Nature Communications (Mar 2021)

Regulating Fe-spin state by atomically dispersed Mn-N in Fe-N-C catalysts with high oxygen reduction activity

  • Gege Yang,
  • Jiawei Zhu,
  • Pengfei Yuan,
  • Yongfeng Hu,
  • Gan Qu,
  • Bang-An Lu,
  • Xiaoyi Xue,
  • Hengbo Yin,
  • Wenzheng Cheng,
  • Junqi Cheng,
  • Wenjing Xu,
  • Jin Li,
  • Jinsong Hu,
  • Shichun Mu,
  • Jia-Nan Zhang

DOI
https://doi.org/10.1038/s41467-021-21919-5
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 10

Abstract

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The working mechanism of several low-cost electrocatalyst materials is still arguable. Here the authors show a model Fe,Mn/N-C catalyst where the oxygen reduction preferentially takes place on Fe(III) sites with the intermediate spin state (t2g4 eg1) caused by the adjacent Mn-N moieties.