氮化硼纳米片改性复合材料导热性能的研究进展

氮化硼纳米片（BNNSs）是一种二维片状纳米材料，具有较高的导热性和热稳定性。将其作为填料加入聚合物中，可显著提高复合材料的导热性能。本文基于近年来对BNNSs改性复合材料的导热性能的研究进展，总结了BNNSs制备和改性的方法以及建立导热路径的方法，介绍了该体系复合材料的导热机理，分析了影响复合材料导热性能的因素，最后对提高复合材料的导热性能进行了展望。

Research progress on thermal conductivity of composites modified with boron nitride nanosheets

Boron nitride nanosheets (BNNSs), as a two-dimensional flake nano material, has high thermal conductivity and thermal stability. The thermal conductivity of the composites can be improved by adding boron nitride nanosheets as a filler. Based on the research progress on the thermal conductivity of composites modified with boron nitride nanosheets in recent years, the preparation and modification methods of BNNSs and the establishment of thermal conductivity paths are summarized. Subsequently, the thermal conductivity mechanism of composites was introduced and the affecting factors of the thermal conductivity of the composites were analyzed. Finally, the improvement of thermal conductivity of composites was prospected.