Thermal performance and economic evaluation of a newly developed phase change material for effective building encapsulation

Akeiber, Hussein J.; Hosseini, Seyed Ehsan; Hussen, Hasanen M.; Wahid, Mazlan Abdul; Mohammad, Abdulrahman Th.

doi:10.1016/j.enconman.2017.07.043

Cited by 44 publications

(13 citation statements)

References 31 publications

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“…This is especially true for developing countries, as the energy consumption per capita in developing countries is still quite low and there is still a huge potential for energy consumption in these countries. − It is estimated that energy consumption will increase by one-third in the next 20 years. , So far, most of the energy is still produced by traditional fossil fuels . More than 30% of the total energy consumption is expended in the building sector, including lighting, air conditioning, furnace, water heating, refrigeration, and so on. − Therefore, it is critical to develop green and renewable energy with high efficiency for the building sector . Thanks to the abundance, low cost, and green properties of solar energy, it is the most attractive energy source and considered as the most promising solution to the increasing energy crisis. , However, solar energy has not been widely and efficiently utilized due to the high cost of solar cells and limitations of solar light with respect to space and time.…”

Section: Introductionmentioning

confidence: 99%

“…Thanks to the abundance, low cost, and green properties of solar energy, it is the most attractive energy source and considered as the most promising solution to the increasing energy crisis. , However, solar energy has not been widely and efficiently utilized due to the high cost of solar cells and limitations of solar light with respect to space and time. The storage and transportation of thermal energy provides a promising method to efficiently exploit solar energy at low cost. ,,,− Moreover, thermal energy is also abundant as a byproduct in many industrial processes. , The recovery of waste heat could dramatically enhance energy usage efficiency and solve the mismatch between energy supply and demand with respect to space and time.…”

Section: Introductionmentioning

confidence: 99%

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Microencapsulation of Phase Change Materials with Polystyrene/Cellulose Nanocrystal Hybrid Shell via Pickering Emulsion Polymerization

Zhang

Kapar

et al. 2019

ACS Sustainable Chem. Eng.

105

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Microcapsulation of phase change materials (PCMs) within a shell is one of the most feasible methods to explore their applications for thermal energy storage. Here, a facile method to microencapsulate PCMs within polystyrene/cellulose nanocrystal (CNC) hybrid shell via Pickering emulsion polymerization was developed. CNCs, as biobased and sustainable materials hydrolyzed from wood pulp, were employed as emulsifiers of the PCM Pickering emulsion and shell components of the PCM microcapsules as well. CNCs displayed a high efficiency in the stabilization of paraffin wax (PW) Pickering emulsion, and the heat capacity and stability of PW microcapsules with CNC shell (PW@CNC) increased dramatically with the amounts of CNCs. PW microcapsules with polystyrene and CNC hybrid shell (PW@PS/CNC) were prepared via Pickering emulsion polymerization of styrene from the CNC stabilized PW Pickering emulsion droplets. The PW@PS/CNC slurries possessed a latent heat capacity of 31.9 J/g with stability as high as 99.4% after 100 heating and cooling scans. The PW@PS/CNC powder possessed a latent heat capacity of 160.3 J/g, corresponding to a high encapsulation ratio of 83.5%. Moreover, coconut oil (CO), as an example of biobased PCMs, was also microencapsulated within polystyrene and CNC hybrid shell (CO@PS/CNC) via a similar method. Both PW@PS/CNC and CO@PS/CNC slurries displayed excellent temperature regulation ability and offered promising potentials for thermal energy storage systems.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Microencapsulation of Phase Change Materials with Polystyrene/Cellulose Nanocrystal Hybrid Shell via Pickering Emulsion Polymerization

Zhang

Kapar

et al. 2019

ACS Sustainable Chem. Eng.

105

View full text Add to dashboard Cite

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“…Designing large-scale practical applications for passive latent thermal energy storage systems requires in-depth knowledge on the thermal characteristics of PCM before, during and after its phase change. Therefore, an accurate and correct determination of the thermal properties of PCM systems is crucial to efficiently design composite systems or devices that use latent TES [19].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study on the Thermal Energy Storage Performance of Bio-Based and Paraffin-Based PCMs Using DSC Procedures

et al. 2020

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Thermal-Energy Storage (TES) properties of organic phase change materials have been experimentally investigated and reported in this paper. Three paraffin-based Phase Change Materials (PCMs) and one bio-based PCM are considered with melting temperatures of 24 °C, 25 °C and 26 °C. Sensible heat storage capacities, melting characteristics and latent heat enthalpies of the studied PCMs are investigated through Differential Scanning Calorimetry (DSC) measurements. Two alternative methods, namely the classical dynamic DSC and a stepwise approach, are performed and compared with the aim to eliminate and/or overcome possible measurement errors. In particular, for DSC measurements this could be related to the size of the samples and its representativity, heating rate effects and low thermal conductivity of the PCMs, which may affect the results and possibly cause a loss of objectivity of the measurements. Based on results achieved from this study, clear information can be figured out on how to conduct and characterize paraffin and bio-based PCMs, and how to apply them in TES calculations for building applications and/or simulations. It is observed that both paraffinic and bio-based PCMs possess a comparable TES capacity within the selected phase transition temperature, being representative for the human thermal comfort zone. The phase change of bio-based PCMs occurred over a much narrower temperature range when compared to the wider windows characterizing the paraffin-based materials. Bio-based PCMs turned out to be very suitable for building applications and can be an environmentally friendly substitute for petroleum-based PCMs.

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“…In addition, the content of the phase change material added in the building wall will also affect the leakage level of the phase change material from the wall. The studies by Akeiber, 23 Wang, 24 and Jayalath 25 focused on the combination of phase change materials with the building envelope. These studies explored the heat transfer process across the phase change building envelope, the indoor temperature regulation performance, and the heat conduction behavior inside the phase change material.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Thermal Performance of the Embedded Composite Phase Change Energy Storage Wall

et al. 2020

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In this study, the phase change paraffin and metal powder were mixed to form the composite phase change energy-storing material. This composite material was then injected into metal coil tubings at different coil spacings to form a composite phase change energy storage tubing system, which was then embedded in a wall. The thermal performance of the embedded phase change energy storage wall was investigated at various temperatures. The results showed that among the four types of aforementioned walls, the energy storage tubes at a spacing of 20 mm exhibited the smallest heat transfer and the largest surface heat storage coefficients. Therefore, this wall can block heat flow and temperature propagation effectively, and it exhibits excellent thermal insulating and heat storage performances and increased resistance to temperature fluctuations.

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Thermal performance and economic evaluation of a newly developed phase change material for effective building encapsulation

Cited by 44 publications

References 31 publications

Microencapsulation of Phase Change Materials with Polystyrene/Cellulose Nanocrystal Hybrid Shell via Pickering Emulsion Polymerization

Microencapsulation of Phase Change Materials with Polystyrene/Cellulose Nanocrystal Hybrid Shell via Pickering Emulsion Polymerization

A Comparative Study on the Thermal Energy Storage Performance of Bio-Based and Paraffin-Based PCMs Using DSC Procedures

Analysis of the Thermal Performance of the Embedded Composite Phase Change Energy Storage Wall

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