High-temperature polyimide dielectric materials for energy storage: theory, design, preparation and properties

Dielectric capacitors with a high operating temperature applied in electric vehicles, aerospace and underground exploration require dielectric materials with high temperature resistance and high energy density. Polyimide (PI) turns out to be a potential dielectric material for capacitor applications...

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Bibliographic Details
Published inEnergy & environmental science Vol. 15; no. 1; pp. 56 - 81
Main Authors Liu, Xue-Jie, Zheng, Ming-Sheng, Chen, George, Dang, Zhi-Min, Zha, Jun-Wei
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 19.01.2022
Subjects
Capacitors
Design engineering
Design modifications
Electric vehicles
Energy storage
Flux density
Heat resistance
High temperature
Multilayers
Nanocomposites
Operating temperature
Temperature requirements
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Summary:Dielectric capacitors with a high operating temperature applied in electric vehicles, aerospace and underground exploration require dielectric materials with high temperature resistance and high energy density. Polyimide (PI) turns out to be a potential dielectric material for capacitor applications at high temperatures. In this review, the key parameters related to high temperature resistance and energy storage characteristics were introduced and recent developments in all-organic PI dielectrics and PI-matrix dielectric nanocomposites were discussed. Synthetic strategies for new functional PI via modification at the molecular level together with the design engineering of nanofillers and multilayer structures of PIs were also analysed. Finally, a systematic summary of the current challenges and future developments for capacitor materials used at high temperatures were presented. Dielectric capacitors with a high operating temperature applied in electric vehicles, aerospace and underground exploration require dielectric materials with high temperature resistance and high energy density.
Bibliography:Xue-Jie Liu is currently a PhD student at the University of Science and Technology Beijing under the supervision of Prof. Jun-Wei Zha. Her research interest is dielectric energy storage materials at high temperatures.
Jun-Wei Zha received his PhD degree from the Beijing University of Chemical Engineering in 2010. He did his Joint-PhD in Electrical Power Engineering at University of Southampton from 2009 to 2010. He worked as a senior associate researcher and as a "Hong Kong Scholar" at City University of Hong Kong from 2013 to 2016. Now he is currently a Professor at the University of Science and Technology Beijing. His research interests are focussed on dielectric energy storage materials, thermal management in nanodielectrics and smart nanodielectrics, etc. He also serves as the subject editor of IET Nanodielectrics, youth editorial board member of Energy & Environmental Materials, etc. He is currently a member of IEEE/DEIS Technical Committee on Nanodielectrics and CIGRE WG D1-73. He has authored and co-authored over 170 papers in refereed journals, conference proceeding papers and 17 patents. He also has co-authored four English books and a Chinese Book.
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ISSN:1754-5692
1754-5706
DOI:10.1039/d1ee03186d