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Preparation and properties of caprylic-nonanoic acid mixture/expanded graphite composite as phase change material for thermal energy storage
Wang, Zhao1,2; Liu, Shang1,2; Ma, Guixiang1,2; Xie, Shaolei1; Du, Guangwei3; Sun, Jinhe1; Jia, Yongzhong1
2017-12-01
发表期刊INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷号41期号:15页码:2555-2564
文章类型Article
摘要To satisfy the application demands for latent heat storage in the temperature range from 5 degrees C to 15 degrees C, an original composite phase change material (PCM), CA-NA/EG (caprylic-nonanoic acid/expanded graphite), was prepared and characterized. For CA-NA/EG, the mass ratio of CA and NA was 8:2, and the mass percentage of the CA-NA in CA-NA/EG composite PCM was determined as 90% by leakage test. The melting and freezing points of the CA-NA/EG were 6.84 degrees C and 9.34 degrees C, and corresponding latent heats were 108.75kJ/kg and 107.67 kJ/kg. In addition, its thermal conductivity, thermal stability and reliability were investigated by thermal conductivity apparatus (TCA), thermal gravimetric analyzer (TGA), and accelerated thermal cycle test for 100 melt/freeze cycles, respectively. The results showed that the CA-NA/EG had a good thermal stability and an excellent thermal reliability. Moreover, the thermal conductivity of CA-NA/EG had an improvement of 25% than that of the CA-NA. On the other hand, the accelerated thermal cycle test also indicated that the CA-NA/EG had no supercooling during all melt/freeze cycles. Therefore, the prepared composite PCM, CA-NA/EG, can be applied for low-temperature thermal energy storage owing to its proper melting temperature, acceptable latent heat and thermal conductivity, excellent thermal stability and reliability.
关键词Caprylic Acid Composite Pcm Eg Nonanoic Acid Thermal Energy Storage
WOS标题词Science & Technology ; Technology
关键词[WOS]LATENT-HEAT STORAGE ; COOLING APPLICATIONS ; PALMITIC-ACID ; FATTY-ACIDS ; LAURIC-ACID ; MIXTURE ; PCM ; BINARY ; TEMPERATURE ; PERFORMANCE
收录类别SCI
语种英语
WOS研究方向Energy & Fuels ; Nuclear Science & Technology
WOS类目Energy & Fuels ; Nuclear Science & Technology
WOS记录号WOS:000415190900010
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6280
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
3.Qinghai Engn Consulting Ctr, Xining 810001, Qinghai, Peoples R China
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Wang, Zhao,Liu, Shang,Ma, Guixiang,et al. Preparation and properties of caprylic-nonanoic acid mixture/expanded graphite composite as phase change material for thermal energy storage[J]. INTERNATIONAL JOURNAL OF ENERGY RESEARCH,2017,41(15):2555-2564.
APA Wang, Zhao.,Liu, Shang.,Ma, Guixiang.,Xie, Shaolei.,Du, Guangwei.,...&Jia, Yongzhong.(2017).Preparation and properties of caprylic-nonanoic acid mixture/expanded graphite composite as phase change material for thermal energy storage.INTERNATIONAL JOURNAL OF ENERGY RESEARCH,41(15),2555-2564.
MLA Wang, Zhao,et al."Preparation and properties of caprylic-nonanoic acid mixture/expanded graphite composite as phase change material for thermal energy storage".INTERNATIONAL JOURNAL OF ENERGY RESEARCH 41.15(2017):2555-2564.
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