Highly flexible supercapacitors with manganese oxide nanosheet/carbon cloth electrode

被引:219
作者
Chen, Ying-Chu [1 ]
Hsu, Yu-Kuei [2 ]
Lin, Yan-Gu [1 ]
Lin, Yu-Kai [3 ,4 ]
Horng, Ying-Ying [3 ]
Chen, Li-Chyong [1 ]
Chen, Kuei-Hsien [1 ,3 ]
机构
[1] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan
[2] Natl Dong Hwa Univ, Dept Optoelect Engn, Hualien 97401, Taiwan
[3] Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan
[4] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
关键词
Supercapacitors; MnO2; Nanosheet; Flexible; Birnessite; ELECTROCHEMICAL PROPERTIES; CAPACITIVE CHARACTERISTICS; CARBON NANOTUBES; MNO2; DEPOSITION; NANOWIRES; SURFACE; AREA;
D O I
10.1016/j.electacta.2011.05.090
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
We report a simple and cost-effective synthesis of hierarchically porous structure composed of Birnessite-type manganese dioxide (MnO2) nanosheets on flexible carbon cloth (CC) via anodic electrodeposition technique. Petal-shaped MnO2, having sheet thickness of a few nm and typical width of 100 nm, with a strong adhesion on CC is observed. This hierarchically porous MnO2-CC hybrid structure dose exhibit not only excellent capacitance properties, such as up to 425 Fg(-1) in specific capacitance, but also high crack resistance owing to its efficient release of bending stress, as observed by cyclic voltammetry and galvanostatic charge/discharge measurements under different curvature of bending configurations. Furthermore, flexible supercapacitors based on this kind of MnO2 nanosheet/CC electrode showed significantly improved stability in capacitive performance over 3000 cycles under the bending test, which is highly promising for future applications in flexible energy storage device. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7124 / 7130
页数:7
相关论文
共 38 条
[1]  
[Anonymous], 1999, ELECTROCHEMICAL SUPE
[2]   Variation of the MnO2 birnessite structure upon charge/discharge in an electrochemical supercapacitor electrode in aqueous Na2SO4 electrolyte [J].
Athouel, Laurence ;
Moser, Francois ;
Dugas, Romain ;
Crosnier, Olivier ;
Belanger, Daniel ;
Brousse, Thierry .
JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (18) :7270-7277
[3]   Long-term cycling behavior of asymmetric activated carbon/MnO2 aqueous electrochemical supercapacitor [J].
Brousse, Thierry ;
Taberna, Pierre-Louis ;
Crosnier, Olivier ;
Dugas, Romain ;
Guillemet, Philippe ;
Scudeller, Yves ;
Zhou, Yingke ;
Favier, Frederic ;
Belanger, Daniel ;
Simon, Patrice .
JOURNAL OF POWER SOURCES, 2007, 173 (01) :633-641
[4]   A novel electrochemical process to prepare a high-porosity manganese oxide electrode with promising pseudocapacitive performance [J].
Chang, Jeng-Kuei ;
Hsu, Shih-Hsun ;
Tsai, Wen-Ta ;
Sun, I-Wen .
JOURNAL OF POWER SOURCES, 2008, 177 (02) :676-680
[5]   Electrodeposition synthesis and electrochemical properties of nanostructured γ-MnO2 films [J].
Chou, Shulei ;
Cheng, Fangyi ;
Chen, Jun .
JOURNAL OF POWER SOURCES, 2006, 162 (01) :727-734
[6]   Arrayed CNxNT-RuO2 nanocomposites directly grown on Ti-buffered Si substrate for supercapacitor applications [J].
Fang, Wei-Chuan ;
Chyan, Oliver ;
Sun, Chia-Liang ;
Wu, Chien-Ting ;
Chen, Chin-Pei ;
Chen, Kuel-Hsien ;
Chen, Li-Chyong ;
Huang, Jin-Hua .
ELECTROCHEMISTRY COMMUNICATIONS, 2007, 9 (02) :239-244
[7]   Incorporation of homogeneous, nanoscale MnO2 within ultraporous carbon structures via self-limiting electroless deposition:: Implications for electrochemical capacitors [J].
Fischer, Anne E. ;
Pettigrew, Katherine A. ;
Rolison, Debra R. ;
Stroud, Rhonda M. ;
Long, Jeffrey W. .
NANO LETTERS, 2007, 7 (02) :281-286
[8]   Flexible supercapacitor based on polyaniline nanowires/carbon cloth with both high gravimetric and area-normalized capacitance [J].
Horng, Ying-Ying ;
Lu, Yi-Chen ;
Hsu, Yu-Kuei ;
Chen, Chia-Chun ;
Chen, Li-Chyong ;
Chen, Kuei-Hsien .
JOURNAL OF POWER SOURCES, 2010, 195 (13) :4418-4422
[9]   Investigation on capacity fading of aqueous MnO2•nH2O electrochemical capacitor [J].
Hsieh, Yi-Chien ;
Lee, Kuang-Tsin ;
Lin, Yen-Po ;
Wu, Nae-Lih ;
Donne, Scott W. .
JOURNAL OF POWER SOURCES, 2008, 177 (02) :660-664
[10]   Reversible phase transformation of MnO2 nanosheets in an electrochemical capacitor investigated by in situ Raman spectroscopy [J].
Hsu, Yu-Kuei ;
Chen, Ying-Chu ;
Lin, Yan-Gu ;
Chen, Li-Chyong ;
Chen, Kuei-Hsien .
CHEMICAL COMMUNICATIONS, 2011, 47 (04) :1252-1254