Lead-free A2Bi4Ti5O18 thin film capacitors (A = Ba and Sr) with large energy storage density, high efficiency, and excellent thermal stability

2019 ◽  
Vol 7 (7) ◽  
pp. 1888-1895 ◽  
Author(s):  
Bingbing Yang ◽  
Mengyao Guo ◽  
Xianwu Tang ◽  
Renhuai Wei ◽  
Ling Hu ◽  
...  

The energy storage performance of Ba2Bi4Ti5O18 thin film (left) and the atomic schematic structure of A2Bi4Ti5O18 (right).

2019 ◽  
Vol 115 (24) ◽  
pp. 243901 ◽  
Author(s):  
B. B. Yang ◽  
M. Y. Guo ◽  
C. H. Li ◽  
D. P. Song ◽  
X. W. Tang ◽  
...  

2017 ◽  
Vol 5 (12) ◽  
pp. 5920-5926 ◽  
Author(s):  
Hao Pan ◽  
Yi Zeng ◽  
Yang Shen ◽  
Yuan-Hua Lin ◽  
Jing Ma ◽  
...  

We report ultrahigh energy storage density of 51 J cm−3 and good fatigue & thermal stability of BiFeO3-based lead-free dielectric films.


2020 ◽  
Vol 8 (4) ◽  
pp. 1366-1373 ◽  
Author(s):  
Yunlong Sun ◽  
Le Zhang ◽  
Haoyu Wang ◽  
Mengyao Guo ◽  
Xiaojie Lou ◽  
...  

Composition-tunable electrocaloric effect and large energy storage density with excellent thermal stability arising from synergistic effects of polar nano-regions and conformed defect dipoles were discovered in (Ba1−xSrx)Zr0.1Ti0.9O3 thin films.


2018 ◽  
Vol 6 (26) ◽  
pp. 12291-12297 ◽  
Author(s):  
Zhongshuai Liang ◽  
Ming Liu ◽  
Chunrui Ma ◽  
Lvkang Shen ◽  
Lu Lu ◽  
...  

High performance Pb-free Ba(Zr0.35Ti0.65)O3 film capacitors exhibit outstanding energy storage properties over a wide temperature range from −100 °C to 200 °C, demonstrating a great foreground for utilization in equipment working in harsh environments.


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