基于NiFe2O4/BaTiO3复合摩擦材料的输出性能

严熠萌; 李彬; 齐宝亮; 陈俊; 焦元静

doi:10.12299/jsues.22-0329

基于NiFe₂O₄/BaTiO₃复合摩擦材料的输出性能

doi: 10.12299/jsues.22-0329

严熠萌^1,,
李彬^1, ,,
齐宝亮²,
陈俊¹,
焦元静¹

1.
上海工程技术大学材料科学与工程学院, 上海 201620
2.
上海方柚智能科技有限公司, 上海 200801

基金项目: 上海工程技术大学大学生创新训练项目资助（CX2105004）；上海市III类高峰学科—材料科学与工程（高能束智能加工与绿色制造）

详细信息

作者简介:
严熠萌（2002−），男，在读本科，研究方向为摩擦纳米发电机. E-mail：1437319613@qq.com

通讯作者:
李　彬（1982−），男，讲师，博士，研究方向为微连接/铁电材料. E-mail：libin@sues.edu.cn

中图分类号: TB332
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- 文章访问数: 176
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- 被引次数: 0
出版历程
- 收稿日期: 2022-11-07
- 刊出日期: 2023-12-30

Output performance of composite tribo-materials based on NiFe₂O₄/BaTiO₃

1.
School of Materials Science and Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
2.
Shanghai Fangyou Intelligent Technology Co., Ltd., Shanghai 200801, China

摘要

摘要: 摩擦材料是摩擦纳米发电机（TENG）的关键部件之一. 将NiFe₂O₄/BaTiO₃纳米颗粒填充到聚二甲基硅氧烷（Polydimethylsiloxane, PDMS）中，研究两种无机材料作为填料对发电机输出性能的影响，以获得具有更高输出性能的柔性摩擦纳米发电机. 研究发现，NiFe₂O₄与BaTiO₃陶瓷颗粒均为多晶结构且结晶良好，两种纳米颗粒均能有效增强PDMS的电输出值，尤其NiFe₂O₄/BaTiO₃/PDMS复合膜的输出电压明显高于PDMS膜，且质量比为7.5∶2.5∶90的NiFe₂O₄/BaTiO₃/PDMS复合膜具有最高的输出电压值.
- 摩擦纳米发电机 /
- 磁性材料 /
- 铁电体 /
- 复合材料
Abstract: Tribo-material is one of the most critical components in triboelectric nanogenerators (TENG). NiFe₂O₄/BaTiO₃ nanoparticles were filled into polydimethylsiloxane (PDMS), and the effects of two inorganic materials as fillers on generator output performance were studied in order to obtain a flexible triboelectric nanogenerator with higher output performance. It was found that both NiFe₂O₄ and BaTiO₃ ceramic particles were polycrystalline and well-crystallized. Both nanoparticles could effectively enhance the electrical output value of PDMS. In particular, the output voltage of NiFe₂O₄/BaTiO₃/PDMS composite film was significantly higher than that of PDMS film. The NiFe₂O₄/BaTiO₃/PDMS composite film with a weight ratio of 7.5∶2.5∶90 possessed the highest output voltage.
- triboelectric nanogenerators (TENG) /
- magnetic materials /
- ferroelectrics /
- composite materials

HTML全文

图 1 NiFe₂O₄与BaTiO₃粉末的XRD图谱

Figure 1. XRD patterns of NiFe₂O₄ and BaTiO₃ powders

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图 2 NiFe₂O₄粉末的磁滞回线

Figure 2. Magnetic hysteresis loops of NiFe₂O₄ powder

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图 3 BaTiO₃粉末的漏电流曲线

Figure 3. Leakage currents of BaTiO₃ powder

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图 4 NiFe₂O₄粉末、BaTiO₃粉末及NiFe₂O₄/BaTiO₃/PDMS复合膜的照片

Figure 4. Photographs of NiFe₂O₄ powder, BaTiO₃ powder and NiFe₂O₄/BaTiO₃/PDMS composite film

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图 5 接触−分开型摩擦纳米发电机的工作机理示意图

Figure 5. Schematic illustration of working mechanism of a contact-separation triboelectric nanogenerator

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图 6 不同质量比的NiFe₂O₄/BaTiO₃/PDMS复合膜的输出电压

Figure 6. Output voltages of NiFe₂O₄/BaTiO₃/PDMS composite films with different weight ratios

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