Journal Article

PUBDB-2023-00352

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Optimizing high-temperature capacitive energy storage performance by constructing crosslinked structure in self-crosslinkable polyetherimides

Zhu, L. ; Zheng, Z. ; Xu, W. (Corresponding author)DESY* ; Tang, Y. ; Yao, H. ; Zhang, Y. (Corresponding author) ; Jiang, Z.

2022
Elsevier Ltd. Amsterdam [u.a.]

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Please use a persistent id in citations: doi:10.1016/j.mtener.2022.101145  doi:10.3204/PUBDB-2023-00352

Abstract: Crosslinking is a proven method for effectively improving the high-temperature energy storage performance of polymer dielectrics. In this work, the relationship between crosslinked structure and energy storage performance was demonstrated by crosslinked polyetherimide films with various degree of crosslinking. Specifically, the maximum weight average molecular weight (M$_W$) of soluble parts and proper gel content favors the formation of an optimal crosslinked structure with an optimal energy density (∼3.6 J/cm$^3$) and charge–discharge efficiency (≥ 95%) at 150 °C. Furthermore, the energy storage performance of the crosslinked films obtained by the longtime treatment under relatively low temperatures is equivalent to that obtained by the short-time treatment under relatively high temperatures. This work provides a reference model for designing high-temperature crosslinked polymer dielectrics.

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Contributing Institute(s):

1. Experimentebetreuung PETRA III (FS-PET-D)

Research Program(s):

1. 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) (POF4-632)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2022

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Database coverage:
; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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