Title

Novel Nano-silicon / Polypyrrole Composites for Lithium Storage

RIS ID

21168

Publication Details

Chew, S., Guo, Z., Wang, J., Chen, J., Munroe, P., Ng, S., Zhao, L. and Liu, H. K. (2007). Novel Nano-silicon / Polypyrrole Composites for Lithium Storage. Electrochemistry Communications, 9 941-946.

Abstract

A novel nano-silicon/polypyrrole composite, suitable for lithium-ion battery anodes, was prepared by chemical polymerization. The cycling stability of Si/PPy electrodes was significantly improved compared to that of the bare Si anodes. The electrochemical performance of the Si/PPy electrodes is comparable to that of Si/DC nanocomposite electrodes. The vast network of the PPy matrix is a suitable environment to increase the electrical conductivity, buffer the volume change during cycling, and prevent cracking and pulverization of the Si electrode.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.elecom.2006.11.028