Flexible monolithic phase change material based on carbon nanotubes/chitosan/poly(vinyl alcohol)

Piao, Changhao; Gao, Hongyi; Chen, Xiao; Chen, Yuanyuan; Han, Mengyi; Xing, Liwen; Li, Panpan; Wang, Ge

doi:10.1016/j.cej.2020.125330

Cited by 114 publications

(48 citation statements)

References 59 publications

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“…A large number of functional materials, especially carbon materials, have been proved to be competitive candidates for the fabrication of composite PCMs with enhanced performances. 12,[16][17][18][19] These carbon materials are mainly used to improve the thermal conductivity, shape ability, and thermal stability of composite PCMs, as well as solar-to-thermal, electric-to-thermal conversion capability. However, it is currently difficult to endow composite PCMs with more advanced multifunctions.…”

Section: Progress and Potentialmentioning

confidence: 99%

“…Under UV irradiation, the ZnO shell generates electrons that react with water and oxygen to produce hydroxyl and superoxide radicals and holes that react with methylene blue, followed by a serious of complicated degradation reactions, and finally the oxidation of methylene blue to H 2 O, CO 2 , NH 4 + and SO 4 . [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50]…”

Section: Smart Photocatalysis and Antibiosis Utilization Of Zno In Pcmsmentioning

confidence: 99%

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Smart Utilization of Multifunctional Metal Oxides in Phase Change Materials

Chen

Tang

et al. 2020

Matter

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104

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Efficient thermal energy storage technologies based on phase change materials (PCMs) that are capable of reversibly harvesting tremendous thermal energy during the isothermal phase transition have recently received unprecedented attention and are booming explosively in the exploitation of state-of-the-art multifunctional composite PCMs. In this regard, the smart integration of versatile metal oxides into PCMs has made significant contributions. However, a comprehensive review associated with the smart utilization of multifunctional metal oxides in PCMs is lacking. Here, we systematically summarize recent advances concerning the smart utilization of multifunctional metal oxides in PCMs for thermal storage, thermal transfer, energy conversion, and advanced versatile applications. This review aims to provide in-depth insights into the interactive relationships between multifunctional metal oxides and PCMs, thus providing a guide for the target design of high-performance multifunctional composite PCMs. We also highlight the current challenges and possible future research directions.

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Section: Progress and Potentialmentioning

confidence: 99%

Section: Smart Photocatalysis and Antibiosis Utilization Of Zno In Pcmsmentioning

confidence: 99%

Smart Utilization of Multifunctional Metal Oxides in Phase Change Materials

Chen

Tang

et al. 2020

Matter

Self Cite

104

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“…To date, the most popular leak-proof strategies are the construction of shape-stabilized composite PCMs and core-shell composite PCMs. [12][13][14][15][16][17][18][19][20] Low thermal conductivity decelerates the thermal charging/discharging rates of PCMs. Originally, additives with high thermal conductivity were directly introduced into a system to obtain thermally conductive composite PCMs; however, the enhancement of thermal conductivity was generally limited.…”

Section: Introductionmentioning

confidence: 99%

Carbon‐Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion

et al. 2021

Self Cite

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Phase change materials (PCMs) can alleviate concerns over energy to some extent by reversibly storing a tremendous amount of renewable and sustainable thermal energy. However, the low thermal conductivity, low electrical conductivity, and weak photoabsorption of pure PCMs hinder their wider applicability and development. To overcome these deficiencies and improve the utilization efficiency of thermal energy, versatile carbon materials have been increasingly considered as supporting materials to construct shape‐stabilized composite PCMs. Despite some carbon‐based composite PCMs reviews regarding thermal conductivity enhancement, a comprehensive review of carbon‐based composite PCMs does not exist. Herein, a systematic overview of recent carbon‐based composite PCMs for thermal storage, transfer, conversion (solar‐to‐thermal, electro‐to‐thermal and magnetic‐to‐thermal), and advanced multifunctional applications, including novel metal organic framework (MOF)‐derived carbon materials are provided. The current challenges and future opportunities are also highlighted. The authors hope this review can provide in‐depth insights and serve as a useful guide for the targeted design of high‐performance carbon‐based composite PCMs.

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“…[2][3][4] Attributed to the characteristics of high energy storage density, small temperature difference between storage and recovery, convenience, simplicity and rapidity, phase change materials (PCMs) have been much applied in energy storage, which can undergo phase transformation in a certain range of temperature and capture a large amount of excess heat energy. [5][6][7] Based on the different states the in phase change process, PCMs are divided into three types: solid-solid PCMs, solidliquid PCMs and liquid-gas PCMs. For high latent heat, low cost and diversity, solid-liquid PCMs including salt hydrates, paraffin wax, fatty acids and poly(ethylene glycol) 8 have been intensively researched and mostly applied in the fields of building energy conservation, thermal management of electronic components and solar energy acquisition.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous phase change energy storage and thermoresponsive shape memory properties of porous poly(vinyl alcohol)/phase change microcapsule composites

Shi

Liu

et al. 2021

Polymer International

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Porous poly(vinyl alcohol) (PVA)/phase change microcapsule composites with shape memory properties were prepared by physical foaming, cycles of freezing-thawing and freeze drying. The effects of phase change microcapsules on pore structure, phase change energy storage capacity, thermal stability, crystallinity, mechanical properties, shape memory properties and water absorption and retention of the porous composites were investigated. With an increase of the proportion of phase change microcapsules, the pore density, pore size and water absorption and retention of the porous composite materials were decreased, while the phase change energy storage performance was improved and ΔH m was up to 31.22 J g −1 . The phase change energy storage of the porous composites was stable even after 50 phase transition cycles. Meanwhile, the thermal stability of the porous composites was also not affected by the addition of phase change microcapsules. The entanglement of PVA molecular chains in the porous composites was affected by the microcapsules embedded in the matrix of PVA during freezingthawing cycles, resulting in a change of crystallinity and mechanical properties of the porous composites. The porous composites with phase change energy storage capacity also showed good shape memory performance with shape recovery rate of 100% even after multiple deformation, which was expected to expand the multi-field application of dual-functional materials.

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Flexible monolithic phase change material based on carbon nanotubes/chitosan/poly(vinyl alcohol)

Cited by 114 publications

References 59 publications

Smart Utilization of Multifunctional Metal Oxides in Phase Change Materials

Smart Utilization of Multifunctional Metal Oxides in Phase Change Materials

Carbon‐Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion

Simultaneous phase change energy storage and thermoresponsive shape memory properties of porous poly(vinyl alcohol)/phase change microcapsule composites

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