High-Energy-Density Ferroelectric Polymer Nanocomposites for Capacitive Energy Storage: Enhanced Breakdown Strength and Improved Discharge Efficiency

被引：342
作者：
Guo, Mengfan [1 ]
Jiang, Jianyong [1 ]
Shen, Zhonghui [1 ]
Lin, Yuanhua [1 ]
Nan, Ce-Wen [1 ]
Shen, Yang [1 ,2 ]
机构：
[1] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Ctr Flexible Elect Technol, Beijing 100084, Peoples R China
来源：
MATERIALS TODAY | 2019年 / 29卷
基金：
中国国家自然科学基金;
关键词：
HIGH DIELECTRIC-CONSTANT; LEAD-FREE CERAMICS; INTERFACIAL POLARIZATION; BIAXIAL ORIENTATION; RAFT POLYMERIZATION; HIGH-TEMPERATURE; COMPOSITE FILMS; PERFORMANCE; NANOFIBERS; BEHAVIOR;
D O I：
10.1016/j.mattod.2019.04.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Emerging dielectric composites consisting of polymer and ceramic nano-inclusions or several polymers facilitate the development of capacitive energy storage materials, as they can preserve high breakdown strength and exhibit enhanced dielectric constant. Ferroelectric poly(vinylidene fluoride) (PVDF) and its copolymers have been intensively studied as the matrices because of their high intrinsic dielectric constant and breakdown strength. Here, we review the recent advances on improving the energy density of PVDF-based composite dielectrics. It is concluded that, promotion of energy density is mainly established on enhanced breakdown strength and improved discharge efficiency. The microstructure design, material performance, and mechanism associated with these parameters are described. Perspectives for future development on PVDF-based nanocomposites and application of other potential polymer matrices are presented at last.
引用
收藏
页码：49 / 67
页数：19
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