基于二茂铁二膦酸盐和4,4 ' -联吡啶配体的三维Ni氧化还原活性金属有机骨架作为质子交换膜燃料电池氧还原反应的电催化剂

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Russian Chemical Bulletin Pub Date : 2025-01-14 DOI:10.1007/s11172-024-4440-2

M. K. Kadirov, G. R. Nizameeva, R. P. Shekurov, I. R. Nizameev, E. I. Galeeva, V. A. Milyukov, Y. G. Budnikova

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引用次数: 0

摘要

以镍（ii）阳离子、二茂铁（h -磷酸）酸（H2fcdHp）阴离子和4,4′-联吡啶（bpy）为基础，首次测试了三维镍氧化还原活性金属-有机骨架[Ni(bpy)(fcdHp)]作为氧还原反应（ORR）催化剂。该化合物在电化学条件下表现出良好的效率和稳定性。首次在质子交换膜燃料电池中评价了该催化剂在膜电极组件（MEA）阴极侧的诊断性能。在半电池装置中，将MEA的阴极室与阳极（液体电化学电池）用聚电解质膜隔开，证实了新系统作为ORR催化剂的催化能力，而阳极侧没有铂催化剂。

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3D Ni Redox-active metal-organic framework based on ferrocenyldiphosphinate and 4,4′-bipyridine ligands as an electrocatalyst for the oxygen reduction reaction in proton-exchange membrane fuel cells

The three-dimensional Ni redox-active metal-organic framework [Ni(bpy)(fcdHp)] based on nickel(ii) cations, anions of ferrocenylbis(H-phosphinic) acid (H₂fcdHp), and 4,4′-bipyridine (bpy) was first tested as an oxygen reduction reaction (ORR) catalyst. This compound showed remarkable efficiency and good stability under electrochemical conditions. The diagnostic performance in a proton-exchange membrane fuel cell with this catalyst on the cathode side of the membrane-electrode assembly (MEA) was evaluated for the first time. The catalytic ability of the new system as an ORR catalyst without a platinum catalyst on the anode side was confirmed in a half-cell setup, in which the cathode compartment of the MEA and the anode (liquid electrochemical cell) are separated by a polyelectrolyte membrane.

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来源期刊

Russian Chemical Bulletin 化学-化学综合

CiteScore

2.70

自引率

47.10%

发文量

257

审稿时长

3-8 weeks

期刊介绍： Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.