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Test and improvement of the cyclic stability of oxalic acid dihydrate for thermal energy storage
Han, Lipeng1,2,3; Xie, Shaolei1,2; Ma, Guixiang1,2,3; Sun, Jinhe1,2; Jia, Yongzhong1,2; Jing, Yan1,2
2016-12-10
Source PublicationTHERMOCHIMICA ACTA
Volume645Pages:24-30
SubtypeArticle
AbstractOxalic acid dihydrate (OAD) which has the high initial phase transition enthalpy is a promising PCM for thermal energy storage (TES). However, large degradations of thermophysical properties over time have restricted further application of OAD. Cyclic stability of OAD, which means thermal cycling stability, needs to be improved to give full play to its potential for TES. In this paper, cyclic stability of OAD was determined by using ordinary aluminum pans and high pressure gold-plated pans in DSC measurement. In addition, PEG (with different molecular weights) was added to improve cyclic stability of OAD. Results show that the containers with good sealing performance and strong corrosion resistance are vital for the application of OAD. Meanwhile, adding 2.5% PEG 6000 gives better cyclic stability to OAD without affecting its melting temperature neither decreasing significantly its heat of fusion. (C) 2016 Elsevier B.V. All rights reserved.
KeywordThermal Energy Storage Phase Change Materials Cyclic Stability Oxalic Acid Dihydrate Polyethylene Glycol
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordPHASE-CHANGE MATERIALS ; LATENT-HEAT-STORAGE ; DIFFERENTIAL SCANNING CALORIMETRY ; POLY(ETHYLENE GLYCOL) ; BLENDS ; COMPOSITES ; RECOVERY ; GRAPHITE
Indexed BySCI
Language英语
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000389116300004
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6172
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, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
2.Qinghai Engn & Technol Res Ctr Comprehens Utiliza, Xining 810008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Han, Lipeng,Xie, Shaolei,Ma, Guixiang,et al. Test and improvement of the cyclic stability of oxalic acid dihydrate for thermal energy storage[J]. THERMOCHIMICA ACTA,2016,645:24-30.
APA Han, Lipeng,Xie, Shaolei,Ma, Guixiang,Sun, Jinhe,Jia, Yongzhong,&Jing, Yan.(2016).Test and improvement of the cyclic stability of oxalic acid dihydrate for thermal energy storage.THERMOCHIMICA ACTA,645,24-30.
MLA Han, Lipeng,et al."Test and improvement of the cyclic stability of oxalic acid dihydrate for thermal energy storage".THERMOCHIMICA ACTA 645(2016):24-30.
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