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Energy storage analysis of R125 in UIO-66 and MOF-5 nanoparticles: A molecular simulation study

Authors
  • Wang, Qiang1
  • Tang, Shengli1
  • 1 Key Laboratory of Low-grade Energy Utilization Technologies & Systems, Ministry of Education, School of Energy and Power Engineering, Chongqing University, 400044, P. R , (China)
Type
Published Article
Journal
Open Chemistry
Publisher
Walter de Gruyter GmbH
Publication Date
Apr 10, 2019
Volume
17
Issue
1
Pages
229–234
Identifiers
DOI: 10.1515/chem-2019-0026
Source
De Gruyter
Keywords
License
Green

Abstract

The efficiency of thermodynamic cycles can be improved by using the optimized working fluid. In the present paper, classic molecular dynamics simulations and grand canonical Monte Carlo were employed to examine the thermal energy storage characteristicsof R125/UIO-66 and R125/MOF-5 nanofluids. The results indicate that the adsorption of R125 in MOF-5 is larger than that in UIO-66. Also, the thermal energy storage capacity of R125 was strengthened by mixing with UIO-66 or MOF-5 nanoparticles. In addition, the R125/UIO-66 mixtures can store less energy than that of R125/MOF-5 mixtures except the temperature difference is 30 K to 50 K.

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