期刊
17TH IUMRS INTERNATIONAL CONFERENCE IN ASIA (IUMRS-ICA 2016)
卷 182, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1757-899X/182/1/012015
关键词
phase change materials; microencapsulation; thermal conductivity; carbon nanotubes reinforced shell
资金
- National Natural Science Foundation of China [51102230, 51462006]
- Guangxi Natural Science Foundation [2014GXNSFAA118401, 2013GXNSFBA019244]
- Innovation Project of GUET Graduate Education [2016YJCX21]
- Program for Postgraduate Joint Training Base of GUET-CJYRE [2016051314-Z]
Novel microencapsulated phase change materials (micro-PCMs) were synthesized via in-situ polymerization with modified carbon nanotubes(CNTs) reinforced melamineformaldehyde resin as shell material and CNTs reinforced n-octadecane as PCMs core. DSC results confirm that the micro-PCMs possess good phase change behavior and excellent thermal cycling stability. Melting enthalpy of the micro-PCMs can achieve 133.1 J/g and has slight changes after 20 times of thermal cyclings. And the incorporation of CNTs supplies the micro-PCMs with fast thermal response rate which increases the crystallization temperature of the micro-PCMs. Moreover, the thermal conductivity of the micro-PCMs has been significantly enhanced by introducing CNTs into their shell and core materials. And the thermal conductivity of micro-PCMs with 1.67 wt.% CNTs can increase by 25%. These results exhibit that the obtained micro-PCMs have a good prospect in thermal energy storage applications.
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