Effect of encapsulation and additives doping on the thermophysical properties of erythritol for thermal energy storage
Wang, Yi1,2; Qin, Ziyi1; Zhang, Ting1; Zhang, Zhengfei1; Li, Yong1
2020-03
发表期刊JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
ISSN1941-7012
卷号12期号:2
摘要

We wished to improve the thermophysical properties and thermal stability of meso-erythritol (ET) for storage of thermal energy. Hence, capsules containing ET with polysiloxane (pSiO) shells were fabricated using ultraviolet-assisted in situ polymerization, and the effects of encapsulation and additives doping on the thermophysical properties of ET were studied. Differential scanning calorimetry showed that the heat-release performance of the composite (pSiO-C-A@ET) upon addition of 3.0 wt. % carboxymethylcellulose (CMC) and 9.0 wt. % nano-alpha-Al2O3 increased significantly from 64.1% to 89.0%, and the supercooling degree decreased dramatically from 89.5 degrees C to 17.0 degrees C, compared with that of pure ET. Spectroscopy (Fourier transform-infrared, x-ray diffraction) implied no change in the crystal structure of ET after encapsulation by pSiO shells. Addition of a nucleation agent (nano-alpha-Al2O3) and thickening agent (CMC) had no effect on the crystal structure of pSiO-C-A@ET. The thermal conductivity of pSiO@ET and pSiO-C-A@ET capsules increased by 6.2% and 20.0% compared with that of pure ET (0.65 W/m center dot K) at 25 degrees C, respectively. The thermal conductivity was enhanced noticeably by doping with nano-alpha-Al2O3. Results from accelerated thermal cycling suggested that pSiO@ET and pSiO-C-A@ET capsules exhibited good thermal stability and thermal durability. These data suggest that composite phase-change materials could be employed for applications involving storage of thermal energy.

关键词Alumina Aluminum oxide Crystal structure Differential scanning calorimetry Digital storage Doping (additives) Heat storage Phase change materials Silicon Silicones Storage (materials) Thermal energy Thermodynamic stability Accelerated thermal cycling Carboxymethylcellulose Composite phase change materials Effect of encapsulation Fourier transform infra reds In-situ polymerization Supercooling degrees Ultraviolet-assisted
DOI10.1063/1.5134103
收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Foundation of China[51562023] ; Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals[KF2018001]
WOS研究方向Science & Technology - Other Topics ; Energy & Fuels
WOS类目Green & Sustainable Science & Technology ; Energy & Fuels
WOS记录号WOS:000520490100001
出版者AMER INST PHYSICS
EI入藏号20201208324010
EI主题词Thermal conductivity
EI分类号549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 641.1 Thermodynamics - 694.4 Storage - 722.1 Data Storage, Equipment and Techniques - 804.2 Inorganic Compounds - 815.1.1 Organic Polymers - 933.1.1 Crystal Lattice - 944.6 Temperature Measurements
来源库WOS
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/64320
专题省部共建有色金属先进加工与再利用国家重点实验室
石油化工学院
通讯作者Wang, Yi
作者单位1.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
第一作者单位石油化工学院;  省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位石油化工学院;  省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位石油化工学院
推荐引用方式
GB/T 7714
Wang, Yi,Qin, Ziyi,Zhang, Ting,et al. Effect of encapsulation and additives doping on the thermophysical properties of erythritol for thermal energy storage[J]. JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY,2020,12(2).
APA Wang, Yi,Qin, Ziyi,Zhang, Ting,Zhang, Zhengfei,&Li, Yong.(2020).Effect of encapsulation and additives doping on the thermophysical properties of erythritol for thermal energy storage.JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY,12(2).
MLA Wang, Yi,et al."Effect of encapsulation and additives doping on the thermophysical properties of erythritol for thermal energy storage".JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY 12.2(2020).
条目包含的文件
条目无相关文件。
个性服务
查看访问统计
谷歌学术
谷歌学术中相似的文章
[Wang, Yi]的文章
[Qin, Ziyi]的文章
[Zhang, Ting]的文章
百度学术
百度学术中相似的文章
[Wang, Yi]的文章
[Qin, Ziyi]的文章
[Zhang, Ting]的文章
必应学术
必应学术中相似的文章
[Wang, Yi]的文章
[Qin, Ziyi]的文章
[Zhang, Ting]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。