Preparation of activated carbon from cotton stalk and its application in supercapacitor
Chen, MD (Chen, Mingde); Kang, XY (Kang, Xueya); Wumaier, T (Wumaier, Tuerdi); Dou, JQ (Dou, Junqing); Gao, B (Gao, Bo); Han, Y (Han, Ying); Xu, GQ (Xu, Guoqing); Liu, ZQ (Liu, Zhiqiang); Zhang, L (Zhang, Lu); Kang, XY
2013
Source PublicationJOURNAL OF SOLID STATE ELECTROCHEMISTRY
ISSN1432-8488
Volume17Issue:4Pages:1005-1012
Abstract

High specific capacitance and low cost are the critical requirements for a practical supercapacitor. In this paper, a new activated carbon with high specific capacitance and low cost was prepared, employing cotton stalk as the raw material, by using the phosphoric acid (H3PO4) chemical activation method. The optimized conditions were as follows: the cotton stalk and activating agent with a mass ratio of 1:4 at an activation temperature of 800 A degrees C for 2 h. The samples were characterized by nitrogen adsorption isotherms at 77 K. The specific surface area and pore volume of activated carbon were calculated by Brunauer-Emmett-Teller (BET) and t-plot methods. With these experimental conditions, an activated carbon with a BET surface area of 1,481 cm(2) g(-1) and micropore volume of 0.0377 cm(3) g(-1) was obtained. The capacitance of the prepared activated carbon was as high as 114 F g(-1).The results indicate that cotton stalk can produce activated carbon electrode materials with low cost and high performance for electric double-layer capacitor.

KeywordSupercapacitor Activated Carbon Cotton Stalk Specific Area H3po4 Activation
Subject AreaElectrochemistry
DOI10.1007/s10008-012-1946-6
Indexed BySCI
WOS IDWOS:000316088000010
Citation statistics
Cited Times:67[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2285
Collection新疆维吾尔自治区电子信息材料与器件重点实验室
Corresponding AuthorKang, XY
AffiliationChinese Acad Sci, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Xinjiang, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chen, MD ,Kang, XY ,Wumaier, T ,et al. Preparation of activated carbon from cotton stalk and its application in supercapacitor[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2013,17(4):1005-1012.
APA Chen, MD .,Kang, XY .,Wumaier, T .,Dou, JQ .,Gao, B .,...&Kang, XY.(2013).Preparation of activated carbon from cotton stalk and its application in supercapacitor.JOURNAL OF SOLID STATE ELECTROCHEMISTRY,17(4),1005-1012.
MLA Chen, MD ,et al."Preparation of activated carbon from cotton stalk and its application in supercapacitor".JOURNAL OF SOLID STATE ELECTROCHEMISTRY 17.4(2013):1005-1012.
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