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Enhanced lithium storage in ZnFe2O4-C nanocomposite produced by a low-energy ball milling

Thankachan, Rahul Mundiyaniyil, Rahman, Md Mokhlesur, Sultana, Irin, Glushenkov, Alexey M., Thomas, Sabu, Kalarikkal, Nandakumar and Chen, Ying 2015, Enhanced lithium storage in ZnFe2O4-C nanocomposite produced by a low-energy ball milling, Journal of power sources, vol. 282, pp. 462-470, doi: 10.1016/j.jpowsour.2015.02.039.

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Title Enhanced lithium storage in ZnFe2O4-C nanocomposite produced by a low-energy ball milling
Author(s) Thankachan, Rahul Mundiyaniyil
Rahman, Md Mokhlesur
Sultana, Irin
Glushenkov, Alexey M.
Thomas, Sabu
Kalarikkal, Nandakumar
Chen, YingORCID iD for Chen, Ying orcid.org/0000-0002-7322-2224
Journal name Journal of power sources
Volume number 282
Start page 462
End page 470
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-05-15
ISSN 0378-7753
Keyword(s) Lithium-ion batteries
Low energy ball milling
Sol-gel synthesis
Super P Li™ carbon black host
ZnFe2O4-C nanocomposite anode
Summary Preparation of novel nanocomposite structure of ZnFe2O4-C is achieved by combining a sol-gel and a low energy ball milling method. The crucial feature of the composite's structure is that sol-gel synthesised ZnFe2O4 nanoparticles are dispersed and attached uniformly along the chains of Super P Li™ carbon black matrix by adopting a low energy ball milling. The composite ZnFe2O4-C electrodes are capable of delivering a very stable reversible capacity of 681 mAh g-1 (96% retention of the calculated theoretical capacity of ∼710 mAh g-1) at 0.1 C after 100 cycles with a remarkable Coulombic efficiency (82%) improvement in the first cycle. The rate capability of the composite is significantly improved and obtained capacity was as high as 702 at 0.1, 648 at 0.5, 582 at 1, 547 at 2 and 469 mAh g-1 at 4 C (2.85 A g-1), respectively. When cell is returned to 0.1 C, the capacity recovery was still ∼98%. Overall, the electrochemical performance (in terms of cycling stability, high rate capability, and capacity retention) is outstanding and much better than those of the related reported works. Therefore, our smart electrode design enables ZnFe2O4-C sample to be a high quality anode material for lithium-ion batteries.
Language eng
DOI 10.1016/j.jpowsour.2015.02.039
Field of Research 091202 Composite and Hybrid Materials
100708 Nanomaterials
091205 Functional Materials
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071629

Document type: Journal Article
Collection: Institute for Frontier Materials
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