无定形Ni-Fe-B纳米片原位生成硼酸盐：碱性海水制氧的高活性电催化剂

IF 9.5 2区材料科学 Q1 CHEMISTRY, PHYSICAL

Journal of Materials Chemistry A Pub Date : 2025-07-23 DOI:10.1039/d5ta04010h

Li He, Zhengwei Cai, Chaolin Wang

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引用次数: 0

摘要

海水电解是一种极具吸引力的可持续制氢途径，但它需要具有特殊活性和长期稳定性的析氧反应（OER）催化剂。在此，我们报道了原位制备的非晶NiFeB纳米片改性泡沫镍（NiFeB/NF）作为高效耐用的OER催化剂。实验和理论结果证实了NiFeB的优异催化性能。在碱性海水中，NiFeB/NF在280和350 mV的低过电位下分别达到100和1000 mA cm-2的电流密度，并在300小时内保持稳定的性能。值得注意的是，该催化剂在一系列操作条件下也表现出优异的OER活性。

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In-situ borate generation by amorphous Ni-Fe-B nanosheets: a highly active electrocatalyst for oxygen generation in alkaline seawater

Seawater electrolysis is a highly attractive route for sustainable hydrogen production, yet it demands oxygen evolution reaction (OER) catalysts with exceptional activity and long-term stability. Herein, we report an in-situ fabricated amorphous NiFeB nanoshee-modified nickel foam (NiFeB/NF) as an efficient and durable OER catalyst. Experimental and theoretical results confirm the excellent catalytic performance of NiFeB. In alkaline seawater, NiFeB/NF achieves current densities of 100 and 1000 mA cm-2 at low overpotential of 280 and 350 mV, respectively, and maintains stable performance over 300 h. Notably, the catalyst also exhibits excellent OER activity across a range of operational conditions.

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来源期刊

Journal of Materials Chemistry A CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

19.50

自引率

5.00%

发文量

1892

审稿时长

1.5 months

期刊介绍： The Journal of Materials Chemistry A, B & C covers a wide range of high-quality studies in the field of materials chemistry, with each section focusing on specific applications of the materials studied. Journal of Materials Chemistry A emphasizes applications in energy and sustainability, including topics such as artificial photosynthesis, batteries, and fuel cells. Journal of Materials Chemistry B focuses on applications in biology and medicine, while Journal of Materials Chemistry C covers applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry A include catalysis, green/sustainable materials, sensors, and water treatment, among others.