SrTiO3-modified Bi0.5Na0.47Li0.03Ti0.99Sn0.01O3 relaxor ferroelectric ceramics with high energy storage performance

被引：6
|
作者：
Lu, Ying [1 ]
Li, Peng [1 ]
Du, Juan [1 ]
Hu, Chengchao [1 ]
Hao, Jigong [1 ,4 ]
Zhao, Kunyu [2 ,3 ]
Zeng, Huarong [2 ,3 ,5 ]
Li, Wei [1 ,4 ]
机构：
[1] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Funct Mat & Devices, Shanghai, Peoples R China
[3] Univ Chinese Acad Sci, Mat & Optoelect Res Ctr, Beijing, Peoples R China
[4] Liaocheng Univ, Coll Mat Sci & Engn, Liaocheng 252059, Peoples R China
[5] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Funct Mat & Devices, Shanghai 200050, Peoples R China
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2023年 / 20卷 / 04期
基金：
中国国家自然科学基金;
关键词：
BNT-based ceramics; energy storage; phase structure; temperature stability; LOW ELECTRIC-FIELDS; THERMAL-STABILITY; DENSITY; EFFICIENCY; TEMPERATURE; OPTIMIZATION; COMPOSITES;
D O I：
10.1111/ijac.14360
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：
(1 - x)Bi0.5Na0.47Li0.03Ti0.99Sn0.01O3-xSrTiO(3) (BNLST-xST) lead-free ceramics were synthesized by traditional solid phase sintering. When x = 0.4, the ceramic achieves a high energy storage density W-rec of 3.78 J/cm(3) as well as a superior efficiency eta of 90.3% under 360 kV/cm. The charge-discharge curves related to temperature and cycle show that the 0.6BNLST-0.4ST sample has good temperature stability (20-180 degrees C) and cycling reliability (variation of W-D < 5%). Moreover, a fast discharge rate (t(0.9) = 0.219 mu s) and a large discharge energy density (W-D = 1.89 J/cm(3)) are achieved at 220 kV/cm. The results show that BNLST-xST energy storage ceramics are promising materials for devices with pulsed power capacitor.
引用
收藏
页码：2350 / 2359
页数：10
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