Perovskite La0.6Sr0.4Co0.2Fe0.8O3 Nanofibers Decorated with RuO2 Nanoparticles as an Efficient Bifunctional Cathode for Rechargeable Li-O-2 Batteries
2019/11/27 21:36:33
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Perovskite La0.6Sr0.4Co0.2Fe0.8O3 nanofibers decorated with RuO2 nanoparticles (RuO2@LSCF-NFs) are prepared by electrospinning combined with a facile synthesis method. The obtained RuO2@LSCF-NFs are used as a cathode catalyst for lithium-oxygen (Li-O-2) batteries. The RuO2@LSCF-NFs catalyst exhibits enhanced catalytic performance with a decreasing voltage gap of 283mV lower than the cell with the LSCF-NFs catalyst. The improved performance is attributed to the superior catalytic activation of RuO2 nanoparticles toward oxygen evolution reaction (OER).

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