Ultrahigh energy storage in high-entropy ceramic capacitors with polymorphic relaxor phase
Ultrahigh-power-density multilayer ceramic capacitors (MLCCs) are critical components in electrical and electronic systems. However, the realization of a high energy density combined with a high efficiency is a major challenge for practical applications. We propose a high-entropy design in barium titanate (BaTiO3)-based lead-free MLCCs with polymorphic relaxor phase. This strategy effectively minimizes hysteresis loss by lowering the domain-switching barriers and enhances the breakdown strength by the high atomic disorder with lattice distortion and grain refining. Benefiting from the synergistic effects, we achieved a high energy density of 20.8 joules per cubic centimeter with an ultrahigh efficiency of 97.5% in the MLCCs. This approach should be universally applicable to designing high-performance dielectrics for energy storage and other related functionalities.
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CommentIn: Science. 2024 Apr 12;384(6692):158-159. - PMID 38603512 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:384 |
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| Enthalten in: |
Science (New York, N.Y.) - 384(2024), 6692 vom: 12. Apr., Seite 185-189 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Min [VerfasserIn] |
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Date Revised 11.04.2024 published: Print-Electronic CommentIn: Science. 2024 Apr 12;384(6692):158-159. - PMID 38603512 Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1126/science.adl2931 |
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| funding: |
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NLM370928261 |
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| 500 | |a CommentIn: Science. 2024 Apr 12;384(6692):158-159. - PMID 38603512 | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Ultrahigh-power-density multilayer ceramic capacitors (MLCCs) are critical components in electrical and electronic systems. However, the realization of a high energy density combined with a high efficiency is a major challenge for practical applications. We propose a high-entropy design in barium titanate (BaTiO3)-based lead-free MLCCs with polymorphic relaxor phase. This strategy effectively minimizes hysteresis loss by lowering the domain-switching barriers and enhances the breakdown strength by the high atomic disorder with lattice distortion and grain refining. Benefiting from the synergistic effects, we achieved a high energy density of 20.8 joules per cubic centimeter with an ultrahigh efficiency of 97.5% in the MLCCs. This approach should be universally applicable to designing high-performance dielectrics for energy storage and other related functionalities | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Lan, Shun |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Bing B |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Hao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yi Q |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qing H |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, Jun L |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Di |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Hang |e verfasserin |4 aut | |
| 700 | 1 | |a Yi, Di |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yue Y |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Rui |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Hong D |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Hao J |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Nan, Ce-Wen |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Yuan-Hua |e verfasserin |4 aut | |
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