The application of thermal energy storage (TES) technology in practical engineering has been limited by liquid leakage and material rigidity during phase change. In this study,
Due to its high energy density, high temperature and strong stability of energy output, phase change material (PCM) has been widely used in thermal energy systems. The aim of this review is to provide an insight into the thermal conduction mechanism of phonons in PCM and the morphology, preparation method as well as
The study presents a multi-field driven thermochromic films with phase change energy storage properties (PCES-TCF). PCES-TCF is constructed by thermochromic liquid crystal layer and polymer
Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling
The idea is to use a phase change material with a melting point around a comfortable room temperature – such as 20-25 degrees Celsius. The material is encapsulated in plastic matting, and can be
Phase change materials (PCMs) involving significant amounts of latent heat absorbing and releasing at a constant transition temperature have been extensively utilized for thermal management of electronic devices. However, it is still a great challenge to apply
Thermal energy storage (TES) using phase change materials (PCMs) has received increasing attention since the last decades, due to its great potential for energy savings and energy management in the building sector. As one of the main categories of organic PCMs, paraffins exhibit favourable phase change temperatures for solar thermal
Phase change film (PCF) has been extensively studied as a novel application form of energy storage phase change material (PCM). The emergence of PCF has made
Phase change energy storage technology, as an effective means of energy storage, can resolve the mismatch between energy supply in time and space by
The 0.2PPL-2 film exhibits solid-solid phase change behavior with energy storage density of 131.8 J/g at the transition temperature of 42.1 °C, thermal cycling stability (500 cycles),
Phase change materials (PCMs), a key component of LHS systems, store and release thermal energy through their phase transitions. Paraffin, a widely used organic PCM, is a promising candidate for thermal energy storage because of its high latent heat, good thermal stability, and negligible supercooling ( Zhao et al., 2020 ).
An intrinsically flexible phase change film with remarkable shape tailorability and foldability exhibits superior performance in wearable thermal managements (Image by KOU Yan and SUN Keyan) This PCM film showed adjustable phase transition enthalpy and temperature in the region from 5 to 60 °C, as well as long-term cycling stability up to 1000 cycles.
This study proposes novel form-stable phase-change films (FSPCFs) for wearable thermal management. Phase change thermal energy storage enabled by an in situ formed porous tio2 Small, 19 (2023), p. 2204998, 10.1002/smll.202204998 View in
Introduction Solid-liquid phase-change materials (PCMs) are a type of latent heat-storage material. They can absorb and store a large quantity of thermal energy from different heat sources, such as solar and waste heat, and release it
Semantic Scholar extracted view of "Flexible graphene aerogel-based phase change film for solar-thermal energy conversion and storage in personal thermal management applications" by Keyan Sun et al. DOI: 10.1016/J.CEJ.2021.129637 Corpus ID:
As an inexpensive and easily available organic phase change material (PCM), paraffin has good energy storage effect and can realize efficient energy storage and utilization. In this work, paraffin section–lauric acid (PS–LA) and paraffin section–myristic acid (PS–MA) were prepared by melting blending paraffin section (48–50 °C) with fatty
The results showed that the TEHM system presents 20% and 7% more energy and exergy efficiency than the TECM systems. The best system concerning FWAP was the TEHM with PCM and turbulator, producing a value of 10.5 L/m2 day. While for the same system without PCM, the FWAP was 7.5 L/m2 day.
The double-layered phase-change microcapsules (hereafter named "PANi@TiO 2 @C 22 MePCM") were fabricated through a two-step process of layer-by-layer encapsulation. Firstly, primary phase-change microcapsules (hereafter named "TiO 2 @C 22 MePCM") consisting of an n-docosane PCM core and a TiO 2 shell were synthesized
Polarized optical microscopy images of the T-CNF/PEO composite films and 100% PEO and 100% T-CNF films are presented in Fig. 3.A typical spherocrystal pattern was observed for the 100% PEO film under polarized light (Chen et al., 2015; Fallahi et al., 2017; Li, Wu, Liu, & Huang, 2009; Li et al., 2009; Peng et al., 2016), which explains
However, PEG is considered an excellent phase change energy storage material due to its stable melting behavior, high latent heat of fusion, safety, and non-corrosiveness. However, as a common solid-liquid PCM, PEG requires storage in hermetically sealed containers to prevent leakage during the melting process.
