Development of a New Modified CaCl 2 ·6H 2 O Composite Phase Change Material

Shibo Cao, Xiaoxue Luo, Xiaochun Han, Xiaohui Lu and Changzhen Zou
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Shibo Cao: School of Maritime, Beibu Gulf University, Qinzhou 535011, China
Xiaoxue Luo: School of Maritime, Beibu Gulf University, Qinzhou 535011, China
Xiaochun Han: School of Maritime, Beibu Gulf University, Qinzhou 535011, China
Xiaohui Lu: School of Maritime, Beibu Gulf University, Qinzhou 535011, China
Changzhen Zou: School of Maritime, Beibu Gulf University, Qinzhou 535011, China

Energies, 2022, vol. 15, issue 3, 1-12

Abstract: CaCl 2 ·6H 2 O is selected as the original substrate for research, and a new composite phase change material (CPCM) suitable for air-conditioning was developed through experiments. The new modified CaCl 2 ·6H 2 O CPCM uses glycerol as a temperature regulator and barium hydroxide octahydrate as a nucleating agent. The experimental results show that when the mass ratio of CaCl 2 ·6H 2 O to glycerol is 85:15, the melting temperature of the CPCM is 11.8 °C and the enthalpy of phase change is 112.86 J/g. The chemical composition of the CPCM was characterized by Fourier transform infrared spectroscopy, which confirmed that the material was successfully developed. When the amount of barium hydroxide octahydrate nucleating agent was 1.0 wt.%, the supercooling of the CPCM decreased to 1.22 °C. CPCM still show good stability after 50 thermal cycles and can be used in practical production.

Keywords: calcium chloride hexahydrate; glycerol; barium hydroxide octahydrate; cold storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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