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Improving the cycling stability of silicon nanowire anodes with conducting polymer coatings
Abstract
For silicon nanowires (Si NWs) to be used as a successful high capacity lithium-ion battery anode material, improvements in cycling stability are required. Here we show that a conductive polymer surface coating on the Si NWs improves cycling stability; coating with PEDOT causes the capacity retention after 100 charge–discharge cycles to increase from 30% to 80% over bare NWs. The improvement in cycling stability is attributed to the conductive coating maintaining the mechanical integrity of the cycled Si material, along with preserving electrical connections between NWs that would otherwise have become electrically isolated during volume changes.
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Cited by
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Xin, S., Yin, Y., Guo, Y., & Wan, L. (2014) · Advanced Materials · doi:10.1002/adma.201304126 · Cited by 632
Surface and Interface Engineering of Silicon‐Based Anode Materials for Lithium‐Ion Batteries
Luo, W., Chen, X., Xia, Y., Chen, M., Wang, L., Wang, Q., Li, W., & Yang, J. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201701083 · Cited by 549
Higgins, T. M., Park, S.-H., King, P. J., Zhang, C. (., McEvoy, N., Berner, N. C., Daly, D., Shmeliov, A., Khan, U., Duesberg, G., et al. (2016) · ACS Nano · doi:10.1021/acsnano.6b00218 · Cited by 481
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Metadata
- Authors
- Yao, Y., Liu, N., McDowell, M. T., Pasta, M., & Cui, Y.
- Venue
- Energy & Environmental Science
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 5
- Issue
- 7
- Pages
- 7927
- ISSN
- 1754-5692 (ISSN-L)
- 1754-5706
- OpenAlex
- W2118520066
- Cited by
- 308
- References
- 0
- FWCI
- 20.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yao, Y., Liu, N., McDowell, M. T., Pasta, M., & Cui, Y. (2012). Improving the cycling stability of silicon nanowire anodes with conducting polymer coatings. Energy & Environmental Science. https://doi.org/10.1039/c2ee21437g
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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