Preparation of three-dimensional porous graphene/ruthenium oxide nano-composite for high performance supercapacitors by electrochemical method

被引：2
|
作者：
He, Hanwei [1 ]
Li, Meng [1 ]
机构：
[1] Cent S Univ, State Key Lab Powder Met, Changsha, Hunan, Peoples R China
来源：
INTEGRATED FERROELECTRICS | 2018年 / 189卷 / 01期
关键词：
Graphene; ruthenium oxide; nano-composite; electrodeposition and one-step; ELECTRODE MATERIAL; CARBON MATERIALS; HYDROUS RUO2; NICKEL FOAM; GRAPHENE; ARRAYS; NANOCOMPOSITE; REDUCTION; SHEETS;
D O I：
10.1080/10584587.2018.1456181
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A facile one-step electrodeposition method to synthesis of ruthenium oxide/ graphene (ERG/RuO2) nano-composite has been developed. The SEM and TEM revealed the three-dimensional (3D) porous ERG decorated by RuO2 nanoparticle with the size of less than 5nm. The electrochemical tests showed that the ERG/RuO2 nanocomposites exhibited distinct pseudocapacitive characteristic with a high specific capacitance and an outstanding rate capability, and even after 5000 cycles the capacity retention was still maintained at 80.2%. These results suggest that ERG/RuO2 electrode as electrode material of supercapacitor has great prospects.
引用
收藏
页码：147 / 157
页数：11
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