电卡制冷技术:器件发展现状与高熵铁电材料前瞻  

Electrocaloric Cooling Technology:Current Device Developments and Prospects of High-Entropy Ferroelectric Materials

作　　者：杨世豪 钱小石 Yang Shihao;Qian Xiaoshi(School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai,200240,China;School of Interdisciplinary Research Center,Shanghai Jiao Tong University,Shanghai,200240,China)

机构地区：[1]上海交通大学机械与动力工程学院,上海200240 [2]上海交通大学前瞻交叉研究中心,上海200240

出　　处：《制冷学报》2024年第6期14-22,56,共10页Journal of Refrigeration

基　　金：国家重点研发计划(2020YFA0711500);国家自然科学基金(52076127)资助项目。

摘　　要：电卡制冷技术是一种基于电场调控的固态制冷技术,该技术利用电卡材料在电场作用下产生的温度变化来实现制冷效果。该技术因无直接碳排放、高效率等优点,在全球变暖和碳减排目标的背景下,受到广泛关注。自2006年巨电卡效应发现以来,电卡制冷技术经历了快速发展,尤其是在电卡材料和器件的改进方面取得了显著进展。从电卡制冷器件研究、电卡聚合物纳米复合材料和电卡材料高熵优化方面展开分析与讨论。介绍了电卡效应的基本原理和当前主动回热式电卡制冷器件的研究进展,总结了电卡聚合物纳米复合材料的研究进展以及高熵优化策略和界面极化增强策略,展望了电卡制冷技术在工质和系统领域的未来研究方向。Electrocaloric cooling is a solid-state cooling technique based on the manipulation of electric fields.This technology utilizes the temperature variations induced in electrocaloric materials under the influence of an electric field to achieve refrigeration effects.Owing to its advantages,such as zero direct carbon emissions and high efficiency,it has garnered widespread attention,particularly in the context of global warming and carbon reduction objectives.Since the discovery of the giant electrocaloric effect in 2006,electrocaloric cooling technology has undergone rapid development,particularly in improvements in electrocaloric materials and devices.This article provides an analysis and discussion focused on electrocaloric cooling device research,electrocaloric polymer nanocomposite materials,and high-entropy optimization of electrocaloric materials.It commences by introducing the fundamental principles of the electrocaloric effect and current advancements in active regenerative electrocaloriccooling devices.Subsequently,it summarizes the progress in electrocaloric polymer nanocomposite materials,along with strategies for high-entropy optimization and interface polarization enhancement.Finally,it provides insights into future research directions for electrocaloric cooling within the fields of working substances and systems.

关 键 词：电卡制冷技术 复合材料 柔性制冷器件 热力学循环 零碳制冷与热泵 

分 类 号：TB611[一般工业技术—制冷工程] TB64TB332