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Research Progress in Polyvinylidene Fluoride (PVDF) Polycrystalline Characteristics
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Yuqing CHEN1, Jun ZHOU1, Kai WU1, Yongfei LI1, Beibei JIA1, Yang WANG2, Qingdong ZHU3
Insulating Materials | 2022, 55(4) : 1 - 12
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Insulating Materials | 2022, 55(4): 1-12
• Review •
Research Progress in Polyvinylidene Fluoride (PVDF) Polycrystalline Characteristics
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Yuqing CHEN1, Jun ZHOU1, Kai WU1, Yongfei LI1, Beibei JIA1, Yang WANG2, Qingdong ZHU3
Affiliations
  • 1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  • 2School of Electronics and Information, Xi'an Polytechnic University, Xi'an 710048, China
  • 3Electric Power Research Institute of State Grid Shandong Electric Power Company, Jinan 25003, China
Published: 2022-04-20 doi: 10.16790/j.cnki.1009-9239.im.2022.04.001
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Polyvinylidene fluoride (PVDF) is widely used in the fields of energy storage, sensors, and energy collection due to its excellent dielectric, piezoelectric, and ferroelectric properties. PVDF has a variety of crystalline phases, which correspond to different molecular conformations and physical properties. At present, there are still controversies about which PVDF crystal phases dominate under certain conditions, the corresponding morphological characteristics of each crystal phase, and the influence on the physical properties of PVDF. This article reviewed the structural characteristics of the three main crystal forms (α, β and γ) of PVDF and the current mainstream characterization methods, and analyzed the difficulties and potential ways to accurately establish the "structure-activity" relationship of PVDF polymorphs. The factors affecting the formation of PVDF polymorphs and the transformation rules were also reviewed.

PVDF  /  crystal structure  /  crystal form characterization  /  crystal form conversion
Yuqing CHEN, Jun ZHOU, Kai WU, Yongfei LI, Beibei JIA, Yang WANG, Qingdong ZHU. Research Progress in Polyvinylidene Fluoride (PVDF) Polycrystalline Characteristics[J]. Insulating Materials, 2022 , 55 (4) : 1 -12 . DOI: 10.16790/j.cnki.1009-9239.im.2022.04.001
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doi: 10.16790/j.cnki.1009-9239.im.2022.04.001
  • Receive Date：2021-05-26
  • Online Date：2025-12-22
  • Published：2022-04-20
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History
  • Received：2021-05-26
  • Revised：2021-07-21
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Affiliations
    1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
    2School of Electronics and Information, Xi'an Polytechnic University, Xi'an 710048, China
    3Electric Power Research Institute of State Grid Shandong Electric Power Company, Jinan 25003, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.04.001
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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