2020
DOI: 10.1002/est2.214
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New multilayered microencapsulated phase change material with CaCO3 and Ag shells

Abstract: Phase change materials (PCM) are microencapsulated to make them easier to handle and compatible with environments they are used in. Thermal conductivity of PCMs, which is already low for organics, decreases further due to the polymer based shells used in the process. In this study, n‐heptadecane as PCM was coated with natural based material CaCO3 and Ag in order to improve thermal conductivity. Low‐cost and facile self‐assembly method was preferred in synthesis of microencapsulated PCMs (mPCM). Differential sc… Show more

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Cited by 18 publications
(3 citation statements)
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References 43 publications
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“…However, using CaCO 3 as a shell for MEPCMs, the encapsulation ratio was found to be low and did not prevent leaking of the core. Emir et al 360 for the first time coated their thermal conductivity. The thermal storage capacities of CaCO 3 @ n -heptadecane and MEPCMs with Ag shells to produce multilayered Ag@CaCO 3 @ n -heptadecane MEPCMs to improve Ag@CaCO 3 @ n -heptadecane were found to be comparable to those of other paraffin-based materials microencapsulated with CaCO 3 .…”
Section: Engineering Caco3 Into Environmental and Energy Nanostructur...mentioning
confidence: 99%
“…However, using CaCO 3 as a shell for MEPCMs, the encapsulation ratio was found to be low and did not prevent leaking of the core. Emir et al 360 for the first time coated their thermal conductivity. The thermal storage capacities of CaCO 3 @ n -heptadecane and MEPCMs with Ag shells to produce multilayered Ag@CaCO 3 @ n -heptadecane MEPCMs to improve Ag@CaCO 3 @ n -heptadecane were found to be comparable to those of other paraffin-based materials microencapsulated with CaCO 3 .…”
Section: Engineering Caco3 Into Environmental and Energy Nanostructur...mentioning
confidence: 99%
“…The value for vaterite is discussed later in this paper. While calcite is the most prevalent in nature due to its thermodynamic stability, all three occur, notably in the case of unstable forms in certain mollusc types. , Vaterite is particularly rare but, besides molluscs, has also been found in various sediments and rocks, is present in some bird eggs, and has been demonstrated to precipitate from the supra-glacial sulfur-containing conditions of a mineral spring in the Canadian High Arctic. Despite the traditional applications of CaCO 3 in industries such as plastics, building materials, and cosmetics, a recent surge in controlled synthesis has expanded its applications to include biomaterials, drug delivery (notably from vaterite), environmental remediation, and energy production and storage. Specifically, an increasing understanding of the nucleation and growth of CaCO 3 has allowed for synthesis conditions that can carefully control the dimensions, polymorphs, and morphology of synthetic CaCO 3 micronanoparticles (MNPs). ,, In combination with this, surface functionalization methods have been developed to tune properties such as surface hydrophobicity and reactivity. …”
Section: Introductionmentioning
confidence: 99%
“… Daha kısa süreli sentez  Daha az kimyasal kullanımı  Daha düşük sıcaklıkta (daha az enerji) sentez  Daha az çevreye zararlı kimyasal kullanımı  Daha az atık oluşturma n-heptadekan ısıl enerjinin depolanması veya geri kazanılması için ısıl özelliklerinden dolayı uygun bir FDM'dir [12]. Doğal kabuk malzemeleri (CaCO3, Nişasta) ile mikrokapsüllenmesi ise son dönemlerde araştırmacıların ilgi alanı olmuştur [13,14].…”
Section: Gi̇ri̇ş (Introduction)unclassified