Cauliflower-like Ni3S2 foam for ultrastable oxygen evolution electrocatalysis in alkaline seawater

被引：10

作者：

Dai, Qiuying ^{[1
]}

He, Xun ^{[1
]}

Yao, Yongchao ^{[1
]}

Dong, Kai ^{[1
]}

Liu, Xuwei ^{[1
]}

Guo, Xiankun ^{[1
]}

Chen, Jie ^{[1
]}

Fan, Xiaoya ^{[1
]}

Zheng, Dongdong ^{[2
]}

Luo, Yongsong ^{[2
]}

Sun, Shengjun ^{[2
]}

Li, Luming ^{[3
]}

Chu, Wei ^{[3
]}

Farouk, Asmaa ^{[4
]}

Hamdy, Mohamed S. ^{[4
]}

Sun, Xuping ^{[1
,2
,5
]}

Tang, Bo ^{[2
,6
]}

机构：

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

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

[3] Chengdu Univ, Inst Adv Study, Chengdu 610106, Peoples R China

[4] King Khalid Univ, Coll Sci, Dept Chem, POB 9004, Abha 61413, Saudi Arabia

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

[6] Laoshan Lab, Qingdao 266237, Peoples R China

来源：

NANO RESEARCH | 2024年 / 17卷 / 08期

关键词：

Ni3S2; foam; oxygen evolution reaction; seawater electrolysis; electrocatalyst;

D O I：

10.1007/s12274-024-6744-9

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：

It is of great importance to design and develop electrocatalysts that are both long-lasting and efficient for seawater oxidation. Herein, a three-dimensional porous cauliflower-like Ni3S2 foam on Ni foam (Ni3S2 foam/NF) is proposed as a high-performance electrocatalyst for the oxygen evolution reaction in alkaline seawater. The as-synthesis Ni3S2 foam/NF achieves exceptional efficacy, achieving a current density of 100 mA<middle dot>cm-2 at mere overpotential of 369 mV. Notably, its electrocatalytic stability extends up to 1000 h at 500 mA<middle dot>cm-2.

引用

页码：6820 / 6825

页数：6

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