The mechanical brittleness and structure collapse of three-dimensional (3D) graphene composite construction is still an enormous issue in flexible performance of complex. In addition, low temperature and efficient process become increasingly significant and noticeable in field of semiconductor device to prevent from huge resource waste and energy consumption. Herein, we report a special method to prepare 3D graphene/polyimide (rGO/PI) aerogel with low temperature and rapid procedure. The aerogel is synthesized by introducing water-soluble polyamic acid ionic salt (PAS) and ice-templating directional solidification to establish unique oriented structure, and by energy-efficient microwave to realize low temperature and rapid imidization. The preparative rGO/PI nanocomposite aerogels hold excellent electrical conductivity, desirable flexibility, superior pressure-responsive properties, remarkable compression sensitivity and durability, so that adapt to multifarious deformations with huge potential for flexible wearable devices.

三维（3D）石墨烯复合结构的机械脆性和结构崩溃仍然是复合物柔性性能中的一个巨大问题。另外，在半导体器件领域，低温和有效的工艺变得越来越重要和引人注目，以防止巨大的资源浪费和能量消耗。在本文中，我们报告了一种特殊的方法，该方法可快速且低温地制备3D石墨烯/聚酰亚胺（rGO / PI）气凝胶。通过引入水溶性聚酰胺酸离子盐（PAS）和冰模板定向固化以建立独特的定向结构，并通过节能微波实现低温和快速酰亚胺化来合成气凝胶。制备的rGO / PI纳米复合气凝胶具有出色的导电性，理想的柔韧性，