PB-5R0H474-R

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Electric Double Layer Capacitors (EDLCs), also known as supercapacitors, are electrical components with the ability to store significant amounts of energy. They are particularly useful when applications require short-term, but large amounts of energy, such as providing peak power. A typical example is the PB-5R0H474-R manufactured by KEMET.

PB-5R0H474-R Application Fields

The PB-5R0H474-R is capable of providing power in a range of different application fields, such as:

• Automotives – to offer peak power delivery during acceleration.
• Consumer electronics – to provide short-term energy when the main power source cannot handle the peak power delivery.
• Industrial – to handle peak power delivery in situations such as welding.
• Renewable energy – to store and provide energy for solar and wind applications when renewable sources are not producing electricity.

The PB-5R0H474-R is a particularly successful supercapacitor due to its ability to provide a high energy density, low self-discharge, reliable performance and high cycle life. It also has a small footprint, yet providing high power absorption and release.

PB-5R0H474-R Working Principle

Electric double layer capacitors are based on the principle of charge separation which occurs when two conducting surfaces, such as electrodes, are placed in contact with an electrolyte solution in which ions are dissolved. The result is a double layer formed on the electrode surfaces which stores static charge. Since the PB-5R0H474-R is an EDLC, it has this property which allows it to store and release energy quickly.

The PB-5R0H474-R works on the principle of two types of electrodes, an activated carbon electrode and a metal oxide electrode. The activated carbon electrode adsorbs ions which come in contact with its surface and form an electric double layer, while the metal oxide electrode separates absorbed ions into two layers of charged ions. This results in a storage of static charge which can then be used as needed to provide short bursts of energy.

The PB-5R0H474-R is also able to manage large currents very quickly. When an electrical current is applied, the double layer of charge in the EDLC is broken, allowing ions to flow from the capacitors. This ion flow is what provides the burst of energy when needed. This fast reaction time, along with the ability to absorb and release large amounts of energy quickly, makes the PB-5R0H474-R an ideal choice for applications requiring short bursts of power.

The PB-5R0H474-R is a prime example of a versatile supercapacitor. Its ability to absorb and release large amounts of energy quickly, as well as its long cycle life, makes it suitable for a wide range of applications. Its compact size combined with high energy density makes it an ideal choice for applications such as consumer electronics, automotive and renewable energy, as well as industrial applications such as welding.

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