The essential properties governing the appropriate selection of phase change materials integrated into heavy structure buildings

El-Raheim, D. Abd; Mohamed, Ayman; Abou-Ziyan, H.; Fatouh, M.

doi:10.1016/j.energy.2022.126515

Cited by 16 publications

(3 citation statements)

References 33 publications

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“…Additionally, Pure PCMs have low thermal conductivity, therefore thermal management systems on the basis of pure PCMs are limited [6]. A PCM selection method and temperature constraints play crucial roles in tackling this problem [10]. Selecting the appropriate PCM with the right phase change temperature and thermal characteristics is crucial for the effective functioning of a battery's thermal management system.…”

Section: Introductionmentioning

confidence: 99%

“…PCMs undergo a phase transition, changing from a solid phase below their freezing temperature to a liquid phase above their melting temperature [11]. When the ambient temperature approaches or surpasses the PCM's phase change temperature, it can impede the PCM's ability to efficiently absorb or release additional heat [10]. Once the PCM is chosen based on these considerations, another aspect involves incorporating highly thermally conductive materials like copper foam, heat pipes, fins, expanded graphite, and other substances with significant thermal conductivity into paraffin wax to enhance thermal management.…”

Section: Introductionmentioning

confidence: 99%

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Investigations of phase change materials in battery thermal management systems for electric vehicles: a review

Dolla,

Fetene

2024

Mater. Res. Express

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Taking advantage of electric vehicles' low pollution, the world is changing its face to electric vehicle (EV) production. As EVs rely heavily on specialized batteries, it's important to manage them safely and properly to prevent thermal runaway. High ambient temperatures and varied charging/discharging rates increases battery temperature. To address these challenges, Battery Thermal Management System (BTMS) come into play. This work focuses on passive cooling in BTMS, which is one of two categories of BTMS, with the other being active cooling using liquid-air systems. Passive BTMS has gained prominence in research due to its cost-effectiveness, reliability, and energy efficiency, as it avoids the need for additional components like pumps/fans. This article specifically discusses recent experimental studies regarding phase change material (PCM)-based thermal management techniques for battery packs. It explores methods for enhancing thermal conductivity in PCMs and identifies methodologies for BTMS experiments using PCMs. Also recommends the importance of optimization techniques like machine learning, temperature sensors, and state-of-charge management, to ensure accuracy and uniform temperature distribution across the pack. While paraffin wax has been a popular choice in experimental studies for its capacity to absorb and release heat during phase transitions, as a matter of its low thermal conductivity (0.2 to 0.3 Wk-1m-1) limits reaction in rapid charging/discharging of batteries. So integration with highly thermally conductive additives is recommended. Additives such as heat pipes offer superior thermal conductivity compared to expanded graphite (5 to 200 Wk-1m-1). As a result, the integration of heat pipes further reduces the temperature of battery by 28.9% in addition to the reduction of 33.6% by pure PCMs in time of high charge/discharge rates (5C to 8C). So high-conductivity additives correlate directly with improved thermal performance and are essential for maintaining optimal battery temperatures and overall reliability in EV battery packs.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigations of phase change materials in battery thermal management systems for electric vehicles: a review

Dolla,

Fetene

2024

Mater. Res. Express

View full text Add to dashboard Cite

show abstract

“…Nevertheless, in practice the melting temperature of a single organic PCMs is hardly able to meet the proper temperature of human body in the building envelope (22-28 • C) [23], and the phase change range is narrow, which has certain limitations in the promotion and application [24]. Therefore, the researchers used the binary combination method to obtain the composite PCMs with the required melting temperature, which has great application potential in architecture [25].…”

Section: Introductionmentioning

confidence: 99%

Formulation and phase change mechanism of Capric acid/Octadecanol binary composite phase change materials

Zuo

Liu

Zhang

et al. 2023

Energy

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Innovative cementitious mortar incorporated with sepiolite based shape-stable phase change material for thermal controlling of buildings

Topçu,

Bayram,

Ustaoğlu

et al. 2024

Construction and Building Materials

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The essential properties governing the appropriate selection of phase change materials integrated into heavy structure buildings

Cited by 16 publications

References 33 publications

Investigations of phase change materials in battery thermal management systems for electric vehicles: a review

Investigations of phase change materials in battery thermal management systems for electric vehicles: a review

Formulation and phase change mechanism of Capric acid/Octadecanol binary composite phase change materials

Innovative cementitious mortar incorporated with sepiolite based shape-stable phase change material for thermal controlling of buildings

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