Thermophysical properties of three-dimensional palygorskite based composite phase change materials
Wang, Yi1,2; Song, Yanhui1; Li, Shuang1; Zhang, Ting1; Zhang, Deyi1,2; Guo, Pengran3
2020-01
Source PublicationAPPLIED CLAY SCIENCE
ISSN0169-1317
Volume184
AbstractIn order to enhance the loading capacity of palygorskite (Pal) and further understand the relationship between pore size of carrier and thermal properties of mineral-based phase change materials (PCMs), series of three-dimensional palygorskite carriers and corresponding composite PCMs (CPCMs) were fabricated. The morphology, structural characteristics and thermal properties of the support and composite PCMs were determined by various techniques. The effects of support microstructure on the thermo physical properties of CPCMs were also discussed. The results revealed that the isocyanate functionalized palygorskite can be covalently bonded by dihydric alcohol to form three-dimensional Pal-based carrier. The pore diameter of the carrier varies with the chain length of dihydric alcohol. Since covalent bonding and surface functionalization can prevent the agglomeration of palygorskite crystals, thermal energy storage performance of stearic acid/three-dimensional palygorskite is increased by 67.4% to 100.7% within the scope of the study compared with that of stearic acid/palygorskite. The phase change temperature and latent heat of the composite phase change material have a linear correlation with pore size of support. This study is expected to be helpful for designing mineral-based porous carrier and providing guidance for optimizing CPCMs.
KeywordThermal energy storage Functionalized palygorskite Pore size Structure-property relationship
DOI10.1016/j.clay.2019.105367
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51562023] ; Research Fund Program of Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals[KF2018001]
WOS Research AreaChemistry ; Materials Science ; Mineralogy
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Mineralogy
WOS IDWOS:000510399100004
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64167
Collection石油化工学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorWang, Yi; Guo, Pengran
Affiliation1.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
3.Guangdong Inst Anal, Guangdong Engn Technol Res Ctr On Line Monitoring, Guangdong Prov Key Lab Emergency Test Dangerous C, Guangzhou 510070, Peoples R China
First Author AffilicationColl Petrochem Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Corresponding Author AffilicationColl Petrochem Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Wang, Yi,Song, Yanhui,Li, Shuang,et al. Thermophysical properties of three-dimensional palygorskite based composite phase change materials[J]. APPLIED CLAY SCIENCE,2020,184.
APA Wang, Yi,Song, Yanhui,Li, Shuang,Zhang, Ting,Zhang, Deyi,&Guo, Pengran.(2020).Thermophysical properties of three-dimensional palygorskite based composite phase change materials.APPLIED CLAY SCIENCE,184.
MLA Wang, Yi,et al."Thermophysical properties of three-dimensional palygorskite based composite phase change materials".APPLIED CLAY SCIENCE 184(2020).
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