摘要
通过化学方法合成,寻找具有比电容优于单一材料的复合电极材料。实验方案通过对聚吡咯/石墨烯与氢氧化镍进行不同比例的化学氧化原位聚合,从而得到三元电极复合材料,釆用SEM(场发射扫描电镜分析)和XRD(X-射线衍射分析)等表征手段对复合材料的结构、形貌进行表征,最后采用电化学工作站测试材料的电化学性能,得出PG∶Ni=8∶2既具有较高的循环稳定性,同时比容量可达91%,能够满足能量储存装置的需要,可用于超级电容器电极材料。
In order to find composite electrode materials with better specific capacitance than single material by chemical synthesis,in this experimental scheme,PPy/GNS and Ni(OH)2 were chemically oxidized in-situ polymerized in different proportions to obtain the ternary complex electrode composite material.The structure and morphology of the composite materials were characterized by SEM(Field Emission Scanning Electron Microscopy)and XRD(X-ray Diffraction Analysis).Finally,the electro-chemical performance of material was tested by electro-chemical workstation,and the results showed that the ternary composite material with PG∶Ni=8∶2 has higher cycle stability,also specific capacity reaches 91%.It is an ideal capacitor electrode material.
作者
强云玥
钱炜
王震
王欣
QIANG Yunyue;QIAN Wei;WANG Zhen;WANG Xin(College of Mechanical Technology,Shanghai University For Science and Technology,Shanghai 200093,China)
出处
《电子器件》
CAS
北大核心
2019年第2期276-280,共5页
Chinese Journal of Electron Devices
关键词
电极材料
电学性能
聚吡咯
石墨烯
氢氧化镍
electrode material
electrical properties
PPY(polypyrrole)
GNS
Ni(OH)2(nickel hydroxide)
