材料科学
电致变色
循环伏安法
光致变色
均苯四甲酸二酐
普鲁士蓝
锂(药物)
氧化还原
光化学
热重分析
阴极
电化学
化学
无机化学
电极
有机化学
聚酰亚胺
纳米技术
物理化学
内分泌学
医学
图层(电子)
作者
Debo Wu,Yudie Zhu,Wansheng Jia,Youyuan Ran,Li Wang
标识
DOI:10.1002/slct.202103074
摘要
Abstract Organic electrode materials evoked wide attention due to the abundance of raw materials. Incorporating redox‐active units into organic electrode materials could expand the functionality of this class of materials. In this work, three organic crystals of OC‐1, OC‐2 and OC‐3 were synthesized based on the reaction between aminomethane and pyromellitic dianhydride (PMDA), 1,4,5,8‐naphthalenete‐tracarboxylicdianhydride (NTCDA), and 3,4,9,10‐perylene‐tetracarboxylicacid‐dianhydride (PTCDA), respectively. The crystals were characterized by X‐ray diffraction, thermogravimetric analyses, infrared spectra and cyclic voltammetry measurements. The results showed that the three crystals exhibited photochromic and electrochromic properties simultaneously due to the generation of free radicals. In addition, these crystals were also investigated as cathode materials for lithium‐ion battery. The resulting battery showed that the first discharge capacities of OC‐1, OC‐2, and OC‐3 could reach to 81.5 %, 93 %, and 87 % of their corresponding theoretical capacities.
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