Macroencapsulation and characterization of phase change materials for latent heat thermal energy storage systems

被引：178

作者：

Alam, Tanvir E. ^{[1
]}

Dhau, Jaspreet S. ^{[2
,3
,5
]}

Goswami, D. Yogi ^{[2
,4
]}

Stefanakos, Elias ^{[2
,3
]}

机构：

[1] Univ S Florida, Dept Mech Engn, Tampa, FL 33620 USA

[2] Univ S Florida, Clean Energy Res Ctr, Tampa, FL 33620 USA

[3] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA

[4] Univ S Florida, Dept Chem & Biomed Engn, Tampa, FL 33620 USA

[5] Florida Polytech Univ, Lakeland, FL 33805 USA

来源：

APPLIED ENERGY | 2015年 / 154卷

关键词：

Thermal energy storage; Latent heat storage; Phase change materials; Encapsulation; CONCENTRATING SOLAR POWER; N-OCTADECANE; PERFORMANCE; PCM; ENHANCEMENT; NITRATE; MICROENCAPSULATION; ENCAPSULATION; CONDUCTIVITY; AUGMENTATION;

D O I：

10.1016/j.apenergy.2015.04.086

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

080707 [能源环境工程]; 082001 [油气井工程];

摘要：

An innovative technique to encapsulate PCMs that melt in the 120-350 degrees C temperature range is presented. The developed technique does not require a sacrificial layer to accommodate the volumetric expansion of the PCMs on melting. The encapsulation consists of coating a non-reactive polymer over the PCM pellet followed by deposition of a metal layer by a novel non-vacuum metal deposition technique. The fabricated capsules have survived more than 2200 thermal cycles, which is equivalent to about seven years of service in a thermal energy storage system. Thermophysical properties of the PCMs were investigated by DSC/TGA, IR and weight change analysis. Thermal cycling test showed no significant degradation in these properties at any stage of testing. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：92 / 101

页数：10

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