复合型碳气凝胶在应变传感器中的应用进展  

Advances of Composite Carbon Aerogels in Strain Sensor Application

作　　者：余池 郭建华[1,2] 蒋兴华 杨少华 Chi Yu;Jianhua Guo;Xinghua Jiang;Shaohua Yang(School of Materials Science and Engineering,South China University of Technology,Guangzhou 510640,China;Institute of Modern Industrial Technology of SCUT in Zhongshan,Zhongshan 528400,China;School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou 510640,China;China Electronic Product Reliability and Environmental Test Research Institute,Guangzhou 511370,China)

机构地区：[1]华南理工大学材料科学与工程学院,广东广州510640 [2]中山市华南理工大学现代产业技术研究院,广东中山528400 [3]华南理工大学机械与汽车工程学院,广东广州510640 [4]工业和信息化部电子第五研究所,广东广州511370

出　　处：《高分子材料科学与工程》2023年第4期154-162,共9页Polymer Materials Science & Engineering

基　　金：广东省自然科学基金资助项目(2018A0303130023);中山市科技计划(2019AG022,2020AG022)。

摘　　要：碳气凝胶是一种具有三维多尺度结构的新型轻质多孔材料,其特点是高比表面积、高孔隙率、低密度、高耐热和导电性。当前,碳气凝胶在应变传感器、超级电容器、电磁屏蔽、吸波材料、隔热防火、高效吸附等领域有广泛的应用研究。文中介绍了碳气凝胶的制备方法,包括溶剂热还原法、冷冻干燥法以及模板法;综述了几种复合型碳气凝胶在应变传感器上的应用;对复合型碳气凝胶制备应变传感器的发展方向进行了展望。Carbon aerogels are novel lightweight porous materials with three-dimensional hierarchical structure.They have high specific surface area,high porosity,low density,excellent heat resistance and electrical conductivity.Currently,carbon aerogels have been widely investigated in the applications of strain sensors,supercapacitors,electromagnetic wave shielding,electromagnetic wave absorption,thermal insulation,fire protection,high efficient adsorption and so on.The preparation methods of carbon aerogels include solvent thermal reduction method,freeze-drying method and template method.The applications of several kinds of composite carbon aerogels in strain sensors were reviewed and the development of strain sensors prepared by composite carbon aerogels were prospected.

关 键 词：碳气凝胶 应变传感器 冷冻干燥 复合 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]