Abstract
A series of cobalt-doped LaMnO3 (LaCo1−xMnxO3, x = 0.4, 0.5, 0.6, 1.0) perovskite electrode material were synthesized by sol–gel method and applied in catalytic oxidation for glycerol. The electrochemical tests showed that LaCo1−xMnxO3 (x = 0.4, 0.5, 0.6) exhibited more excellent electrochemical properties than undoped LaMnO3. Among which, LaCo0.4Mn0.6O3 showed the smallest onset potiential (~ 0.8 V), lowest Tafel slope (215.3 mV dec−1), and Rct value (39.07 kΩ), and its stability was even better than commercial Pt/C (20 wt%-SA). The improved electrochemical performance of LaCo1−xMnxO3 is attributed to the uneven distribution of oxygen in LaMnO3 structure caused by Co doping.
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Data availability
All data generated or analyzed during this study are included in this published article, “Enhanced electrocatalytic performance of LaCo1−xMnxO3 perovskite catalyst for glycerol oxidation.”
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Acknowledgments
This work was supported by Changzhou Science and Technology Support Plan (Social Development, CE20205052) (Jiangsu Province, China). The characterizations were provided by Analysis and Testing Center, NERC Biomass of Changzhou University (Jiangsu Province, China).
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Zhong, Z., Pan, J., Li, M. et al. Enhanced electrocatalytic performance of LaCo1−xMnxO3 perovskite catalyst for glycerol oxidation. MRS Communications 12, 786–793 (2022). https://doi.org/10.1557/s43579-022-00234-0
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DOI: https://doi.org/10.1557/s43579-022-00234-0