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High-temperature BaTiO3-based ceramic capacitors by entropy engineering design

文献类型：期刊论文

作者Song, Yan1; Zhang, Min1; Lan, Shun1; Yang, Bingbing2; Liu, Yiqian1; Nan, Ce-Wen1; Lin, Yuan-Hua1
刊名JOURNAL OF ADVANCED CERAMICS
出版日期2024-09-01
卷号13
关键词BaTiO3-based ceramics high-entropy effects high-temperature energy storage cycling reliability
ISSN号2226-4108
DOI10.26599/JAC.2024.9220964
通讯作者Lin, Yuan-Hua(linyh@tsinghua.edu.cn)
英文摘要High-performance BaTiO3(BTO)-based dielectric ceramics have great potential for high-power energy storage devices. However, its poor temperature reliability and stability due to its low Curie temperature impedes the development of most electronic applications. Herein, a series of BTO-based ceramics are designed and prepared on the basis of entropy engineering. Owing to the incorporation of Bi(Mg0.5Ti0.5)O-3, relaxation behavior and low dielectric loss at high temperatures have been achieved. Moreover, the high-entropy strategy also promotes lattice distortion, grain refinement and excellent resistance, which together increase the breakdown field strength. These simultaneous effects result in outstanding energy storage performance, ultimately achieving stable energy density (U-e) of 5.76 Jcm(-3) and efficiency (eta) of 89%. Most importantly, the outstanding temperature stability makes high-entropy BTO-based ceramics realize a significant energy storage density of 4.90 +/-+/- 0.14 Jcm(-3) with the efficiency above 89%, spanning a wide temperature range of 25-250 degrees C, as well as cycling reliability with negligible performance deterioration after 3xx10(5) cycles at 300 kV center dot cm(-1) and 200 degrees C. This research presents an effective method for designing temperature-stable and reliable dielectrics with comprehensive energy storage performance.
WOS关键词ULTRAHIGH-ENERGY-STORAGE ; DIELECTRIC-PROPERTIES ; DENSITY
资助项目National Key R&D Program of China[2021YFB3800601] ; Basic Science Center Project of the National Natural Science Foundation of China[52388201] ; Postdoctoral Fellowship Program (Grade C) of China Postdoctoral Science Foundation[GZC20231202] ; China Postdoctoral Science Foundation[2024M751656]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:001331417000001
出版者TSINGHUA UNIV PRESS
资助机构National Key R&D Program of China ; Basic Science Center Project of the National Natural Science Foundation of China ; Postdoctoral Fellowship Program (Grade C) of China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/134612]  
专题中国科学院合肥物质科学研究院
通讯作者Lin, Yuan-Hua
作者单位1.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Song, Yan,Zhang, Min,Lan, Shun,et al. High-temperature BaTiO3-based ceramic capacitors by entropy engineering design[J]. JOURNAL OF ADVANCED CERAMICS,2024,13.
APA Song, Yan.,Zhang, Min.,Lan, Shun.,Yang, Bingbing.,Liu, Yiqian.,...&Lin, Yuan-Hua.(2024).High-temperature BaTiO3-based ceramic capacitors by entropy engineering design.JOURNAL OF ADVANCED CERAMICS,13.
MLA Song, Yan,et al."High-temperature BaTiO3-based ceramic capacitors by entropy engineering design".JOURNAL OF ADVANCED CERAMICS 13(2024).

入库方式： OAI收割

来源：合肥物质科学研究院

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