Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction

doi:10.1016/j.mtener.2021.100715

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	Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction
	N. Liu and J. Guan
刊名	Materials Today Energy
	2021
卷号	21 期号:7
ISSN号	2468-6069
DOI	10.1016/j.mtener.2021.100715
英文摘要	Rational fabrication of oxygen evolution reaction (OER) electrocatalysts based on earth-abundant elements is crucial for sustainable energy applications. Although Fe-Co-based (oxy)hydroxides show excellent catalytic activity for OER, a comprehensive understanding of the role of Fe and Co is still lacking. Here, we prepared a core-shell Co3O4@FeOx catalyst with an ultrathin FeOx (<1 nm) coating onto ultrafine Co3O4 nanoparticles (similar to 3.1 nm), which exhibit higher OER activity than Fe/Co-based mixed oxides. The enhanced OER electrocatalytic performance is attributed to the introduction of ultrathin FeOx, which can (1) combine water molecules to promote the reaction, (2) enhance the charge transfer ability of Co3O4, and (3) speed up the diffusion of the reactant water close to the active sites and the produced oxygen away from the active sites. (c) 2021 Elsevier Ltd. All rights reserved.
URL标识	查看原文
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/65117]
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	N. Liu and J. Guan. Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction[J]. Materials Today Energy,2021,21(7).
APA	N. Liu and J. Guan.(2021).Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction.Materials Today Energy,21(7).
MLA	N. Liu and J. Guan."Core-shell Co3O4@FeOx catalysts for efficient oxygen evolution reaction".Materials Today Energy 21.7(2021).