Fe–N4 and Co–N4 dual sites for boosting oxygen electroreduction in Zn–air batteries
Journal of Materials Chemistry A2021Vol. 9(23), pp. 13678–13687
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Dan Wang, Hao Xu, Peixia Yang, Xiangyu Lu, Jingyuan Ma, Ruopeng Li, Lihui Xiao, Jinqiu Zhang, Maozhong An
Abstract
A facile MOF-mediated approach is proposed to synthesize FeCo–N–C catalyst via one-step impregnation-pyrolysis without any post-treatment. The dual-metal site (Fe–N4 & Co–N4) can synergistically boost the ORR activity in the Zn–air batteries.