Preparation of a binder-free electrode with 3D on 2D hierarchical structure through ZIF-67 growth on Co(OH)2 for achieving a high-performance supercapacitor

Xiaoxia Hu, Ying Xiao, Xiaodan Liu, Xiaodan Liu, Chunhua Wang, Ping Xu, Tiantian Tan, Haiyan Yue, Yanjun Xing, Xiaojie Liu, Xiaojie Liu