Development of phase change materials (PCMs) for low temperature energy storage applications

被引:78
|
作者
Sharma, Atul [1 ]
Shukla, A. [1 ]
Chen, C. R. [2 ]
Wu, Tsung-Nan [2 ]
机构
[1] Rajiv Gandhi Inst Petr Technol, Nonconvent Energy Lab, Rae Bareli 229316, India
[2] Kun Shan Univ, Dept Mech Engn, Tainan 71003, Taiwan
关键词
Phase change materials; Latent heat; Fatty acids; Thermal energy storage;
D O I
10.1016/j.seta.2014.02.009
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The fatty acids are generally used as phase change materials (PCMs) in thermal energy storage (TES) applications, but the high cost of these PCMs is a big drawback which limits their applications. So, there is a need for low cost PCMs development with thermal stability, by using these PCMs the system cost may also reduce. Therefore, this paper deals with the development of binary mixtures based on commercial grade fatty acids such as lauric acid (LA), myristic acid (MA), stearic acid (SA) and palmitic acid (PA). In this regard, a series of binary mixtures i.e., LA-MA, LA-SA, LA-PA, MA-SA, MA-PA and PA-SA with varying weight percentages were developed and tested through the Differential Scanning Calorimetry (DSC). The DSC results showed that melting temperatures of LA-MA (30-80 wt.%), LA-SA (60-90 wt.%), LA-PA (40-90 wt.%), MA-SA and MA-PA (30-80 wt.%), and PA-SA (20-70 wt.%) are in the preferred temperature range 36-39, 34-38, 37-42, 45-50 and 56-58 degrees C respectively with high latent heat of fusion and these PCMs can be recommended for the buildings, solar water heating/drying/foot warmers applications. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:17 / 21
页数:5
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