电场极化效应对储能的影响

IF 1.3 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Ferroelectrics Letters Section Pub Date : 2019-06-28 DOI:10.1080/07315171.2019.1647718

S. Qu, Ganlin Chen, W. Cao, R. K. Pan, Y. Qi, Lei Zhang, Xunzhong Shang

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引用次数: 2

摘要

摘要基于Devonshire理论，研究了电致极化效应、电介质效应、磁滞回线效应和储能效应。数值模拟结果表明，软铁电体具有较小的E敏感极化、介电峰随E的增大而突然减小、接近Tc时磁滞回线呈倾斜细长且中心狭窄的特性、以及远小于Tc的对称储能峰随E的增大而趋于高温等特性，可以作为高储能材料的候选材料。e致极化效应与铁电体的热力学参数有关。在高e下，储能峰值向高温偏移。诱导极化越大，储能越大。

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Influence of polarization effect by electric field on energy storage

Abstract Based on the Devonshire theory, the E-induced effects of polarization, dielectrics, hysteresis loop, and energy storage are investigated. Numerical simulations confirm that the ferroelectrics with soft ferroelectricity with properties of small and E-sensitive polarization, abrupt decrease of dielectric peak with increasing E, sloped and slender hysteresis loop with central narrow when approaching Tc, and symmetry energy storage peak, much less than Tc, towards high temperature with increasing E, can be the candidate of high energy storage materials. HIGHLIGHTS E-induced polarization effect is related with thermodynamic parameters of ferroelectrics. Peak of energy storage shifts to high temperature under high-E. Larger induced polarization is corresponding to higher energy storage.

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来源期刊

Ferroelectrics Letters Section 物理-物理：凝聚态物理

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

4.8 months

期刊介绍： Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.