A hydrothermal carbonization process for the preparation of activated carbons from hemp straw: an efficient electrode material for supercapacitor application
Jiang, Xia1,2; Shi, Gaofeng1; Wang, Guoying1; Mishra, Puranjan3; Liu, Chao1; Dong, Yucan1; Zhang, Peng1; Tian, Haoqi1; Liu, Yanrong1; Wang, Zhao1
2019-07
发表期刊IONICS
ISSN0947-7047
卷号25期号:7页码:3299-3307
摘要In the present study, a hemp straw activated carbon (HSAC) was simply prepared by hydrothermal process followed by a pre-oxidization and carbonization by KOH solid-state activation. The as-synthesized HSAC shows abundant porosity, which is designed to be beneficial to the fast transportation of electrolyte. The preparation conditions for HSACs under different mass ratios of KOH:precursors were optimized, and the sample obtained by a mass ratio of 4:1 showed an outstanding capacitive property (specific capacitance of 279Fg(-1) at 0.5Ag(-1) current density). Besides, the capacitance of 91.6% was retained after 5000 charge-discharge cycles under 2Ag(-1) current density. The resulting symmetrical supercapacitor obtained by using the HSAC electrodes exhibited an excellent electrochemical performance, which successfully illuminated a LED light. The HSAC has great potentials as electrode material for high-performance supercapacitor, which opens a new way for value increment of natural products.
关键词Hydrothermal method Hemp straw Activated carbons Electrode material Supercapacitor
DOI10.1007/s11581-019-02850-8
收录类别SCI ; SCIE
语种英语
资助项目Gansu Provincial Party Committee Young Creative Talents[2017/121]
WOS研究方向Chemistry ; Electrochemistry ; Physics
WOS类目Chemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
WOS记录号WOS:000471637600032
出版者SPRINGER HEIDELBERG
EI入藏号20190706488157
EI主题词Electrochemical electrodes
EI分类号701.1 Electricity: Basic Concepts and Phenomena - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 821.4 Agricultural Products
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/31766
专题石油化工学院
法学院
通讯作者Shi, Gaofeng
作者单位1.Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou, Gansu, Peoples R China;
2.Gansu Vocat Coll Agr, Lanzhou, Gansu, Peoples R China;
3.Univ Malaysia Pahang, Fac Engn Technol, Lebuhraya Tun Razak, Kuantan 26300, Pahang, Malaysia
第一作者单位兰州理工大学
通讯作者单位兰州理工大学
第一作者的第一单位兰州理工大学
推荐引用方式
GB/T 7714
Jiang, Xia,Shi, Gaofeng,Wang, Guoying,et al. A hydrothermal carbonization process for the preparation of activated carbons from hemp straw: an efficient electrode material for supercapacitor application[J]. IONICS,2019,25(7):3299-3307.
APA Jiang, Xia.,Shi, Gaofeng.,Wang, Guoying.,Mishra, Puranjan.,Liu, Chao.,...&Zhang, Hongquan.(2019).A hydrothermal carbonization process for the preparation of activated carbons from hemp straw: an efficient electrode material for supercapacitor application.IONICS,25(7),3299-3307.
MLA Jiang, Xia,et al."A hydrothermal carbonization process for the preparation of activated carbons from hemp straw: an efficient electrode material for supercapacitor application".IONICS 25.7(2019):3299-3307.
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