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Pursuit of Sustainable Iron-Based Sodium Battery Cathodes: Two Case Studies

Barpanda, Prabeer (2016) Pursuit of Sustainable Iron-Based Sodium Battery Cathodes: Two Case Studies. In: CHEMISTRY OF MATERIALS, 28 (4). pp. 1006-1011.

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Official URL: http://dx.doi.org/10.1021/acs.chemmater.5b03926


Rechargeable batteries have been the torchbearer electrochemical energy storage devices empowering small-scale electronic gadgets to large-scale grid storage. Complementing the lithium-ion technology, sodium-ion batteries have emerged as viable economic alternatives in applications unrestricted by volume/weight. What is the best performance limit for new-age Na-ion batteries? This mission has unravelled suites of oxides and polyanionic positive insertion (cathode) compounds in the quest to realize high energy density. Economically and ecologically, iron-based cathodes are ideal for mass-scale dissemination of sodium batteries. This Perspective captures the progress of Fe-containing earth-abundant sodium battery cathodes with two best examples: (i) an oxide system delivering the highest capacity (similar to 200 mA h/g) and (ii) a polyanionic system showing the highest redox potential (3.8 V). Both develop very high energy density with commercial promise for large-scale applications. Here, the structural and electrochemical properties of these two cathodes are compared and contrasted to describe two alternate strategies to achieve the same goal, i.e., improved energy density in Fe-based sodium battery cathodes.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 02 Apr 2016 07:48
Last Modified: 02 Apr 2016 07:48
URI: http://eprints.iisc.ac.in/id/eprint/53549

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