Citrate ions-modified NiFe layered double hydroxide for durable alkaline seawater oxidation

被引：2

作者：

Song, Jiayun ^{[1
]}

Li, Zixiao ^{[2
]}

Sun, Shengjun ^{[1
]}

Yang, Chaoxin ^{[1
]}

Cai, Zhengwei ^{[1
]}

Wang, Xiaoyan ^{[1
]}

Yue, Meng ^{[1
]}

Zhang, Min ^{[1
]}

Wang, Hefeng ^{[1
]}

Farouk, Asmaa ^{[3
]}

Hamdy, Mohamed S. ^{[3
]}

Sun, Xuping ^{[1
,2
,4
]}

Tang, Bo ^{[1
,5
]}

机构：

[1] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Shandong, Peoples R China

[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China

[3] King Khalid Univ, Fac Sci, Dept Chem, POB 9004, Abha 61413, Saudi Arabia

[4] Sichuan Univ, West China Hosp, Ctr High Altitude Med, Chengdu 610041, Sichuan, Peoples R China

[5] Laoshan Lab, Qingdao 266237, Shandong, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2025年 / 679卷

关键词：

Cl-; repulsion; Seawater oxidation; Citrate anion modification; NiFe layered double hydroxide; ELECTROCATALYST; EVOLUTION; OXALATE;

D O I：

10.1016/j.jcis.2024.10.086

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Seawater electrolysis taking advantage of coastal/offshore areas is acknowledged as a potential way of largescale producing H-2 to substitute traditional technology. However, anodic catalysts with high overpotentials and limited lifespans (caused by chloride-induced competitive chemical reactions) hinder the system of seawater electrolysis for H-2 production. Herein, we present a citrate anion (CA) modified NiFe layered double hydroxide nanosheet array on nickel foam (NiFe LDH@NiFe-CA/NF), which serves as an efficient and stable electrocatalyst towards long-term alkaline seawater oxidation. It requires only a low overpotential of 387 mV to achieve a current density of 1000 mA cm(-2), outperforming NiFe LDH/NF (414 mV). Moreover, NiFe LDH@NiFe-CA/NF exhibits continuous oxygen evolution testing for 300 h at 1000 mA cm(-2) due to its anti-corrosion

引用

页码：1 / 8

页数：8

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