Graphene-carbon nanotube hybrid aerogel/polyethylene glycol phase change composite for thermal management

Cao, Qianyun; Li, Yinjun; He, Zhiyu; Wang, Renchao; Wei, Hu; Zhang, Kai; Yang, Wenbin

doi:10.1080/1536383x.2020.1737933

Cited by 29 publications

(9 citation statements)

References 37 publications

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“…However, this achievement in thermal conductivity is significant considering the TA/ATP/CNF aerogel’s notably low density of 6.13 mg·cm –3 . These values are significantly lower than those of previously reported CNF-based aerogels − and inorganic aerogels based on graphene nanosheets, SiO 2 nanofiber, graphene–carbon nanotube, and polybenzoxazine (Figure c). − This suggests that the TA/ATP/CNF aerogel is of great importance for applications requiring a high thermal insulation performance and low weight.…”

Section: Resultsmentioning

confidence: 99%

Ultralight, Hydrophobic, Fire-Resistant, and Highly Thermally Insulating Aerogel by Cross-Linking Cellulose Nanofiber with Tannin and Adenosine Triphosphate

Yoon,

Song,

Jeong

et al. 2023

ACS Appl. Polym. Mater.

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Although cellulose nanofiber (CNF) aerogels have promising applications in fields such as thermal insulation, adsorption, and separation, their use has been restricted because of their limited mechanical stability and flammability. To overcome these limitations, this study utilizes the unique properties of tannic acid (TA) and adenosine triphosphate (ATP) biomolecules to fabricate a synergistic TA/ATP/CNF aerogel with exceptional features such as ultralightness, hydrophobicity, lipophilicity, fire resistance, and high thermal insulation. With a low density of 6.13 mg•cm −3 , thermal conductivity of 0.12 W•m −1 •K −1 , and high limiting oxygen index of 30.5%, the TA/ATP/CNF aerogel outperforms other state-of-the-art aerogels, including CNF-based aerogels. The study also presents a computational algorithm using Python 3.6 to analyze the aerogel's highly porous structure. Owing to its lipophilic properties, the TA/ATP/CNF aerogel is a promising porous adsorbent capable of rapidly adsorbing oil/organic solvents while exhibiting excellent flame retardancy, even when saturated with oil. This study highlights the potential of using natural biomolecules to improve the properties of CNF aerogels, making them suitable for various applications such as thermal insulation, adsorption, and separation.

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Section: Resultsmentioning

confidence: 99%

Ultralight, Hydrophobic, Fire-Resistant, and Highly Thermally Insulating Aerogel by Cross-Linking Cellulose Nanofiber with Tannin and Adenosine Triphosphate

Yoon,

Song,

Jeong

et al. 2023

ACS Appl. Polym. Mater.

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“…CNTs with lightweight and excellent heat transfer properties can serve as secondary heat conductive nanofillers and construct extended surfaces on skeletal structures to further improve the heat transfer performance of GA-based composite PCMs. 115 Cao et al 116 investigated the effect of 3D thermally conductive skeletons with different ratios of GO and CNTs on the thermal conductivity of composite PCMs. The results indicated that the disorderly arrangement of excess CNTs induced the disorganization of the heat transfer paths of the composite PCMs, resulting in the reduction of thermal conductivity.…”

Section: Carbon Aerogel-based Pcmsmentioning

confidence: 99%

Aerogels Meet Phase Change Materials: Fundamentals, Advances, and Beyond

et al. 2022

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Benefiting from the inherent properties of ultralight weight, ultrahigh porosity, ultrahigh specific surface area, adjustable thermal/electrical conductivities, and mechanical flexibility, aerogels are considered ideal supporting alternatives to efficiently encapsulate phase change materials (PCMs) and rationalize phase transformation behaviors. The marriage of versatile aerogels and PCMs is a milestone in pioneering advanced multifunctional composite PCMs. Emerging aerogel-based composite PCMs with high energy storage density are accepted as a cutting-edge thermal energy storage (TES) concept, enabling advanced functionality of PCMs. Considering the lack of a timely and comprehensive review on aerogel-based composite PCMs, herein, we systematically retrospect the state-of-the-art advances of versatile aerogels for high-performance and multifunctional composite PCMs, with particular emphasis on advanced multiple functions, such as acoustic−thermal and solar−thermal−electricity energy conversion strategies, mechanical flexibility, flame retardancy, shape memory, intelligent grippers, and thermal infrared stealth. Emphasis is also given to the versatile roles of different aerogels in composite PCMs and the relationships between their architectures and thermophysical properties. This review also showcases the discovery of an interdisciplinary research field combining aerogels and 3D printing technology, which will contribute to pioneering cutting-edge PCMs. This review aims to arouse wider research interests among interdisciplinary fields and provide insightful guidance for the rational design of advanced multifunctional aerogel-based composite PCMs, thus facilitating the significant breakthroughs in both fundamental research and commercial applications.

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“…[8] The phase change materials (PCMs) mainly involve inorganic phase change materials and organic phase change materials. [2,3] Organic phase change materials, such as paraffin, [9][10][11][12] stearic acid [13] and poly(ethylene glycol), [14] without the disadvantages of large supercooling, strong corrosion, and severe phase separation that are common in inorganic phase change materials, has become the focus of current research. Paraffin, as a typical organic phase change material, has the advantages of strong chemical stability, low cost, high heat storage density, and wide phase change temperature, and thus has been widely investigated for application in BTMS.…”

Section: Introductionmentioning

confidence: 99%

Thermal‐Conductivity‐Enhancing Copper‐Plated Expanded Graphite/Paraffin Composite for Highly Stable Phase‐Change Materials

Yan,

Han,

Dang

et al. 2023

ChemPhysChem

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Paraffin (PA)/expanded graphite (EG) is an important composite phase change material with low cost, high heat storage, good thermal conductivity and cycling stability. Its thermal conductivity needs to be further improved for application in the thermal management system of power lithium‐ion batteries. In this paper, copper plated expanded graphite (CPEG) with 3D porous structure was prepared by electroless copper plating method, which was used as thermal conductivity enhancing material to replace part of EG in PA/EG composite materials. For the optimized phase change material composed of 80%PA‐14%EG‐6%CPEG, the copper content is very low (0.768 wt%), but its thermal conductivity can be significantly improved without loss of latent heat and thermal cycling stability. Its thermal conductivity is increased from 11 times to 16.5 times that of paraffin while compared with the copper‐free composite material (80%PA‐20%EG). The PA/EG/CPEG composite material exhibits good temperature control effect on power lithium‐ion batteries.

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Graphene-carbon nanotube hybrid aerogel/polyethylene glycol phase change composite for thermal management

Cited by 29 publications

References 37 publications

Ultralight, Hydrophobic, Fire-Resistant, and Highly Thermally Insulating Aerogel by Cross-Linking Cellulose Nanofiber with Tannin and Adenosine Triphosphate

Ultralight, Hydrophobic, Fire-Resistant, and Highly Thermally Insulating Aerogel by Cross-Linking Cellulose Nanofiber with Tannin and Adenosine Triphosphate

Aerogels Meet Phase Change Materials: Fundamentals, Advances, and Beyond

Thermal‐Conductivity‐Enhancing Copper‐Plated Expanded Graphite/Paraffin Composite for Highly Stable Phase‐Change Materials

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