Large energy storage density in BiFeO3-BaTiO3-AgNbO3 lead-free relaxor ceramics

被引：155
作者：
Sun, Haonan [1 ,2 ]
Wang, Xiangjian [3 ]
Sun, Qinzao [4 ]
Zhang, Xiaoxiao [5 ]
Ma, Zhuang [1 ,2 ]
Guo, Mengyao [1 ,2 ]
Sun, Buwei [1 ,2 ]
Zhu, Xiaopei [1 ,2 ]
Liu, Qida [6 ]
Lou, Xiaojie [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
[3] Lulea Univ Technol, Appl Phys, SE-97187 Lulea, Sweden
[4] Xi An Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
[5] Xi An Jiao Tong Univ, Sch Sci, Frontier Inst Sci & Technol,State Key Lab Mech Be, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Shaanxi, Peoples R China
[6] Xi An Jiao Tong Univ, State Key Lab Strength & Vibrat Mech Struct, Xian 710049, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2020年 / 40卷 / 08期
关键词：
Energy storage; Bismuth ferrite; Lead-free ceramics; Relaxor; Ferroelectrics; Thermal stability; FERROELECTRIC CERAMICS; THIN-FILMS; PIEZOELECTRIC PROPERTIES; MICROSTRUCTURE; CAPACITORS; TITANATE; CUO; MULTILAYERS; EFFICIENCY; CONSTANT;
D O I：
10.1016/j.jeurceramsoc.2020.03.012
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：
Lead-free (0.70-x)BiFeO3-BaTiO3-AgNbO3 + 5 parts per thousand mol CuO (abbreviated as BF-BT-xAN) ceramics were fabricated using a modified thermal quenching technique. BF-BT-xAN ceramics are of a perovskite structure with morphotropic phase boundary (MPB) and show strong relaxor properties. Remarkably, the high recoverable energy storage density of 2.11 J/cm(3) is obtained for BF-BT-xAN with x = 0.14. For the x = 0.14 ceramics, its energy storage efficiency is as high as 84 % at relative low field of 195 kV/cm, together with an outstanding thermal stability in a broad temperature range from 25 degrees C to 150 degrees C. In addition, this ceramic maintains superior energy storage performance even after 8 x 10(4) electrical cycles due to its high densification after doping Ag2O and Nb2O5. The result suggests that lead-free BF-BT-xAN ceramics may be promising candidate for dielectric energy storage application.
引用
收藏
页码：2929 / 2935
页数：7
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