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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202101976
|2 doi
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|a pubmed24n1111.xml
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|a DE-627
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|a eng
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|a Dai, Zhizhan
|e verfasserin
|4 aut
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| 245 |
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|a Scalable Polyimide-Poly(Amic Acid) Copolymer Based Nanocomposites for High-Temperature Capacitive Energy Storage
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 03.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a The developments of next-generation electric power systems and electronics demand for high temperature (≈150 °C), high energy density, high efficiency, scalable, and low-cost polymer-based dielectric capacitors are still scarce. Here, the nanocomposites based on polyimide-poly(amic acid) copolymers with a very low amount of boron nitride nanosheets are designed and synthesized. Under the actual working condition in hybrid electric vehicles of 200 MV m-1 and 150 °C, a high energy density of 1.38 J cm-3 with an efficiency higher than 96% is achieved. This is about 2.5 times higher than the room temperature energy density (≈0.39 J cm-3 under 200 MV m-1 ) of the commercially used biaxially oriented polypropylene, the benchmark of dielectric polymer. Especially, the energy density and efficiency at 150 °C show no sign of degradation after 20 000 cycles of charge-discharge test and 35 days' high-temperature endurance test. This research provides an effective and low-cost strategy to develop high-temperature polymer-based capacitors
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|a Journal Article
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|a high-temperature energy storage
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|a nanocomposites
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|a polyimide-poly(amic acid) copolymers
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|a polymer-based dielectric capacitors
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| 700 |
1 |
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|a Bao, Zhiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Song
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chuanchuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Haoyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, He
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yuchen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Yuewei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiaoguang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 5 vom: 01. Feb., Seite e2101976
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:5
|g day:01
|g month:02
|g pages:e2101976
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|u http://dx.doi.org/10.1002/adma.202101976
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