0.90(0.88NaNbO3-0.12Bi(Ni0.5Zr0.5)O3)-0.10CaTiO3 Lead-Free Dielectric Ceramics with High Energy Storage Properties

被引：22
作者：
Xu, Mingzhao [1 ]
Wang, Xiang [1 ]
Nong, Peng [1 ]
Zeng, Dafu [1 ]
Dong, Qingpeng [1 ]
Pan, Yue [1 ]
Wang, Jiaming [1 ]
Zhou, Huanfu [1 ]
Chen, Xiuli [1 ]
机构：
[1] Guilin Univ Technol, Sch Mat Sci & Engn, Key Lab Nonferrous Mat & New Proc Technol, Minist Educ, Guilin 541004, Peoples R China
来源：
ACS APPLIED ENERGY MATERIALS | 2023年 / 6卷 / 03期
关键词：
NaNbO3; energy storage density; relaxor ferroelectrics; linear material; electrical properties; DENSITY; PERFORMANCE;
D O I：
10.1021/acsaem.2c03520
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Sodium niobate energy storage ceramics are widely concerned by many researchers due to their characteristics of antiferroelectricity, high polarization strength, relative breakdown resistance, light weight, and wide operating temperature range. In the present work, CaTiO3 was added to NN-BNZ to form a solid solution, which optimizes the energy storage performances of ceramics. By introducing a linear energy storage material CaTiO3, the energy storage characteristics of NN-BNZ ceramics were significantly improved. Especially, 0.90(0.88NN-0.12BNZ)-0.10CT ceramics exhibited a large Wrec (5.1 J/cm3) and higher eta (83%). Moreover, the ceramics also present ultrafast t0.9 (35 ns) in the temperature range of 30-100 degrees C). The above results indicate that the 0.90(0.88NN-0.12BNZ)-0.10CT ceramics has the prospect of being a high-performance energy storage capacitor.
引用
收藏
页码：1630 / 1638
页数：9
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