Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140572
Title: Melt-spun Fe–Sb intermetallic alloy anode for performance enhanced sodium-ion batteries
Authors: Edison, Eldho
Sivaramapanicker, Sreejith
Srinivasan, Madhavi
Keywords: Engineering
Science
Issue Date: 2017
Source: Edison, E., Sivaramapanicker, S., & Srinivasan, M. (2017). Melt-spun Fe–Sb intermetallic alloy anode for performance enhanced sodium-ion batteries. ACS Applied Materials & Interfaces, 9(45), 39399–39406. doi:10.1021/acsami.7b13096
Journal: ACS Applied Materials & Interfaces
Abstract: Owing to the high theoretical sodiation capacities, intermetallic alloy anodes have attracted considerable interest as electrodes for next-generation sodium-ion batteries (SIBs). Here, we demonstrate the fabrication of intermetallic Fe–Sb alloy anode for SIBs via a high-throughput and industrially viable melt-spinning process. The earth-abundant and low-cost Fe–Sb-based alloy anode exhibits excellent cycling stability with nearly 466 mAh g–1 sodiation capacity at a specific current of 50 mA g–1 with 95% capacity retention after 80 cycles. Moreover, the alloy anode displayed outstanding rate performance with ∼300 mAh g–1 sodiation capacity at 1 A g–1. The crystalline features of the melt-spun fibers aid in the exceptional electrochemical performance of the alloy anode. Further, the feasibility of the alloy anode for real-life applications was demonstrated in a sodium-ion full-cell configuration which could deliver a sodiation capacity of over 300 mAh g–1 (based on anode) at 50 mA g–1 with more than 99% Coulombic efficiency. The results further exhort the prospects of melt-spun alloy anodes to realize fully functional sodium-ion batteries.
URI: https://hdl.handle.net/10356/140572
ISSN: 1944-8252
DOI: 10.1021/acsami.7b13096
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsami.7b13096
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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