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Issue 6, 2011
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Kinetics-driven high power Li-ion battery with a-Si/NiSix core-shell nanowire anodes

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Abstract

We report amorphous-Si nanowire shell anodes, supported by NiSixnanowire cores, by catalyst-free two-step SiH4 chemical vapor deposition, where the metallic core acts as a mechanical supporter and a kinetically unlimited charge supplier. We have achieved highly reversible capacitance of over 3000 mAh gāˆ’1 even at a 2C rate, with stable cyclic retention which stems from the altered electrochemical reactions with relatively small volume expansion routes by a kinetic effect.

Graphical abstract: Kinetics-driven high power Li-ion battery with a-Si/NiSix core-shell nanowire anodes

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Publication details

The article was received on 14 Dec 2010, accepted on 16 Mar 2011 and first published on 25 Mar 2011


Article type: Edge Article
DOI: 10.1039/C0SC00628A
Chem. Sci., 2011,2, 1090-1093

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    Kinetics-driven high power Li-ion battery with a-Si/NiSix core-shell nanowire anodes

    K. Kang, K. Song, H. Heo, S. Yoo, G. Kim, G. Lee, Y. Kang and M. Jo, Chem. Sci., 2011, 2, 1090
    DOI: 10.1039/C0SC00628A

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