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Zr摻雜改性(Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3無鉛鐵電陶瓷的儲能行為研究
作者:
作者單位:

1.北京科技大學生態(tài)與冶金學院;2.內(nèi)蒙古科技大學

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中圖分類號:

TM282

基金項目:

內(nèi)蒙古自治區(qū)重大專項（2019ZD12）


Investigation on Energy Storage Properties of Zr Doping Modified (Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3 Lead-Free Ferroelectric Ceramics
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Affiliation:

1.School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing;2.Inner Mongolia University of Science and Technology

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    摘要:

    通過固相燒結法微量摻雜Zr到(Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3無鉛鐵電陶瓷，對其相結構、微觀形貌、儲能行為及介電行為進行了研究。所有的樣品都形成了單一的鈣鈦礦相，晶粒細小均勻。Zr的摻雜有效地提高了擊穿場強，摻雜量為0.03 mol時陶瓷在場強138 kV/cm下最大有效儲能密度達到1.38 J/cm3，儲能效率達到52.44%，同時顯示了穩(wěn)定的高溫鐵電特性，并獲得了較大的介電常數(shù)1150且保持穩(wěn)定。

    Abstract:

    ZrO2-doped (Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3 lead-free ferroelectric ceramics were synthesized by solid-phase sintering method. The influence of Zr substitution on the phase structure, microstructure, energy storage behavior and dielectric behavior of (Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3 were systematically investigated. All samples formed a single perovskite phase with fine and uniform crystal grains. The doping of Zr effectively increased the breakdown field strength. When the doping amount is 0.03 mol, the maximum effective energy storage density of the ceramic reaches 1.38 J/cm3 at a field strength of 138 kV/cm, and the energy storage efficiency reaches 52.44%. At the same time, it exhibits stable high-temperature ferroelectric characteristics. A large dielectric constant of 1150 is obtained and remains stable.

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李曉偉,安勝利,李雍,韓沛. Zr摻雜改性(Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3無鉛鐵電陶瓷的儲能行為研究[J].稀有金屬材料與工程,2022,51(2):511~515.[Li Xiaowei, An Shengli, Li Yong, Han Pei. Investigation on Energy Storage Properties of Zr Doping Modified (Bi0.5Na0.5)0.91Pr0.02Ba0.07TiO3 Lead-Free Ferroelectric Ceramics[J]. Rare Metal Materials and Engineering,2022,51(2):511~515.]
DOI：10.12442/j. issn.1002-185X.20210618

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  • 收稿日期:2021-07-13
  • 最后修改日期:2021-09-30
  • 錄用日期:2021-10-27
  • 在線發(fā)布日期: 2022-03-09
  • 出版日期: 2022-02-28