Abstract Polyvinyl alcohol (PVA) blending with the phase change material (PCM) to prepare thermal energy storage film has the disadvantage of leakage. The waste fly ash (FA) can be used as the subs Funding information: the Excellent Innovation Project for Graduate Students of Shanxi Province, Grant/Award Number: 2021Y685; the financial
Thermal storage is very relevant for technologies that make thermal use of solar energy, as well as energy savings in buildings. Phase change materials (PCMs) are positioned as an attractive alternative to storing thermal energy. This review provides an extensive and comprehensive overview of recent investigations on integrating PCMs in
To improve the equivalent specific heat capacity of air-conditioning cooling water systems, the current study focused on the preparation and performance evaluation of inorganic hydrated salt phase-change microcapsules. Herein, a phase change microcapsule with sodium sulfate decahydrate (Na2SO4·10H2O, SSD) composite phase
Herein, we report an intrinsically flexible PCM film with apparent solid-solid phase transition performance, outstanding self-support and shape-conformable property for wearable
In addition, the melting enthalpy of the PVP 0.2 /PVA/Ery 2 phase change film is also larger than those previously reported flexible self-healing phase change materials listed in Table 1, which can be used to provide
Phase change materials (PCMs) for the charge and discharge of thermal energy at a nearly constant temperature are of interest for thermal energy storage and management, and porous materials are usually used to support PCMs for preventing the liquid leakage and shape instability during the phase change process. Comp
Highlights. •. PCES-TCF are multi-field driven and can obtain multicolor patterns under the combined driving of electric and temperature fields. •. The prepared liquid crystal films have phase change energy storage by doping with PCESM. •. The proper PCESM content can achieve the double energy saving of electric and temperature fields. •.
In this study, the mechanical and electrical properties of Zn–Sb thin films with different Zn contents were focused; the corresponding improvement mechanism is also discussed. It is found that the maximum phase transition temperature of the film is 250 °C when the Zn content is about 50 at%. The crystallization activation energy of the film
Phase change energy storage technology (PCEST) can improve energy utilization efficiency and solve the problem of fossil energy depletion. Phase change
Moreover, the PCNFs showed excellent solar-to-thermal energy conversion and storage ability, attributed to the π–π stacking of SLS molecules and the phase-change process, respectively. The SLS/PVA/PEG film with a PEG content of 32.43% exhibited a diameter of 465 ± 109 nm and a latent heat of fusion of 42.16 J·g –1,
Citation: XIAO Tong, LIU Qingyi, ZHANG Jiahao, et al. Recent advances in thermosetting resin-based composite phase change materials and enhanced phase change energy storage[J]. Acta Materiae Compositae Sinica, 2023, 40(3): 1311-1327. doi: 10.13801/j.cnki.fhclxb.20220527.001
The phase change film behaves an outstanding flexibility with the high phase transition enthalpy up to 191.5 J/g at the transition temperature of 98.7 C. Remarkably, owing to the
Therefore, the optimal SBTP film exhibits high thermal enthalpy of 145.1 J g −1, enthalpy efficiency of over 94%, robust shape stability and low leakage of <1.2%. It also displays high photothermal conversion of over 80 °C, photothermal storage of 394 s g −1 and excellent stability.
The accumulation of ice may cause serious safety problems in numerous fields. A photothermal superhydrophobic surface is considered to be useful for preventing ice formation because of its environmentally friendly, energy-saving, and excellent anti-icing/de-icing properties. However, it easily fails to work in the absence of sunlight. To improve its
Multi-field driven thermochromic films with phase change energy storage Dyes and Pigments ( IF 4.5) Pub Date : 2022-09-28, DOI: 10.1016/j.dyepig.2022.110759 Yuzhen Zhao, Jiasong Zheng, Yang Zhao, Cheng Ma, Zemin He, Huimin Zhang, Wenyuan Duan, Ruijuan Yao, Dong Wang, Zongcheng Miao