Journal
SMALL
Volume 16, Issue 51, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202003916
Keywords
alkaline media; NiFe‐ based electrocatalysts; oxygen evolution reactions
Categories
Funding
- Nankai University
- National Natural Science Foundation of China (NSFC) [21701088, 21971124]
- Natural Science Foundation of Tianjin City [17JCYBJC41000]
- Advanced Institute for Materials Research (AIMR), Tohoku University, Japan
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The seriousness of the energy crisis and the environmental impact of global anthropogenic activities have led to an urgent need to develop efficient and green fuels. Hydrogen, as a promising alternative resource that is produced in an environmentally friendly and sustainable manner by a water splitting reaction, has attracted extensive attention in recent years. However, the large-scale application of water splitting devices is hindered predominantly by the sluggish oxygen evolution reaction (OER) at the anode. Therefore, the design and exploration of high-performing OER electrocatalysts is a critical objective. Considering their low prices, abundant reserves, and intrinsic activities, NiFe-based bimetal compounds are widely studied as excellent OER electrocatalysts. Moreover, recent progress on NiFe-based OER electrocatalysts in alkaline environments is comprehensively and systematically introduced through various catalyst families including NiFe-layered hydroxides, metal-organic frameworks, NiFe-based (oxy)hydroxides, NiFe-based oxides, NiFe alloys, and NiFe-based nonoxides. This review briefly introduces the advanced NiFe-based OER materials and their corresponding reaction mechanisms. Finally, the challenges inherent to and possible strategies for producing extraordinary NiFe-based electrocatalysts are discussed.
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