Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites Xu Yan 1, Liang Qiao 1, Hao Tan 2, Hongsheng Tan 1,* , Changheng Liu 3, Kaili Zhu 3, Zhitao Lin 1 and Shanshan Xu 1 1 School of Materials Science and Engineering, Shandong University of Technology, Zibo 255049, Ch...