Relevance: Prelims: Science and technology
Why in news?
- Scientists at the Institute of Nano Science and Technology (INST) have developed a stable material for pseudocapacitors or supercapacitors which store electrical energy by electron charge transfer.
About:
- INST has formulated an interesting synthetic strategy to overcome the long-standing challenges of pseudocapacitors, their cycling stability, and rate capability.
- The material can offer a low-cost scalable energy storage solution as an alternative to batteries.
- Pseudocapacitors are a type of supercapacitor that store electrical energy by electron charge transfer.
- The team has developed the pseudocapacitive material, a hybrid xerogel structure (a solid formed from a gel by drying with unhindered shrinkage), for the very first time.
- The hybrid material was fabricated by the integration of a well-known organic molecule, dopamine onto a conductive matrix, like graphene.
- This class of xerogel architectures, although reported in the literature as alternatives to conventional pseudocapacitors, lack sufficient cycling stability to replace batteries in the consumer market.
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