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Optimization the energy density and efficiency of BaTiO3-based ceramics for capacitor applications
Hu,Di1; Pan,Zhongbin1,2; Tan,Xiaoyan1; Yang,Fan1; Ding,Jie1; Zhang,Xiang1; Li,Peng3; Liu,Jinjun1; Zhai,Jiwei4; Pan,Hui4
2021-04-01
Source PublicationChemical Engineering Journal
ISSN1385-8947
Volume409
AbstractHigh-temperature lead-free dielectric ceramic capacitors are urgently needed in modern advanced power electronics systems. However, it is still a great challenge to realize both ultrahigh energy density (W) and efficiency (η) under the harsh environment. In this work, the innovative 0.9(SrBi)TiO-0.1Bi(MgZr)O (SBT-BMZ)-modified BaTiO (BT) relaxor ferroelectric ceramics are ingeniously designed and synthesized via a solid-state reaction route. Optimal energy storage performances are attained in 0.65BT-0.35(SBT-BMZ) ceramic with an excellent W of 4.03 J/cm, couple with an ultrahigh η of 96.2% at 370 kV/cm, which are superior to other lead-free BT-based ceramics. The energy storage performances of the 0.65BT-0.35(SBT-BMZ) ceramic also display superior thermal stability (20 ~ 180 °C) with a subtle change of W (±8%) and η (±1%), frequency stability (1 ~ 500 Hz) and cycle stability (1 ~ 10 cycles) at 200 kV/cm. Moreover, the charge and discharge experiments indicate that the outstanding power density (P ~ 62.6 MW/cm) and ultrafast discharge time (t ~ 62 ns) are also achieved. All these features demonstrate that the 0.65BT-0.35(SBT-BMZ) ceramic is expected to be widely used in next-generation of wide-temperature dielectric capacitors.
KeywordBaTiO3 Capacitor Ceramic Energy storage density Thermal stability
DOI10.1016/j.cej.2020.127375
URLView the original
Language英语
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorPan,Zhongbin
Affiliation1.School of Materials Science and Chemical Engineering,Ningbo University,Ningbo,315211,China
2.Institute of Applied Physics and Materials Engineering,University of Macau,Macau SAR,China
3.School of Materials Science and Engineering,Liaocheng University,Liaocheng,252059,China
4.School of Materials Science & Engineering,Tongji University,Shanghai,4800 Caoan Road,201804,China
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
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GB/T 7714
Hu,Di,Pan,Zhongbin,Tan,Xiaoyan,et al. Optimization the energy density and efficiency of BaTiO3-based ceramics for capacitor applications[J]. Chemical Engineering Journal,2021,409.
APA Hu,Di,Pan,Zhongbin,Tan,Xiaoyan,Yang,Fan,Ding,Jie,Zhang,Xiang,Li,Peng,Liu,Jinjun,Zhai,Jiwei,&Pan,Hui.(2021).Optimization the energy density and efficiency of BaTiO3-based ceramics for capacitor applications.Chemical Engineering Journal,409.
MLA Hu,Di,et al."Optimization the energy density and efficiency of BaTiO3-based ceramics for capacitor applications".Chemical Engineering Journal 409(2021).
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