High thermal conductivity phase change composite with percolating carbon fiber network

Nomura, Takahiro; Tabuchi, Kazuki; Chen, Zhu; Sheng, Nan; Wang, Shuangfeng; Akiyama, Tomohiro

doi:10.1016/j.apenergy.2015.05.042

Cited by 139 publications

(61 citation statements)

References 43 publications

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“…Polymers exhibiting thermal conductivity are used for multifunctional applications. These applications include controls and power products, telecommunications, electrical and electronics, mobile products, appliance, medical imaging, automotive, and so on (Miranda and Yang 2015, Nomura et al 2015, Regner et al 2016). These advanced thermally conductive PNCs also function as heat sinks and thermal management solutions.…”

Section: Thermal Conductivity Of Graphene-based Pncsmentioning

confidence: 99%

“…Hence, in recent years, several studies have also been conducted, where nanoparticles have been dispersed in the polymeric matrix to improve heat conduction. Nowadays, the thermal load of aircraft is escalating and expected to attain 10,000 kW because of heat generated by high-energy lasers-limited idling time of aircrafts, electronics fuel heating, enhanced performance of engines, and increased flight speed, thereby making effective heat dissipation from these aerospace structures increasingly essential (Nomura et al 2015). However, carbon-fiber composites are characterized by low through-thickness conductivity and high in-plane heat transportation, though with essentially equal crossply and quasi-isotropic fiber lay-up configurations, and have also been reported to have enhanced heat transfer properties of PNCs (Miranda and Yang 2015).…”

Section: Thermal Conductivity Of Carbon-fiber-based Pncsmentioning

confidence: 99%

“…The effective transfer of heat in modern medical devices, photonics, optoelectronics, computer/electronics, and integrated circuits (ICs) has become crucial for superior reliability and performance of these devices (Miranda and Yang 2015, Nomura et al 2015, Regner et al 2016, Gu et al 2016. The rapid escalation of power densities in three-dimensional (3D) integration and highpower density communication, information, and energy storage devices has made thermal management of these devices critically essential (Renteria et al 2015a).…”

Section: Introductionmentioning

confidence: 99%

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Recently emerging trends in thermal conductivity of polymer nanocomposites

Idumah

Hassan²

2016

Reviews in Chemical Engineering

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Due to escalating power densities in electronics, information, communication, energy storage, aerospace, and automobile technologies, heat dissipation has become immensely essential for the efficient performance and reliability of photonic, electronics, optoelectronics, and other devices in order to proactively prevent premature failure due to overheating. The functionalization and synergistic inclusion of thermally conducting nanoparticles such as carbon derivatives and metallic and ceramic fillers into polymer matrices have resulted in development of thermally conducting polymer nanocomposites. This has enlarged the scope of application of these materials in areas hitherto restricted due to poor thermal conductivity and, therefore, opened broad windows of opportunities for polymer nanocomposites as emerging alternative replacements for metal components in various applications where effective heat dissipation is compulsory for device performance. Thus, this paper critically discusses globally emerging technologies applied in the development of thermally conductive polymer nanocomposites for various industrial applications.

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Section: Thermal Conductivity Of Graphene-based Pncsmentioning

confidence: 99%

Section: Thermal Conductivity Of Carbon-fiber-based Pncsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Recently emerging trends in thermal conductivity of polymer nanocomposites

Idumah

Hassan²

2016

Reviews in Chemical Engineering

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“…For the past few years, the microencapsulation of paraffin core with organic shells has been widely studied, such as poly (methyl methacrylate) (PMMA) [14], polystyrene [15], melamine-formaldehyde resin [16], and poly (methacrylic acid-co-ethyl methacrylate) (P(MAAco-EMA)) [17]. Nonetheless, as for these micro-PCMs with polymer shell materials have good performance in improving structural stability, there are still some drawbacks such as low thermal conductivity and mechanical strength, poor thermal and chemical stability [18][19][20]. In addition, it also delays the thermal response and deceleration of heat transfer in thermal regulation processes.…”

Section: Introductionmentioning

confidence: 98%

Microencapsulation of phase change materials with binary cores and calcium carbonate shell for thermal energy storage

et al. 2016

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“…In these works, it was demonstrated that it is possible to tailor the both melting temperature and the melting enthalpy of the PCO matrix by changing the crosslinker amount [41,42]. In order to overcome the problem of the intrinsic low thermal conductivity of paraffin waxes, it was recently demonstrated that it is possible to add conductive nanofillers at limited amounts [43,44]. In fact, several efforts has been made in the last years to investigate the thermal conductivity behaviour of polymer nanocomposites [45][46][47][48][49][50].…”

mentioning

confidence: 99%

Phase changing nanocomposites for low temperature thermal energy storage and release

Dorigato¹,

Canclini²,

Unterberger³

et al. 2017

Express Polym. Lett.

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It is well known that through thermal energy storage (TES) systems it is possible to store (release) thermal energy by heating (cooling) a medium in order to utilize the stored energy when required. Possible applications involve power generation systems [1][2][3][4] and building constructions [5], where about one half of the energy demand is in the form of thermal energy, and the requirement may markedly vary in time [6][7][8]. TES technology have been also investigated in the textiles industry for the production of 'smart' fabrics able to maintain the right temperature of the body [9][10][11][12][13][14]. Other applications could be represented by the food storage [15,16] and the development of innovative solar plants [17][18][19]. Latent heat TES systems has recently attracted the attention of researchers, because these systems are characterized by a high energy storage density at constant temperature corresponding to the transition temperature of the phase change material (PCM) [18,20]. Generally speaking, a solid/liquid or a solid/solid phase transition could occur, and depending on their chemical nature these materials can be classified as organic, inorganic or eutectic. Organic PCM have several advantages [21,22] Abstract. The aim of this paper is to develop new elastomeric phase change materials (PCM) for the thermal energy storage/release below room temperature. In particular, poly(cyclooctene) (PCO)/paraffin blends filled with various concentrations of carbon nanotubes (CNTs), were prepared by a melt compounding process. The microstructural, thermo-mechanical and electrical properties of the resulting materials were investigated. The microstructure of these materials was characterized by the presence of paraffin domains inside the PCO, and CNTs were located only inside the paraffin domains in forms of aggregated clusters. DSC tests evidenced the existence of two distinct crystallization peaks at -10 and at 6°C, respectively associated to the paraffin and the PCO phases, indicating that both the polymeric constituents are thermally active below room temperature. Moreover, CNT addition did not substantially alter the melting/crystallization properties of the material. Noticeable improvements of the mechanical properties and of the electrical conductivity with respect to the neat PCO/paraffin blend could be obtained upon CNT addition, and also thermal conductivity/diffusivity values were considerably enhanced above the percolation threshold. Finite element modeling demonstrated the efficacy of the prepared nanocomposites for applications in the thermal range from -30 to 6°C.

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High thermal conductivity phase change composite with percolating carbon fiber network

Cited by 139 publications

References 43 publications

Recently emerging trends in thermal conductivity of polymer nanocomposites

Recently emerging trends in thermal conductivity of polymer nanocomposites

Microencapsulation of phase change materials with binary cores and calcium carbonate shell for thermal energy storage

Phase changing nanocomposites for low temperature thermal energy storage and release

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