Abstract
The novel Three-dimensional rambutan-like NiCo2O4 microspheres have been successfully coated onto surface of carbon nanofibers (CNFs) to form NiCo2O4–CNFs hybrids. The composition and microstructure of NiCo2O4–CNFs were characterized by the field-emission scanning elec-tronmicroscopy, x-ray photoelectron spectroscopy, transmission electron microscopy, and x-ray diffractometer. The obtained NiCo2O4–CNFs exhibited a specific capacity of 160 mAh/g at 1 mA/cm2 in 2 M potassium hydroxide aqueous solution. The specific capacity gradually increases with the increasing of cycles; and after 3000 cycles, the specific capacity still can be remained over 90%.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (Grant no. 51373155), Collaborative Innovation Center for Modern Textile Technology of Zhejiang Province (2011-Program) (Grant no. 20160202) and “521 Talents Training Plan” in Zhejiang Sci-Tech University (ZSTU).
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Chen, H., Jiang, G., Yu, W. et al. Electrospun carbon nanofiberic coated with ambutan-like NiCo2O4 microspheres as electrode materials. MRS Communications 7, 90–96 (2017). https://doi.org/10.1557/mrc.2017.11
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DOI: https://doi.org/10.1557/mrc.2017.11