Chromium doping enabled improvement in alkaline seawater oxidation over cobalt carbonate hydroxide nanowire array

被引:13
|
作者
Zhang, Min [1 ]
He, Xun [1 ]
Dong, Kai [2 ]
Zhang, Hui [1 ]
Yao, Yongchao [2 ]
Yang, Chaoxin [1 ]
Yue, Meng [1 ]
Sun, Shengjun [1 ]
Sun, Yuntong [1 ]
Zheng, Dongdong [1 ]
Luo, Yongsong [2 ]
Liu, Qian [3 ]
Li, Na [1 ]
Tang, Bo [1 ,4 ]
Liu, Jun [5 ]
Sun, Xuping [1 ,2 ]
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] Chengdu Univ, Inst Adv Study, Chengdu 610106, Sichuan, Peoples R China
[4] Laoshan Lab, Qingdao 266237, Shandong, Peoples R China
[5] Sichuan Univ, West China Hosp, Dept Otolaryngol Head & Neck Surg, Chengdu 610041, Sichuan, Peoples R China
基金
中国国家自然科学基金;
关键词
OXYGEN EVOLUTION REACTION;
D O I
10.1039/d3cc02667a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The presence of chlorine species in seawater can cause severe anode corrosion, highlighting the critical need for the design of efficient and robust electrocatalysts towards the oxygen evolution reaction (OER) for hydrogen production. Herein, we present a chromium doped cobalt carbonate hydroxide nanowire array on nickel foam (Cr-CoCH/NF) as an effective OER electrocatalyst in seawater. In alkaline conditions, Cr-CoCH/NF exhibits a low overpotential of 450 mV to achieve 500 mA cm(-2), surpassing that of CoCH/NF (614 mV). Additionally, it demonstrates 200 h of continuous oxygen evolution testing.
引用
收藏
页码:9750 / 9753
页数:4
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