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High energy density in artificial heterostructures through relaxation time modulation.

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Title: High energy density in artificial heterostructures through relaxation time modulation.
Authors: Sangmoon Han, Kim, Justin S., Eugene Park, Yuan Meng, Zhihao Xu, Foucher, Alexandre C., Gwan Yeong Jung, Ilpyo Roh, Sangho Lee, Sun Ok Kim, Ji-Yun Moon, Seung-Il Kim, Sanggeun Bae, Xinyuan Zhang, Bo-In Park, Yimeng Li, Heechang Shin, Reidy, Kate, Anh Tuan Hoang, Sundaram, Suresh
Source: Science (pre-March 2025). 4/19/2024, Vol. 384 Issue 6693, p312-317. 6p. 4 Diagrams.
Subjects: Energy density, Ferroelectric materials, Heterostructures, Energy dissipation, Energy storage
Abstract: Electrostatic capacitors are foundational components of advanced electronics and high-power electrical systems owing to their ultrafast charging-discharging capability. Ferroelectric materials offer high maximum polarization, but high remnant polarization has hindered their effective deployment in energy storage applications. Previous methodologies have encountered problems because of the deteriorated crystallinity of the ferroelectric materials. We introduce an approach to control the relaxation time using two-dimensional (2D) materials while minimizing energy loss by using 2D/3D/2D heterostructures and preserving the crystallinity of ferroelectric 3D materials. Using this approach, we were able to achieve an energy density of 191.7 joules per cubic centimeter with an efficiency greater than 90%. This precise control over relaxation time holds promise for a wide array of applications and has the potential to accelerate the development of highly efficient energy storage systems. [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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  Data: High energy density in artificial heterostructures through relaxation time modulation.
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  Data: <searchLink fieldCode="AR" term="%22Sangmoon+Han%22">Sangmoon Han</searchLink><br /><searchLink fieldCode="AR" term="%22Kim%2C+Justin+S%2E%22">Kim, Justin S.</searchLink><br /><searchLink fieldCode="AR" term="%22Eugene+Park%22">Eugene Park</searchLink><br /><searchLink fieldCode="AR" term="%22Yuan+Meng%22">Yuan Meng</searchLink><br /><searchLink fieldCode="AR" term="%22Zhihao+Xu%22">Zhihao Xu</searchLink><br /><searchLink fieldCode="AR" term="%22Foucher%2C+Alexandre+C%2E%22">Foucher, Alexandre C.</searchLink><br /><searchLink fieldCode="AR" term="%22Gwan+Yeong+Jung%22">Gwan Yeong Jung</searchLink><br /><searchLink fieldCode="AR" term="%22Ilpyo+Roh%22">Ilpyo Roh</searchLink><br /><searchLink fieldCode="AR" term="%22Sangho+Lee%22">Sangho Lee</searchLink><br /><searchLink fieldCode="AR" term="%22Sun+Ok+Kim%22">Sun Ok Kim</searchLink><br /><searchLink fieldCode="AR" term="%22Ji-Yun+Moon%22">Ji-Yun Moon</searchLink><br /><searchLink fieldCode="AR" term="%22Seung-Il+Kim%22">Seung-Il Kim</searchLink><br /><searchLink fieldCode="AR" term="%22Sanggeun+Bae%22">Sanggeun Bae</searchLink><br /><searchLink fieldCode="AR" term="%22Xinyuan+Zhang%22">Xinyuan Zhang</searchLink><br /><searchLink fieldCode="AR" term="%22Bo-In+Park%22">Bo-In Park</searchLink><br /><searchLink fieldCode="AR" term="%22Yimeng+Li%22">Yimeng Li</searchLink><br /><searchLink fieldCode="AR" term="%22Heechang+Shin%22">Heechang Shin</searchLink><br /><searchLink fieldCode="AR" term="%22Reidy%2C+Kate%22">Reidy, Kate</searchLink><br /><searchLink fieldCode="AR" term="%22Anh+Tuan+Hoang%22">Anh Tuan Hoang</searchLink><br /><searchLink fieldCode="AR" term="%22Sundaram%2C+Suresh%22">Sundaram, Suresh</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 4/19/2024, Vol. 384 Issue 6693, p312-317. 6p. 4 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Energy+density%22">Energy density</searchLink><br /><searchLink fieldCode="DE" term="%22Ferroelectric+materials%22">Ferroelectric materials</searchLink><br /><searchLink fieldCode="DE" term="%22Heterostructures%22">Heterostructures</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink>
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  Data: Electrostatic capacitors are foundational components of advanced electronics and high-power electrical systems owing to their ultrafast charging-discharging capability. Ferroelectric materials offer high maximum polarization, but high remnant polarization has hindered their effective deployment in energy storage applications. Previous methodologies have encountered problems because of the deteriorated crystallinity of the ferroelectric materials. We introduce an approach to control the relaxation time using two-dimensional (2D) materials while minimizing energy loss by using 2D/3D/2D heterostructures and preserving the crystallinity of ferroelectric 3D materials. Using this approach, we were able to achieve an energy density of 191.7 joules per cubic centimeter with an efficiency greater than 90%. This precise control over relaxation time holds promise for a wide array of applications and has the potential to accelerate the development of highly efficient energy storage systems. [ABSTRACT FROM AUTHOR]
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  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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        Value: 10.1126/science.adl2835
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        Text: English
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        PageCount: 6
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      – SubjectFull: Energy density
        Type: general
      – SubjectFull: Ferroelectric materials
        Type: general
      – SubjectFull: Heterostructures
        Type: general
      – SubjectFull: Energy dissipation
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      – SubjectFull: Energy storage
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