Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density

Ge Wang; Zhilun Lu; Huijing Yang; Hongfen Ji; Ali Mostaed; Linhao Li; Yiqi Wei; Antonio Feteira; Shikuan Sun; Derek C. Sinclair; Dawei Wang; Ian M. Reaney

doi:10.1039/d0ta00216j

Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density

Ge Wang
, Zhilun Lu
, Huijing Yang
, Hongfen Ji
, Ali Mostaed
, Linhao Li
, Yiqi Wei
, Antonio Feteira
, Shikuan Sun
, Derek C. Sinclair
, Dawei Wang^*
, Ian M. Reaney

^*Corresponding author for this work

University of Sheffield
Henry Royce Institute
Tangshan Normal University
Xi'an Technological University
University of Oxford
Sheffield Hallam University

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

166 Scopus citations

Abstract

The critical role of electrical homogeneity in optimising electric-field breakdown strength (BDS) and energy storage in high energy density (0.7 −x)BiFeO₃-0.3BaTiO₃-xBi(Li_0.5Nb_0.5)O₃(BF-BT-xBLN) lead-free capacitors is demonstrated. The high BDS for bulk ceramics and multilayers (dielectric layer thickness ∼ 8 μm) of ∼260 and ∼950 kV cm⁻¹, respectively, gives rise to record-performance of recoverable energy density,W_rec= 13.8 J cm⁻³and efficiency,η= 81%. Under an electric field of 400 kV cm⁻¹, multilayers are temperature stable up to 100 °C, frequency independent in the range 10⁻²to 10²Hz, have low strain (<0.03%) and are fatigue-resistant up to 10⁴cycles (W_recvariation < 10%). These properties show promise for practical use in pulsed power systems.

Original language	English
Pages (from-to)	11414-11423
Number of pages	10
Journal	Journal of Materials Chemistry A
Volume	8
Issue number	22
DOIs	https://doi.org/10.1039/d0ta00216j
State	Published - 14 Jun 2020
Externally published	Yes

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10.1039/d0ta00216j

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@article{4f0ede5fca2741a8abc5e1c1174e11fd,

title = "Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density",

abstract = "The critical role of electrical homogeneity in optimising electric-field breakdown strength (BDS) and energy storage in high energy density (0.7 −x)BiFeO3-0.3BaTiO3-xBi(Li0.5Nb0.5)O3(BF-BT-xBLN) lead-free capacitors is demonstrated. The high BDS for bulk ceramics and multilayers (dielectric layer thickness ∼ 8 μm) of ∼260 and ∼950 kV cm−1, respectively, gives rise to record-performance of recoverable energy density,Wrec= 13.8 J cm−3and efficiency,η= 81\%. Under an electric field of 400 kV cm−1, multilayers are temperature stable up to 100 °C, frequency independent in the range 10−2to 102Hz, have low strain (<0.03\%) and are fatigue-resistant up to 104cycles (Wrecvariation < 10\%). These properties show promise for practical use in pulsed power systems.",

author = "Ge Wang and Zhilun Lu and Huijing Yang and Hongfen Ji and Ali Mostaed and Linhao Li and Yiqi Wei and Antonio Feteira and Shikuan Sun and Sinclair, \{Derek C.\} and Dawei Wang and Reaney, \{Ian M.\}",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2020.",

year = "2020",

month = jun,

day = "14",

doi = "10.1039/d0ta00216j",

language = "英语",

volume = "8",

pages = "11414--11423",

journal = "Journal of Materials Chemistry A",

issn = "2050-7488",

publisher = "Royal Society of Chemistry",

number = "22",

}

TY - JOUR

T1 - Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density

AU - Wang, Ge

AU - Lu, Zhilun

AU - Yang, Huijing

AU - Ji, Hongfen

AU - Mostaed, Ali

AU - Li, Linhao

AU - Wei, Yiqi

AU - Feteira, Antonio

AU - Sun, Shikuan

AU - Sinclair, Derek C.

AU - Wang, Dawei

AU - Reaney, Ian M.

PY - 2020/6/14

Y1 - 2020/6/14

N2 - The critical role of electrical homogeneity in optimising electric-field breakdown strength (BDS) and energy storage in high energy density (0.7 −x)BiFeO3-0.3BaTiO3-xBi(Li0.5Nb0.5)O3(BF-BT-xBLN) lead-free capacitors is demonstrated. The high BDS for bulk ceramics and multilayers (dielectric layer thickness ∼ 8 μm) of ∼260 and ∼950 kV cm−1, respectively, gives rise to record-performance of recoverable energy density,Wrec= 13.8 J cm−3and efficiency,η= 81%. Under an electric field of 400 kV cm−1, multilayers are temperature stable up to 100 °C, frequency independent in the range 10−2to 102Hz, have low strain (<0.03%) and are fatigue-resistant up to 104cycles (Wrecvariation < 10%). These properties show promise for practical use in pulsed power systems.

AB - The critical role of electrical homogeneity in optimising electric-field breakdown strength (BDS) and energy storage in high energy density (0.7 −x)BiFeO3-0.3BaTiO3-xBi(Li0.5Nb0.5)O3(BF-BT-xBLN) lead-free capacitors is demonstrated. The high BDS for bulk ceramics and multilayers (dielectric layer thickness ∼ 8 μm) of ∼260 and ∼950 kV cm−1, respectively, gives rise to record-performance of recoverable energy density,Wrec= 13.8 J cm−3and efficiency,η= 81%. Under an electric field of 400 kV cm−1, multilayers are temperature stable up to 100 °C, frequency independent in the range 10−2to 102Hz, have low strain (<0.03%) and are fatigue-resistant up to 104cycles (Wrecvariation < 10%). These properties show promise for practical use in pulsed power systems.

UR - https://www.scopus.com/pages/publications/85086180086

U2 - 10.1039/d0ta00216j

DO - 10.1039/d0ta00216j

M3 - 文章

AN - SCOPUS:85086180086

SN - 2050-7488

VL - 8

SP - 11414

EP - 11423

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

IS - 22

ER -

Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density

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