Novel urea‐based compounds as
            <scp>solid‐solid</scp>
            phase change materials: 1,3‐bisstearoylurea and 1,1,3,3‐tetrastearoylurea for thermal energy storage applications

Tosun, Nazan Gökşen; Çetin, Aylin; Alkan, Cemil

doi:10.1002/er.7697

Cited by 5 publications

(4 citation statements)

References 71 publications

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“…Because of paraffin decomposition into CO 2 and H 2 O plus about 5% BC decomposition, IPW@HNTs@ PDA‐BC composite loses about 10% weight at 380–800 °C after 30 evaporation, which is the decomposition process of BC. [ 31,32 ]…”

Section: Resultsmentioning

confidence: 99%

“…about 10% weight at 380-800 °C after 30 evaporation, which is the decomposition process of BC. [31,32] The TG spectra of pure IPW and IPW@HNTs@ PDA-BC composites in the evaporation rate test before and after 30 cycles are shown in Figure 5c. On the other hand, the IPW@HNTs@ PDA-BC composite results from a more substantial thermal degradation of the aerogel-coated IPW and a mild pyrolysis of the BC-based aerogel structure at high temperatures.…”

Section: Stability Of Ipw@hnts@ Pda-bc Compositesmentioning

confidence: 99%

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Preparation of Phase‐Change Composite Aerogel Materials and Its Application in Solar Saline‐Alkali Water Desalination

Dong,

Cao,

Yan

et al. 2023

Macro Chemistry & Physics

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Solar energy is an inexhaustible clean energy, and solar evaporation salt water desalination is a promising technology. However, the low evaporation efficiency caused by intermittent solar irradiation is still the main obstacle in the practical application of interface evaporation. A new type of interfacial evaporation material is developed by using the porous adsorption method to fill the phase change material (PCM) paraffin (IPW) into the halloysite nanotubes (HNTs), using polydopamine (PDA) as the photothermal material and encapsulation agent and bacterial cellulose (BC) as the carrier. The low‐temperature crosslinking method prepares the IPW@HNTs@ PDA‐BC phase change composite aerogel. The novel interfacial evaporation material preparation process is simple, and the aerogels can be prepared quickly under normal pressure, which overcomes the disadvantages of the traditional porous adsorption method and long‐time freeze‐drying of aerogels. Under 1 kW m−2 light, the evaporation rate of the PCM is 3.43 kg m−2 h−1, and the photothermal conversion efficiency is 95%. In the dark environment (10 min), the evaporation rate is 2.80 kg m−2 h−1, and the photothermal conversion efficiency is 52.8%. The material exhibits excellent evaporation in acidic, alkaline water, and industrial wastewater. Shortly, it can be used as a promising material for evaporating clean water.

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Section: Resultsmentioning

confidence: 99%

Section: Stability Of Ipw@hnts@ Pda-bc Compositesmentioning

confidence: 99%

Preparation of Phase‐Change Composite Aerogel Materials and Its Application in Solar Saline‐Alkali Water Desalination

Dong,

Cao,

Yan

et al. 2023

Macro Chemistry & Physics

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“…corrosivity, sublimation tendencies) has demonstrated success in the literature previously. Examples of PCMs derived from fatty acids include fatty ureas, 25 esters, [26][27][28][29] thioureas, 30 carbonates 31 and amides. 17,18,32,33 These examples typically have melting temperatures below the intermediate temperature range (T m < 100 °C), with a notable exception being the fatty diamides and dicarbamates derived from stearic acid.…”

Section: Rsc Sustainability Accepted Manuscriptmentioning

confidence: 99%

Sustainable materials for renewable energy storage in the thermal battery

et al. 2023

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“…[16] It is possible to modify organic PCMs to alter their functional properties. Studies of esters produced for this reason in the literature, [17][18][19][20] diesters, [21][22][23] alcohols, [24] dicarboxylic acid esters, [25] amides, [26][27][28] diamides, [29,30] sulfones, [31] and ureas [32] are increasing.…”

mentioning

confidence: 99%

Synthesis and Characterization of Dicarboxylic Acid Esters of 1‐Hexadecanol for a Thermal Energy Storage Application Range of 50–55 °C

Alkan¹,

Tosun²,

Kaplan³

2023

Energy Tech

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The increase in population and energy usage rates also continuously increases energy demand. Therefore, the use of renewable resources will become mandatory in the following periods. Orientation to renewable resources is also a necessity due to the increase in carbon dioxide emissions and the associated global warming. Solar energy, wind, and geothermal energy are the most popular known renewable energy sources, but they have some handicaps in terms of the continuity of energy supply. These handicaps can be prevented by storing energy when it is produced excessively. Heat can be efficiently stored in various systems. However, heat storage by phase change takes place at a very high density. In this regard, thermal energy storage (TES) systems ignoring the cost of phasechange materials (PCMs) are exploited in many applications. [1] Studies on PCMs are increasing rapidly. Liu et al. examined high-temperature PCMs and found that such materials could be used as potential energy storage materials. They also explored the possibilities of improving the heat exchange properties of the PCMs used. [2] A wide variety of studies have also been conducted on the encapsulation of PCMs. In one of them, Salunkhe and Shembekar studied encapsulation and its effect on the thermal performance of the energy storage medium. This study examined properties such as shell material and thickness, encapsulation size, and geometry. [3] Xu et al. focused on PCMs and examined the economic aspects of their conversion to a power generation approach and latent heat systems. [4] Gracia and Cabeza reviewed different numerical models used in a PCM-assisted bearing system as an application study. [5] Kalidasan et al. examined high-, medium-, and lowtemperature solar TES methods and their environmental and economic impacts. [6] Yang et al. explored the issue of enhancing thermal response and adding nanoparticles to PCMs for photochromic effect. [7] Yang et al. examined heat transfer modeling in PCM in terms of potential applications of PCMs. [8] Klimeš et al. reviewed and summarized newly published experimental and simulation methods focusing on subcooling PCMs and phasechange hysteresis. [9] Zayed et al., unlike other studies, aimed to increase the efficiency of temperature retention systems and focused on the design parameters and geometric arrangement of PCM containers in their studies. In addition, different heat transfer phenomena, such as the development of photochromic properties with the addition of nanoparticles, the use of metal foams and graphite, and the effectiveness of microencapsulated PCMs, were investigated in this study. [10] Kumar et al.

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Novel urea‐based compounds as solid‐solid phase change materials: 1,3‐bisstearoylurea and 1,1,3,3‐tetrastearoylurea for thermal energy storage applications

Cited by 5 publications

References 71 publications

Preparation of Phase‐Change Composite Aerogel Materials and Its Application in Solar Saline‐Alkali Water Desalination

Preparation of Phase‐Change Composite Aerogel Materials and Its Application in Solar Saline‐Alkali Water Desalination

Sustainable materials for renewable energy storage in the thermal battery

Synthesis and Characterization of Dicarboxylic Acid Esters of 1‐Hexadecanol for a Thermal Energy Storage Application Range of 50–55 °C

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