期刊
MRS COMMUNICATIONS
卷 8, 期 3, 页码 1158-1166出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2018.174
关键词
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资金
- Ministry of Science and Technology of China [2016YFA0200102]
- National Natural Science Foundation of China [51625203, 51532008, 51521091, 51772303, 51572264]
- Chinese Academy of Sciences [KGZD-EW-T06]
- CAS/SAFEA International Partnership Program for Creative Research Teams
- Liaoning BaiQianWan Talents Program
Owing to lack of a definitive correlation between carbon supports and catalytic activity of single-atom Fe-active sites, rational design and preparation of single-atom Fe catalysts have so far been elusive. Herein we designed and prepared one-dimensional core-shell nanostructured single-atom Fe catalysts, in which carbon nanofibers and carbon nanotubes with different crystallinities and electrical conductivities were used as supports to host single-atom Fe-active sites. It was found that the carbon supports with higher electrical conductivity accelerate charge transfer and enhance the oxygen reduction reaction (ORR) activity of single-atom Fe-active sites as well as the ORR durability of the final catalyst.
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