Phase Change Materials for Energy Storage Applications from PEG and PBAT with AlN and CNT as Fillers.

IF 3.7 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

ACS Omega Pub Date : 2024-12-06 eCollection Date: 2024-12-17 DOI:10.1021/acsomega.4c07480

Eyob Wondu, Wondu Lee, Minsu Kim, Dabin Park, Jooheon Kim

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引用次数: 0

Abstract

This study investigates the fabrication of phase change material-poly(butylene adipate-co-terephthalate) (PCM-PBAT) composites through melt blending techniques, focusing on the impact of isophorone diisocyanate (IPDI) treatment on carbon nanotubes (CNTs) and (3-aminopropyl)triethoxysilane (APTES) treatment on aluminum nitride (AlN) particles. Analysis of mechanical properties highlights an enhancement in tensile strength with APTES-treated AlN particles, while dynamic mechanical analysis (DMA) reveals an increase in stiffness. Laser flash analysis (LFA) investigation demonstrates a significant increase, up to 325%, in thermal conductivity compared to PCM-PBAT composites without filler. Moreover, the fabricated composites exhibit enhanced latent heat storage capabilities, with the PCM-PBAT composite containing 30% filler (20PCM-PBAT-30F) showing promising latent heat values. These findings underscore the efficacy of selecting an appropriate PCM-PBAT ratio and surface functionalization of the filler particles in enhancing the latent heat storage and thermal and mechanical properties of the polymer composites, suggesting their potential application across diverse fields.

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以氮化铝和碳纳米管为填料的聚乙二醇和聚乙二醇相变储能材料。

本研究采用熔融共混技术制备相变材料-聚己二酸丁二酯-对苯二甲酸乙二醇酯（PCM-PBAT）复合材料，重点研究了二异氰酸酯异峰酮（IPDI）处理对碳纳米管（CNTs）和（3-氨基丙基）三乙氧基硅烷（APTES）处理对氮化铝（AlN）颗粒的影响。力学性能分析强调了aptes处理的AlN颗粒的抗拉强度增强，而动态力学分析（DMA）显示刚度增加。激光闪光分析（LFA）研究表明，与未添加填料的PCM-PBAT复合材料相比，其导热系数显著提高，最高可达325%。此外，制备的复合材料具有增强的潜热储存能力，含有30%填料的PCM-PBAT复合材料（20PCM-PBAT-30F）具有良好的潜热值。这些发现强调了选择合适的PCM-PBAT比例和填料颗粒的表面功能化在提高聚合物复合材料的潜热储存和热力学性能方面的有效性，表明了它们在不同领域的潜在应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Omega Chemical Engineering-General Chemical Engineering

CiteScore

6.60

自引率

4.90%

发文量

3945

审稿时长

2.4 months

期刊介绍： ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.