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A thermally stable phase change material with high latent heat based on an oxalic acid dihydrate/boric acid binary eutectic system
Xie, Shaolei1; Sun, Jinhe1; Wang, Zhao2; Liu, Shang2; Han, Lipeng2; Ma, Guixiang2; Jing, Yan1; Jia, Yongzhong1
2017-08-01
发表期刊SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷号168页码:38-44
文章类型Article
摘要An oxalic acid dihydrate/boric acid (OCD-BA) binary eutectic mixtures containing 88 wt% OCD and 12 wt% BA was investigated as a novel phase change material (PCM) with high latent heat and thermal stability. The solid liquid phase diagram of binary systems is established, and the phase change temperature of OCD-BA binary eutectic mixture is 87.3 degrees C and the latent heats of the melting and crystallization process are 344 J g(-1) and 262 J g(-1), respectively. Its thermophysical properties and thermal stability were studied using differential scanning calorimetry (DSC), Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), and Scanning electron microscopy-Energy dispersive spectroscopy (SEM-EDS). Its thermal stability was investigated in situ through 100 cycles using DSC and 1000 thermal cycling tests using Refrigerated and heating circulators (RHC). The latent heat of melting still exceed 280 J g(-1) after 1000 heating/cooling cycles. The heat release platform sustained 5 h at more than 70.0 degrees C, and the degree of supercooling was only 1.0 degrees C according to T-history method. These results indicate that the newly prepared OCD-BA binary eutectic mixture is a potential PCM for thermal storage tanks.
关键词Oxalic Acid Dihydrate Boric Acid Eutectic Phase Change Materials (Pcms) Thermal Stability
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]CHANGE MATERIALS PCMS ; ENERGY-STORAGE ; STEARIC-ACID ; N-OCTADECANE ; MIXTURES ; TANK ; EQUILIBRIUM ; PERFORMANCE ; CHLORIDE
收录类别SCI
语种英语
WOS研究方向Energy & Fuels ; Materials Science ; Physics
WOS类目Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000405883900006
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6236
专题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
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Xie, Shaolei,Sun, Jinhe,Wang, Zhao,et al. A thermally stable phase change material with high latent heat based on an oxalic acid dihydrate/boric acid binary eutectic system[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS,2017,168:38-44.
APA Xie, Shaolei.,Sun, Jinhe.,Wang, Zhao.,Liu, Shang.,Han, Lipeng.,...&Jia, Yongzhong.(2017).A thermally stable phase change material with high latent heat based on an oxalic acid dihydrate/boric acid binary eutectic system.SOLAR ENERGY MATERIALS AND SOLAR CELLS,168,38-44.
MLA Xie, Shaolei,et al."A thermally stable phase change material with high latent heat based on an oxalic acid dihydrate/boric acid binary eutectic system".SOLAR ENERGY MATERIALS AND SOLAR CELLS 168(2017):38-44.
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