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Discussion :: Miscellaneous - Latest Current Affairs (Q.No.478)

478. 

Which IIT institute records initial success by fabricating a rechargeable iron ion battery?

[A]. IIT Roorkee
[B]. IIT Madras
[C]. IIT Kanpur
[D]. IIT Bhubaneswar

Answer: Option B

Explanation:

For the first time, a team of Researchers led by Ramaprabhu Sundara at Indian Institute of Technology(IIT) Madras has fabricated a rechargeable iron ion battery designed using mild steel as the anode. The rechargeable iron ion battery is cost-effective and it will store a high amount of energy in the battery & also displayed good stability with 54% capacity retention at the end of 50 cycles. Vanadium pentoxide is used as the cathode in Iron ion battery & it was chosen as it has a layered structure with very large spacing between the layers. Lithium ions are the charge carriers in lithium-ion battery, the Fe2+ ions perform that function in the case of iron ion battery. This is a significant achievement because lithium-ion batteries are widely in use as of now. But, the lithium reserves are limited when compared to iron reserves.

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