2023
DOI: 10.1021/acssuschemeng.3c04505
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Engineering Active Sites Enriched 2D-on-1D NiFe and NiCo Layered Double Hydroxide-Decorated Ni Nanowire Networks for Oxygen Evolution Reaction

Khaled M. Amin,
Kuan-Hsun Lin,
Michael Duerrschnabel
et al.

Abstract: Green energy technologies, including water splitting and fuel cells, are being extensively pursued to meet the increased demand for renewable energy and tackle the pollution issues related to fossil fuel consumption. The performance of these technologies primarily relies on noble-metal-oxide electrocatalysts, which are typically supported by macroscopic and weighty materials. Therefore, it is urgently needed, although it is still challenging to engineer highly efficient and naturally abundant electrocatalysts … Show more

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Cited by 5 publications
(3 citation statements)
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“…The XPS survey spectrum (Figure a) verifies the existence of Fe, Ni, and O elements, in line with the energy-dispersive X-ray (EDX) results (Figure S2). As shown in Figure b, the high-resolution Ni 2p spectrum possesses the dominant peak of Ni 2p 1/2 located at ∼855.6 eV and the satellite peaks at 861.58. , Furthermore, the fitted Ni 2p 1/2 peak revealed the existence of Ni 2+ species (855.18 eV) and Ni 3+ species­(856.38 eV), and these peaks show obvious positive shift relative to FeNi-10 and NiFe-LDH. Meanwhile, c / a FeNi-100 has the highest Ni 3+ percentage (55%) compared to other samples in Figure f, indicating the formative higher valence Ni δ+ in c / a FeNi-100.…”
Section: Results and Discussionmentioning
confidence: 93%
“…The XPS survey spectrum (Figure a) verifies the existence of Fe, Ni, and O elements, in line with the energy-dispersive X-ray (EDX) results (Figure S2). As shown in Figure b, the high-resolution Ni 2p spectrum possesses the dominant peak of Ni 2p 1/2 located at ∼855.6 eV and the satellite peaks at 861.58. , Furthermore, the fitted Ni 2p 1/2 peak revealed the existence of Ni 2+ species (855.18 eV) and Ni 3+ species­(856.38 eV), and these peaks show obvious positive shift relative to FeNi-10 and NiFe-LDH. Meanwhile, c / a FeNi-100 has the highest Ni 3+ percentage (55%) compared to other samples in Figure f, indicating the formative higher valence Ni δ+ in c / a FeNi-100.…”
Section: Results and Discussionmentioning
confidence: 93%
“…Although the traditional hydrogen production technology based on the combustion of fossil energy can satisfy the most of the demands in the industrialized scale, due to the limited supply of raw materials, environmental pollution aggravated by harmful exhaust gases, and low purity of products, it is urgent to find rational and sustainable strategies to improve the efficiency of generating green hydrogen energy . Splitting water via electricity achieves zero carbon emissions with its easily available hydrogen source (water molecules) and no harmful byproducts, providing an eco-friendly energy production technology.…”
Section: Introductionmentioning
confidence: 99%
“…Hydrogen (H 2 ) is known as a clean renewable energy source, and its utilization has attracted wide attention in several recent decades. 1–3 Electrochemical water splitting is widely regarded as a recycled strategy to produce clean and renewable H 2 . 4,5 Nonetheless, one of the major technological obstacles for large-scale hydrogen production is the low thermodynamic kinetics of water splitting with large overpotential and the usage of expensive electrodes.…”
Section: Introductionmentioning
confidence: 99%