Perovskite-type La0.8Sr0.2Co0.8Fe0.2O3 with uniform dispersion on N-doped reduced graphene oxide as an efficient bi-functional Li-O2 battery cathode
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Junfang Cheng1, Yuexing Jiang, Ming Zhang
1Center for Fuel Cell Innovation, State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science & Technology, Wuhan, 430074, China. chibo@hust.edu.cn.
Physical Chemistry Chemical Physics : PCCP
|April 12, 2017
Abstract:
A composite cathode including N-rGO with homogeneously dispersed perovskite La0.8Sr0.2Co0.8Fe0.2O3 on the surface is studied. Li-O2 batteries with LSCF@N-rGO cathode show better performance than those with LSCF-SP or N-rGO cathode. EIS and morphology analysis indicate that LSCF is beneficial to remold the shape of Li2O2 and catalyze the decomposition of Li2O2.