| Preparation and properties of caprylic-nonanoic acid mixture_expanded graphite composite as phase change material for thermal energy storage | |
Wang, Zhao; Liu, Shang; Ma, Guixiang; Xie, Shaolei; Du, Guangwei; Sun, Jinhe ; Jia, Yongzhong
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| 第一作者 | Wang, Zhao |
| 2017-12 | |
| 发表期刊 | INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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| ISSN | 0363-907X |
| 卷号 | 41期号:15页码:2555-2564 |
| 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. |
| DOI | 10.1002/er.3830 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.isl.ac.cn/handle/363002/34568 |
| 专题 | 盐湖资源综合利用工程技术中心 |
| 推荐引用方式 GB/T 7714 | 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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