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Hierarchically Structured Co3O4@Pt@MnO2 Nanowire Arrays for High-Performance Supercapacitors

Open access
Xia, Hui, Zhu, Dongdong, Luo, Zhentao, Yu, Yue, Shi, Xiaoqin, Yuan, Guoliang, Xie, Jianping·2013·Scientific Reports

Abstract

Here we proposed a novel architectural design of a ternary MnO2-based electrode - a hierarchical Co3O4@Pt@MnO2 core-shell-shell structure, where the complemental features of the three key components (a well-defined Co3O4 nanowire array on the conductive Ti substrate, an ultrathin layer of small Pt nanoparticles, and a thin layer of MnO2 nanoflakes) are strategically combined into a single entity to synergize and construct a high-performance electrode for supercapacitors. Owing to the high conductivity of the well-defined Co3O4 nanowire arrays, in which the conductivity was further enhanced by a thin metal (Pt) coating layer, in combination with the large surface area provided by the small MnO2 nanoflakes, the as-fabricated Co3O4@Pt@MnO2 nanowire arrays have exhibited high specific capacitances, good rate capability, and excellent cycling stability. The architectural design demonstrated in this study provides a new approach to fabricate high-performance MnO2-based nanowire arrays for constructing next-generation supercapacitors.

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Metadata

Authors
Xia, H., Zhu, D., Luo, Z., Yu, Y., Shi, X., Yuan, G., & Xie, J.
Venue
Scientific Reports
Published
2013-10-17
Volume
3
Issue
1
Pages
2978-2978
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2744286776
Cited by
274
References
1
FWCI
9.89
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Hierarchically Structured Co3O4@Pt@MnO2 Nanowire Arrays for High-Performance Supercapacitors. https://app.cochat.ai/papers/10.1038/srep02978
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Xia, H., Zhu, D., Luo, Z., Yu, Y., Shi, X., Yuan, G., & Xie, J. (2013). Hierarchically Structured Co3O4@Pt@MnO2 Nanowire Arrays for High-Performance Supercapacitors. Scientific Reports. https://doi.org/10.1038/srep02978

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