Electrochemical properties of LaFeO3-rGO composite

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LaFeO3-xwt% rGO composite (x = 8, 10, 12) was synthesized by ultraphonic stirring and lyophilization method. SEM, TEM and XRD results show that the perovskite-type LaFeO3 was dispersed by rGO to form special porous structure due to the gauze-shaped wrinkles and folds structure of rGO. It was found that the special porous structure can effectively increase the specific surface area and suppress particle aggregation of LaFeO3, thus improving the electrical conductivity and appreciably enhancing the electrochemical properties of LaFeO3. As compared with LaFeO3, the maximum discharge capacity of the composite (x=10) increased from 209.5 mAh g–1 to 334.6 mAh g–1. The High rate dischargeability at a discharge current density of 1500 mA g–1 (HRD1500) and the capacity retention rate after 100 charge/discharge cycles (S100) of the composite increased by 9% and 17%, respectively.




Yuan, Y., Dong, Z., Li, Y., Zhang, L., Zhao, Y., Wang, B., & Han, S. (2017). Electrochemical properties of LaFeO3-rGO composite. Progress in Natural Science: Materials International, 27(1), 88–92. https://doi.org/10.1016/j.pnsc.2017.01.004

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