Enhanced thermophysical properties of organic PCM through shape stabilization for thermal energy storage in buildings: A state of the art review

Rathore, Pushpendra Kumar Singh; Shukla, Shubhangi

doi:10.1016/j.enbuild.2021.110799

Cited by 203 publications

(49 citation statements)

References 181 publications

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“…So far, a variety of leak-proof strategies have been developed, such as the use of encapsulated methods, the introduction of supporting material, especially porous scaffolds, and the fabrication of novel solid–solid composite PCM [ 109 ]. Sun et al [ 110 ] fabricated SiO 2 inner shell by interfacial polycondensation onto the n-diocesan core, and then coated with polyaniline/CNT as an electrochemically active layer to construct microcapsules with layer-by-layer shell structure ( Figure 7 a).…”

Section: Thermally Conductive Pcm (Thermal-storage Thermal Management Material)mentioning

confidence: 99%

Recent Advances in Design and Preparation of Polymer-Based Thermal Management Material

Zhang

Shi

2021

Polymers

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The boosting of consumer electronics and 5G technology cause the continuous increment of the power density of electronic devices and lead to inevitable overheating problems, which reduces the operation efficiency and shortens the service life of electronic devices. Therefore, it is the primary task and a prerequisite to explore innovative material for meeting the requirement of high heat dissipation performance. In comparison with traditional thermal management material (e.g., ceramics and metals), the polymer-based thermal management material exhibit excellent mechanical, electrical insulation, chemical resistance and processing properties, and therefore is considered to be the most promising candidate to solve the heat dissipation problem. In this review, we summarized the recent advances of two typical polymer-based thermal management material including thermal-conduction thermal management material and thermal-storage thermal management material. Furtherly, the structural design, processing strategies and typical applications for two polymer-based thermal management materials were discussed. Finally, we proposed the challenges and prospects of the polymer-based thermal management material. This work presents new perspectives to develop advanced processing approaches and construction high-performance polymer-based thermal management material.

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Section: Thermally Conductive Pcm (Thermal-storage Thermal Management Material)mentioning

confidence: 99%

Recent Advances in Design and Preparation of Polymer-Based Thermal Management Material

Zhang

Shi

2021

Polymers

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“…Numerous experimental studies have shown that it is possible to increase the thermal conductivity of PCMs by shape stabilization with suitable support materials [70]. Table 4 summarizes some studies using materials of natural origin to shape-stabilize PCMs.…”

Section: At the Composite Scalementioning

confidence: 99%

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

et al. 2021

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Latent heat thermal energy storage systems incorporate phase change materials (PCMs) as storage materials. The high energy density of PCMs, their ability to store at nearly constant temperature, and the diversity of available materials make latent heat storage systems particularly competitive technologies for reducing energy consumption in buildings. This work reviews recent experimental and numerical studies on the integration of PCMs in building envelopes for passive energy storage. The results of the different studies show that the use of PCMs can reduce the peak temperature and smooth the thermal load. The integration of PCMs can be done on the entire building envelope (walls, roofs, windows). Despite many advances, some aspects remain to be studied, notably the long-term stability of buildings incorporating PCMs, the issues of moisture and mass transfer, and the consideration of the actual use of the building. Based on this review, we have identified possible contributions to improve the efficiency of passive systems incorporating PCMs. Thus, fatty acids and their eutectic mixtures, combined with natural insulators, such as vegetable fibers, were chosen to make shape-stabilized PCMs composites. These composites can be integrated in buildings as a passive thermal energy storage material.

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“…Different techniques of PCM incorporation in opaque elements were considered in the past. Micro- [18,19] and nanoencapsulation [20], direct application [21,22], shape stabilised [23,24] or mats with pockets [25,26] were investigated experimentally and numerically. Although macro and microencapsulation give flexibility in future applications, the content of PCM is limited by the volume of the additional matrix.…”

Section: Introductionmentioning

confidence: 99%

Heat Transfer with Phase Change in a Multilayer Construction: Simulation versus Experiment

2021

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The latent heat storage in the layer of phase change material (PCM) exposed to dynamic changes in boundary temperature was investigated numerically and experimentally. The original numerical model of heat transfer with phase change using a mushy volume approach was proposed and validated. The main improvement in the proposed model in comparison to others is that the compaction of the mesh and longitude of the time step were chosen after analysis of its impact in the field of error. The model was tested in the case of thin layer structure of the triple glazing window with one cavity filled with phase change material paraffin RT18HC. The experimental validation was carried out in the climatic chamber under dynamic changes in external temperature (from 10 to 50 °C) in a daily cycle. The highest accuracy was obtained for space discretization of the control volume 1 mm thick (12 CV for 12 mm of PCM layer) and 5 min time step. The obtained RMSE values, although they cannot be directly compared because of the very different approaches to the simulations, show that the proposed algorithm is sufficiently accurate for the assessment of energy storage in the PCM window. Both the simulation and experiment proved that, under specific conditions, implementation of the PCM into the structure resulted in delaying the peak for around 4 h.

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Enhanced thermophysical properties of organic PCM through shape stabilization for thermal energy storage in buildings: A state of the art review

Cited by 203 publications

References 181 publications

Recent Advances in Design and Preparation of Polymer-Based Thermal Management Material

Recent Advances in Design and Preparation of Polymer-Based Thermal Management Material

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

Heat Transfer with Phase Change in a Multilayer Construction: Simulation versus Experiment

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