supported in part the National Key R&D Program of China under Grant No 2018YFE0200101;the Natural Science Foundation of China under Grant No U1766221;the Shuimu Tsinghua Scholar Program。
ZnO microvaristors/epoxy resin composite has drawn great attention from academia and industry for its adjustable non‐linear conductivity,high mechanical strength,and good ageing resistance.However,the sedimentation o...