Electric Double Layer Capacitors (EDLC)

Electric Double Layer Capacitors (EDLC\'s) refer to a particular type of supercapacitor that utilizes reversible ion adsorption onto either chemically activated carbon-based materials or electrochemically oxidized metal surfaces to store energy. When an appropriate voltage is applied, cations are attracted to the negatively polarized surface while anions are attracted to the positively polarized surface. This process charges the electrodes so that the EDLC can generate a sustained electrical current. The fundamental components of an EDLC are the electrodes, the capacitor dielectric, and the electrolyte. 

The various types of EDLCs that exist today are primarily distinguished by the materials used for their electrodes. Solid EDLCs typically use high surface area activated carbon that can readily adsorb and desorb ions while electrochemical EDLCs use an electrochemically oxidized surface.  Solid EDLCs offer good mechanical stability and are much cheaper to produce than electrochemical EDLCs. However, electrochemical EDLCs provide higher energy density and cycle stability over solid EDLCs due to their increased area for ions to collect. 

PM-5R0H104-R Application Field and Working Principle

The PM-5R0H104-R is a Electrochemical Electric Double Layer Capacitor (EDLC) manufactured by Panasonic. It is a high performance capacitor, offering up to 5F of capacitance in a small form factor. The PM-5R0H104-R is optimized for use in portable electronics, automotive, industrial, and consumer electronics applications.

The PM-5R0H104-R utilizes a conventional electrochemical-chemical double layer structure, with an electrode composed of an electrochemically oxidized titanium surface. This offers the unique advantage of utilizing the high reactivity and conductivity of electrochemically oxidized electrodes to store and release charge. When a voltage is applied to the device, cations are attracted to the negatively polarized electrode while anions are attracted to the positively polarized electrode. This process charges the EDLC so that it can generate a sustained electrical current for extended periods of time.

The PM-5R0H104-R is capable of operating in temperatures between -40 degrees and +85 degrees Celsius, and offers high power density, high efficiency, and extended life cycle. The device is also highly reliable and resistant to shock and vibration, making it suitable for extreme environments and applications such as automotive and industrial electronics.

Supercapacitors

Supercapacitors, also known as ultracapacitors, are electrochemical capacitors that combine the attributes of capacitors and batteries. They are typically composed of two carbonaceous electrodes, and an electrolyte solution. The electrodes are divided by an ion-permeable separator, and are capable of storing large amounts of energy.

Unlike batteries, which rely on a chemical reaction to store and release energy, supercapacitors store energy via electric charge separation across the electrode and electrolyte interfaces. When a voltage is applied across the device, cations in the electrolyte are attracted to one electrode while anions are attracted to the other electrode. This stores charge within the devices and provides a sustained current upon completion.

Supercapacitors offer an array of advantages over traditional batteries. They possess virtually unlimited cycle life, can be quickly charged and discharged, providing better energy efficiency than batteries, and require minimal maintenance in operation. They are also smaller than batteries, making them suitable for a range of special applications where size and weight is a consideration.