相变储能材料及其冷链运输应用

Phase change materials for energy storage in cold-chain transportation

随着社会对冷链物流的需求日益增长,方便快捷的冷链运输得以迅速发展。作为冷链运输所需的核心技术,相变储冷技术因可以提高能源利用效率和提供冷链运输所需的稳定低温环境受到越来越多的关注,其实际应用的关键是相变储能材料。本文回顾了冷链物流行业的发展现状,介绍了应用于冷链运输的相变储能材料的分类及其优缺点,并总结了相变储能材料性能调控的方法与原理;同时,介绍了各类新型相变储冷剂在食品运输、疫苗运输等方面的应用;最后指出,制备高储冷容量、循环性能稳定的相变储冷材料并扩大其应用范围是今后的研究重点。

With the growing demand for cold chain logistics,convenient and fast cold chain transportation has been developed rapidly.As the core technology required for cold chain transportation,phase change cold storage technology is receiving more and more attention for it can improve energy utilization efficiency and provide a stable low-temperature environment required for cold chain transportation,and the key to its practical application is phase change energy storage material.This paper reviewed the development status of the cold chain logistics industry,introduced the classification of phase change energy storage materials used in cold chain transportation and their advantages and disadvantages,and summarized the methods and principles of phase change energy storage materials performance regulation;at the same time,it introduced the applications of various new phase change energy storage agents in food transportation and vaccine transportation;finally,it pointed out that the preparation of phase change energy storage materials with high cold storage capacity and stable cycling performance and the expansion of their applications are the focus of future research.