高压半导电屏蔽料导电炭黑结构与应用对比研究  

Comparative research of conductive carbon black structure and application in high-voltage semi-conductive shielding materials

作　　者：余欣 王智星 陈宇慧 彭向阳 于是乎 贾利川 YU Xin;WANG Zhixing;CHEN Yuhui;PENG Xiangyang;YU Shihu;JIA Lichuan(Guangdong Key Laboratory of Electric Power Equipment Reliability,Guangdong Power Grid Corp Electric Power Research Institute,Guangzhou 510062,China;College of Electrical Engineering,Sichuan University,Chengdu 610065,China)

机构地区：[1]广东电网有限责任公司电力科学研究院广东省电力装备可靠性企业重点实验室,广东广州510062 [2]四川大学电气工程学院,四川成都610065

出　　处：《绝缘材料》2025年第3期60-69,共10页Insulating Materials

基　　金：南方电网公司科技项目(036100KK52210058(GDKJXM20210098))。

摘　　要：本文对比研究了国内新型研发的高品质导电炭黑(CB)与国外主流高压半导电屏蔽料用导电炭黑的聚集体结构、微晶结构和表面化学性质,并研究了以导电炭黑为填料制备的半导电屏蔽料的综合性能。结果表明:国内外导电炭黑的聚集体形态、微晶相似,碳元素含量水平相近,但国产导电炭黑含有0.51%的硫元素,并且粒径均匀性更差,各类表面官能团含量与国外产品有明显差别。相比于国外产品制备的半导电屏蔽料,国产导电炭黑制备的半导电屏蔽料导电性能和力学性能与之持平,但表面光滑度较差且未能满足行业相关要求。因此,粒径均匀度、表面官能团含量、硫元素含量是后续国产导电炭黑结构优化与性能提升的重要方向,表面光洁度是国产高压半导电屏蔽料的重要攻关方向。The aggregate structure,microcrystalline structure,and surface chemical properties of domestically developed conductive carbon black(CB)were compared with that of international commercial products,and the comprehensive performance of semi-conductive shielding materials prepared by filling CB were studied.The results show that the domestic CB exhibits comparable aggregate structures,microcrystalline dimensions,and carbon content with the imported CB,while the domestic CB contains 0.51%of sulfur elements and demonstrates lower particle size uniformity,alongside a significant variance in the content of various surface functional groups.The semi-conductive shielding material prepared with domestic CB achieves equivalent electrical and mechanical performance to that prepared with imported CB,but its surface smoothness is inferior,which does not meet the industry requirements.It is concluded that the uniformity of particle size,contents of surface functional groups,and the sulfur content are important research direction for structural optimization and performance improvement of domestic conductive carbon black,and surface smoothness is a significant research focus for the development of domestic high-voltage semi-conductive shielding materials.

关 键 词：高压电缆 半导电屏蔽料 导电炭黑 微观结构 应用性能 

分 类 号：TM242[一般工业技术—材料科学与工程] TM247[电气工程—电工理论与新技术]