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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: The carbonization temperature effect on the electrochemical performance of nitrogen-doped carbon monoliths
作者: Zhang, ZX(张振兴); Zhang, YX; Mu, XM; Du, JW; Wang, H; Huang, BY; Zhou, JY(周金元); Pan, XJ(潘孝军); Xie, EQ(谢二庆)
收录类别: SCIE
出版日期: 2017-07-10
刊名: ELECTROCHIMICA ACTA
卷号: 242, 页码:100-106
出版者: PERGAMON-ELSEVIER SCIENCE LTD
出版地: OXFORD
英文摘要: Three-dimensional flexible nitrogen-doped carbon monoliths (3DNC) were prepared by one-step carbonization method of commercially available melamine foam. The carbonization temperature effect on the electrochemical performance of nitrogen-doped carbon monoliths was investigated. With the increase of carbonization temperature, the specific capacitance of binder-free 3DNC electrode intensifies up to 221 F g(-1) at a current density of 0.5 A g(-1) at 950 degrees C in 2 M NaOH and weaken for higher temperature, which can be explained by the balance between nitrogen doping concentration and the specific surface area at different carbonization temperature. Further, the optimized 3DNC exhibits 96% retention after 5000 cycles measurements, indicating its superior long-term stability. Moreover, the assembled symmetric device outputs the maximum energy density of 9.34 Wh kg(-1) as well as the maximum power density of 6.9 kW kg(-1). These results demonstrate the potential application of the designed 3DNC structures for energy storage devices. (C) 2017 Elsevier Ltd. All rights reserved.
关键词: supercapacitors ; carbon monolith ; pseudocapacitance ; melamine foam ; energy storage
作者部门: [Zhang, Zhenxing ; Zhang, Yaxiong ; Mu, Xuemei ; Du, Jingwei ; Wang, Huan ; Huang, Baoyu ; Zhou, Jinyuan ; Pan, Xiaojun ; Xie, Erqing] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China ; [Zhang, Zhenxing ; Zhang, Yaxiong ; Mu, Xuemei ; Du, Jingwei ; Wang, Huan ; Huang, Baoyu ; Zhou, Jinyuan ; Pan, Xiaojun ; Xie, Erqing] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Lanzhou 730000, Peoples R China
通讯作者: Zhang, ZX (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China. ; Zhang, ZX (reprint author), Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Lanzhou 730000, Peoples R China.
学科分类: Electrochemistry
文章类型: Article
所属项目编号: National Natural Science Foundation of China [51302122, 51572118] ; Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University [LZUMMM2016010] ; Fundamental Research Funds for the Central Universities [lzujbky-860268]
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; LZU
语种: 英语
DOI: 10.1016/j.electacta.2017.05.016
ISSN号: 0013-4686
WOS记录号: WOS:000403115200012
IR记录号: WOS:000403115200012
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/189727
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Zhang ZX,Yaxiong Zhang,Xuemei Mu,et al. The carbonization temperature effect on the electrochemical performance of nitrogen-doped carbon monoliths[J]. Electrochimica Acta,2017,242(null):100–106.
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