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题名: Robust wire-based supercapacitors based on hierarchical α-MoO3 nanosheet arrays with well-aligned laminated structure
作者: Chen, JY; Han, S; Zhao, H; Bai, JL; Wang, LZ; Sun, GZ; Zhang, ZX(张振兴); Pan, XJ(潘孝军); Zhou, JY(周金元); Xie, EQ(谢二庆)
收录类别: SCIE
出版日期: 2017-07-15
刊名: CHEMICAL ENGINEERING JOURNAL
卷号: 320, 页码:34-42
出版者: ELSEVIER SCIENCE SA
出版地: LAUSANNE
英文摘要: Due to their high pseudocapacitance and laminated structure, alpha-MoO3 nanosheets have been considered as one of the promising electrode materials of energy storage devices. In this work, hierarchical alpha-MoO3 nanosheet arrays have been in-situ grown on Mo wires (MoO3-Mo wires) via one-step calcination in air. The obtained MoO3-Mo wires possess well aligned laminated structure, which will benefit intercalation of Li-ion into the electrodes. Thus, a type of Li-ion electrolyte was applied in the assembled wire-based supercapacitors (WSCs). Electrochemical tests showed that the MoO3-Mo single wire electrodes can exhibit high capacitance (7.68 mF cm(-1) at 2 mV s(-1)) and excellent cycling stability (nearly 100% after 4000 cycles). Moreover, series of optimization tries indicated that the laminated structure of MoO3 nanosheet arrays can be well tuned by calcination temperature and time, accordingly resulting in the optimized electrochemical performance. Furthermore, the assembled all-solid state symmetrical WSCs based on MoO3-Mo wires showed high energy density (similar to 1.04 mW h cm(-3)), high cycling stability, and good flexibility. (C) 2017 Elsevier B.V. All rights reserved.
关键词: Wire-based supercapacitors ; Molybdenum trioxide ; All-solid state ; Flexibility
作者部门: [Chen, Jiayi ; Han, Sheng ; Zhao, Hao ; Bai, Jinglong ; Wang, Lizheng ; Zhang, Zhenxing ; Pan, Xiaojun ; Zhou, Jinyuan ; Xie, Erqing] Lanzhou Univ, Sch Phys Sci & Technol, Inst Elect Mat, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China ; [Sun, Gengzhi] Nanjing Tech Univ, Key Lab Flexible Elect KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China ; [Sun, Gengzhi] Nanjing Tech Univ, Inst Adv Mat, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
通讯作者: Zhou, JY ; Xie, EQ (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, Inst Elect Mat, 222 South Tianshui Rd, Lanzhou 730000, Peoples R China.
学科分类: Engineering
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11474135, 51572118, 11674140] ; Fundamental Research Funds for the Central Universities in China [lzujbky-2015-110]
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.cej.2017.03.041
ISSN号: 1385-8947
WOS记录号: WOS:000401202200005
IR记录号: WOS:000401202200005
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/185696
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Chen, Jiayi,Han, Sheng,Zhao, Hao,et al. Robust wire-based supercapacitors based on hierarchical α-MoO3 nanosheet arrays with well-aligned laminated structure[J]. Chemical Engineering Journal,2017,320(null):34-42.
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