Carambola-like metal-organic frameworks for high-performance electrocatalytic oxygen evolution reaction

A self-templating strategy was developed to fabricate hierarchical carambola-like NiCo-MOF-74 in situ grown on Ni foam surface without the addition of external Ni source. The as-prepared bimetallic NiCo-MOF-74/NF exhibits an ultralow overpotential of 198 mV at 10 mA cm−2, which makes it among the be...

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Bibliographic Details
Published in:Journal of energy chemistry 2021-02, Vol.53, p.358-363
Main Authors: Gao, Zhi, Xiao, Longhui, Su, Xuemin, He, Xiangqing, Yu, Yi, Huang, Xinhui, Luo, Feng
Format: Article
Language:English
Subjects:
Bimetallic synergy effect
Carambola-like nanostructure
Metal-organic frameworks
Oxygen evolution reaction
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Summary:A self-templating strategy was developed to fabricate hierarchical carambola-like NiCo-MOF-74 in situ grown on Ni foam surface without the addition of external Ni source. The as-prepared bimetallic NiCo-MOF-74/NF exhibits an ultralow overpotential of 198 mV at 10 mA cm−2, which makes it among the best pure-MOFs OER electrocatalysts. [Display omitted] •Hierarchical carambola-like MOFs were successfully constructed on Ni foam (NF) surface.•The resulting NiCo-MOF-74/NF exhibited excellent performance for OER in alkaline media.•Our study may shed new light on the development of novel pure-MOFs nanostructures for OER catalysis.
ISSN:2095-4956
DOI:10.1016/j.jechem.2020.05.023