| 机械化学法制备高比表面积碳负载NiO超级电容器材料 |
| |
| 引用本文： | 张伟,徐洪峰.机械化学法制备高比表面积碳负载NiO超级电容器材料[J].大连铁道学院学报,2009(6):53-56. |
| |
| 作者姓名： | 张伟 徐洪峰 |
| |
| 作者单位： | 大连交通大学环境与化学工程学院; |
| |
| 基金项目： | 国家自然科学基金资助项目(20776023) |
| |
| 摘 要： | 采用机械化学法制备NiO/C复合电容材料,用X射线（XRD）和透射电镜（TEM）研究了复合电容材料的晶型、形貌及粒径;用循环伏安、恒电流充放电和交流阻抗研究了其超级电容性能.研究结果表明：NiO/C复合材料球磨20 h后粒径由30 nm减小到为15 nm左右,在5 mA/cm^2电流密度下材料的比电容由球磨前的74 F/g增大到170 F/g,电极电化学反应的等效串联内阻由1.355Ω减小到0.81Ω.
|
| 关 键 词： | 超级电容器 氧化镍 机械化学 活性炭 |
Mechanochemical Synthesis of High Surface Area Carbon Deposited Supercapacitor Materials NiO |
| |
| ZHANG Wei,XU Hong-feng.Mechanochemical Synthesis of High Surface Area Carbon Deposited Supercapacitor Materials NiO[J].Journal of Dalian Railway Institute,2009(6):53-56. |
| |
| Authors: | ZHANG Wei XU Hong-feng |
| |
| Institution: | ZHANG Wei,XU Hong-feng(School of Environmental , Chemical Engineering,Dalian Jiaotong University,Dalian 116028,China) |
| |
| Abstract: | A composite material capacitance NiO/C was synthesized by mechano-chemical route.X-ray diffraction(XRD) and transmission electron microscopy(TEM) were used to study the crystalline material morphology and particle size,and cyclic voltammetry(CV),galvanostatic charge-discharge and AC impedance were empilyed to evaluate the performance of the super-capacitor.The results show that the particle size of the NiO/C is reduced from 30 nm to 15 nm after 20 hour ball milling.The capacitance is increased from 74 F/g t... |
| |
| Keywords: | supercapacitor nickel oxide mechanochemical method activate carbon |
| 本文献已被 CNKI 维普 等数据库收录！ |
