A high power density photoactive thermal energy storage material for rapid heat release at low temperatures

doi:10.1016/j.matchemphys.2021.124336

	A high power density photoactive thermal energy storage material for rapid heat release at low temperatures
	Yang, Xiangyu 1,3; Li, Shijie 3; Li, Lin 2; Wang, Xiaomin 1; Wang, Yongzhen 1; Zhao, Jianguo 1,3
刊名	MATERIALS CHEMISTRY AND PHYSICS
	2021-04-15
卷号	263 页码:8
关键词	Photoactive chemical heat storage material High power density Excellent cycling stability Rapid heat release
ISSN号	0254-0584
DOI	10.1016/j.matchemphys.2021.124336
通讯作者	Wang, Yongzhen(wangyz62@163.com) ; Zhao, Jianguo(zhaojianguo@sxdtdx.edu.cn)
英文摘要	Developing of photoactive chemical heat storage materials with high power density and rapid heat release ability at low temperatures is a key challenge for efficient utilize of solar thermal energy. Herein, a photoactive chemical heat storage material is presented which fluorinated azobenzene (Azo(F)) is covalently attached onto reduced graphene oxide (rGO). The Azo(F)-rGO complex exhibits excellent heat storage density up to 364.4 kJ kg(-1), maximum power density of 2419.7 W kg(-1) and good storage half-life of 55.6 h because of the intermolecular hydrogen bond and the intermolecular interactions between azobenzene as a result of high attachment density. This Azo(F)-rGO complex also shows remarkable cycle performance through green light for 50 cycles without degradation and rapid heat release ability at low temperatures, which realizes high rate heat release for short-term rapid and concentrated heating. This work develops a promising Azo(F)-rGO photoactive chemical heat storage material, which not only has high heat storage density and power density but also realize the rapid heat release of stored solar energy at low temperatures, shows that it has great practical application potential in making full use of solar thermal energy in the future.
资助项目	National Natural Science Foundation of China[52071192] ; foundation for the construction of collaborative innovation center of graphene industrial application, Key Research and Development Project of Shanxi Province[201803D121122] ; Research and development projects in key areas of Guangdong Province[2020B0202010004]
WOS研究方向	Materials Science
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000632959300002
资助机构	National Natural Science Foundation of China ; foundation for the construction of collaborative innovation center of graphene industrial application, Key Research and Development Project of Shanxi Province ; Research and development projects in key areas of Guangdong Province
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/32879]
专题	中国科学院广州能源研究所
通讯作者	Wang, Yongzhen; Zhao, Jianguo
作者单位	1.Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Shanxi, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 3.Shanxi Datong Univ, Inst Carbon Mat Sci, Datong 037009, Shanxi, Peoples R China
推荐引用方式 GB/T 7714	Yang, Xiangyu,Li, Shijie,Li, Lin,et al. A high power density photoactive thermal energy storage material for rapid heat release at low temperatures[J]. MATERIALS CHEMISTRY AND PHYSICS,2021,263:8.
APA	Yang, Xiangyu,Li, Shijie,Li, Lin,Wang, Xiaomin,Wang, Yongzhen,&Zhao, Jianguo.(2021).A high power density photoactive thermal energy storage material for rapid heat release at low temperatures.MATERIALS CHEMISTRY AND PHYSICS,263,8.
MLA	Yang, Xiangyu,et al."A high power density photoactive thermal energy storage material for rapid heat release at low temperatures".MATERIALS CHEMISTRY AND PHYSICS 263(2021):8.