A bimetallic NiFe MOF with ultra-thin two-dimensional nanosheet structure effectively accelerates oxygen evolution reaction,Dalton Transactions

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A bimetallic NiFe MOF with ultra-thin two-dimensional nanosheet structure effectively accelerates oxygen evolution reaction
Dalton Transactions ( IF 3.5 ) Pub Date : 2024-07-18 , DOI: 10.1039/d4dt01656d
Jiaqi He ₁ , Xin Deng ₁ , Wenting Sun ₁ , Wenjing Shang ₁ , Yongbing Lou ₁ , Jinxi Chen ₁

Affiliation

To address the shortage of fossil energy, the development of affordable and efficient non-precious metal catalysts for oxygen evolution reaction (OER) from electrocatalytic water splitting is still a crucial challenge. Herein, the bimetallic NiFe metal–organic frameworks (MOFs) are synthesized by hydrothermal and electro-deposition. Benefiting from the synergistic effect of Fe and Ni, the catalyst demonstrates extraordinary activity, which exhibits favorable OER catalytic activity in 1 M KOH solution with an overpotential of 206 mV at 10 mA cm⁻². Meanwhile, the obtained NiFe-NDC presents promising stability in the 20 h test at 50 mA cm⁻².

中文翻译：

具有超薄二维纳米片结构的双金属NiFe MOF有效加速析氧反应

为了解决化石能源的短缺，开发经济实惠且高效的非贵金属催化剂用于电催化水分解的析氧反应（OER）仍然是一个关键挑战。在此，双金属 NiFe 金属有机骨架（MOF）是通过水热和电沉积合成的。得益于Fe和Ni的协同效应，该催化剂表现出非凡的活性，在1 M KOH溶液中表现出良好的OER催化活性，在10 mA cm ^-2下过电势为206 mV。同时，所获得的NiFe-NDC在50 mA cm ^-2的20小时测试中表现出良好的稳定性。

更新日期：2024-07-23

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