title: Synchronous exfoliation and assembly of graphene on 3D Ni(OH)2for supercapacitors.
abstract: Nowadays, new approaches to fabricate high-performance electrode materials are of vital importance in the renewable energy field. Here, we present a facile synthesis procedure of 3D Ni(OH)2/graphene hybrids for supercapacitors via synchronous electrochemical-assisted exfoliation and assembly of graphene on 3D Ni(OH)2networks. With the assistance of an electric field, the electrochemically exfoliated high-quality graphene can be readily, uniformly assembled on the surfaces of 3D Ni(OH)2. When serving as electrode materials for supercapacitors, the resulting 3D Ni(OH)2/graphene composites exhibited excellent specific capacitance (263 mF cm-2at 2 mA cm-2), remarkable rate capability and super-long cycle life (retention of 94.1% even after 10 000 continuous charge-discharge cycles), which may be attributed to their highly porous, stable 3D architecture as well as uniform, firm anchoring of ultrathin graphene on their surfaces. Therefore, our approach provides a facile strategy for the large-scale synthesis of high-quality graphene based composites towards various applications.
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn.
authors: Liguo
authors: L
authors: Ma
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P. R. China.
authors: Maojun
authors: M
authors: Zheng
authors: Center for Advancing Electronics Dresden (cfaed) & Department of Chemistry and Food Chemistry, Dresden, 01062, Germany. shaohua.liu@tu-dresden.de.
authors: Shaohua
authors: http://orcid.org/0000-0001-9079-5334
authors: S
authors: Liu
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn.
authors: Qiang
authors: Q
authors: Li
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn.
authors: Yuxiu
authors: Y
authors: You
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn.
authors: Faze
authors: F
authors: Wang
authors: School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China.
authors: Li
authors: L
authors: Ma
authors: Key Laboratory of Artificial Structure and Quantum Control, Ministry of Education, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China. mjzheng@sjtu.edu.cn.
authors: Wenzhong
authors: W
authors: Shen