Polyurethane induced high breakdown strength and high energy storage density in polyurethane/poly(vinylidene fluoride) composite films

被引：48

作者：

Zheng, Ming-Sheng ^{[1
]}

Zha, Jun-Wei ^{[1
]}

Yang, Yu ^{[1
]}

Han, Peng ^{[1
]}

Hu, Chao-He ^{[1
]}

Wen, Yong-Qiang ^{[1
]}

Dang, Zhi-Min ^{[2
,3
]}

机构：

[1] Univ Sci & Technol Beijing, Coll Biol & Chem Engn, Beijing 100083, Peoples R China

[2] Tsinghua Univ, State Key Lab Power Syst, Beijing 100084, Peoples R China

[3] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2017年 / 110卷 / 25期

关键词：

MECHANICAL-PROPERTIES; HIGH-PERMITTIVITY; POLYMER; MORPHOLOGY;

D O I：

10.1063/1.4989579

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A series of composites blending thermoplastic polyurethane (TPU) with poly(vinylidene fluoride) (PVDF) were prepared in this work to realize a high energy storage density. Low loading of TPU (<3 vol. %) shows a uniform dispersion state in the PVDF matrix. We demonstrate that the incorporation of TPU induces high breakdown strength which results in promoted energy storage performance. In addition, the influence of the different TPU hardnesses (65, 75, and 85) on the breakdown strength of TPU/PVDF composites was also investigated. Finally, a maximum value up to 537.8 MV/m at 3 vol. % TPU with a hardness of 65 was obtained, which led to a high energy density of 10.36 J/cm(3). Published by AIP Publishing.

引用

页数：4

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