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Energy storage performance of polymer based nanocomposite films enhanced by two dimensional Ba5Nb4O15
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Yang LIU, Tiezhu GUO, Yan GUO, Weichen ZHAO, Di ZHOU
Insulating Materials | 2025, 58(4) : 24 - 29
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Insulating Materials | 2025, 58(4): 24-29
• Advanced Energy Storage Dielectric Special Issue •
Energy storage performance of polymer based nanocomposite films enhanced by two dimensional Ba5Nb4O15
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Yang LIU, Tiezhu GUO, Yan GUO, Weichen ZHAO, Di ZHOU
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  • School of Electronic Science and Engineering, Xi′an Jiaotong University, Xi′an 710049, China
Published: 2025-04-20 doi: 10.16790/j.cnki.1009-9239.im.2025.04.004
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Polymer-based nanocomposites have received much attention for their application prospects in the development of capacitors with high energy storage density. In this paper, ultra-thin barium niobate (Ba5Nb4O15, BNO) nanosheets were prepared by hydrothermal method, and were used as fillers to prepare nanocomposite films by combing with polyvinylidene fluoride trifluorochloroethylene (PVDF-CTFE) and polymethyl methacrylate (PMMA). The effects of ultra-thin BNO nanosheets on the delectric properties and energy storage properties of polymer composite films were studied. The results show that the dielectric constant and electric strength of polymer nanocomposite films increase significantly with a low BNO addition content, and thus the energy density increases. When the mass fraction of BNO is 0.5%, the maximum energy density of the nanocomposite film reaches 13.96 J/cm3, which is 2.6 times higher than that of pure P(VDF-CTFE)/PMMA polymer, and the energy storage efficiency reaches 67.4%.

two-dimensional nanosheets  /  barium niobate  /  interface polarization  /  polymer nanocomposite film
Yang LIU, Tiezhu GUO, Yan GUO, Weichen ZHAO, Di ZHOU. Energy storage performance of polymer based nanocomposite films enhanced by two dimensional Ba5Nb4O15[J]. Insulating Materials, 2025 , 58 (4) : 24 -29 . DOI: 10.16790/j.cnki.1009-9239.im.2025.04.004
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doi: 10.16790/j.cnki.1009-9239.im.2025.04.004
  • Receive Date：2024-08-30
  • Online Date：2025-11-07
  • Published：2025-04-20
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  • Received：2024-08-30
  • Revised：2024-11-04
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    School of Electronic Science and Engineering, Xi′an Jiaotong University, Xi′an 710049, China
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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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