Electrical energy storage devices have a key role in future world and supercapacitors are an attractive option in this domain.

Supercapacitors are much better than today's lithium-ion batteries in some features such as rate of charge and discharge (power density), life and thermal performance but they are much heavier, bulkier and more expensive compared to lithium batteries.

Research on supercapacitors is being pursued and it is likely that advanced supercapacitors with enhanced energy density be commercialized in near future.

It is predicted that supercapacitor market size would grow 10 fold in the next decade and a major part of this growth is due to electric and hybrid vehicles.

Hybrid systems with supercapacitor and battery in which the supercapacitor plays a supporting role for battery is the most probable. 

Keywords: #supercapacitor  , #energy storage  ,  #electrical energy .

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