Cost/Performance Analysis of Commercial-Grade Organic Phase-Change Materials for Low-Temperature Heat Storage
| Autor: | Josef Farták, Tomáš Hásl, Michal Jeremiáš, Michael Pohořelý, Ivo Jiříček |
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| Rok vydání: | 2019 |
| Předmět: |
Control and Optimization
Materials science 020209 energy Energy Engineering and Power Technology 02 engineering and technology Thermal energy storage melting temperature Organic compound Heat capacity latent heat storage organic phase change materials Differential scanning calorimetry Thermal conductivity 0202 electrical engineering electronic engineering information engineering Thermal stability price-performance analysis Electrical and Electronic Engineering Engineering (miscellaneous) chemistry.chemical_classification Renewable Energy Sustainability and the Environment 021001 nanoscience & nanotechnology Thermogravimetry chemistry Chemical engineering melting enthalpy Melting point 0210 nano-technology Energy (miscellaneous) |
| Zdroj: | Energies Volume 13 Issue 1 |
| ISSN: | 1996-1073 |
| DOI: | 10.3390/en13010005 |
| Popis: | Alkanes are widely used as phase change materials (PCMs), especially for thermal energy storage (TES), due to their high thermal capacity, stability, availability, and non-corrosiveness. However, the drawbacks of alkanes are low heat conductivity and high cost. Our aim was to explore alternative organic PCMs for TES and to compare such compounds based on the relationship between their performance and cost. For this purpose, we analysed several commercially available products, including long chain alkanes, alcohols, monocarboxylic acid, amines, ethers and esters in high purities. Differential scanning calorimetry and thermogravimetry (DSC and TGA) were used to measure the melting point, melting enthalpy and thermal stability of these compounds. The materials were classified according to their melting temperature. In order to compare the compounds, we calculated from the measured enthalpies and the price list provided by producers a coefficient that represents factors in both the performance and cost of the material. This method was used to identify the most suitable organic compound for thermal energy storage in each temperature range. As the main result of this work, it has been revealed that various organic compounds can be considered as a vital alternative to the alkanes in temperatures from &minus 10 to 50 ° C. On top of that, alcohols and carboxylic acids can cover the temperature range from 50 to 75 ° C, which cannot be covered by alkanes. |
| Databáze: | OpenAIRE |
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