As a supercapacitor electrode, the graphene/polyaniline(PANI) composite sponge with a three-dimensional(3D)porous network structure is synthesized by a simple three-step method. The three steps include an in situ polymerization,freeze-drying and reduction by hydrazine vapor. The prepared sponge has a large specific surface area and porous network structure, so it is in favor of spreading the electrolyte ion and increasing the charge transfer efficiency of the system.The process of preparation is simple, eas...
【英文摘要】
As a supercapacitor electrode, the graphene/polyaniline(PANI) composite sponge with a three-dimensional(3D)porous network structure is synthesized by a simple three-step method. The three steps include an in situ polymerization,freeze-drying and reduction by hydrazine vapor. The prepared sponge has a large specific surface area and porous network structure, so it is in favor of spreading the electrolyte ion and increasing the charge transfer efficiency of the system.The process of preparation is simple, eas...
【基金】
supported by the Natural Science Foundation from Harbin University of Science and Technology and Harbin Institute of Technology
【更新日期】
2016-04-14
【分类号】
TM53
【正文快照】
1.Introductionthere is still a great challenge to the full use of the large surfacearea of graphene layers.The problem is that graphene mayAs a single layer of carbon atoms,graphene whichwas discovered in 2004 by Novoselov et al.[1,2]easily form irreversi
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