Non-eutectic Phase Change Materials for Cold Thermal Energy Storage

被引：12

作者：

Sze, Jia Yin ^{[1
]}

Mu, Chenzhong ^{[1
]}

Romagnoli, Alessandro ^{[1
,2
]}

Li, Yongliang ^{[3
]}

机构：

[1] Energy Res Inst NTU, 1 CleanTech Loop,06-04, Singapore 637141, Singapore

[2] Nanyang Technol Univ, Sch Mech & Aerosp Engn, 50 Nanyang Ave, Singapore 639798, Singapore

[3] Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England

来源：

LEVERAGING ENERGY TECHNOLOGIES AND POLICY OPTIONS FOR LOW CARBON CITIES | 2017年 / 143卷

基金：

新加坡国家研究基金会; 英国工程与自然科学研究理事会;

关键词：

phase change materials; cold thermal energy storage; differential scanning calorimetry; LATENT-HEAT; AQUEOUS-SOLUTIONS; FUSION; ICE;

D O I：

10.1016/j.egypro.2017.12.742

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Phase change materials provide high-density thermal energy storage and a wide range of temperatures are required to meet different storage applications for cascaded thermal storage systems. Thus, non-eutectic phase change materials, namely aqueous ethylene glycol and ethanol solutions, are investigated in this paper for potential applications in high-grade cold thermal energy storage applications. The aqueous solutions of varying concentrations are characterized by differential scanning calorimetry and thermal response measurements for bulk PCMs. The phase change materials are able to meet a wide range of storage temperatures with no issue of phase separation. Graphene oxide powder of 1 wt.% is added as a stable nano-filler to enhance thermal conductivity and reduce supercooling degrees. Through thermal response measurements, improvements of charging times in the phase change of aqueous ethylene glycol and ethanol solutions are observed. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：656 / 661

页数：6

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