochemical energy storage device. Supercapacitors store electrical energy in an electrostatic field and are used for a wide range of applications where rapid energy storage and discharge are required. Unlike traditional batteries, which store energy in chemical reactions, supercapacitors store energy through the separation of electric charges in an electrolyte solution.
Here are some key features and characteristics of supercapacitors:
High Power Density: Supercapacitors have a high-power density, which means they can deliver a large amount of electrical energy quickly. This makes them suitable for applications that require rapid energy discharge, such as regenerative braking in electric vehicles and providing backup power.
Rapid Charging and Discharging: Supercapacitors can be charged and discharged very quickly, often within seconds or milliseconds. This ...
... rapid response time is one of their primary advantages.
Long Cycle Life: Supercapacitors have a long cycle life compared to traditional batteries. They can endure hundreds of thousands to millions of charge and discharge cycles without significant degradation.
Low Energy Density: While supercapacitors excel in power density and cycle life, they have relatively low energy density compared to batteries. This means they can store less energy per unit of weight or volume.
Electrostatic Storage: Supercapacitors store energy electrostatically by separating positive and negative charges at the interface between a porous electrode and an electrolyte. This separation creates an electric double-layer, which stores the energy.
Types of Electrodes: Supercapacitors can have different types of electrodes, such as activated carbon, carbon nanotubes, or conductive polymers. The choice of electrode material affects the performance of the supercapacitor.
Applications: Supercapacitors are used in a variety of applications, including providing short-term backup power, smoothing power fluctuations in electronics, improving the efficiency of regenerative braking systems in hybrid and electric vehicles, and powering devices like flashlights, camera flashes, and energy harvesting systems.
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