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题名: Activated carbon/graphene composites with high-rate performance as electrode materials for electrochemical capacitors
作者: Jiang, Lei1, 3, 4;  Yan, Jingwang1, 2;  Zhou, Ying3;  Hao, Lixing1, 2;  Xue, Rong1, 2;  Jiang, Liang1, 2;  Yi, Baolian1, 2
关键词: Graphene ;  Glucose ;  Activated carbon ;  Electrochemical capacitors
刊名: JOURNAL OF SOLID STATE ELECTROCHEMISTRY
发表日期: 2013-11-01
DOI: 10.1007/s10008-013-2217-x
卷: 17, 期:11, 页:2949-2958
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: Glucose-derived activated carbon (GAC)/reduced graphene oxide (RGO) composites are prepared by pre-carbonization of the precursors (aqueous mixture of glucose and graphene oxide) and KOH activation of the pyrolysis products. The effect of the mass ratio of graphene oxide (GO) in the precursor on the electrochemical performance of GAC/RGO composites as electrode materials for electrochemical capacitors is investigated. It is found that the thermally reduced graphene oxide sheets serves as a wrinkled carrier to support the activated carbon particles after activation. The pore size distribution and surface area are depended on the mass ratio of GO. Besides, the rate capability of GAC is improved by the introduction of GO in the precursor. The highest specific capacitance of 334 F g(-1) is achieved for the GAC/RGO composite prepared from the precursor with a GO mass ratio of 3 %.
关键词[WOS]: DOUBLE-LAYER CAPACITORS ;  CHEMICAL ACTIVATION ;  CARBON MATERIALS ;  MESOPOROUS CARBON ;  ENERGY-STORAGE ;  PORE-SIZE ;  STARCH ;  SUPERCAPACITORS ;  NANOTUBES ;  PRECURSOR
语种: 英语
WOS记录号: WOS:000325615000024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137684
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Supercapacitors, Dalian 116023, Peoples R China
2.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Sch Chem Engn, Liaoning Key Lab Energy Mat & Chem Engn, Carbon Res Lab,State Key Lab Fine Chem, Dalian 116024, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Jiang, Lei,Yan, Jingwang,Zhou, Ying,et al. Activated carbon/graphene composites with high-rate performance as electrode materials for electrochemical capacitors[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2013,17(11):2949-2958.
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