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Ultrahigh energy storage in high-entropy ceramic capacitors with polymorphic relaxor phase.

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Title: Ultrahigh energy storage in high-entropy ceramic capacitors with polymorphic relaxor phase.
Authors: Min Zhang, Shun Lan, Yang, Bing B., Hao Pan, Liu, Yi Q., Zhang, Qing H., Qi, Jun L., Di Chen, Hang Su, Di Yi, Yang, Yue Y., Rui Wei, Cai, Hong D., Han, Hao J., Lin Gu, Ce-Wen Nan, Yuan-Hua Lin
Source: Science (pre-March 2025). 4/12/2024, Vol. 384 Issue 6692, p185-189. 5p. 4 Diagrams.
Subjects: Energy storage, Barium titanate, Relaxor ferroelectrics, Energy density, Ceramic capacitors, Electronic equipment, Entropy, Electronic systems
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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DbLabel: Psychology and Behavioral Sciences Collection
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PubType: Academic Journal
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  Data: Ultrahigh energy storage in high-entropy ceramic capacitors with polymorphic relaxor phase.
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  Data: <searchLink fieldCode="AR" term="%22Min+Zhang%22">Min Zhang</searchLink><br /><searchLink fieldCode="AR" term="%22Shun+Lan%22">Shun Lan</searchLink><br /><searchLink fieldCode="AR" term="%22Yang%2C+Bing+B%2E%22">Yang, Bing B.</searchLink><br /><searchLink fieldCode="AR" term="%22Hao+Pan%22">Hao Pan</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+Yi+Q%2E%22">Liu, Yi Q.</searchLink><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qing+H%2E%22">Zhang, Qing H.</searchLink><br /><searchLink fieldCode="AR" term="%22Qi%2C+Jun+L%2E%22">Qi, Jun L.</searchLink><br /><searchLink fieldCode="AR" term="%22Di+Chen%22">Di Chen</searchLink><br /><searchLink fieldCode="AR" term="%22Hang+Su%22">Hang Su</searchLink><br /><searchLink fieldCode="AR" term="%22Di+Yi%22">Di Yi</searchLink><br /><searchLink fieldCode="AR" term="%22Yang%2C+Yue+Y%2E%22">Yang, Yue Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Rui+Wei%22">Rui Wei</searchLink><br /><searchLink fieldCode="AR" term="%22Cai%2C+Hong+D%2E%22">Cai, Hong D.</searchLink><br /><searchLink fieldCode="AR" term="%22Han%2C+Hao+J%2E%22">Han, Hao J.</searchLink><br /><searchLink fieldCode="AR" term="%22Lin+Gu%22">Lin Gu</searchLink><br /><searchLink fieldCode="AR" term="%22Ce-Wen+Nan%22">Ce-Wen Nan</searchLink><br /><searchLink fieldCode="AR" term="%22Yuan-Hua+Lin%22">Yuan-Hua Lin</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 4/12/2024, Vol. 384 Issue 6692, p185-189. 5p. 4 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Barium+titanate%22">Barium titanate</searchLink><br /><searchLink fieldCode="DE" term="%22Relaxor+ferroelectrics%22">Relaxor ferroelectrics</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+density%22">Energy density</searchLink><br /><searchLink fieldCode="DE" term="%22Ceramic+capacitors%22">Ceramic capacitors</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+equipment%22">Electronic equipment</searchLink><br /><searchLink fieldCode="DE" term="%22Entropy%22">Entropy</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+systems%22">Electronic systems</searchLink>
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  Data: 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. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1126/science.adl2931
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        Text: English
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        PageCount: 5
        StartPage: 185
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      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Barium titanate
        Type: general
      – SubjectFull: Relaxor ferroelectrics
        Type: general
      – SubjectFull: Energy density
        Type: general
      – SubjectFull: Ceramic capacitors
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      – SubjectFull: Electronic equipment
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      – SubjectFull: Entropy
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      – SubjectFull: Electronic systems
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              Text: 4/12/2024
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