Non‐3d Metal Modulation of a 2D Ni–Co Heterostructure Array as Multifunctional Electrocatalyst for Portable Overall Water Splitting

作者: Wenxian Liu , Linhai Yu , Ruilian Yin , Xilian Xu , Jinxiu Feng

DOI: 10.1002/SMLL.201906775

关键词: Oxygen evolutionNanosheetElectrodeOptoelectronicsWater splittingSubstrate (electronics)ElectrocatalystHeterojunctionDopingMaterials science

摘要: Portable water splitting devices driven by rechargeable metal–air batteries or solar cells are promising, however, their scalable usages are still hindered by lack of suitable multifunctional electrocatalysts. Here, a highly efficient multifunctional electrocatalyst is demonstrated, ie, 2D nanosheet array of Mo‐doped NiCo2O4/Co5. 47N heterostructure deposited on nickel foam (Mo‐NiCo2O4/Co5. 47N/NF). The successful doping of non‐3d high‐valence metal into a heterostructured nanosheet array, which is directly grown on a …

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