Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa0.5Nb0.5O3/polyimide nanocomposite films with high thermal stability

Gaoru Chen; Jiaqi Lin; Xuan Wang; Wenlong Yang; Dongping Li; Weimin Ding; Haidong Li; Qingquan Lei

doi:10.1007/s10854-017-7233-7

Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa_0.5Nb_0.5O₃/polyimide nanocomposite films with high thermal stability

Gaoru Chen
, Jiaqi Lin
, Xuan Wang
, Wenlong Yang
, Dongping Li
, Weimin Ding
, Haidong Li
, Qingquan Lei

School of Electrical Engineering

Harbin University of Science and Technology

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Most polymers used as energy storage have a low operating temperature that limits the broad applications of capacitors. In this paper, PI was used as the polymer matrix, which endowed the KTN/PI composite film with an ultrahigh thermal decomposition temperature (~550 °C). In the designed three-layer-structured KTN/PI composite films, pure PI is employed as a middle layer while KTN nanoparticles are introduced in two outer layers. It is found that the three-layer-structured KTN/PI composite film could achieve a higher energy density (3.0 J/cm³) than the single-layer-structured KTN/PI composite film (1.5 J/cm³) by modulating distribution of its local electric field. The three-layer structure has been proved to be quite effective in enhancing the composite films’ breakdown strength and increasing their energy density and discharge efficiency.

Original language	English
Pages (from-to)	13861-13868
Number of pages	8
Journal	Journal of Materials Science: Materials in Electronics
Volume	28
Issue number	18
DOIs	https://doi.org/10.1007/s10854-017-7233-7
State	Published - 1 Sep 2017

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10.1007/s10854-017-7233-7

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title = "Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa0.5Nb0.5O3/polyimide nanocomposite films with high thermal stability",

abstract = "Most polymers used as energy storage have a low operating temperature that limits the broad applications of capacitors. In this paper, PI was used as the polymer matrix, which endowed the KTN/PI composite film with an ultrahigh thermal decomposition temperature (\textasciitilde{}550 °C). In the designed three-layer-structured KTN/PI composite films, pure PI is employed as a middle layer while KTN nanoparticles are introduced in two outer layers. It is found that the three-layer-structured KTN/PI composite film could achieve a higher energy density (3.0 J/cm3) than the single-layer-structured KTN/PI composite film (1.5 J/cm3) by modulating distribution of its local electric field. The three-layer structure has been proved to be quite effective in enhancing the composite films{\textquoteright} breakdown strength and increasing their energy density and discharge efficiency.",

author = "Gaoru Chen and Jiaqi Lin and Xuan Wang and Wenlong Yang and Dongping Li and Weimin Ding and Haidong Li and Qingquan Lei",

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doi = "10.1007/s10854-017-7233-7",

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Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa_0.5Nb_0.5O₃/polyimide nanocomposite films with high thermal stability. / Chen, Gaoru; Lin, Jiaqi; Wang, Xuan et al.
In: Journal of Materials Science: Materials in Electronics, Vol. 28, No. 18, 01.09.2017, p. 13861-13868.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa0.5Nb0.5O3/polyimide nanocomposite films with high thermal stability

AU - Chen, Gaoru

AU - Lin, Jiaqi

AU - Wang, Xuan

AU - Yang, Wenlong

AU - Li, Dongping

AU - Ding, Weimin

AU - Li, Haidong

AU - Lei, Qingquan

PY - 2017/9/1

Y1 - 2017/9/1

N2 - Most polymers used as energy storage have a low operating temperature that limits the broad applications of capacitors. In this paper, PI was used as the polymer matrix, which endowed the KTN/PI composite film with an ultrahigh thermal decomposition temperature (~550 °C). In the designed three-layer-structured KTN/PI composite films, pure PI is employed as a middle layer while KTN nanoparticles are introduced in two outer layers. It is found that the three-layer-structured KTN/PI composite film could achieve a higher energy density (3.0 J/cm3) than the single-layer-structured KTN/PI composite film (1.5 J/cm3) by modulating distribution of its local electric field. The three-layer structure has been proved to be quite effective in enhancing the composite films’ breakdown strength and increasing their energy density and discharge efficiency.

AB - Most polymers used as energy storage have a low operating temperature that limits the broad applications of capacitors. In this paper, PI was used as the polymer matrix, which endowed the KTN/PI composite film with an ultrahigh thermal decomposition temperature (~550 °C). In the designed three-layer-structured KTN/PI composite films, pure PI is employed as a middle layer while KTN nanoparticles are introduced in two outer layers. It is found that the three-layer-structured KTN/PI composite film could achieve a higher energy density (3.0 J/cm3) than the single-layer-structured KTN/PI composite film (1.5 J/cm3) by modulating distribution of its local electric field. The three-layer structure has been proved to be quite effective in enhancing the composite films’ breakdown strength and increasing their energy density and discharge efficiency.

UR - https://www.scopus.com/pages/publications/85020116230

U2 - 10.1007/s10854-017-7233-7

DO - 10.1007/s10854-017-7233-7

M3 - 文章

AN - SCOPUS:85020116230

SN - 0957-4522

VL - 28

SP - 13861

EP - 13868

JO - Journal of Materials Science: Materials in Electronics

JF - Journal of Materials Science: Materials in Electronics

IS - 18

ER -

Three-layer structure design for enhancing the energy efficiency and breakdown strength of KTa_0.5Nb_0.5O₃/polyimide nanocomposite films with high thermal stability

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