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High Thermal Conductivity Nanocomposites Based on Conductive Polyaniline Nanowire Arrays on Boron Nitride
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2019-10-14 , DOI: 10.1002/mame.201900442 Yufeng Bai 1 , Weifang Han 2 , Chunhua Ge 1 , Rui Liu 1 , Rui Zhang 1 , Lixia Wang 1 , Xiangdong Zhang 1
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2019-10-14 , DOI: 10.1002/mame.201900442 Yufeng Bai 1 , Weifang Han 2 , Chunhua Ge 1 , Rui Liu 1 , Rui Zhang 1 , Lixia Wang 1 , Xiangdong Zhang 1
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With the development of soft electronics, conductive composites are garnering an increasing amount of attention. The electrical conductivity, thermal conductivity, and electrical stability of conductive composites are all very important. In particular, the thermal conductivity of conductive composites is critical to the stability of their conductive properties. However, little is reported on thermal management in conductive systems. Herein, sufficiently hydroxylated boron nitride nanosheets (BN‐OH)@polyaniline (PANI) composite nanosheets with a high thermal conductivity and outstanding conductance stability are reported. PANI nanowire arrays are aligned vertically on BN‐OH. This well‐ordered nanostructure provides the means to form a good conductive and thermally conductive path. Notably, the composite through‐plane thermal conductivity is 2.1 W m−1 K−1(≈1000% that of pure PANI) and that the resistivity of the composite is 1.38 Ω cm. Importantly, the resistivity of the composite remains unchanged after 1 h of work. The results show that this composite has prospective applications for use in soft electronics.
中文翻译：
基于氮化硼上导电聚苯胺纳米线阵列的高导热纳米复合材料
随着软电子技术的发展，导电复合材料越来越引起人们的关注。导电复合材料的电导率，导热率和电稳定性都很重要。特别地，导电复合材料的热导率对其导电性能的稳定性至关重要。但是，关于导电系统中热管理的报道很少。本文报道了具有高导热率和出色电导稳定性的充分羟基化的氮化硼纳米片（BN-OH）@聚苯胺（PANI）复合纳米片。PANI纳米线阵列在BN-OH上垂直对齐。这种有序的纳米结构提供了形成良好的导热和导热路径的手段。值得注意的是，复合材料的整个平面热导率为2.1 W m-1 K -1（约为纯PANI的1000％），复合材料的电阻率为1.38Ωcm。重要的是，复合材料的电阻率在工作1小时后仍保持不变。结果表明，这种复合材料在软电子产品中具有潜在的应用前景。
更新日期：2019-12-05
中文翻译：
基于氮化硼上导电聚苯胺纳米线阵列的高导热纳米复合材料
随着软电子技术的发展，导电复合材料越来越引起人们的关注。导电复合材料的电导率，导热率和电稳定性都很重要。特别地，导电复合材料的热导率对其导电性能的稳定性至关重要。但是，关于导电系统中热管理的报道很少。本文报道了具有高导热率和出色电导稳定性的充分羟基化的氮化硼纳米片（BN-OH）@聚苯胺（PANI）复合纳米片。PANI纳米线阵列在BN-OH上垂直对齐。这种有序的纳米结构提供了形成良好的导热和导热路径的手段。值得注意的是，复合材料的整个平面热导率为2.1 W m-1 K -1（约为纯PANI的1000％），复合材料的电阻率为1.38Ωcm。重要的是，复合材料的电阻率在工作1小时后仍保持不变。结果表明，这种复合材料在软电子产品中具有潜在的应用前景。
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