Interfacial Fe-O-Ni bonding regulates built-in electric field in Fe3O4@Ni (OH)2 heterogeneous catalysts for full water splitting

被引：0
|
作者：
Liao, Ruanming [1 ]
Yang, Xiongzhi [1 ]
Peng, Zhihong [1 ]
Liu, Junxiang [1 ]
Zhou, Junli [1 ,2 ]
Yu, Lin [1 ,2 ]
Sun, Chenghua [3 ]
Liao, Jingwen [4 ]
机构：
[1] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Key Lab Clean Chem Technol, Guangdong Regular Higher Educ Inst, Guangzhou 510006, Peoples R China
[2] Jieyang Ctr, Guangdong Prov Lab Chem & Fine Chem Engn, Jieyang 515200, Peoples R China
[3] Swinburne Univ Technol, Dept Chem & Biotechnol, Hawthorn, Vic 3122, Australia
[4] Guangzhou Inst Adv Technol, Interdisciplinary Plasma Engn Ctr, Guangzhou 511458, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2025年 / 641卷
基金：
中国国家自然科学基金;
关键词：
Electrocatalysis; Heterogeneous catalysis; Water splitting; built-in electric field; OXYGEN EVOLUTION REACTION; ELECTROCATALYSTS;
D O I：
10.1016/j.jpowsour.2025.236864
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：
High-performance catalysts for hydrogen and oxygen evolution reactions are crucial for a sustainable hydrogen economy. Herein, low-cost Fe3O4@Ni(OH)2 heterogeneous catalysts with a built-in electric field (BEF) have been successfully fabricated via interfacial Fe-O-Ni bonding. Such catalysts offer low overpotential for both hydrogen evolution reaction (HER, 117.4 mV at 10 mA cm-2) and oxygen evolution reaction (OER, 216.6 mV at 10 mA cm-2) versus vs. reversible hydrogen electrode (RHE). Serving as the cathode and anode for water electrolyzer, it exhibits excellent activity for overall water splitting with a cell voltage of 1.60 and 1.93 V at 10 and 100 mA
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页数：10
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