The effect of 3D carbon nanoadditives on lithium hydroxide monohydrate based composite materials for highly efficient low temperature thermochemical heat storage

doi:10.1039/c8ra00269j

	The effect of 3D carbon nanoadditives on lithium hydroxide monohydrate based composite materials for highly efficient low temperature thermochemical heat storage
	Li, Shijie 1,3; Huang, Hongyu 3; Li, Jun 4; Kobayashi, Noriyuki 4; Osaka, Yugo 2; He, Zhaohong 3; Yuan, Haoran 3
刊名	RSC ADVANCES
	2018
卷号	8 期号:15 页码:8199-8208
ISSN号	2046-2069
DOI	10.1039/c8ra00269j
通讯作者	Huang, Hongyu(huanghy@ms.giec.ac.cn) ; Li, Jun(Junli@energy.gr.jp)
英文摘要	Lithium hydroxide monohydrate based thermochemical heat storage materials were modified with in situ formed 3D-nickel-carbon nanotubes (Ni-CNTs). The nanoscale (5-15 nm) LiOH center dot H2O particles were well dispersed in the composite formed with Ni-CNTs. These composite materials exhibited improved heat storage capacity, thermal conductivity, and hydration rate owing to hydrogen bonding between H2O and hydrophilic groups on the surface of Ni-CNTs, as concluded from combined results of in situ DRIFT spectroscopy and heat storage performance test. The introduction of 3D-carbon nanomaterials leads to a considerable decrease in the activation energy for the thermochemical reaction process. This phenomenon is probably due to Ni-CNTs providing an efficient hydrophilic reaction interface and exhibiting a surface effect on the hydration reaction. Among the thermochemical materials, Ni-CNTs-LiOH center dot H2O-1 showed the lowest activation energy (23.3 kJ mol(-1)), the highest thermal conductivity (3.78 W m(-1) K-1) and the highest heat storage density (3935 kJ kg(-1)), which is 5.9 times higher than that of pure lithium hydroxide after the same hydration time. The heat storage density and the thermal conductivity of Ni-CNTs-LiOH center dot H2O are much higher than 1D MWCNTs and 2D graphene oxide modified LiOH center dot H2O. The selection of 3D carbon nanoadditives that formed part of the chemical heat storage materials is a very efficient way to enhance comprehensive performance of heat storage activity components.
资助项目	Science and Technology Planning Project of Guangdong Province, China[2016A050502040] ; Research project of the Chinese Academy of Sciences[QYZDY-SSW-JSC038] ; National Natural Science Foundation of China[51406209]
WOS关键词	THERMAL-ENERGY STORAGE ; PHASE-CHANGE MATERIALS ; PROMISING CANDIDATE ; ACTIVATION-ENERGY ; NANOTUBE SPONGES ; FACILE SYNTHESIS ; SOLAR HEAT ; SURFACE ; DENSITY ; DECOMPOSITION
WOS研究方向	Chemistry
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000427502300036
资助机构	Science and Technology Planning Project of Guangdong Province, China ; Research project of the Chinese Academy of Sciences ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/23159]
专题	中国科学院广州能源研究所
通讯作者	Huang, Hongyu; Li, Jun
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Kanazawa Univ, Kanazawa, Ishikawa 9201192, Japan 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Prov Key Lab New & Renewable Energy Res, Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China 4.Nagoya Univ, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
推荐引用方式 GB/T 7714	Li, Shijie,Huang, Hongyu,Li, Jun,et al. The effect of 3D carbon nanoadditives on lithium hydroxide monohydrate based composite materials for highly efficient low temperature thermochemical heat storage[J]. RSC ADVANCES,2018,8(15):8199-8208.
APA	Li, Shijie.,Huang, Hongyu.,Li, Jun.,Kobayashi, Noriyuki.,Osaka, Yugo.,...&Yuan, Haoran.(2018).The effect of 3D carbon nanoadditives on lithium hydroxide monohydrate based composite materials for highly efficient low temperature thermochemical heat storage.RSC ADVANCES,8(15),8199-8208.
MLA	Li, Shijie,et al."The effect of 3D carbon nanoadditives on lithium hydroxide monohydrate based composite materials for highly efficient low temperature thermochemical heat storage".RSC ADVANCES 8.15(2018):8199-8208.