Enhanced energy density and discharged efficiency of lead-free relaxor (1-x)[(Bi0.5Na0.5)0.94Ba0.06]0.98La0.02TiO3-xKNb0.6Ta0.4O3 ceramic capacitors

Hua Wang,Huan Yuan,Xiaoyan Li,Fangfang Zeng,Keying Wu,Qiaoji Zheng,Guifen Fan,Dunmin Lin

Chemical Engineering Journal（2020）

引用 105|浏览22

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摘要

•The BNTBTL-10KNT ceramic exhibits a high η of 92.9%.•An ultra-high Wrec of 2.1 J/cm3 is achieved in the BNTBTL-10KNT ceramic.•The KNT-doped BNT (x = 0.10) shows excellent thermal/frequency stability.•The present strategy of adjusting Ts is an effective approach.

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关键词

Bi0.5Na0.5TiO3,Ferroelectricity,Energy storage density,Energy storage efficiency,Phase structure

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