苯甲酰吡啶盐类有机电极材料的研究进展

Research progress in benzoylpyridinium-based organic electrode materials

发展绿色高效的电化学储能系统是实现可持续能源经济的重要措施之一.生物衍生有机氧化还原活性材料直接来源于生物体内的天然分子及其衍生物,具有资源丰富、环境友好、结构多样等优势,对开发高性能、低成本、绿色环保的可持续储能系统意义重大.羰基吡啶盐作为一类新兴的生物衍生骨架,是生物体内电子传递载体NAD^(+)/NADH序列中的关键结构单元,能够可逆地接受2个电子,具有优异的电化学活性和结构可修饰性.本文总结了生物衍生羰基吡啶盐类电极材料的设计思路、研究现状以及结构与性能之间的构效关系,阐述其在液流电池和碱金属电池等储能体系中的应用,最后展望羰基吡啶盐类电极材料的发展方向、面临的挑战以及改进方法等.本文为新型可持续有机电极材料的发展提供了新的思路.

Developing green and efficient electrochemical energy storage systems is one of the important strategies for achieving sustainable energy economy.Chemical modification of bio-derived redox-active motifs is a promising strategy for the development of next-generation green and high-performance energy storage applications.They held great advantages in build-in excellent redox properties,abundant resources,environmental friendliness and diverse structures.Carbonylpyridinium,as an emerging class of biologically derived frameworks,are key structural units in the NAD^(+)/NADH sequence of electron transfer carriers in organisms.They can reversibly accept two electrons and have excellent redox properties and structural modifiability.Herein,we summarize the structural characteristics,research progress and the relationship between structure and electrochemical performance of carbonylpyridinium-based electrode materials.The applications in redox flow batteries and alkali metal batteries are highlighted.Finally,the development direction,challenges,and improvement methods of carbonylpyridinium-based electrode materials are presented.This article provides new ideas for the development of new sustainable organic electrode materials.