Nickel-Cobalt Bimetal Hierarchical Hollow Nanosheets for Efficient Oxygen Evolution in Seawater

被引：1

作者：

An, Rongzheng ^{[1
]}

Li, Guoling ^{[1
]}

Liu, Zhiliang ^{[2
]}

机构：

[1] Qingdao Univ, Inst Mat Energy & Environm, Coll Mat Sci & Engn, Qingdao 266071, Peoples R China

[2] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China

来源：

MATERIALS | 2024年 / 17卷 / 10期

基金：

中国国家自然科学基金;

关键词：

oxygen evolution reaction (OER); ultrathin nanosheets; hollow structure; electrolytic seawater; overall water splitting; sunlight driven; LAYERED-DOUBLE HYDROXIDES; METAL-ORGANIC FRAMEWORKS; ENERGY; PERFORMANCE; LDH;

D O I：

10.3390/ma17102298

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：

The electrochemical splitting of seawater is promising but also challenging for sustainable hydrogen gas production. Herein, ZIF-67 nanosheets are grown on nickel foam and then etched by Ni2+ in situ to obtain a hierarchical hollow nanosheets structure, which demonstrates outstanding OER performance in alkaline seawater (355 mV at 100 mA cm-2). Diven by a silicon solar panel, an overall electrolysis energy efficiency of 62% is achieved at a high current of 100 mA cm-2 in seawater electrolytes. This work provides a new design route for improving the catalytic activity of metal organic framework materials.

引用

页数：10

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