摘要:本论文以溶剂热法制备了Ni- MOF电极材料以及在反应釜中进行Ni-MOF和GO的复合构筑,通过扫描电镜和红外仪器进行形貌和成分的分析,并用三电极法,以循环伏安法,表征恒电流充放电循环寿命和电化学性质。结果表明:实验中含5mlGO合成的Ni基MOF的电化学性能最优,0.5A·g-1下的比电容值达到了927F·g-1,而Ni-MOF,在0.5A·g-1下比电容值却只有571Fg-1,说明Ni-MOF与GO达到了预期的复合目的,比不含GO的Ni-MOF样品的比电容高出许多。
毕业论文关键词:氧化石墨烯;储能;MOF;超级电容器;电化学性能
Study on the structure and electrochemical properties of ordered layered Ni-MOF/rGO Composites
Abstract: In this paper, solvent hot prepared Ni-based MOF electrode material as well as Ni-MOF and GO compound in a reaction vessel constructed and analyzed morphology and composition by scanning electron microscopy and infrared instruments, and three-electrode method for the recycling of volts Anfa, characterization constant current charge-discharge cycle life and electrochemical properties. The results showed that: experiments 5mlGO containing Ni-based MOF synthesis of optimal electrochemical performance than the capacitance value 0.5A·g-1 reached under 927F·g-1, The Ni-based MOF, in 0.5A·g-1 lower than the capacitance value but only 571F·g-1, described Ni-MOF and GO achieve the desired purpose complex, higher than the Ni-MOF-free GO sample a number of specific capacitance.
Keywords: Graphene oxide; Storage; MOF; Supercapacitor; Electrochemical performance
目 录
1 绪论 1
1.1 超级电容器的研究进展 1
1.1.1 超级电容器的简介 1
1.1.2 超级电容器的分类 2
1.1.3 超级电容器电极材料 3
1.2 MOF结构与石墨烯的介绍及其应用 4
1.2.1 MOF的简介 4
1.2.2 MOF结构的介绍 4
1.3 MOF修饰石墨烯复合超级电容器材料 5
1.3.1 石墨烯的简介 5
1.3.2 石墨烯制备方法 5
1.3.3 石墨烯的应用 6
1.4 选题的思路 7
2 实验部分 9
2.1 实验原料及仪器 9
2.2实验过程 10
2.2.1 Ni-MOF前驱体的制备 10
2.2.2 氧化石墨烯的制备 11
2.2.3 Ni-MOF/rGO复合材料的制备 12
2.2.4 电极的预处理 13
2.2.5 工作电极的制备 14
2.3测试方法: 14
2.3.1 X射线衍射测试 14
2.3.2 SEM电镜观察 15
2.3.3 FT-IR测试 15
2.3.4 TG-DSC测试 15
2.3.5 电化学性能测试(循环伏安法) 15
3 结果与讨论 16
3.1 氧化石墨烯(GO)合成与表征 有序层状Ni-MOF/rGO复合材料的构筑与电化学性质的研究:http://www.751com.cn/cailiao/lunwen_51764.html