The DOI matches its Crossref record; 71 of the 71 references it cites were found in a registry or an index.
Sequential Electrodeposition of Bifunctional Catalytically Active Structures in MoO3/Ni–NiO Composite Electrocatalysts for Selective Hydrogen and Oxygen Evolution
Abstract
Exploring earth‐abundant and highly efficient electrocatalysts is critical for further development of water electrolyzer systems. Integrating bifunctional catalytically active sites into one multi‐component might greatly improve the overall water‐splitting performance. In this work, amorphous NiO nanosheets coupled with ultrafine Ni and MoO 3 nanoparticles (MoO 3/Ni–NiO), which contains two heterostructures (i.e., Ni–NiO and MoO 3–NiO), is fabricated via a novel sequential electrodeposition strategy. The as‐synthesized MoO 3/Ni–NiO composite exhibits superior electrocatalytic properties, affording low overpotentials of 62 mV at 10 mA cm−2 and 347 mV at 100 mA cm−2 for catalyzing the hydrogen and the oxygen evolution reaction (HER/OER), respectively. Moreover, the MoO 3/Ni–NiO hybrid enables the overall alkaline water‐splitting at a low cell voltage of 1.55 V to achieve 10 mA cm−2 with outstanding catalytic durability, significantly outperforming the noble‐metal catalysts and many materials previously reported. Experimental and theoretical investigations collectively demonstrate the generated Ni–NiO and MoO 3–NiO heterostructures significantly reduce the energetic barrier and act as catalytically active centers for selective HER and OER, synergistically accelerating the overall water‐splitting process. This work helps to fundamentally understand the heterostructure‐dependent mechanism, providing guidance for the rational design and oriented construction of hybrid nanomaterials for diverse catalytic processes.
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Cited by
Zhou, K. L., Wang, Z., Han, C. B., Ke, X., Wang, C., Jin, Y., Zhang, Q., Liu, J., Wang, H., & Yan, H. (2021) · Nature Communications · doi:10.1038/s41467-021-24079-8 · Cited by 765
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Metadata
- Authors
- Li, X., Wang, Y., Wang, J., Da, Y., Zhang, J., Li, L., Zhong, C., Deng, Y., Han, X., & Hu, W.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2020-08-19
- Volume
- 32
- Issue
- 39
- Pages
- e2003414-e2003414
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W3069256542
- Cited by
- 312
- References
- 71
- FWCI
- 9.88
- Type
- journal article
- Language
- en
- Open access
- closed
- Funders
- China Association for Science and Technology (2018QNRC001)
- National Natural Science Foundation of China (51972224, 51701139, U1601216)
- China Postdoctoral Science Foundation (2019M661014)
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- Li, X., Wang, Y., Wang, J., Da, Y., Zhang, J., Li, L., Zhong, C., Deng, Y., Han, X., & Hu, W. (2020). Sequential Electrodeposition of Bifunctional Catalytically Active Structures in MoO3/Ni–NiO Composite Electrocatalysts for Selective Hydrogen and Oxygen Evolution. Advanced Materials. https://doi.org/10.1002/adma.202003414
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