金属化薄膜电容器介电薄膜材料的研究现状  

Research status of dielectric film materials for metallized film capacitors

作　　者：张天栋 马海鑫 刘刚 姚成 孙海[1] 殷超 张昌海 迟庆国[1] ZHANG Tiandong;MA Haixin;LIU Gang;YAO Cheng;SUN Hai;YIN Chao;ZHANG Changhai;CHI Qingguo(Key Laboratory of Engineering Dielectrics and Its Application,Ministry of Education,Harbin University of Science and Technology,Harbin 150080,China;Southern Power Grid Research Institute Co.,Ltd.,Guangzhou 510663,China;National Engineering Research Center of UHV Technology and Novel Electrical Equipment Basis,Kunming 651705,China)

机构地区：[1]哈尔滨理工大学工程电介质及其应用教育部重点实验室,黑龙江哈尔滨150080 [2]南方电网科学研究院有限责任公司,广东广州510663 [3]特高压电力技术与新型电工装备基础国家工程研究中心,云南昆明651705

出　　处：《绝缘材料》2024年第11期18-33,共16页Insulating Materials

基　　金：特高压电力技术与新型电工装备基础国家工程研究中心开放基金资助项目(NERCUHV-2023-KF-02)。

摘　　要：近年来,随着新能源汽车和柔性直流输电工程等领域的迅速发展,对高容积比、耐高温金属化薄膜电容器的需求日益增加,尤其对高温高电场等极端条件下电容器中介电薄膜的电气性能提出了更高要求。本文总结了近年来金属化薄膜电容器介电薄膜材料的研究现状和发展趋势。首先,介绍影响介质薄膜储能性能的关键因素,并分析金属化薄膜电容器在运行工况下的失效原因;其次,归纳基于分子链结构、聚集态结构、功能填料掺杂和表面改性等4个方面设计的介电薄膜储能性能改性方法;最后,对提升金属化薄膜电容器介电薄膜的储能性能的策略进行总结并做出展望。In recent years,with the rapid development of new energy vehicles and flexible direct current transmission projects,and other fields,there was an increasing demand for the metallized film capacitors with high volume ratio and high temperature resistance.Especially under extreme conditions such as high temperature and high electric field,higher requirements were put forward for the electrical performance of dielectric films in capacitors.In this paper,the current research status and development trend of dielectric film materials for metallized film capacitors in recent years were summarized.Firstly,the key factors affecting the energy storage performance of dielectric films were introduced and the failure reasons of metallized film capacitors under operating conditions were analyzed.Secondly,the modification methods of energy storage performance for dielectric films designed on the basis of four aspects,such as molecular chain structure,aggregation state structure,doping of functional fillers,and surface modification were summarized.Finally,the strategies to improve the energy storage performance of dielectric films of metallized film capacitors were summarized and prospected.

关 键 词：金属化薄膜电容器 薄膜材料 储能性能 

分 类 号：TM215[一般工业技术—材料科学与工程]