Degradation of Fatty Acid Phase-Change Materials (PCM): New Approach for Its Characterization
Abstract
:1. Introduction
2. Results
2.1. Changes in Chemical Composition or Chemical Structure
2.2. Latent Heat Stored
3. Materials and Methods
3.1. Materials and Thermal Treatments
3.2. Fatty Acid Characterization
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Sample Availability
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Sample | N° Hours/Cycles | ΔHm [J·g−1] | ΔHm [%] | Tm [°C] | Tm [°C] |
---|---|---|---|---|---|
Capric acid | Initial | 159 ± 1 | 32.3 ± 0.0 | ||
500 h | 149 ± 1 | −7 | 32.1 ± 0.0 | −0.19 | |
1000 cycles | 153 ± 1 | −4 | 31.8 ± 0.0 | −0.46 | |
Myristic acid | Initial | 190 ± 1 | 55.3 ± 0.0 | ||
500 h | 182 ± 1 | −4 | 54.6 ± 0.0 | −0.66 | |
1000 cycles | 184 ± 1 | −3 | 54.6 ± 0.0 | −0.74 |
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Majó, M.; Sánchez, R.; Barcelona, P.; García, J.; Fernández, A.I.; Barreneche, C. Degradation of Fatty Acid Phase-Change Materials (PCM): New Approach for Its Characterization. Molecules 2021, 26, 982. https://doi.org/10.3390/molecules26040982
Majó M, Sánchez R, Barcelona P, García J, Fernández AI, Barreneche C. Degradation of Fatty Acid Phase-Change Materials (PCM): New Approach for Its Characterization. Molecules. 2021; 26(4):982. https://doi.org/10.3390/molecules26040982
Chicago/Turabian StyleMajó, Marc, Ricard Sánchez, Pol Barcelona, Jordi García, Ana Inés Fernández, and Camila Barreneche. 2021. "Degradation of Fatty Acid Phase-Change Materials (PCM): New Approach for Its Characterization" Molecules 26, no. 4: 982. https://doi.org/10.3390/molecules26040982