Journal ArticleDOI
Novel light-driven and electro-driven polyethylene glycol/two-dimensional MXene form-stable phase change material with enhanced thermal conductivity and electrical conductivity for thermal energy storage
Xiang Lu,Haowei Huang,Xinya Zhang,Pengcheng Lin,Jintao Huang,Xinxin Sheng,Li Zhang,Jin-ping Qu +7 more
TLDR
In this paper, a light-driven and electro-driven polyethylene glycol (PEG)/two-dimensional MXene composite with enhanced thermal conductivity and electrical conductivity as form-stable phase change material (FSPCM) is first obtained via the simple vacuum impregnation by employing MXene as the supporting skeleton as well as thermally conductive and electrically conductive filler and PEG as the phase change working substance.Abstract:
Novel light-driven and electro-driven polyethylene glycol (PEG)/two-dimensional MXene composite (PEG@MXene) with enhanced thermal conductivity and electrical conductivity as form-stable phase change material (FSPCM) is first obtained via the simple vacuum impregnation by employing MXene as the supporting skeleton as well as thermally conductive and electrically conductive filler and PEG as the phase change working substance. Fourier transform infrared spectroscopy (FT-IR) indicates that no chemical reaction occurred between PEG and MXene during adsorption process, but X-ray diffraction (XRD) results show the crystalline regions of PEG was decreased by the incorporation of MXene. The differential scanning calorimetry (DSC), polarizing microscope (POM), as well as XRD results demonstrate that the MXene nanosheets act as heterogeneous crystal nuclei and promote the crystallization of PEG. The melting and freezing latent heats of PEG@MXene are as high as 131.2 and 129.5 J/g, respectively, the relative enthalpy efficiency is 80.3%, and the thermal conductivity and electrical conductivity are 2.052 W/mK and 10.41 S/m, respectively. The obtained PEG@MXene has excellent light-to-thermal conversion, electro-to-thermal conversion and thermal energy storage performance. All these results demonstrate that the obtained PEG@MXene will have a great potential application for thermal energy storage.read more
Citations
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Journal ArticleDOI
Multifunctional HDPE/CNTs/PW composite phase change materials with excellent thermal and electrical conductivities
Xiaolong Li,Xinxin Sheng,Yongqiang Guo,Yongqiang Guo,Xiang Lu,Hao Wu,Ying Chen,Li Zhang,Junwei Gu +8 more
TL;DR: In this article, a series of paraffin wax HDPE/CNTs/PW composite PCMs were obtained combined with the simple vacuum impregnation method, which can effectively avoid the leakage of PW, meanwhile, the thermal conductivity and electrical conductivity of the composite PCM were increased by 2.94 times and 13 orders of magnitude compared with the original PCM.
Journal ArticleDOI
Flame-retardant and leakage-proof phase change composites based on MXene/polyimide aerogels toward solar thermal energy harvesting
Yanmei Cao,Mengman Weng,Mohamed H. H. Mahmoud,Ashraf Y. Elnaggar,Li Zhang,Islam H. El Azab,Ying Chen,Mina Huang,Jintao Huang,Xinxin Sheng +9 more
Journal ArticleDOI
Rational design of two-dimensional nanofillers for polymer nanocomposites toward multifunctional applications
TL;DR: In this article, the authors present an overview of recent advances empowering the development of 2D nanofiller/polymer composites in the context of novel synthesis and assembly techniques, multiscale structural characteristics, multifunctional properties and emergent applications.
Journal ArticleDOI
Flame-retardant and form-stable phase change composites based on MXene with high thermostability and thermal conductivity for thermal energy storage
Yong Luo,Yuhui Xie,Hao Jiang,Ying Chen,Li Zhang,Xinxin Sheng,Delong Xie,Hua Wu,Hua Wu,Yi Mei +9 more
TL;DR: In this article, a flame-retardant phase change material (PSM-4) is proposed for solar thermal energy utilization, where an MXene with a porous architecture serves as the supporting skeleton for PCMs.
Journal ArticleDOI
High Concentration of Ti3C2Tx MXene in Organic Solvent.
TL;DR: In this article, a tuned microenvironment method (TMM) is proposed to prepare a highly concentrated Ti3C2Tx organic solvent dispersion by tuning the microenvironment of Ti3c2Tx.
References
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Two‐Dimensional Nanocrystals Produced by Exfoliation of Ti 3 AlC 2
Michael Naguib,Murat Kurtoglu,Volker Presser,Jun Lu,Junjie Niu,Min Heon,Lars Hultman,Yury Gogotsi,Michel W. Barsoum +8 more
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Journal ArticleDOI
MXene: a promising transition metal carbide anode for lithium-ion batteries
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Journal ArticleDOI
Thermal energy storage for low and medium temperature applications using phase change materials – a review
TL;DR: A comprehensive review of phase change materials (PCMs) with phase transition temperatures between 0 and 250°C is presented in this paper, with the focus on this temperature range is due to potential CO 2 emissions reduction able to be achieved replacing conventional heating and cooling applications in the domestic, commercial and public administration sectors, which represented around a quarter of the UK's final energy consumption in 2015.
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Thermal energy storage materials and systems for solar energy applications
TL;DR: In this article, a summary of various solar thermal energy storage materials and TES systems that are currently in use is presented and the properties of solar thermal storage materials are discussed and analyzed.
Journal ArticleDOI
Polyethylene glycol (PEG)/diatomite composite as a novel form-stable phase change material for thermal energy storage
TL;DR: In this paper, the authors deal with the preparation, characterization and determination of thermal energy storage properties of polyethylene glycol (PEG)/diatomite composite as a novel form-stable composite phase change material (PCM).