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Issue 25, 2020
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Construction of heterostructured NiFe2O4-C nanorods by transition metal recycling from simulated electroplating sludge leaching solution for high performance lithium ion batteries

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Abstract

NiFe2O4 has been regarded as one of the promising candidates for lithium-ion battery (LIB) anode materials due to its high theoretical specific capacity. However, the large volume expansion and pulverization of NiFe2O4 during the charge/discharge process result in severe capacity fading. Herein, heterostructured NiFe2O4-C nanorods have been successfully fabricated by recovering transition metals from simulated electroplating sludge leaching solution. The constructed NiFe2O4-C heterointerface plays a vital role in accommodating volume change, stabilizing the reaction products and providing rapid electron and Li+ ion transportation ability, resulting in a high and stable Li+ accommodation performance. The fabricated NiFe2O4-C nanorods demonstrate a high specific capacity (889.9 mA h g−1 at 100 mA g−1), impressive rate capability (861.5, 704.5, 651.4, 579.6 and 502.1 mA h g−1 at 0.2, 0.6, 1.0, 2.0 and 5.0 A g−1) and cycling stability (650.2 mA h g−1 at 2 A g−1 after 500 cycles). This work exemplifies a facile and effective approach for the fabrication of high performance LIB electrode materials by recycling metals from electroplating sludge in an application-oriented manner.

Graphical abstract: Construction of heterostructured NiFe2O4-C nanorods by transition metal recycling from simulated electroplating sludge leaching solution for high performance lithium ion batteries

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Supplementary files

Article information


Submitted
21 Mar 2020
Accepted
21 May 2020
First published
17 Jun 2020

Nanoscale, 2020,12, 13398-13406
Article type
Paper

Construction of heterostructured NiFe2O4-C nanorods by transition metal recycling from simulated electroplating sludge leaching solution for high performance lithium ion batteries

X. Lei, Y. Li, C. Weng, Y. Liu, W. Liu, J. Hu, C. Yang, Z. Lin and M. Liu, Nanoscale, 2020, 12, 13398
DOI: 10.1039/D0NR02290J

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