Abstract
Fluorinated graphene/NiCo2O4 nanorods composite was first fabricated through a two-step hydrothermal method combined with thermal annealing treatment. The as-prepared composite has been characterized by XRD, FT-IR, SEM, EDS and electrochemical measurements. The results indicated NiCo2O4 nanorods were disorderly entangled with fluorinated graphene sheets. Served as electrode material, the composite showed high specific capacitance (1356 F/g at 1A/g), and superior cycle stability (remained 91% capacity after 3000 cycles at 5A/g). The excellent electrochemical performances may be due to the synergistic effect between the good electrical conductive fluorinated graphene and nanorod structure of NiCo2O4 particles. The fluorinated graphene/NiCo2O4 nanorods composite exhibits to be a great potential electrode material for supercapacitors.
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Acknowledgements
Support from the National Natural Science Foundation of China (project No. 51804275 and U1704252) is gratefully acknowledged. Moreover, we also thank the China Postdoctoral Science Foundation (No. 2018M632811 and 2019T120638), Key scientific research project plan of Henan colleges and universities (No.19A45001), Science and technology project of Henan province (192102310246), and Program for Innovative Research Team (in Science and Technology) in University of Henan Province (19IRTSTHN028).
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Chao, Y., Peng, W., Wang, W. et al. Facile synthesis of fluorinated graphene/NiCo2O4 nanorods composite with high supercapacitive performance. Appl Nanosci 12, 3177–3184 (2022). https://doi.org/10.1007/s13204-021-02264-x
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DOI: https://doi.org/10.1007/s13204-021-02264-x