本文重点介绍了复合材料尤其是碳系高分子导电复合材料中的颗粒级配技术的研究现状和进展,评述了级配方式对复合材料力学加工性能及导电性能的影响。同时指出多元颗粒的多级配是未来制备力学加工性能与导电性能兼优的碳系导电复合高分子材料的重要方向。 This article focuses on the research status and progress of particle grading technology in composite materials, especially carbon polymer conductive composites. The effects of grading mode on the mechanical properties and electrical conductivity of composites are reviewed. At the same time, it is pointed out that the multistage distribution of multi-particles is an important direction for the preparation of carbon-based conductive composite polymer materials with excellent machinability and electrical conductivity in the future.