用无铅KNN-PVDF纳米复合材料制备液滴摩擦电纳米发电机(db - teng)

IF 3.8 Q2 CHEMISTRY, PHYSICAL
Babita Sharma , Reema Gupta , Anjali Sharma , Arijit Chowdhuri , Monika Tomar
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引用次数: 0

摘要

利用铌酸钾钠-聚偏氟乙烯(KNN-PVDF)复合材料,研制了一种高效的摩擦电能量收集系统。采用溶液浇铸法制备了不同重量百分比(10% ~ 50%)的KNN,研究了KNN成分对复合材料结构和形态性能的影响。XRD谱图证实了KNN在PVDF中的正交相,SEM图也证实了KNN与PVDF之间明确的键合关系。将制备的薄片进一步用于液滴摩擦电纳米发电机(DB-TENG)的应用。结果表明,当NaCl浓度为0.6 M时,当KNN浓度为20%时,复合材料的开路电压为1.56 V,短路电流为9.91 × 10−6 A,坡角为60°,与海浪的摩尔浓度相对应。所得结果表明,KNN-PVDF复合片材可以利用海浪收集能量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Fabrication of droplet based triboelectric nanogenerators (DB-TENGs) using lead free KNN-PVDF nanocomposite

Fabrication of droplet based triboelectric nanogenerators (DB-TENGs) using lead free KNN-PVDF nanocomposite
A highly efficient triboelectric energy harvesting system has been developed in the current work utilizing sheets of potassium sodium Niobate - polyvinyledene fluoride (KNN-PVDF) composite material. These composite sheets were prepared with different weight percentages of KNN (ranging from 10 % to 50 %) using the solution casting method to investigate the effect of KNN composition on structural and morphological properties. The XRD spectra confirms the orthorhombic phase of KNN in PVDF and well define linkages between KNN and PVDF is confirmed by the SEM images. The prepared sheets were further utilized for the application of Droplet based triboelectric nanogenerator (DB-TENG). It was found that the KNN-PVDF composite with 20 % KNN concentration exhibited an open circuit voltage of 1.56 V and short circuit current of 9.91 × 10 −6 A at a slope angle of 60° with NaCl concentration of 0.6 M in water, which corresponds to the molarity of ocean waves. The obtained results demonstrate the possible use of KNN-PVDF composite sheets for energy harvesting using sea waves.
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来源期刊
Chemical Physics Impact
Chemical Physics Impact Materials Science-Materials Science (miscellaneous)
CiteScore
2.60
自引率
0.00%
发文量
65
审稿时长
46 days
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