A cauliflower-like Ni metal-organic phosphate modified carbon paste electrode as an efficient catalyst for electrochemical water oxidation in neutral media

被引：0
作者：
Yu, Li [1 ]
Liang, Qin [1 ]
Ma, Xiaocai [1 ]
机构：
[1] Xinyang Normal Univ, Coll Chem & Chem Engn, Xinyang 464000, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 354卷
关键词：
Functional; Energy storage and conversion; Water oxidation; Electrocatalyst; Neutral condition;
D O I：
10.1016/j.matlet.2023.135399
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We fabricated the cauliflower-like Ni metal-organic phosphates (Ni-MOPh) with different synthesis time (Ni-MOPh-Ts, Ts = Times) as a carbon paste electrode material (Ni-MOPh-Ts/C) for oxygen evolution reaction (OER) in neutral media. The as-synthesized Ni-MOPh-12 h/C shows a better OER ability than that of Ni-MOPh-6 h/C and Ni-MOPh-2 h/C, which also shows conspicuous performance with the overpotential of 420 mV to obtain 10 mA cm-2. Reaction kinetics studies exhibit that Ni-MOPh-12 h/C can provide higher electrochemical ability, mainly due to the small charge transfer resistance, and a high number of catalytic active sites.
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页数：4
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