四邻位偶氮苯分子的储能性能研究  

RESEARCH ON ENERGY STORAGE PERFORMANCE OF TETRA-ORTHO-AZOBENZENE MOLECULES

作　　者：江艳 黄金[2,3] 罗文[2] Jiang Yan;Huang Jin;Luo Wen(College of Mechanical and Automotive Engineering,Zhaoqing University,Zhaoqing 526061,China;School of Materials and Energy,Guangdong University of Technology,Guangzhou 510006,China;School of Electric Engineering,Guangdong Polytechnic of Water Resources and Electric Engineering,Guangzhou 510635,China)

机构地区：[1]肇庆学院机械与汽车工程学院,肇庆526061 [2]广东工业大学材料与能源学院,广州510006 [3]广东水利电力职业技术学院电力工程学院,广州510635

出　　处：《太阳能学报》2024年第8期10-16,共7页Acta Energiae Solaris Sinica

基　　金：广东省基础与应用基础研究基金(2022A1515110775);广东省普通高校青年创新人才项目(2020KQNCX094);肇庆学院科研资金资助项目(190128)。

摘　　要：基于光响应化合物的分子太阳能储存技术是一种独特的太阳能热转换和储存技术,以所合成的四邻位偶氮苯分子为研究对象,通过实验研究的方法,对该偶氮苯分子的异构化性能、储能性能和稳定性进行实验研究。研究结果表明:四邻位偶氮苯分子在红光、绿光和紫外光激发下能发生异构化现象,在室温下其回复半衰期为70 min,在红光、绿光和紫外光照射后的异构化程度分别为28%、41%和59%。四邻位偶氮苯分子在异构化程度为100%时,其储能密度为37.88 kJ/mol。此外,四邻位偶氮苯分子展现出优异的循环性和热稳定性。Molecular solar energy storage technology based on photoresponsive compounds is a unique solar thermal conversion and storage technology.The isomerization performance,energy storage performance and stability of the synthesized tetra-ortho azobenzene molecule were studied experimentally.The results show that the tetra-ortho-azobenzene molecule can undergo isomerization under red,green and ultraviolet light excitation,and its half-life is 70 min at room temperature.The degree of isomerization after red,green and ultraviolet light irradiation is 28%,41%and 59%,respectively.When the isomerization degree of the tetra-ortho-azobenzene molecule is 100%,its energy storage density is 37.88 kJ/mol.In addition,the tetra-ortho azobenzene molecule exhibits excellent cycle performance and thermal stability.

关 键 词：储能 太阳能 偶氮苯 异构化 循环稳定性 热稳定性 

分 类 号：TK02[动力工程及工程热物理]