Enhanced Energy Storage Properties of Bi0.5Na0.5TiO3-Based Ceramics via Introducing Na0.95Ca0.04Li0.01Nb0.96Zr0.04O3

被引：1
|
作者：
Qiang, Hua [1 ]
Deng, Lingyun [1 ]
Xu, Zunping [2 ]
机构：
[1] Chongqing Coll Humanities Sci & Technol, Sch Mechatron & Informat Engn, Chongqing 401524, Peoples R China
[2] Southwest Univ, Sch Mat & Energy, Chongqing 400715, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2024年 / 221卷 / 18期
关键词：
Bi(0.5)Na0.5TiO3; ceramic capacitors; energy storages; lead-free perovskites; HIGH-EFFICIENCY; PHASE-STABILITY; DENSITY; TEMPERATURE; PERFORMANCE; HYSTERESIS; LA;
D O I：
10.1002/pssa.202400430
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead-free ceramic capacitors with high energy storage density are desired. Herein, the novel (1-x)(0.9Bi(0.5)Na(0.5)TiO(3)-0.1SrTi(0.85)Zr(0.15)O(3))-xNa(0.95)Ca(0.04)Li(0.01)Nb(0.96)Zr(0.04)O(3) [(1-x)(BNT-STZ)-xCZNNL, x = 0.1, 0.2, 0.3, 0.4 and 0.5] ceramics are prepared via citrate combustion technology and two-step sintering method. The dense microstructures are observed and slim hysteresis loops are realized as addition of CZNNL. The enhanced recoverable energy storage density (W-re of 2.52 J cm(-3)) with high efficiency (eta of 80%) is obtained in 0.6(BNT-STZ)-0.4CZNNL ceramic under a moderate electric field of 200 kV cm(-1). Moreover, excellent thermal stability (W-re varies <1% and eta varies <3.5%) at 20 to 100 degrees C) and excellent fatigue resistance are achieved for 0.6(BNT-STZ)-0.4CZNNL ceramic.
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页数：6
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