Achieving ultrahigh energy storage performance of PBLZST-based antiferroelectric composite ceramics via interfacial polarization engineering

被引：7
作者：
Hu, Jun [1 ,2 ]
Wang, Wei [1 ,2 ]
Yang, Ying [1 ,2 ]
Qiu, Shiyong [1 ,2 ]
Zhang, Guangzu [1 ,2 ]
Xu, Jianping [3 ]
Lu, Shiru [3 ]
Li, Kanghua [1 ,2 ]
Jiang, Shenglin [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Engn Res Ctr Funct Ceram MOE, Sch Integrated Circuits, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] FBK Guangdong Fenghua Bangke Elect Co Ltd, Shenzhen, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2024年 / 44卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Antiferroelectric ceramics; Composite ceramics; Interfacial polarization; Energy storage; HIGH ELECTRIC ENERGY; BREAKDOWN STRENGTH; DENSITY; EFFICIENCY; BEHAVIOR; POLYMER;
D O I：
10.1016/j.jeurceramsoc.2024.05.024
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：
Antiferroelectric (AFE) ceramics can be used in pulse power devices for high power density and fast discharge. Composites are recognized as an effective strategy to combine the benefits of different materials but suffer from interfacial mismatch and interfacial polarization. In this work, a combination of high-breakdown Pb0.94La0.04(Zr0.99-xSnxTi0.01)O3 (PLZST) with high-efficiency Pb0.8925Ba0.04La0.045(Zr0.65Sn0.3Ti0.05)O3 (PBLZST) is explored to enhance energy storage performance. Via adjusting Sn content in PLZST, the difference in lattice and dielectric properties between two phases are reduced, decreasing interfacial polarization. The breakdown strength of PBLZST-PLZST is boosted from 285 kV cm-1 to 345 kV cm-1, with maximum polarization strength decreasing from 44 mu C cm-2 to 36 mu C cm-2. An recoverable energy density (Wre - 7.152 J cm-3) and discharged efficiency (eta - 90.5%) has been achieved in Pb0.8925Ba0.04La0.045(Zr0.65Sn0.3Ti0.05)O3Pb0.94La0.04(Zr0.69Sn0.3Ti0.01)O3 (x = 0.3) composite ceramics. These findings highlight the potential of interfacial polarization engineering for developing composite ceramics with high-energy storage performance.
引用
收藏
页码：7642 / 7650
页数：9
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