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Supercapacitors UPSC NOTE

 Why in news

  • Researchers at the Government College for Women, Thiruvananthapuram, have devised a method to produce activated carbon, suitable for supercapacitor fabrication, from coconut husks 

  • The coconut husk biowaste-derived activated carbon holds immense promise for sustainable and efficient green solutions for high-performance supercapacitors owing to its availability, low cost, and eco-friendly nature.


  • A supercapacitor is an electrochemical energy storage device

  • It can be used to store and deliver charge by reversible adsorption and desorption of ions at the interface between the electrode material and electrolyte. 

  • Supercapacitors are also called ultracapacitors or electrochemical capacitors.

Its uses

  • One of the earliest supercapacitor applications was as a backup to primary batteries

  • It can be found in uninterruptable power supplies (UPSs), wireless alarm systems, smart meters, and even solid-state drives (SSDs).

  • Widely used to provide power in pulse applications, telemetry, peak power assist and electronic locks

  • Now commonly used as energy harvesters to capture and store collected energy from solar cells, wind turbines, ocean waves and other external sources to power low-energy electronics



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Supercapacitors UPSC NOTE
Supercapacitors UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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