Ultrasound-assisted preparation of electrospun carbon nanofiber/graphene composite electrode for supercapacitors
Ultrasound-assisted preparation of electrospun carbon nanofiber/graphene composite electrode for supercapacitors
复制标题
超声辅助制备超级电容器用静电纺碳纳米纤维/石墨烯复合电极
DOI：
10.1016/j.jpowsour.2013.06.060
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发表时间：
2013-12-01
影响因子：
9.2
通讯作者：
Qiu, Jieshan
中科院分区：
文献类型：
--
作者：
Dong, Qiang;Wang, Gang;Qiu, Jieshan
采用电纺法制备碳纳米纤维/石墨烯(CNF/G)复合材料，采用原位电纺法制备碳纳米纤维/石墨烯复合材料。独立的碳纳米纤维网作为维持石墨烯的框架，有助于防止石墨烯的团聚，并为有效地将电荷转移到孔隙提供高导电性。所得CNF/G复合材料的比电容为183Fg(-1)，约为原始CNF的1.6倍。结果表明，CNF/G复合材料的高性能是由于石墨烯的新颖结构以及石墨烯和碳纳米纤维的协同作用。(C)2013爱思唯尔B.V.保留所有权利。
Electrospun carbon nanofiber/graphene (CNF/G) composites are prepared by in situ electrospinning polymeric nanofibers with simultaneous spraying graphene oxide, followed by heat treatment. The freestanding carbon nanofiber web acts as a framework for sustaining graphene, which helps to prevent the agglomeration of graphene and to provide a high conductivity for the efficient charge transfer to the pores. The as-obtained CNF/G composite exhibits a specific capacitance of 183 F g(-1), which is approximately 1.6 times higher than that of the pristine CNF. The results have demonstrated that the high performance of the CNF/G composite is due to the novel structure and the synergic effect of graphene and the carbon nanofibers. (C) 2013 Elsevier B.V. All rights reserved.