Recent progress in in-situ visualization of electrochemical reactions in electrochemical energy devices

被引：15
作者：
Wang, Weitian [1 ]
Xie, Zhiqiang [1 ]
Li, Kui [1 ]
Yu, Shule [1 ]
Ding, Lei [1 ]
Zhang, Feng-Yuan [1 ]
机构：
[1] Univ Tennessee, UT Space Inst, Dept Mech Aerospace & Biomed Engn, Nanodynam & High Efficiency Lab Prop & Power NanoH, Knoxville, TN 37388 USA
来源：
CURRENT OPINION IN ELECTROCHEMISTRY | 2022年 / 35卷
关键词：
Bubble dynamics; Electrochemical reactions; Green hydrogen; In-situ visualization; Electrode design; Transparent cell development; LIQUID/GAS DIFFUSION LAYERS; HYDROGEN-PRODUCTION; 2-PHASE FLOW; ELECTROLYZER; EFFICIENCY; PERFORMANCE; BUBBLES;
D O I：
10.1016/j.coelec.2022.101088
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：
A growing body of evidence indicates that bubble dynamics are crucial performance-limiting factors on electrochemical reactions and energy conversion efficiencies in both half-cell and full-cell device levels. This review aims to summarize the recent progress in in-situ visualization characterizations of electrochemical reactions and reactant/product transport in electrochemical energy systems. The latest achievements of various new electrodes, transparent cell designs, and development for simultaneous visualization of reactions at both electrodes and electrolyte/electrode interface are highlighted. The new insights into the influence of bubbles on reaction sites and associated electrochemical performances are discussed. Finally, some perspectives on potential strategies for mitigating the bubble-induced energy losses are proposed for future research directions and opportunities in water electrolysis and other electrochemical energy systems.
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页数：8
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