Polymer dielectrics for high-temperature energy storage: Constructing carrier traps

IF 33.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Progress in Materials Science Pub Date : 2023-10-21 DOI:10.1016/j.pmatsci.2023.101208

Jun-Wei Zha , Mengyu Xiao , Baoquan Wan , Xinmo Wang , Zhi-Min Dang , George Chen

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引用次数: 1

Abstract

Film capacitors are essential components used for electrical energy storage in advanced high-power electrical and electronic systems. High temperature environments place exacting demands on the polymer dielectrics of film capacitors. The nonlinear increase in conduction of polymer dielectrics at elevated temperatures leads to deterioration of the energy storage characteristics. Effectively suppressing conduction is therefore the fundamental challenge. Carrier traps are effective in suppressing conduction and have a variety of designs that can be combined with special structures, making them widely available for high temperature energy storage. Herein, we present a critical overview of recent research advances and important insights in understanding the carrier traps in polymer dielectrics. First, the basic theory of carrier traps is systematically summarized. The strategies for constructing carrier traps are then described from three perspectives: intrinsic structures, inorganic/polymer composites, and all-organic composites. Finally, the key points of carrier traps in dielectric energy storage are summed up and the future development trends are prospected.

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用于高温储能的聚合物电介质:构建载流子陷阱

薄膜电容器是先进的大功率电气和电子系统中用于电能存储的重要元件。高温环境对薄膜电容器的聚合物电介质提出了严格的要求。高温下聚合物电介质导电性的非线性增加导致储能特性的恶化。因此，有效抑制传导是最根本的挑战。载流子陷阱在抑制传导方面是有效的，并且具有多种设计，可以与特殊结构相结合，使它们广泛用于高温储能。在此，我们对最近的研究进展和理解聚合物介电介质中的载流子陷阱的重要见解进行了综述。首先，系统总结了载流子陷阱的基本理论。然后从三个角度描述了构建载流子陷阱的策略:内在结构，无机/聚合物复合材料和全有机复合材料。最后，总结了介电储能中载流子陷阱的研究要点，并对其未来的发展趋势进行了展望。

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来源期刊

Progress in Materials Science 工程技术-材料科学：综合

CiteScore

59.60

自引率

0.80%

发文量

101

审稿时长

11.4 months

期刊介绍： Progress in Materials Science is a journal that publishes authoritative and critical reviews of recent advances in the science of materials. The focus of the journal is on the fundamental aspects of materials science, particularly those concerning microstructure and nanostructure and their relationship to properties. Emphasis is also placed on the thermodynamics, kinetics, mechanisms, and modeling of processes within materials, as well as the understanding of material properties in engineering and other applications. The journal welcomes reviews from authors who are active leaders in the field of materials science and have a strong scientific track record. Materials of interest include metallic, ceramic, polymeric, biological, medical, and composite materials in all forms. Manuscripts submitted to Progress in Materials Science are generally longer than those found in other research journals. While the focus is on invited reviews, interested authors may submit a proposal for consideration. Non-invited manuscripts are required to be preceded by the submission of a proposal. Authors publishing in Progress in Materials Science have the option to publish their research via subscription or open access. Open access publication requires the author or research funder to meet a publication fee (APC). Abstracting and indexing services for Progress in Materials Science include Current Contents, Science Citation Index Expanded, Materials Science Citation Index, Chemical Abstracts, Engineering Index, INSPEC, and Scopus.