Enhanced thermal properties and lab-scale thermal performance of polyethylene glycol/modified halloysite nanotube form-stable phase change material cement panel

doi:10.1016/j.conbuildmat.2022.126550

GIEC OpenIR

	Enhanced thermal properties and lab-scale thermal performance of polyethylene glycol/modified halloysite nanotube form-stable phase change material cement panel
	Gu, Xiaobin 1,3; Peng, Lihua 2; Liu, Peng 3; Bian, Liang 3,4; Wei, Boxuan 5
	2022-03-14
发表期刊	CONSTRUCTION AND BUILDING MATERIALS
ISSN	0950-0618
卷号	323 页码:12
通讯作者	Peng, Lihua(ppku@pku.edu.cn)
摘要	Phase change material (PCM) with large thermal storage capacity and constant phase change temperature is one of the most promising materials for building energy saving. However, its leakage problem and poor thermal conductivity have largely hindered its large-scale application. This study, therefore, utilizes acid-modified halloysite to encapsulate PCM for preparing form-stable PCM with enhanced thermal storage capacity and systematically investigates the thermal conductivity enhancement on the thermal performance of FSPCM cement panel by a lab-scale test chamber. The study results indicated that the maximum PCM loading for the acidmodified halloysite-based FSPCM was 55 wt%, 10 wt% higher than that of the original one and the associated mechanism of acid-modification was in-depth discussed. The as-prepared FSPCM had comparatively high thermal storage capacity and appropriate phase change temperature. Although the addition of FSPCM may decrease the mechanical properties of cement panels, the prepared sample can still meet the standard for building application. More importantly, the thermal conductivity enhancement of the FSPCM cement panel had a different impact on its thermal performance for various models and the reasons for this difference were systematically investigated. The study results can provide insights into the preparation and building application of FSPCM.
关键词	Phase change material Acid-etched halloysite nanotube Enhanced thermal storage capacity Thermal conductivity Thermal performance improvement
DOI	10.1016/j.conbuildmat.2022.126550
关键词[WOS]	COMPOSITE ; PCM ; CARBON ; CONDUCTIVITY ; ADDITIVES ; HEAT
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[41872039] ; National Natural Science Foundation of China[41831285] ; Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan province[2018CL20] ; Shenzhen Science and Technology Research Funding
WOS研究方向	Construction & Building Technology ; Engineering ; Materials Science
项目资助者	National Natural Science Foundation of China ; Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan province ; Shenzhen Science and Technology Research Funding
WOS类目	Construction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS记录号	WOS:000753452700001
出版者	ELSEVIER SCI LTD
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/35855
专题	中国科学院广州能源研究所
通讯作者	Peng, Lihua
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 2.Shenzhen Univ, Coll Civil & Transportat Engn, Shenzhen 518060, Peoples R China 3.Hebei GEO Univ, Coll Gems & Mat Technol, Shijiazhuang 050031, Hebei, Peoples R China 4.South West Univ Sci & Technol, Key Lab Solid Waste Treatment & Resource Recycle, Minist Educ, Mianyang, Sichuan, Peoples R China 5.Inner Mongolia Univ Sci & Technol, Sch Sci, Baotou 014000, Inner Mongolia, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Gu, Xiaobin,Peng, Lihua,Liu, Peng,et al. Enhanced thermal properties and lab-scale thermal performance of polyethylene glycol/modified halloysite nanotube form-stable phase change material cement panel[J]. CONSTRUCTION AND BUILDING MATERIALS,2022,323:12.
APA	Gu, Xiaobin,Peng, Lihua,Liu, Peng,Bian, Liang,&Wei, Boxuan.(2022).Enhanced thermal properties and lab-scale thermal performance of polyethylene glycol/modified halloysite nanotube form-stable phase change material cement panel.CONSTRUCTION AND BUILDING MATERIALS,323,12.
MLA	Gu, Xiaobin,et al."Enhanced thermal properties and lab-scale thermal performance of polyethylene glycol/modified halloysite nanotube form-stable phase change material cement panel".CONSTRUCTION AND BUILDING MATERIALS 323(2022):12.