Sulfur-incorporated nickel-iron layered double hydroxides for effective oxygen evolution reaction in seawater

被引：55

作者：

Jung, Sun Young ^{[1
]}

Kang, Sukhyun ^{[2
]}

Kim, Kang Min ^{[2
]}

Mhin, Sungwook ^{[3
]}

Kim, Jong Cheol ^{[4
]}

Kim, So Jung ^{[1
]}

Enkhtuvshin, Enkhbayar ^{[1
]}

Choi, Seunggun ^{[5
]}

Han, HyukSu ^{[1
]}

机构：

[1] Konkuk Univ, Dept Energy Engn, 120 Neungdong Ro, Seoul 05029, South Korea

[2] Korea Inst Ind Technol, 137-41 Gwahakdanji Ro, Gangneung Si 25440, Gangwon, South Korea

[3] Kyonggi Univ, Dept Adv Mat Engn, Suwon 16227, South Korea

[4] Daegu Mechatron & Mat Inst, 11 Seongseogongdan Ro, Daegu 42714, South Korea

[5] Hanyang Univ, Dept Energy Engn, 222 Wangsimni Ro, Seoul 133791, South Korea

来源：

APPLIED SURFACE SCIENCE | 2021年 / 568卷

基金：

新加坡国家研究基金会;

关键词：

Seawater splitting; Oxygen evolution reaction; Electrocatalyst; Layered double hydroxide; Sulfidation; WATER OXIDATION; ELECTROCATALYST; SULFIDATION; ARRAYS; NI;

D O I：

10.1016/j.apsusc.2021.150965

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：

Given the abundance of water on the surface of the Earth, water splitting using seawater may be an effective solution to the future energy crisis. However, oxygen evolution reaction (OER) electrocatalysts require several specific characteristics to be used in seawater electrolysis, such as high catalytic activity, selectivity, and resistivity against chlorine corrosion. This paper reports that sulfur incorporation into nickel-iron layered double hydroxide (NiFe-LDH-S) can fulfill the abovementioned requirements for seawater oxidation. Sulfidation was performed on NiFe-LDH nanosheets homogeneously grown on a porous carbon scaffold via a facile chemical vapor deposition (CVD) process. The best NiFe-LDH-S sample demonstrated excellent catalytic activity with a high corrosion resistance for seawater oxidation.

引用

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