期刊
COMPOSITES COMMUNICATIONS
卷 27, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2021.100866
关键词
Metal organic framework; Hollow structure; High entropy; Electrocatalyst; Oxygen reduction reaction
资金
- Basic Research Project of the Science and Technology Innovation Commission of Shenzhen [JCYJ20190809115413414]
- Guangdong-Hong Kong-Macao Joint Lab-oratory [2019B121205001]
- Natural Science Foundation of Guang-dong Province [2018A030313725]
- Leading Talents of Guangdong Province Program [2016LJ06C536]
- Guangdong Special Sup-port for the Science and Technology Leading Young Scientist [2016TQ03C919]
- Center for Computational Sci-ence and Engineering
- Core Research Facilities of SUSTech
A porous hollow high-entropy metal organic framework (MOF-74) was prepared using a one-pot hydrothermal method, and a high-entropy nanocomposite was evaluated as an electrocatalyst for the oxygen reduction reaction (ORR). The optimal nanocomposite exhibited promising ORR performance due to the unique synergistic effect between multi-component high-entropy feature and hollow nanostructure, indicating the enlightening potential of high-entropy nanocomposites in developing high-performance electrocatalysts.
A porous hollow high-entropy metal organic framework (MOF-74) consisting of Mn, Fe, Co, Ni, Cu and Zn is prepared through one-pot hydrothermal method. Then, a high-entropy nanocomposite is prepared and evaluated as electrocatalyst for oxygen reduction reaction (ORR). The optimal nanocomposite comprising of metal-particle (Mn, Fe, Co, Cu), metal-alloy (Cu0.18Ni0.91, Co0.52Cu0.48) and metal-oxide (ZnO) exhibites very promising ORR performance due to the unique synergistic effect between multi-component high-entropy feature and hollow nanostructure. The approach of high-entropy nanocomposite is enlightening in developing high performance electrocatalysts.
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