Optimization of energy storage density in ANb2O6-NaNbO3-SiO2 (A = [(1-x)Pb, xSr]) nanostructured glass-ceramic dielectrics

被引：19

作者：

Han, D. F. ^{[1
]}

Zhang, Q. M. ^{[1
]}

Luo, J. ^{[1
]}

Tang, Q. ^{[1
]}

Du, J. ^{[1
]}

机构：

[1] Gen Res Inst Nonferrous Met, Adv Elect Mat Inst, Beijing 100088, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2012年 / 38卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Dielectric properties; Niobates; Glass-ceramics; Energy storage density; BARIUM STRONTIUM-TITANATE; CRYSTALLIZATION KINETICS; CAPACITORS; MICROSTRUCTURES;

D O I：

10.1016/j.ceramint.2012.04.087

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The substitution effect of Sr for Pb at A-site was studied for the purpose of energy storage density optimization in A Nb2O6-NaNbO3-SiO2 (A = [(1 - x)Pb, xSr]) glass-ceramic dielectrics. At the point of x=0.6, nanostructured glass-ceramics with the highest dielectric constant (similar to 600) and a relatively high breakdown strength (36.7 kV/mm) were acquired, resulting in the highest energy storage density of 2.27 J/cm(3), which is twice higher than those of the end-products (i.e., x=0 and x=1.0). (C) 2012 Published by Elsevier Ltd and Techna Group S.r.l.

引用

页码：6903 / 6906

页数：4

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