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Abstract:
The design of a highly stable and efficient electrocatalyst for oxygen evolution reaction (OER) is important to facilitate the large-scale industrial application of water splitting. Nevertheless, the preparation of electrocatalysts that combine high activity and stability remains a significant challenge. In this work, the NiFe-LDH electrocatalyst with highly stable and active was fabricated through the modulation of the stable interface at the catalyst-substrate interface. The findings indicated that the catalyst stability can be substantially enhanced by modulating the synthesis environment to achieve a tight interlink between the catalyst and the substrate. Based on these findings, further loading of the active components was conducted via microwave method, to prepare highly active NiFe-LDH electrode. The fabricated NiFe-LDH exhibited superior activity on OER and displayed an overpotential of 230 mV to acquire current response to 100 mA/cm2. The OER catalysts prepared in this study exhibited remarkable long-term stability at a current density of 10 mA/cm2 and 100 mA/cm2 for more than 40 h. In this work, an interface engineering strategy for designing highly stable catalytic electrodes was proposed, which can provide a new idea for the design of outstanding stable and active electrodes.
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FUEL
ISSN: 0016-2361
Year: 2025
Volume: 388
6 . 7 0 0
JCR@2023
CAS Journal Grade:2
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1