What about greener phase change materials? A review on biobased phase change materials for thermal energy storage applications

Okogeri, Otu; Stathopoulos, Vassilis N.

doi:10.1016/j.ijft.2021.100081

Cited by 89 publications

(25 citation statements)

References 126 publications

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“…Bio-based PCMs; are substances originated from renewable and natural-based sources, agro-food industry outputs and their spin-offs, containing foodstuffs such as palm oil, palm kernel oil, soybean oil and coconut oil [20][21]. Environmental friendliness of commercial materials is becoming more and more important in all sectors of industry to improve sustainability and minimize to the environmental impact and carbon footprint.…”

Section: Organic Pcmsmentioning

confidence: 99%

PHASE CHANGE MATERIALS: TYPES, PROPERTIES and APPLICATIONS in BUILDINGS

BAYRAKTAR

Köse

2022

Kırklareli Üniversitesi Mühendislik Ve Fen Bilimleri Dergisi

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The need to reduce the use of fossil energy, which is running out and harmful to the environment, in response to the increasing energy demand with rapid urbanization, population growth and developing technologies reveals the necessity of research and application of technologies using renewable energy. Phase-change materials (PCM) are one of the most suitable methods for the efficient use of thermal energy originating from clean and sustainable energy sources. PCMs play important roles in a more energy-efficient world. The development of PCMs is one of the most challenging areas of study for more efficient thermal energy storage (TES) systems. This paper first explains the concept of PCMs and then describes the properties of these materials. After mentioned studies for improving the properties of PCMs, then PCM types and advantages-disadvantages are explained. Also, usage areas of PCMs in various sectors are also explained.

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Section: Organic Pcmsmentioning

confidence: 99%

PHASE CHANGE MATERIALS: TYPES, PROPERTIES and APPLICATIONS in BUILDINGS

BAYRAKTAR

Köse

2022

Kırklareli Üniversitesi Mühendislik Ve Fen Bilimleri Dergisi

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“…These can be also obtained from waste cooking oils and fats and feedstock waste. As the raw materials are obtained from renewable and environmentally cleaner sources, it has great potential to reduce carbon footprints, reduce environmental impacts, and improve sustainability 3 …”

Section: Introductionmentioning

confidence: 99%

“…As the raw materials are obtained from renewable and environmentally cleaner sources, it has great potential to reduce carbon footprints, reduce environmental impacts, and improve sustainability. 3 However, a key problem with the organic-based PCMs is their low thermal conductivity that affects their widespread applicability in domestic and industrial applications. 4 There are two prominent methods for thermal conductivity enhancements, that is, chemical modification (grafting, and doping), and the addition of 3D, 2D, 1D, and 0D additives.…”

Section: Introductionmentioning

confidence: 99%

Development of nano‐enhanced phase change materials using manganese dioxide nanoparticles obtained through green synthesis

et al. 2022

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The current paper summarizes the development of nano‐enhanced phase change materials (NPCMs) using capric acid (CA) and manganese dioxide (α‐MnO2) nanoparticles. The nanoparticles were obtained by the green synthesis technique using the leaves of Ficus retusa plant. The obtained nanoparticles were used in 1%, 2%, and 3% weight fractions in the nano‐formulations. The field‐emission scanning electron microscopy (FESEM) was employed to confirm the morphological structure and energy‐dispersive X‐ray (EDX) spectroscopy was used for the elemental analysis of the synthesized nanoparticles. The crystallographic studies were done using X‐ray diffraction (XRD) spectroscopy. The Fourier‐transform infrared (FT‐IR) spectroscopy results showed that the insertion of nanoparticles did not disturb the chemical configuration of CA. The differential scanning calorimetry (DSC) analysis revealed that the developed nanocomposites had excellent thermal energy storage capability that lay within the range of 145–164 kJ/kg. Five hundred extended thermal cycles were carried out which showed that the developed PCM had excellent thermal reliability and can be useful for a year‐long application. The variations reported with 1% nano‐formulation was −1.43% to +0.53%, −0.03% to +1.52%, and −6.67% to 9.94% with respect to onset, peak melting temperature, and latent heat of fusion. The thermal gravimetric analysis (TGA) results showed that developed PCMs were stable within the working temperature range. The melting/solidification curve showed faster heat storage and release rates owing to the increased thermal conductivity. These developed PCMs are useful for photovoltaic/thermal and building applications.

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“…PCMs should also be non-flammable, non-toxic, and have minimal health hazards. Those PCM's which have a low cost, compatibility with the construction material, and recyclability are advantageous from an economic and environmental perspective [4,5]. The effectiveness of a PCM can be improved by employing several methods such as encapsulation, shape-stabilization, using a cascaded thermal energy storage system, conductivity enhancement, maintaining a high energy density, and chemical inertness over a long period [6].…”

Section: Introductionmentioning

confidence: 99%

“…They can also be obtained from feedstock wastes, waste cooking oils, and waste fats from animals. As the raw materials are obtained from a natural source, they are biodegradable, sustainable, and environmentally friendly [5]. In the past, several authors have developed fatty acid based PCMs and their eutectics and composites, and have undertaken cycle tests to understand their thermal stability after several melt/freeze cycles.…”

Section: Introductionmentioning

confidence: 99%

Thermal Stability and Reliability Test of Some Saturated Fatty Acids for Low and Medium Temperature Thermal Energy Storage

et al. 2021

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Phase change materials have been overwhelmingly used for thermal energy storage applications. Among organics, fatty acids are an important constituent of latent heat storage. Most of the saturated fatty acid PCMs so far studied are either unary or binary constituents of pure fatty acids. In the present study, ternary blends of saturated fatty acids i.e., capric, lauric, myristic, stearic, and palmitic acids have been developed with different weight proportions. A series of 28 ternary blends viz. CA-LA-MA, CA-LA-PA, CA-LA-SA, CA-MA-PA, CA-MA-SA, and CA-PA-SA were prepared and analyzed with differential scanning calorimetry, thermal gravimetric analysis, and Fourier transform infrared spectroscopy. DSC analysis revealed that the prepared materials lie in the 15–30 °C temperature range. Also, 300 thermal melt/freeze cycles were conducted which showed ±10% variation in terms of the melting peak for most of the PCMs, with the average latent heat of fusion between 130 and 170 kJ/kg. The TGA analysis showed that most of the PCMs are thermally stable up to 100 °C and useful for medium-low storage applications, and FTIR analysis showed that the materials are chemically stable after repeated thermal cycles. Based on cycle test performances, the developed materials were found to be reliable for long-term use in building and photovoltaic applications.

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What about greener phase change materials? A review on biobased phase change materials for thermal energy storage applications

Cited by 89 publications

References 126 publications

PHASE CHANGE MATERIALS: TYPES, PROPERTIES and APPLICATIONS in BUILDINGS

PHASE CHANGE MATERIALS: TYPES, PROPERTIES and APPLICATIONS in BUILDINGS

Development of nano‐enhanced phase change materials using manganese dioxide nanoparticles obtained through green synthesis

Thermal Stability and Reliability Test of Some Saturated Fatty Acids for Low and Medium Temperature Thermal Energy Storage

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