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作者:

Zhao, Haiyan (Zhao, Haiyan.) | Hou, Yudong (Hou, Yudong.) (学者:侯育冬) | Yu, Xiaole (Yu, Xiaole.) | Fu, Jing (Fu, Jing.) | Zheng, Mupeng (Zheng, Mupeng.) | Zhu, Mankang (Zhu, Mankang.)

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摘要:

One of the key challenges in the development of high-temperature energy harvesting (HTEH) technology is to clarify the relationship between temperature-dependent material parameters and device power generation capabilities. However, at present, the research on temperature stability of piezoceramics mainly relies on thermal annealing technology, which cannot follow the actual temperature dependence of the piezoelectricity, and it is even more difficult to predict the temperature stability of HTEH. To shed light on this field, here, (1-x)BiScO3-xPbTiO(3) system was chosen for building HTEH material, and the temperature-dependent electrical parameters, such as d(33), epsilon(r), and g(33), have been measured by multiple in situ techniques. It was found that the synergistic effect of d(33) and epsilon(r) with temperature helps to obtain a stable g(33) value in a wide temperature range. Moreover, in the mode of the cantilever-type energy harvester, a stable output voltage was obtained at x=0.64 harvester with <20% change over a broad temperature range of 100-250 degrees C, and it was verified that the temperature stability of g(33) is crucial to the operation stability of HTEH devices.

关键词:

in situ techniques properties thermal properties piezoelectric materials energy harvesting

作者机构:

  • [ 1 ] [Zhao, Haiyan]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China
  • [ 2 ] [Hou, Yudong]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China
  • [ 3 ] [Yu, Xiaole]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China
  • [ 4 ] [Fu, Jing]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China
  • [ 5 ] [Zheng, Mupeng]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China
  • [ 6 ] [Zhu, Mankang]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China

通讯作者信息:

  • 侯育冬

    [Hou, Yudong]Beijing Univ Technol, Educ Minist China, Key Lab Adv Funct Mat, Coll Mat Sci & Engn, Beijing, Peoples R China

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来源 :

JOURNAL OF THE AMERICAN CERAMIC SOCIETY

ISSN: 0002-7820

年份: 2019

期: 9

卷: 102

页码: 5316-5327

3 . 9 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:211

JCR分区:1

被引次数:

WoS核心集被引频次: 32

SCOPUS被引频次: 30

ESI高被引论文在榜: 0 展开所有

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