储能科学与技术

• 储能科学与技术 •    

有机多孔定形复合相变储热材料研究进展

刘涛涛1(), 张少朋1, 王艺斐1,2(), 林曦鹏1,2()   

  1. 1.毕节高新技术产业开发区国家能源大规模物理储能技术研发中心,贵州 毕节 551700
    2.中国科学院工程热物理研究所 北京 110190
  • 收稿日期:2025-01-14 修回日期:2025-02-28 出版日期:2025-03-03
  • 通讯作者: 王艺斐,林曦鹏 E-mail:2743585592@qq.com;wangyifei@iet.cn;linxipeng05@163.com
  • 作者简介:刘涛涛(1995—),男,硕士研究生,初级工程师,从事相变材料研究,E-mail:2743585592@qq.com
  • 基金资助:
    贵州省科技计划项目(黔科合基础-ZK[2023]一般001),贵州省科研机构创新能力建设项目(黔科合服企[2024]017);毕节市科技计划项目(毕科合[2023]1号)

Organic porous shape-stabilized composite phase change materials for thermal energy storage: a review

Taotao LIU1(), Shaopeng ZHANG1, Yifei WANG1,2(), Xipeng LIN1,2()   

  1. 1.National Energy Large Scale Physical Energy Storage Technologies R&D Center of Bijie High-tech Industrial Development Zone, 551700, Bijie, China
    2.The Institute of Engineering Thermophysics, Chinese Academy of Sciences, 100000, Beijing, China
  • Received:2025-01-14 Revised:2025-02-28 Online:2025-03-03
  • Contact: Yifei WANG, Xipeng LIN E-mail:2743585592@qq.com;wangyifei@iet.cn;linxipeng05@163.com

摘要:

相变材料可以可逆地储存热能,在一定程度上缓解人们对能源的担忧。基于相变材料的储热技术在温度调节和热能存储应用方面具有重要的潜力。然而,传统相变材料热导率低、固液相变过程泄漏和功能单一等缺点,阻碍了其更广泛的发展和应用。有机多孔定形材料主要有生物质基和聚合物基多孔材料,可以作为构建形状稳定的复合相变材料的支撑材料,封装相变材料时与其他的功能材料复合,可制备形状稳定且具有多功能的复合相变材料,有效地解决相变储热领域的这些问题。本文首先阐述了生物质基和聚合物基多孔定形复合相变储热材料的物理共混、真空浸渍、化学接枝和静电纺丝4种制备方法,并比较了各自的优缺点。然后重点综述了通过直接复合和功能化复合的方式制备有机多孔定形复合相变材料以克服相变材料缺点的最新研究进展,并总结了相变材料和有机多孔定形材料复合后的热学性能。此外,介绍了有机多孔定形复合相变材料在太阳能储存、工业余热、智能建筑、可穿戴织物、电子设备和生物医学领域的典型应用。最后,强调了有机多孔定形复合相变储热材料研究中存在的一些挑战,为开发新型和综合性能优异的复合相变材料提供更多的研究思路。

关键词: 相变材料, 有机多孔定形材料, 复合材料, 热能存储

Abstract:

Phase change materials (PCMs) can alleviate people's concerns over energy to some extent by reversibly storing thermal energy. Heat accumulation technology based on PCMs holds significant potential for temperature regulation and thermal storage application. However, the wider development and application of the traditional PCMs were hindered by their deficiencies such as low thermal conductivity, leakage in solid-liquid phase change process and single function. Fortunately, it has been recognized that organic porous shaping materials, mainly including biomass-based and polymer-based porous materials, can be used as support materials for constructing shape-stabilized composite PCMs. When PCMs were encapsulated by organic porous shaping materials with other functional materials combined, PCMs with stable shape and multi-function can be prepared, effectively solving these problems in the field of phase change heat storage. Herein, the four preparation methods including physical blending, vacuum impregnation, chemical grafting and electrospinning of biomass-based and polymer-based multi-porous composite phase change thermal storage materials are described, and their advantages and drawbacks are compared. Then, the latest advancements in the preparation of organic porous shaped composite PCMs through direct and functional compositing methods are reviewed, which aim to address the inherent limitations of traditional PCMs. The thermal properties of these composite materials are systematically summarized. Additionally, the typical applications of organic porous shaped composite PCMs in the fields of solar energy storage, industrial waste heat, intelligent buildings, wearable fabrics, electronic devices and biomedicine are provided. Furthermore, the current challenges are highlighted to provide more research ideas for the development of novel and excellent comprehensive properties of composite PCMs.

Key words: phase change materials, organic porous shape-stabilized materials, composite materials, thermal energy storage