Sustainable oxygen evolution catalysis: Water-based fabrication of FeNi-MIL-100 on recycled stainless steel substrates.

IF 9.4 1区化学 Q1 CHEMISTRY, PHYSICAL

Journal of Colloid and Interface Science Pub Date : 2024-12-12 DOI:10.1016/j.jcis.2024.12.077

Li Zhong, Ni Wang, Liangkui Sun, Xingchen Xie, Lixiang He, Mingliang Xiang, Wencheng Hu

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引用次数: 0

Abstract

The anodic oxygen evolution reaction (OER) process is essential in new technologies such as water electrolysis and metal-air batteries. However, it often exhibits suboptimal efficiency and delayed kinetics. This study presents a novel and new design for the fabrication of homogeneous FeNiBTC/SSM (SSM = stainless steel material) with tunable crystalline properties by a self-sacrificial and in situ synthesis from a recycled stainless steel substrate. The modified stainless steel template enhances the material's properties compared to the original mesh substrate and its structure can be attributed to the typical MIL-100 (Material of Institute Lavoisier) structure, which is a hierarchically structured, highly chemically stable material formed by FeO6 octahedral clusters around a single shared oxygen anion. The as-synthesized FeNiBTC/SSM4 catalyst exhibited excellent electrocatalytic performance for OER, as indicated by its small Tafel slope (74.5 mV dec^-1), low overpotential (η₁₀ 223.7 mV), and high current retention (95.4 %) after a stability test lasting 45 h. The study demonstrates the development of water-based and self-sustaining MOF electrocatalysts for the oxygen evolution reaction in a simple process, along with a novel method for reusing renewable resources.

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来源期刊

Journal of Colloid and Interface Science 化学-物理化学

CiteScore

16.10

自引率

7.10%

发文量

2568

审稿时长

2 months

期刊介绍： The Journal of Colloid and Interface Science publishes original research findings on the fundamental principles of colloid and interface science, as well as innovative applications in various fields. The criteria for publication include impact, quality, novelty, and originality. Emphasis: The journal emphasizes fundamental scientific innovation within the following categories: A.Colloidal Materials and Nanomaterials B.Soft Colloidal and Self-Assembly Systems C.Adsorption, Catalysis, and Electrochemistry D.Interfacial Processes, Capillarity, and Wetting E.Biomaterials and Nanomedicine F.Energy Conversion and Storage, and Environmental Technologies