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Sun Z, Ai W, Liu J, et al. Facile fabrication of hierarchical ZnCo2O4/NiO core/shell nanowire arrays with improved lithium-ion battery performance. Nanoscale. 2014;6(12):6563-8doi: 10.1039/c4nr00533c.
Sun, Z., Ai, W., Liu, J., Qi, X., Wang, Y., Zhu, J., Zhang, H., & Yu, T. (2014). Facile fabrication of hierarchical ZnCo2O4/NiO core/shell nanowire arrays with improved lithium-ion battery performance. Nanoscale, 6(12), 6563-8. https://doi.org/10.1039/c4nr00533c
Sun, Zhipeng, et al. "Facile fabrication of hierarchical ZnCo2O4/NiO core/shell nanowire arrays with improved lithium-ion battery performance." Nanoscale vol. 6,12 (2014): 6563-8. doi: https://doi.org/10.1039/c4nr00533c
Sun Z, Ai W, Liu J, Qi X, Wang Y, Zhu J, Zhang H, Yu T. Facile fabrication of hierarchical ZnCo2O4/NiO core/shell nanowire arrays with improved lithium-ion battery performance. Nanoscale. 2014 Jun 21;6(12):6563-8. doi: 10.1039/c4nr00533c. PMID: 24796419.
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Nanoscale. 2014 Jun 21;6(12):6563-8. doi: 10.1039/c4nr00533c.

Facile fabrication of hierarchical ZnCo2O4/NiO core/shell nanowire arrays with improved lithium-ion battery performance.

Nanoscale

Zhipeng Sun, Wei Ai, Jilei Liu, Xiaoying Qi, Yanlong Wang, Jianhui Zhu, Hua Zhang, Ting Yu

Affiliations

  1. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore. [email protected].

PMID: 24796419 DOI: 10.1039/c4nr00533c

Abstract

We report a facile and controllable strategy for the fabrication of three-dimensional (3D) ZnCo2O4/NiO core/shell nanowire arrays (ZCO/NiO NWs) on nickel (Ni) foam substrates by a simple, cost-effective, two-step, solution-based method. Ultra-thin NiO nanosheets are revealed to grow uniformly on the porous ZnCo2O4 nanowires with many interparticle mesopores, resulting in the formation of 3D core/shell nanowire arrays with hierarchical architecture. In comparison with the pristine ZnCo2O4 nanowire arrays (ZCO NWs), the ZCO/NiO NWs exhibit significantly improved Li storage properties, in terms of higher capacity, enhanced rate capability and improved cycling stability when applied as binders and additive-free anode materials for lithium-ion batteries. The superior Li storage performance of the ZCO/NiO NWs could be attributed to the synergetic effect between the ZnCo2O4 core and the NiO shell, as well as its unique hierarchical architecture, which ensures a large specific surface area and good conductivity. Our results may offer very useful guidelines in scrupulously designing 3D core/shell nanowire-array electrodes using cheap, earth-abundant materials in energy storage applications.

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