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Issue 104, 2016, Issue in Progress
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In situ carbon-coating and Ostwald ripening-based route for hollow Ni3S4@C spheres with superior Li-ion storage performances

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Abstract

Uniform hollow carbon-coated polydymite (Ni3S4) microspheres were synthesized in a solution via an in situ carbon-coating and Ostwald ripening-based route. The thin carbon coating layer and the hollow core enhanced the electrochemical performance of Ni3S4 as a Li-ion battery anode. At a current density of 0.1C (about 100 mA g−1), they exhibited an extremely high reversible capacity of about 1003 mA h g−1. These polydymite-based composites also displayed a long stable cycling performance and a high capacity retention, with a reversible capacity of 480 mA h g−1 at 1C rate and a capacity retention of about 83% after 500 cycles.

Graphical abstract: In situ carbon-coating and Ostwald ripening-based route for hollow Ni3S4@C spheres with superior Li-ion storage performances

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Publication details

The article was received on 30 Aug 2016, accepted on 11 Oct 2016 and first published on 11 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA21677C
Citation: RSC Adv., 2016,6, 101752-101759
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    In situ carbon-coating and Ostwald ripening-based route for hollow Ni3S4@C spheres with superior Li-ion storage performances

    S. Ji, L. Zhang, L. Yu, X. Xu and J. Liu, RSC Adv., 2016, 6, 101752
    DOI: 10.1039/C6RA21677C

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