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Author:

于肖乐 (于肖乐.) | 侯育冬 (侯育冬.) (Scholars:侯育冬) | 郑木鹏 (郑木鹏.) | 朱满康 (朱满康.)

Abstract:

采用铌铁矿前驱体两步法制备了Pb(Zn_(1/3)Nb_(2/3))_(0.2)(Hf_(1-x)Ti_x)_(0.8)O_3(PZNH_(1-x)T_x)钙钛矿压电陶瓷,研究了铪钛比对陶瓷相结构、电学性能和能量收集特性的影响。结果表明,当x=0.52时,陶瓷样品位于准同型相界,具有最优综合压电性能:居里温度T_C=287℃,品质因数FOM≈14 753×10~(-15) m~2/N,压电电荷常数d_(33)=492 pC/N。由该组成材料构建的悬臂梁型压电能量收集器输出功率密度高达4.16μW/mm~3,所转化的电能可成功点亮138盏并联的LED灯。结果表明,PZNHT陶瓷在压电能量收集领域...

Keyword:

弛豫铁电体 准同型相界 压电能量收集 钙钛矿陶瓷 压电性

Author Community:

  • [ 1 ] 北京工业大学材料与制造学部

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Source :

压电与声光

Year: 2022

Issue: 04

Volume: 44

Page: 600-604,609

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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