Bubble Engineering on Micro-/Nanostructured Electrodes for Water Splitting

被引：72
|
作者：
Li, Mengxuan [1 ]
Xie, Pengpeng [1 ]
Yu, Linfeng [1 ]
Luo, Liang [1 ]
Sun, Xiaoming [1 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
ACS NANO | 2023年 / 17卷 / 23期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
water splitting; micro-/nanostructured electrode; wettability; bubble engineering; mass transfer; bubble kinetics; localized electric field; directional transportation; HYDROGEN EVOLUTION; OXYGEN EVOLUTION; GAS EVOLUTION; PERFORMANCE; GROWTH; REDUCTION; DYNAMICS; ELECTROCATALYSTS; ELECTROLYZERS; NUCLEATION;
D O I：
10.1021/acsnano.3c08831
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Bubble behaviors play crucial roles in mass transfer and energy efficiency in gas evolution reactions. Combining multiscale structures and surface chemical compositions, micro-/nanostructured electrodes have drawn increasing attention. With the aim to identify the exciting opportunities and rationalize the electrode designs, in this review, we present our current comprehension of bubble engineering on micro-/nanostructured electrodes, focusing on water splitting. We first provide a brief introduction of gas wettability on micro-/nanostructured electrodes. Then we discuss the advantages of micro-/nanostructured electrodes for mass transfer (detailing the lowered overpotential, promoted supply of electrolyte, and faster bubble growth kinetics), localized electric field intensity, and electrode stability. Following that, we outline strategies for promoting bubble detachment and directional transportation. Finally, we offer our perspectives on this emerging field for future research directions.
引用
收藏
页码：23299 / 23316
页数：18
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