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[目的]电阻浆料是柔性直流输电技术中的关键材料，其性能直接影响电力电子器件的稳定性。然而，当前关于五氧化二铌(Nb_2O5)含量对电阻浆料性能影响的研究尚不充分。[方法]制备了不同Nb_2O5含量的电阻浆料，系统研究了其电性能、表面形貌、电阻温度系数(TCR)及与某成品电阻浆料的混浆行为。[结果]随着Nb_2O5含量增加，浆料的TCR性能和膜层的致密性均有所提升。当Nb_2O5的质量分数为1.0%时，电阻浆料综合性能达到最优，其TCR绝对值最低，仅为2.3×10-5 K-1。[结论]本研究为高性能电阻元件的开发提供了理论依据和实验支持。
Abstract：[Objective] Resistor paste is a critical material in flexible direct-current transmission technology, and its performance directly affects the stability of power electronic devices. However, current research regarding the influence of niobium pentoxide(Nb_2O5) content on the properties of resistor paste remains insufficient. [Method] Resistor pastes with different Nb_2O5 contents were prepared, and their electrical properties, surface morphology, temperature coefficient of resistance(TCR), and mixing behavior with a commercial resistor paste were systematically studied. [Result] An increase in Nb_2O5 content contributes to the improvement of TCR performance and film compactness. When the mass fraction of Nb_2O5 reached 1.0%, the comprehensive performance of the resistor paste was optimal, with the absolute TCR value as low as 2.3 × 10-5 K-1. [Conclusion] This study provides theoretical and experimental support for the development of high-performance resistor components.
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基本信息:
DOI：10.19289/j.1004-227x.2025.12.008
中图分类号:TQ135.12;TM721.1
引用信息:
[1]王振,郑润民,黄一钊,等.Nb_2O_5含量对柔性直流电阻浆料性能的影响[J].电镀与涂饰,2025,44(12):51-55.DOI:10.19289/j.1004-227x.2025.12.008.
2025-12-20
2025-12-20