Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 595, Issue -, Pages 178-186Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2021.03.111
Keywords
Conjugated microporous polymers; Diels-Alder reaction; Shape-stable phase change materials; Latent heat storage
Categories
Funding
- National Natural Science Foundation of China [52073046, 51873036, 51673039]
- Shanghai Shuguang Program [19SG28]
- Shanghai Natural Science Foundation [19D3859]
- Shanghai Pujiang Talent Program [20PJ1400600, 20PJ1400300]
- Fundamental Research Funds for the Central Universities [2232019A301, 21D110625, 2232021D-01, 2232020D08]
- International Joint Laboratory for Advanced Fiber and LowDimension Materials [18520750400]
- Fundamental Research Funds for the Central Universities
- Graduate Student Innovation Fund of Donghua University [CUSFDHD2019024]
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Organic phase change materials (PCMs) are attracting attention for their non-toxicity, suitable working temperature range, and excellent thermal/chemical stability. To enhance the shape-stability of organic PCMs, nanosphere-shaped PFCMPs with high porosity were synthesized and encapsulated in 1-octadecanol to create a composite material with high latent heat, excellent reversibility, and long heat storage durability.
Organic phase change materials (PCMs) have attracted considerable attention for thermal energy storage applications because of their non-toxicity, suitable working temperature range and excellent thermal/chemical stability. However, most traditional organic PCMs have small molecular structures and are prone to leakage during fusion. To address this problem and enhance the shape-stability of organic PCMs, nanosphere-shaped porphyrin-ferrocenyl conjugated microporous polymers (PFCMPs) with high porosity (similar to 650 m(2)/g) were solvothermally synthesized using a Diels-Alder reaction between 1,1'-ferroce nedicarboxaldehyde and pyrrole in the presence of glacial acetic acid and anhydrous Lewis acids (FeCl3, AlCl3, and CuCl2). The PFCMPs were then encapsulated with PCMs, that is, 1-octadecanol (ODA), to prepare the composite materials of ODA@PFCMPs. The optimized composite exhibited a high latent heat (up to 153.8 J/g), excellent reversibility (negligible change in latent heat upon 100 cycles of heating-cooling), good shape stability, and long heat storage durability (425 s), making it a promising candidate for solar thermal energy engineering and management. (C) 2021 Elsevier Inc. All rights reserved.
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