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Title: Electrospun carbon nanofibers as anode materials for sodium ion batteries with excellent cycle performance
Authors: Chen, T.
Liu, Y.
Pan, L.
Lu, T.
Yao, Y.
Sun, Z.
Chua, D.H.C. 
Chen, Q.
Issue Date: 28-Mar-2014
Citation: Chen, T., Liu, Y., Pan, L., Lu, T., Yao, Y., Sun, Z., Chua, D.H.C., Chen, Q. (2014-03-28). Electrospun carbon nanofibers as anode materials for sodium ion batteries with excellent cycle performance. Journal of Materials Chemistry A 2 (12) : 4117-4121. ScholarBank@NUS Repository.
Abstract: A simple and scalable electrospinning process followed by thermal treatment was used to fabricate carbon nanofibers (CFs). The as-prepared CFs were investigated as anode materials for sodium ion batteries (SIBs). Remarkably, due to their weakly ordered turbostratic structure and a large interlayer spacing between graphene sheets, the CFs exhibit a dominant adsorption/insertion sodium storage mechanism that shows high reversibility. As a result, the CFs show excellent electrochemical performance, especially cycle stability (97.7% capacity retention ratio over 200 cycles). Reversible capacities of 233 and 82 mA h g-1 are obtained for the CFs at a current density of 0.05 A g-1 and even a high current density of 2 A g-1, respectively. The excellent cycle performance, high capacity and good rate capability make the CFs promising candidates for practical SIBs. © 2014 The Royal Society of Chemistry.
Source Title: Journal of Materials Chemistry A
ISSN: 20507488
DOI: 10.1039/c3ta14806h
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