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• W4385807304 abstract "ABSTRACTCo3O4 has been considered a promising anode material because of its high theoretical capacity (890 mAh/g) and remarkable energy density. Unfortunately, it suffers from low initial coulombic efficiency, rapid capacity fading, poor electronic conductivity, large volume changes, and aggregation during the lithium ion intercalation/deintercalation process. In this work, a series of Fe2+-doped Co3O4 nanostructured materials Co3(1-x)Fe3xO4 (x = 0, 0.01, 0.02 and 0.03) were produced by a simple chemical co-precipitation method. The Fe doping led to a slight increase of the lattice parameter, which is beneficial to the rapid diffusion of Li+ ion during the lithiation/delithiation process. Meanwhile, the Fe-doped Co3O4 sample exhibited an excellent rate capability of 886.47 mAh/g at 500 mA/g, and outstanding cyclic stability (1156.91 mAh/g for 50 cycles, with the capacity retention rate of 83.53% at the current density of 100 mA/g), demonstrating improved electrochemical performance, compared with that of pure Co3O4. The good electrochemical performance profited from the formation of oxygen vacancies by Fe doping, which provided more space for Li+ diffusion and improved the electronic conductivity of the anode material. This work provides a simple way to improve the comprehensive electrochemical performance of the transitional metal oxide Co3O4 anode electrodes for lithium-ion batteries.KEYWORDS: Fe-dopedCo3O4 anodeelectrical conductivityLi+ diffusionelectrochemical performance AcknowledgementsThis research is financially supported by Natural Science Foundation of China (U22A20120, 52071135, 51871090 and U1804135), the Natural Science Foundation of Hebei Province for Innovation Groups Program (C2022203003) and Fundamental Research Funds for the Universities of Henan Province (NSFRF220201).Disclosure statementNo potential conflict of interest was reported by the author(s).Data availability statementThe data that support the findings of this study are available from the corresponding author upon reasonable request.Additional informationFundingThe work was supported by the Natural Science Foundation of China [U22A20120, 52071135, 51871090 and U1804135]; Natural Science Foundation of Hebei Province for Innovation Groups Program [C2022203003]; Fundamental Research Funds for the Universities of Henan Province [NSFRF220201]." @default.
• W4385807304 created "2023-08-15" @default.
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• W4385807304 date "2023-08-14" @default.
• W4385807304 modified "2023-10-16" @default.
• W4385807304 title "Synthesized Fe-doped Co₃O₄ nanoparticles-based anode for high-performance lithium-ion batteries application" @default.
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• W4385807304 doi "https://doi.org/10.1080/15435075.2023.2245457" @default.
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