Please use this identifier to cite or link to this item: https://doi.org/10.1021/am401779p
Title: Morphologically robust NiFe2O4 nanofibers as high capacity Li-Ion battery anode material
Authors: Cherian, C.T.
Sundaramurthy, J.
Reddy, M.V. 
Suresh Kumar, P.
Mani, K.
Pliszka, D. 
Sow, C.H. 
Ramakrishna, S. 
Chowdari, B.V.R. 
Keywords: anode
electrospinning
impedance
Li-ion battery
nanofibers
NiFe2O4
Issue Date: 2013
Source: Cherian, C.T., Sundaramurthy, J., Reddy, M.V., Suresh Kumar, P., Mani, K., Pliszka, D., Sow, C.H., Ramakrishna, S., Chowdari, B.V.R. (2013). Morphologically robust NiFe2O4 nanofibers as high capacity Li-Ion battery anode material. ACS Applied Materials and Interfaces 5 (20) : 9957-9963. ScholarBank@NUS Repository. https://doi.org/10.1021/am401779p
Abstract: In this work, the electrochemical performance of NiFe2O 4 nanofibers synthesized by an electrospinning approach have been discussed in detail. Lithium storage properties of nanofibers are evaluated and compared with NiFe2O4 nanoparticles by galvanostatic cycling and cyclic voltammetry studies, both in half-cell configurations. Nanofibers exhibit a higher charge-storage capacity of 1000 mAh g-1 even after 100 cycles with high Coulmbic efficiency of 100 % between 10 and 100 cycles. Ex situ microscopy studies confirmed that cycled nanofiber electrodes maintained the morphology and remained intact even after 100 charge-discharge cycles. The NiFe2O4 nanofiber electrode does not experience any structural stress and eventual pulverisation during lithium cycling and hence provides an efficient electron conducting pathway. The excellent electrochemical performance of NiFe2O4 nanofibers is due to the unique porous morphology of continuous nanofibers. © 2013 American Chemical Society.
Source Title: ACS Applied Materials and Interfaces
URI: http://scholarbank.nus.edu.sg/handle/10635/85435
ISSN: 19448244
DOI: 10.1021/am401779p
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