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题名: A novel thermal-insulating film incorporating microencapsulated phase-change materials for temperature regulation and nano-TiO2 for UV-blocking
作者: Zhang, Huanzhi1, 3;  Zou, Yongjin1;  Sun, Yujia2;  Sun, Lixian1;  Xu, Fen1;  Zhang, Jian2;  Zhou, Huaiying1
关键词: Thermal insulating film ;  Phase change material ;  Temperature regulation ;  UV-blocking property
刊名: SOLAR ENERGY MATERIALS AND SOLAR CELLS
发表日期: 2015-06-01
DOI: 10.1016/j.solmat.2015.02.018
卷: 137, 页:210-218
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Energy & Fuels ;  Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Energy & Fuels ;  Materials Science ;  Physics
英文摘要: Phase-change materials (PCMs) have promising applications in the fields of solar energy storage, energy conservation in buildings, thermal insulation, and thermal regulation. In this study, novel multifunctional composite films were prepared via a thermosetting process using poly(vinyl chloride) (PVC) as a film matrix, microencapsulated PCMs (micro-PCMs) as a temperature-regulating additive and TiO2 nanoparticles (nano-TiO2) as a UV-blocking additive. The latent heat of the film fabricated with 6 wt% micro-PCMs and 6 wt% nano-TiO2 is 9.226 J/g. The film also shows high thermal stability, with no obvious change in thermal performance after 100 heating-cooling cycles. The temperature of a space enclosed by the film fabricated with 6 wt% micro-PCMs and 6 wt% nano-TiO2 can be controlled in the range 25-28 degrees C for 3298 s. The composite films exhibit a significantly decreased UV transmittance due to the UV absorption of nano-TiO2. Furthermore, the thermal conductivity of the sample fabricated with 6 wt% micro-PCMs and 6 wt% nano-TiO2 is 0.2356 W/(m K), which is comparable with that of a pure PVC film. These findings indicate that the novel thermal-insulating film is promising for use in energy-efficient building and automobile applications. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: ENERGY-STORAGE ;  N-OCTADECANE ;  HEAT-STORAGE ;  FABRICATION ;  PARTICLES
语种: 英语
WOS记录号: WOS:000352670800028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146172
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guangxi Collaborat Innovat Ctr Struct & Property, Dept Mat Sci & Engn, Guilin 541004, Peoples R China
2.Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Huanzhi,Zou, Yongjin,Sun, Yujia,et al. A novel thermal-insulating film incorporating microencapsulated phase-change materials for temperature regulation and nano-TiO2 for UV-blocking[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS,2015,137:210-218.
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