Effect of Bi2O3 additive on dielectric properties of BaTiO3-based ceramics for improving energy density

被引：10

作者：

Wei, Meng ^{[1
]}

Zhang, Jihua ^{[1
]}

Wu, Kaituo ^{[1
]}

Chen, Hongwei ^{[1
]}

Yang, Chuanren ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Collaborat Innovat Ctr Elect Mat & Devices, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Sichuan, Peoples R China

来源：

ADVANCES IN APPLIED CERAMICS | 2017年 / 116卷 / 08期

关键词：

Co-doping; dielectric properties; energy density; nonlinearity; capacitors; BREAKDOWN STRENGTH; MICROSTRUCTURE; PERFORMANCE; DEPENDENCE; BEHAVIOR; RATIO;

D O I：

10.1080/17436753.2017.1352109

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：

In this paper, the effect of Bi2O3 additive on dielectric properties of BaTiO3-based ceramics was investigated for improving energy density. When x=0.05, the created defect dipoles in BT-BN system achieved a balance in the system with the minimum value of P-r. Because of the created dipole, the long-range dipolar interaction was interrupted and the weak couplings of the defect dipoles were formed. Energy storage density achieved the maximum values of 0.68Jcm(-3) with energy efficiency 91.5% in 0.95BaTiO(3)-Bi0.05Nb0.05O4. The nonlinearity was suppressed obviously with low P-r, which was good for in lead-free relaxor materials for the energy storage applications.

引用

页码：439 / 444

页数：6

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