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带有增强电导性的稳金属有机框架用于黑棕色的电色储能智能窗口

Xinyi Wang¹, Zhiqiang Liu¹, Heqi Ma¹

¹Key for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, School of Nanoscience and Materials Engineering, Henan University, Kaifeng, 475004, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|October 1, 2024

概括

研究人员开发了一种新的导电金属有机框架 (MOF) 用于电色和储能. 这种Ni-DPNDI材料显示了增强的导电性,使智能窗口应用成为可能.

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:

金属有机框架 (MOF) 在电色化和能量储存方面表现有前途.
MOF的电导率较差限制了它们的电化学应用,特别是在单电极系统中.

研究的目的:

开发一种基于Ni的新型MOF,其电导率提高,以提高电化学性能.
调查新MOF材料的电色和储能能力.

主要方法:

合成一种新的基于Ni的MOF (Ni-DPNDI),利用π移位的DPNDI连接器来提高导电性.
描述MOF的导电性,电色特性 (光学调制,切换速度) 和储能性能 (特定电容,循环稳定性).

主要成果:

尼-DPNDI MOF 在 300 K. 达到 4.63 S·m-1 的导电性.
证明了出色的电色性能,具有60.8%的光学调制和快速切换速度 (t_c = 7.9 秒,t_b = 6.4 秒).
呈现出适度的特定电容 (25.3 mAh·g-1) 和良好的周期稳定性 (>2000 个周期),通过颜色变化可视化能量储存.

结论:

开发的Ni-DPNDI MOF为传统MOF的导电性限制提供了可行的解决方案.
这种材料显示出先进的电色设备和储能系统,包括智能窗户的巨大潜力.
该战略为设计下一代电子设备的多功能多孔材料提供了一个新的途径.

关键词:

导电性的导电性是指导电的导电性.电色化是一种电色化.储能储能是一种储能.金属有机的框架.智能窗口是一个智能窗口.

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