期刊
JOURNAL OF MATERIALS SCIENCE
卷 58, 期 1, 页码 124-143出版社
SPRINGER
DOI: 10.1007/s10853-022-07984-1
关键词
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This paper reviews the important aspects and recent progress of poly (vinylidene fluoride)-based composites with lead-free ferroelectric ceramics for high energy density capacitors. It discusses the comprehensive effects of filler shape, core-shell structure, layered structure, and interface effect on the dielectric properties, breakdown strength, and energy density of the composites.
The introduction of lead-free ferroelectric ceramic materials into polymer matrix to form polymer composite materials and the construction of multilayer structure are two new and promising methods to prepare dielectric materials for energy storage. Poly (vinylidene fluoride) as ferroelectric polymers are particularly attractive because of their high permittivity among known polymers. This paper reviews the important aspects and recent progress of poly (vinylidene fluoride)-based composites with lead-free ferroelectric ceramics for high energy density capacitors. The comprehensive effects of filler shape, core-shell structure, layered structure and interface effect on dielectric properties, breakdown strength and energy density of composites with filled-type and layer-type were reviewed. Also we summarize the existing problems in poly (vinylidene fluoride) and lead-free ferroelectric ceramic composite films, and raise the direction of future research in this topic.
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