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author:

Zeng, Xiangfu (Zeng, Xiangfu.) [1] | Lin, Jinfeng (Lin, Jinfeng.) [2] | Shen, Jie (Shen, Jie.) [3] | Chen, Yan (Chen, Yan.) [4] | Xu, Wei (Xu, Wei.) [5] | Tang, Luomeng (Tang, Luomeng.) [6] | Wang, Simin (Wang, Simin.) [7] | Gao, Min (Gao, Min.) [8] | Zhao, Chunlin (Zhao, Chunlin.) [9] | Lin, Tengfei (Lin, Tengfei.) [10] | Luo, Laihui (Luo, Laihui.) [11] | Chen, Chao (Chen, Chao.) [12] | Sa, Baisheng (Sa, Baisheng.) [13] | Lin, Cong (Lin, Cong.) [14] | Wu, Xiao (Wu, Xiao.) [15] | Zhai, Jiwei (Zhai, Jiwei.) [16]

Indexed by:

EI

Abstract:

Considering the large demand for electricity in the era of artificial intelligence and big data, there is an urgent need to explore novel energy storage media with higher energy density and intelligent temperature self-check functions. High-entropy (HE) ceramic capacitors are of great significance because of their excellent energy storage efficiency and high power density (PD). However, the contradiction between configurational entropy and polarization in traditional HE systems greatly restrains the increase in energy storage density. Herein, the contradiction is effectively solved by regulating the octahedral tilt and cationic displacement in ABO3-type perovskite HE ceramics, i.e., (1-x)[0.6(Bi0.47Na0.47Yb0.03Tm0.01)TiO3-0.4(Ba0.5Sr0.5)TiO3]-xSr(Zr0.5Hf0.5)O3 (BNYTT-BST-xSZH). Combining the tape-casting process and cold isostatic pressing, the optimal BNYTT-BST-0.06SZH ceramic displays a large recoverable energy storage density (10.46 J cm−3) at 685 kV cm−1 and a high PD (332.88 MW cm−3). More importantly, due to Tm/Yb codoping, abnormal fluorescent negative thermal expansion and excellent real-time temperature sensing are developed, thus the application of fault detection and warning in high-voltage transmission line systems is conceptualized. This study provides an effective strategy for enhancing the polarization of energy-storing HE ceramics and offers a promising material for overcoming the problems of insufficient capacitor density and thermal runaway in terminal communication. © 2024 Wiley-VCH GmbH.

Keyword:

Barium alloys Capacitor storage Ceramic capacitors Ferroelectric ceramics Perovskite Pressing (forming) Surface discharges Titanium dioxide Yttrium alloys

Community:

  • [ 1 ] [Zeng, Xiangfu]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Lin, Jinfeng]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
  • [ 3 ] [Lin, Jinfeng]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
  • [ 4 ] [Shen, Jie]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Chen, Yan]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Xu, Wei]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 7 ] [Tang, Luomeng]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
  • [ 8 ] [Wang, Simin]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
  • [ 9 ] [Gao, Min]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 10 ] [Zhao, Chunlin]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 11 ] [Lin, Tengfei]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 12 ] [Luo, Laihui]Department of Microelectronic Science and Engineering, Ningbo University, Ningbo; 315211, China
  • [ 13 ] [Chen, Chao]Jiangxi Key Laboratory of Advanced Ceramic Materials, School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen; 333403, China
  • [ 14 ] [Sa, Baisheng]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 15 ] [Lin, Cong]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 16 ] [Wu, Xiao]Institute of Advanced Ceramics, College of Materials Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 17 ] [Zhai, Jiwei]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

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Source :

Advanced Materials

ISSN: 0935-9648

Year: 2024

Issue: 46

Volume: 36

2 7 . 4 0 0

JCR@2023

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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