IIT Guwahati Researchers Develop New Material To Make Batteries Store More Energy

GUWAHATI: A team of researchers of the Indian Institute of Technology (IIT), Guwahati and Bhabha Atomic Research Centre (BARC) have developed a solution to make batteries store more energy. The team prepared a new material which can improve the efficiency of electrodes in supercapacitor devices.

A study was carried out by the team recently. It was led by Dr. Uday Narayan Maiti and Prof. Subhradip Ghosh of IIT, Guwahati and Dr. N. Padma of BARC, Mumbai. The study was under a project of the Department of Atomic Energy's Board of Research in Nuclear Science (BRNS).

As per the researchers, the study has revealed that a supercapacitor which is based on electrodes made with the new material (which they prepared) can withstand charging and discharging more than 10,000 times in comparison to general batteries which begin to show signs of degradation in about 300-500 cycles of charging and discharging. With the new material, batteries can get charged to their full capacities in a very short span of time. Also, they can store as much energy as 30 watt-hours per kilogram. Apart from that, it can deliver power at a substantially faster rate, the researchers said.

They also claimed that the supercapacitors are able to attain the highest power density of 1.13 kilowatt per kilogram of the electrode material, which is almost double of the current generation lithium-ion batteries.

IIT, Guwahati, which was established in the year 1994, is the sixth IIT established in India. In the NIRF India Rankings, 2020 the institution was ranked seventh in both engineering and overall category.

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