Sodium-Doped Mesoporous Ni2P2O7 Hexagonal Tablets for High-Performance Flexible All-Solid-State Hybrid Supercapacitors.
作者： Chengzhen Wei , Cheng Cheng , Shanshan Wang , Yazhou Xu , Jindi Wang
关键词: Hydrothermal synthesis 、 Chemical engineering 、 Chemistry 、 Calcination 、 Nanotechnology 、 Mesoporous material 、 Porosity 、 Supercapacitor 、 Capacitance 、 Doping 、 Electrode
摘要: A simple hydrothermal method has been developed to prepare hexagonal tablet precursors, which are then transformed into porous sodium-doped Ni2P2O7 tablets by a calcination method. The obtained samples were evaluated as electrode materials for supercapacitors. Electrochemical measurements show that the based on exhibits specific capacitance of 557.7 F g(-1) at current density 1.2 A g(-1) . Furthermore, successfully used construct flexible solid-state hybrid device is highly and achieves maximum energy 23.4 Wh kg(-1) good cycling stability after 5000 cycles, confirms Ni2P2 O7 promising active
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