A surface-modified antiperovskite as an electrocatalyst for water oxidation.

A surface-modified antiperovskite as an electrocatalyst for water oxidation.
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表面改性的反钙钛矿作为水氧化电催化剂

DOI:
10.1038/s41467-018-04682-y
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发表时间:
2018-06-13
影响因子:
16.6
通讯作者:
Shao Z
Shao Z
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhu Y;Chen G;Zhong Y;Chen Y;Ma N;Zhou W;Shao Z

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高效且具有成本效益的析氧反应(OER)电催化剂是电化学能量产生和存储技术的关键。在这里,合理的设计和原位形成的基于反钙钛矿的混合物具有多孔导电Cu 1− x NNi 3− y(x和y代表缺陷)核和无定形FeNiCu(氧)氢氧化物壳,被报道为一种有前途的水氧化电催化剂,表现出优异的性能。该复合催化剂具有核壳结构的独特优势,以及Fe、Ni和Cu的协同效应和高度多孔的分级结构,在碱性环境中表现出高效和稳定的OER性能,在多个方面优于基准IrO2催化剂。我们的研究结果证明了反钙钛矿基材料在电催化领域的应用潜力,这可能会激发人们对开发用于能量产生和存储应用的新型材料的见解。
An efficient and cost-effective oxygen evolution reaction (OER) electrocatalyst is key for electrochemical energy generation and storage technologies. Here, the rational design and in situ formation of an antiperovskite-based hybrid with a porous conductive Cu 1− x NNi 3− y (x and y represent defect) core and amorphous FeNiCu (oxy) hydroxide shell is reported as a promising water oxidation electrocatalyst, showing outstanding performance. Benefiting from the unique advantage of core–shell structure, as well as the synergistic effect of Fe, Ni, and Cu and the highly porous hierarchical structure, the hybrid catalyst exhibits highly efficient and robust OER performance in alkaline environments, outperforming the benchmark IrO 2 catalyst in several aspects. Our findings demonstrate the application potential of antiperovskite-based materials in the field of electrocatalysis, which may inspire insights into the development of novel materials for energy generation and storage applications.
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