Phase Change Materials via H-Bonding Cross-Linking for Cold Energy Storage and Management

IF 4.4 2区 化学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Yu Han, Qiang He*, Yuqun Fang, Jingkai Nie, Weinan Qin, Hao Liu and Kai Zhu, 
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引用次数: 0

Abstract

Phase change materials (PCMs) offer great potential for realizing zero-energy thermal management due to superior cold storage and stable phase change temperatures. However, the widespread use of PCMs is consistently impeded by issues such as liquid leakage and solid rigidity. Here, we present a simple yet effective strategy for developing highly flexible polymer-based phase change materials. Our approach involves creating a dual three-dimensional (3D) cross-linked network of acrylamide (AM) and sodium alginate (SA) within a poly(vinyl alcohol) (PVA) matrix. The synergy between H-bonds and AM-SA networks significantly enhances the mechanical strength, thermal stability, and leakage resistance of PVA@AM-SA. Our research offers a promising approach to designing phase change materials with both high latent heat capacity and exceptional mechanical strength, making them ideal for use in wearable thermal management applications.

Abstract Image

氢键交联相变材料在冷能储存和管理中的应用
相变材料(PCMs)由于其优越的冷库性能和稳定的相变温度,为实现零能耗热管理提供了巨大的潜力。然而,pcm的广泛使用一直受到诸如液体泄漏和固体刚性等问题的阻碍。在这里,我们提出了一种简单而有效的策略来开发高柔性聚合物基相变材料。我们的方法包括在聚乙烯醇(PVA)基质中创建丙烯酰胺(AM)和海藻酸钠(SA)的二维(3D)交联网络。氢键和AM-SA网络之间的协同作用显著提高了PVA@AM-SA的机械强度、热稳定性和防漏性。我们的研究为设计具有高潜热容量和卓越机械强度的相变材料提供了一种有前途的方法,使其成为可穿戴热管理应用的理想选择。
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来源期刊
CiteScore
7.20
自引率
6.00%
发文量
810
期刊介绍: ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.
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