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Promising activated carbons derived from waste tea-leaves and their application in high performance supercapacitors electrodes
Peng, Chao1,2,3; Yan, Xing-bin1,2; Wang, Ru-tao1,2; Lang, Jun-wei1,2; Ou, Yu-jing2; Xue, Qun-ji2
2013-01
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号87页码:401-408
摘要In this paper, five types of waste tea-leaves, which come from five of the most typical tea in China, are first used to prepare activated carbons (ACs) by high-temperature carbonization and activation with KOH. The resulting ACs show typical amorphous character, and display porous structures with high specific surface areas ranging from 2245 m(2) g(-1) to 2841 m(2) g(-1). As the electro-active electrode materials, the as-made five ACs exhibit ideal capacitive behaviors in aqueous KOH electrolyte, and the maximal specific capacitance is as high as 330 F g(-1) at the current density of 1 A g(-1). Furthermore, they all show excellent electrochemical cycle stability with similar to 92% initial capacitance being retained after 2000 cycles. The desirable capacitive performances enable the waste tea-leaves to act as a new biomass source of carbonaceous materials for high performance supercapacitors and low-cost energy storage devices. (C) 2012 Elsevier Ltd. All rights reserved.
关键词Activated carbon Tea-leaves Supercapacitors Carbonization Activation
DOI10.1016/j.electacta.2012.09.082
收录类别SCI ; SCIE
语种英语
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000315171100053
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20130315909537
EI主题词Tea
EI分类号701.1 Electricity: Basic Concepts and Phenomena - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds
引用统计
被引频次:401[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/36071
专题兰州理工大学
能源与动力工程学院
通讯作者Yan, Xing-bin
作者单位1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, Lanzhou 730000, Peoples R China;
2.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China;
3.Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Peoples R China
第一作者单位能源与动力工程学院;  兰州理工大学
通讯作者单位能源与动力工程学院
第一作者的第一单位能源与动力工程学院
推荐引用方式
GB/T 7714
Peng, Chao,Yan, Xing-bin,Wang, Ru-tao,et al. Promising activated carbons derived from waste tea-leaves and their application in high performance supercapacitors electrodes[J]. ELECTROCHIMICA ACTA,2013,87:401-408.
APA Peng, Chao,Yan, Xing-bin,Wang, Ru-tao,Lang, Jun-wei,Ou, Yu-jing,&Xue, Qun-ji.(2013).Promising activated carbons derived from waste tea-leaves and their application in high performance supercapacitors electrodes.ELECTROCHIMICA ACTA,87,401-408.
MLA Peng, Chao,et al."Promising activated carbons derived from waste tea-leaves and their application in high performance supercapacitors electrodes".ELECTROCHIMICA ACTA 87(2013):401-408.
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