用于高效热能储存的聚乙二醇浸润生物质多孔碳相变复合材料

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-04-03 DOI:10.1007/s42114-024-00880-z

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引用次数: 0

摘要

摘要随着现代能源消耗的急剧增加，具有快速制备特点的相变复合材料被用于热能储存，以应对能源危机的挑战。本研究采用 NaCl 辅助碳化工艺制备了体积收缩率仅为 2% 的多孔红豆杉碳，为 PEG-4000 的封装提供了巨大的空间。这种复合材料具有优异的热稳定性，吸收率为 88.24%，熔化焓为 174.87 J/g，相对焓效率为 97.78%。因此，这种复合材料在光热、电热和磁热转换中储存和释放热能方面表现出色。这项研究为快速制备相变复合材料提供了一种极具价值的策略，有助于其在热能储存领域的实际应用。图表摘要

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Polyethylene glycol infiltrated biomass-derived porous carbon phase change composites for efficient thermal energy storage

Abstract

With the sharp increase in modern energy consumption, phase change composites with the characteristics of rapid preparation are employed for thermal energy storage to meet the challenge of energy crisis. In this study, a NaCl-assisted carbonization process was used to construct porous Pleurotus eryngii carbon with ultra-low volume shrinkage rate of 2%, which provides enormous space for encapsulation of PEG-4000. Such composite possesses exceptional thermal stability, with an absorption rate of 88.24%, a melting enthalpy of 174.87 J/g, and a relative enthalpy efficiency of 97.78%. Consequently, the resultant composites exhibit outstanding performances in storing and releasing thermal energy for photo-thermal, electric-thermal, and magnetic-thermal conversion. This study presents a highly valuable strategy into the quick fabrication of phase change composites, facilitating their practical applications in thermal energy storage.

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.