耐久性
电解质
锌
材料科学
对比度(视觉)
冶金
复合材料
化学
光学
电极
物理
物理化学
作者
Nikhil Chandra Bhoumik,Desmond C. Madu,Cheon Woo Moon,Lorenzo S. Arvisu,Michael D. McGehee,Christopher J. Barile
出处
期刊:Joule
[Elsevier]
日期:2024-02-01
被引量:1
标识
DOI:10.1016/j.joule.2024.01.023
摘要
In this study, we design high-performing dynamic windows based on the reversible electrodeposition of Zn from nonaqueous electrolytes containing dimethyl sulfoxide (DMSO). We develop Zn-DMSO electrolytes that support electrochemically and optically reversible Zn electrodeposition with high optical contrast (∼75% clear-state transmission and <0.1% dark-state transmission). The optoelectronic reversibility of the Zn electrodeposition enables devices to cycle thousands of times without degradation in optical contrast. The electrolytes facilitate the formation of a compact Zn electrodeposit morphology that blocks light efficiently, which reduces the current needed and thereby aids in device scale-up due to a minimal voltage drop across the transparent conducting electrode. Devices with a transparent Zn mesh as the counter electrode switch uniformly at the 100-cm2 scale. Lastly, the noncorrosive nature of the Zn electrolytes results in the formation of devices that possess long-term shelf lives and dark-state stability in the absence of applied power.
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