基于WO3工作电极和NiO-Pt对电极的长期稳定互补电色装置
Yajie Ke1, Zitao Wang1, Haiyi Xie1
1Hefei National Research Center for Physical Sciences at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China.
Membranes
|June 27, 2023
概括
本研究引入了用于互补电色器件 (ECD) 的新型NiO-Pt对应电极,显著改善循环稳定性,克服实际智能窗口应用的电荷不匹配问题.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 纳米技术 纳米技术
背景情况:
- 使用WO3和NiO电极的互补电色装置 (ECD) 对智能窗户至关重要.
- 由于离子捕捉和电荷不匹配,循环稳定性较差,这阻碍了实际的ECD应用.
研究的目的:
- 为了提高稳定性和克服补充电色器件中的电荷不匹配.
- 将部分覆盖的NiO-Pt对应电极 (CE) 引入到电色电极/反氧化/催化对应电极 (ECM/反氧化/CCE) 结构中.
主要方法:
- 组装了一个ECD与一个WO3工作电极和一个NiO-PtCE.
- 使用PC/LiClO4电解质,其中含有四甲基尿素/四甲基胺二硫化物 (TMTU/TMFDS2+) 的氧化还原对.
- 研究了制造的设备的电化学性能和循环稳定性.
主要成果:
- 实现了出色的电色性能:68.2%的光学调制,快速切换 (5.3秒彩色,12.8秒漂白) 和高颜色效率 (89.6cm2·C-1).
- 经过1万个循环,表现出了显著的循环稳定性.
- NiO-Pt CE和ECM/Redox/CCE结构有效地解决了电荷不匹配问题,并提高了稳定性.
结论:
- 拟议的ECM/Redox/CCE结构成功克服了互补的电色器件中的电荷不匹配.
- 的结合增强了氧化还原对的电化学活性,从而提高了设备的稳定性.
- 这项研究为开发耐用且实用的互补电色设备提供了一个有前途的战略.
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