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3D cross-linked network structure for enhanced energy storage performance in PVDF-based polymer composite dielectric films
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Yong DU1, Xiaoming DAI2, Yawen YUAN2, Bingyu LEI2, Mengguo WANG2, Zukao XIE2
Journal of Materials Engineering | 2026, 54(7) : 330 - 337
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Journal of Materials Engineering | 2026, 54(7): 330-337
• RESEARCH ARTICLE •
3D cross-linked network structure for enhanced energy storage performance in PVDF-based polymer composite dielectric films
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Yong DU1, Xiaoming DAI2, Yawen YUAN2, Bingyu LEI2, Mengguo WANG2, Zukao XIE2
Affiliations
  • 1.China Classification Society Guangzhou Branch，Guangzhou 510235，China
  • 2.CSSC Huangpu Wenchong Shipbuilding Co. ，Ltd. ，Guangzhou 510715，China
Published: 2026-07-20 doi: 10.11868/j.issn.1001-4381.2024.000262
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Metalized thin film capacitors find diverse applications in hybrid electric vehicles， photovoltaic power generation， and ship-borne weapons due to their high-rate charge-discharge behavior. Improving the energy density of thin-film dielectric materials is crucial for advancing the electronic power industry. Here， a three-dimensional cross-linked network structure composite dielectric film-coPVDF/BST has been prepared by modifying a PVDF-based polymer， introducing high dielectric ceramic fillers， and cross-linking molding. The results demonstrate that the 3D cross-linked network structure effectively improves filler distribution uniformity， leading to a maximum breakdown strength of 424 MV/m and an enhancement in the modulus. Furthermore， the incorporation of ceramic fillers substantially increases the dielectric constant， resulting in an energy storage density of 10.4 J/cm3. This study provides design ideas for new metallized film capacitors and establishes a theoretical basis for the development of thin-film capacitors.

3D  /  cross-link  /  network structure  /  breakdown strength  /  energy storage property  /  polyvinylidene fluoride  /  composite dielectric film
杜勇, 戴小明, 袁亚文, 雷炳育, 王孟果, 谢祖靠. 三维交联网状结构提升PVDF基聚合物复合电介质薄膜的储能性能. 材料工程, 2026 , 54 (7) : 330 -337 . DOI: 10.11868/j.issn.1001-4381.2024.000262
Yong DU, Xiaoming DAI, Yawen YUAN, Bingyu LEI, Mengguo WANG, Zukao XIE. 3D cross-linked network structure for enhanced energy storage performance in PVDF-based polymer composite dielectric films[J]. Journal of Materials Engineering, 2026 , 54 (7) : 330 -337 . DOI: 10.11868/j.issn.1001-4381.2024.000262
Appendix
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Year 2026 volume 54 Issue 7
53
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Article Info
doi: 10.11868/j.issn.1001-4381.2024.000262
  • Receive Date：2024-04-11
  • Online Date：2026-10-28
  • Published：2026-07-20
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History
  • Received：2024-04-11
  • Accepted：2024-06-23
Affiliations
    1.China Classification Society Guangzhou Branch，Guangzhou 510235，China
    2.CSSC Huangpu Wenchong Shipbuilding Co. ，Ltd. ，Guangzhou 510715，China
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https://castjournals.cast.org.cn/joweb/clgc/EN/10.11868/j.issn.1001-4381.2024.000262
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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