Electropolymerized 1D Growth Coordination Polymer for Hybrid Electrochromic Aqueous Zinc Battery,Advanced Science

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Electropolymerized 1D Growth Coordination Polymer for Hybrid Electrochromic Aqueous Zinc Battery
Advanced Science ( IF 14.3 ) Pub Date : 2021-09-17 , DOI: 10.1002/advs.202101944
Wei Church Poh ₁ , Xuefei Gong ₁ , Fei Yu ₁ , Pooi See Lee _{1,

2}

Affiliation

Organic materials are always viewed as promising electrochromic (EC) materials due to their synthetic versatility, color tunability, ready processability, and derivability from sustainable feedstocks. Most organic materials, however, are prone to undesirable redox side reactions in the presence of oxygen and water. As such, redox–active organic layers are often used in tandem with organic electrolytes to preserve their electrochemical stability. With the growing interest in electronics that are environmentally sustainable and biologically safe, developing aqueous-compatible organic materials is gaining growing interest. Herein, a rationally designed iron terpyridyl coordination polymer (CP) is prepared by controlled electropolymerization for realization of aqueous compatible EC and energy storage applications. Detailed analysis is established, showing that the CP grows in a 1D fashion and exhibits a predominant capacitive behavior which is reflected from its rapid charge–transfer kinetics. Taking this as an advantage, an integrated hybrid electrochromic zinc battery device is demonstrated with high color contrast, fast response time, and good endurance.

中文翻译：

用于混合电致变色水系锌电池的电聚合一维生长配位聚合物

有机材料因其合成多功能性、颜色可调性、易于加工性以及可从可持续原料中衍生而始终被视为有前途的电致变色（EC）材料。然而，大多数有机材料在氧气和水存在下容易发生不良的氧化还原副反应。因此，氧化还原活性有机层通常与有机电解质串联使用，以保持其电化学稳定性。随着人们对环境可持续和生物安全的电子产品越来越感兴趣，开发与水相容的有机材料也越来越受到人们的关注。在此，通过受控电聚合制备了合理设计的三联吡啶铁配位聚合物（CP），以实现水相容的EC和储能应用。详细的分析表明，CP 以一维方式生长，并表现出主要的电容行为，这反映在其快速电荷转移动力学上。以此为优势，展示了一种集成混合电致变色锌电池装置，具有高色彩对比度、快速响应时间和良好的耐用性。

更新日期：2021-11-04

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