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author：

Zeng, X. (Zeng, X..) [1] | Zhang, Y. (Zhang, Y..) [2] | Shen, J. (Shen, J..) [3] | Jiang, X. (Jiang, X..) [4] | Wang, S. (Wang, S..) [5] | Dai, H. (Dai, H..) [6] | Wu, X. (Wu, X..) [7] | Gao, M. (Gao, M..) [8] | Zhao, C. (Zhao, C..) [9] | Lin, T. (Lin, T..) [10] | Luo, L. (Luo, L..) [11] | Lin, J. (Lin, J..) [12] | Sa, B. (Sa, B..) [13] | Lin, C. (Lin, C..) [14]

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Scopus

Abstract：

The　ultrafast　charge/discharge　rate　and　high　power　density　(PD)　endow　lead-free　dielectric　energy　storage　ceramics　(LDESCs)　with　enormous　application　potential　in　electric　vehicles.　However,　their　low　energy　storage　density　and　single　energy　storage　performance　(ESP)　limit　their　further　development　and　applicability　in　rugged　environments.　Here,　through　the　design　of　vacancy　defects　and　phase　structure　regulation,　Pb-free　(Bi0.5Na0.5)TiO3-based　ceramics　with　an　optimal　composition　can　achieve　a　large　maximum　polarization　(＞44　µC　cm−2)　under　a　moderate　electric　field　(410 kV　cm−1),　resulting　in　an　extremely　high　recoverable　energy　storage　density　(≈6.14　J　cm−3),　nearly　ideal　energy　storage　efficiency　(91.32%),　a　very　short　time　(≈67 ns)　to　release　90%　of　the　energy,　and　a　high　PD　(243.57　MW　cm−3).　More　importantly,　the　energy　storage　capacities　of　these　ceramics　remain　stable　over　a　wide　temperature　range　(25–220　°C)　and　for　a　wide　range　of　fatigue　cycles　(1-106).　Additionally,　the　real-time　temperature　sensing　performance　with　high　sensitivity　(with　a　relative　sensitivity　of　up　to　≈0.04　K−1)　in　the　ceramics　is　developed　based　on　Yb3+　and　Tm3+　codoping,　which　further　supports　the　potential　application　of　LDESCs　to　automotive　batteries　with　a　temperature　monitoring　function.　©　2024　Wiley-VCH　GmbH.

Keyword：

energy-storage ceramics fluorescent negative thermal expansion lead-free temperature sensing temperature stabilization

Community：

  • [ 1 ] [Zeng X.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Zhang Y.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Shen J.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Jiang X.]Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo, 315211, China
  • [ 5 ] [Wang S.]Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Functional Materials Research Laboratory, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
  • [ 6 ] [Dai H.]Department of Microelectronic Science and Engineering, Ningbo University, Ningbo, 315211, China
  • [ 7 ] [Wu X.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Gao M.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 9 ] [Zhao C.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Lin T.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 11 ] [Luo L.]Department of Microelectronic Science and Engineering, Ningbo University, Ningbo, 315211, China
  • [ 12 ] [Lin J.]Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
  • [ 13 ] [Sa B.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 14 ] [Lin C.]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China

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Small

ISSN： 1613-6810

Year： 2024

Issue： 5

Volume： 21

1 3 . 0 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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