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Effects of sodium chloride on the thermal behavior of oxalic acid dihydrate for thermal energy storage
Han, Lipeng1,2; Xie, Shaolei1; Liu, Shang1,2; Sun, Jinhe1; Jia, Yongzhong1; Jing, Yan1
2017
Source PublicationAPPLIED ENERGY
Volume185Pages:762-767
SubtypeArticle
AbstractOxalic acid dihydrate (OAD), which is inexpensive and has a high initial phase transition enthalpy, is a very promising phase change material. However, severe material leakage can occur owing to the large amount of steam generated when OAD is heated to melt. This behavior subsequently degrades the thermophysical properties of OAD over time, thereby hindering further application of OAD. In the present study, NaCl was introduced as an additive in OAD to reduce its melting point. Results showed that a NaCl additive content of 9 wt% was the optimal amount to reduce the phase change temperature of OAD and produce sharp endothermal and exothermal peaks without reducing the phase change enthalpy significantly. Furthermore, minimal changes in the thermophysical properties of this mixture were observed after being subjected to 100 thermal cycles. The current findings are expected to broaden the application scope of OAD for thermal energy storage. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordPhase Change Materials Thermal Energy Storage Oxalic Acid Dihydrate Sodium Chloride Melting Point
WOS HeadingsScience & Technology ; Technology
WOS KeywordPHASE-CHANGE MATERIALS ; PERFORMANCE ; SYSTEMS ; STABILITY
Indexed BySCI
Language英语
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000390494600062
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6182
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
Affiliation1.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Han, Lipeng,Xie, Shaolei,Liu, Shang,et al. Effects of sodium chloride on the thermal behavior of oxalic acid dihydrate for thermal energy storage[J]. APPLIED ENERGY,2017,185:762-767.
APA Han, Lipeng,Xie, Shaolei,Liu, Shang,Sun, Jinhe,Jia, Yongzhong,&Jing, Yan.(2017).Effects of sodium chloride on the thermal behavior of oxalic acid dihydrate for thermal energy storage.APPLIED ENERGY,185,762-767.
MLA Han, Lipeng,et al."Effects of sodium chloride on the thermal behavior of oxalic acid dihydrate for thermal energy storage".APPLIED ENERGY 185(2017):762-767.
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