Fe-based phosphate nanostructures for supercapacitors |
| |
Authors: | Bing Li Huan Pang Huaiguo Xue |
| |
Institution: | School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China |
| |
Abstract: | Fe-based phosphates with excellent physical and chemical features are potential electrode materials for supercapacitors.In this work,we successfully synthesized Fe-based phosphates with different dimensions,morphologies,and compositions by one-step hydrothermal method.Influence factors on the chemical composition and morphology of the as-prepared materials were explored and the energy storage performance of the as-prepared samples were tested under the traditional three electrode system.Two-dimensional(2 D) iron metaphosphate(Fe(PO_3)_3) showed the best electrochemical performance.For Fe(PO_3)_3 electrode mate rials,the layered structure can provide a larger specific surface area than the bulk structure,which is conducive to the diffusion and transport of electrolyte ions during charging-discha rging and further improve s the rate perfo rmance and cycle stability of supe rcapacito r.2 D Fe(PO_3)_3 and activated carbon were used as electrode materials to construct a 2 D Fe(PO_3)_3//AC supercapacitor.The supercapacitor showed high energy density,high power density,and excellent cycling stability,which indicates 2 D Fe(PO_3)_3 is a promising electrode material for supercapacitors. |
| |
Keywords: | Two-dimensional Fe-based phosphate Electrode material Supercapacitor |
本文献已被 CNKI ScienceDirect 等数据库收录! |
|