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

Materials Engineering

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

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−3 and 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 10−2 to 102 Hz, have low strain (

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
Publication status	Published - 12 May 2020

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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−3 and 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 10−2 to 102 Hz, have low strain (",

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.}",

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doi = "10.1039/D0TA00216J",

language = "English",

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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 - 2020/5/12

Y1 - 2020/5/12

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−3 and 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 10−2 to 102 Hz, have low strain (

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−3 and 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 10−2 to 102 Hz, have low strain (

U2 - 10.1039/D0TA00216J

DO - 10.1039/D0TA00216J

M3 - Article

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

Abstract

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