A supercapacitor is rated in farads and is thousand times higher than an electrolytic capacitor. It is used for storing energy and undergoing frequent charge and discharge cycles at a higher and shorter durations. Thus, supercapacitors are a holistic combination of the properties of traditional batteries and capacitor.
Supercapacitors are used for regenerative braking, burst-mode power delivery or short-term energy storage within cranes, trains, buses, cars, elevators and hybrid electric vehicles (HEV). Smaller units of supercapacitors are used as memory backup for static random-access memory (SRAM). Moreover, supercapacitors are also used in applications involving solar power, batteries, battery back-up, and flash-lights.
A supercapacitor varies from the normal capacitor in two ways: the plates of a supercapacitor have a larger surface area and the distance between them is much smaller, as compared to the conventional capacitors. The separator between these plates works in a different way than the conventional dielectric. A supercapacitor act like an ordinary capacitor, however, it can store extremely large amounts of energy. However, a normal supercapacitor can store a charge upto several thousand farads.
The capability to charge and discharge instantaneously as compared to other lithium polymer & lithium-ion battery offers it a competitive edge. This is due to supercapacitor builds up static electric charges on solids, while a conventional battery charges slowly through chemical reactions.
The major driving factors for global supercapacitors market are advanced developments in the storage technology with the emerging market segments such as hybrid electric vehicles (HEV), smart grids, and renewable energy systems, and capability of supercapacitors to provide emergency shutdown power or backup to low-power equipment such as RAM, SRAM, micro-controllers and PC Cards.
Additionally, supercapacitors are agile than conventional batteries; plus growing demand for stabilized power supply in applications with fluctuating loads, such as laptop computers, GPS, portable media players, hand-held devices are also one of the factors contributing to the market size.
On the basis of material, the supercapacitors market size spans electrodes, electrolytes and separators.
On the basis of applications, the supercapacitors market size comprises consumer electronics, industrial automation, power & energy, transport and medical.
On the basis of technology, the supercapacitors market size spans organic electrolyte super capacitor and aqueous electrolyte super capacitor.
On the basis of geography, the global supercapacitors market spans North America, Europe, APEJ, Middle-East & Africa.
The key players in the global market include Advanced Capacitor Technologies, Inc., Axion Power International, Inc., ELTON, Inc., FastCAP Systems, Inc., CAP-XX Ltd., EEStor Corporation, Graphene Energy, Inc., Maxwell Technologies, Inc., and Nesscap Energy, Inc.
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