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Issue 27, 2012
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Energy storage characteristics of a new rechargeable solid oxide iron–air battery

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Abstract

Cost effective and large scale energy storage is critical to renewable energy integration and smart-grid energy infrastructure. Rechargeable batteries have great potential to become a class of cost effective technology suited for large scale energy storage. In this paper, we report the energy storage characteristics of a newly developed rechargeable solid oxide iron–air battery. Investigations of the battery’s performance under various current densities and cycle durations show that iron utilization plays a determining role in storage capacity and round-trip efficiency. Further studies of the battery's cycle life reveal a unique charge-cycle originated degradation mechanism that can be interpreted by a combined vapor-phase transport and electrochemical condensation model. Overall, the energy capacity of the new solid oxide iron–air storage battery should be properly balanced with the round-trip efficiency at optimized iron utilization.

Graphical abstract: Energy storage characteristics of a new rechargeable solid oxide iron–air battery

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Submitted
30 Aug 2012
Accepted
04 Sep 2012
First published
04 Sep 2012

RSC Adv., 2012,2, 10163-10166
Article type
Communication

Energy storage characteristics of a new rechargeable solid oxide iron–air battery

X. Zhao, N. Xu, X. Li, Y. Gong and K. Huang, RSC Adv., 2012, 2, 10163
DOI: 10.1039/C2RA21992A

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