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Large area synthesis of well-dispersed beta-MnO2 nanorods and their electrochemical supercapacitive performances
×÷Õß:Li, ZS (Li, Zesheng)[ 1 ] ; Liu, ZS (Liu, Zhisen)[ 1 ] ; Li, BL (Li, Bolin)[ 1 ] ; Li, DH (Li, Dehao)[ 1 ] ; Liu, ZH (Liu, Zhenghui)[ 1 ] ; Wang, HQ (Wang, Hongqiang); Li, QY (Li, Qingyu)[ 2 ]
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
¾í: 65 Ò³: 544-551
DOI: 10.1016/j.jtice.2016.05.044
³ö°æÄê: AUG 2016
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Highly dispersed beta-MnO2 nanorods are prepared by a simple one-step hydrothermal synthesis method. The structure and morphology of the beta-MnO2 nanorods are investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The supercapacitive performances for the electrode made of beta-MnO2 nanorods are investigated by cyclic voltammetry (CV) and galvanostatic charging-discharging (GCD). The SEM and TEM results show that these beta-MnO2 nanorods have homogeneous 1-D nanostructures in diameter of about 55 nm and length of about 500 nm. When evaluated for supercapacitor electrode, a relatively high specific capacitance of 247.2 Fig is obtained at current density of 1 A/g in 1 mol/L KOH aqueous solution. And desirable rate performance and good cycling stability are also demonstrated for the well-dispersed beta-MnO2 nanorods. (C) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
¹Ø¼ü´Ê
×÷Õ߹ؼü´Ê:Manganese dioxide; One-dimensional nanorods; Hydrothermal synthesis; Supercapacitors
KeyWords Plus:FACILE SYNTHESIS; ENERGY-STORAGE; MNO2; ELECTRODES; COMPOSITE; ROUTE; NANOPARTICLES; DEPOSITION; NANOSHEETS; BATTERIES
×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Li, ZS (ͨѶ×÷Õß)
Guangdong Univ Petrochem Technol, Guangdong Univ, Coll Chem Engn, Dev Ctr Technol Petrochem Pollut Control & Cleane, Maoming 525000, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Li, QY (ͨѶ×÷Õß)
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ Guangxi Normal Univ, Sch Chem & Pharmaceut Sci, Key Lab Low Carbon Energy Mat, Guilin 541004, Peoples R China.
µØÖ·:
[ 1 ] Guangdong Univ Petrochem Technol, Guangdong Univ, Coll Chem Engn, Dev Ctr Technol Petrochem Pollut Control & Cleane, Maoming 525000, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 2 ] Guangxi Normal Univ, Sch Chem & Pharmaceut Sci, Key Lab Low Carbon Energy Mat, Guilin 541004, Peoples R China
µç×ÓÓʼþµØÖ·:lzs212@163.com; ligingyu62@126.com
»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ
National Natural Science Foundation of China
21443006
Provincial Natural Science Foundation of Guangdong
2014A030310179
Guangdong Province Education Department
2014KQNCX200
YQ2015115
Science and Technology Planning Project of Guangdong Province
2014A020216046
Science and Technology Project of Maoming
2014006
Doctor Startup Project
513086
Teaching Reform Project of local University
643026
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ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
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Ñо¿·½Ïò:Engineering
Web of Science Àà±ð:Engineering, Chemical
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ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000380624500055
ISSN: 1876-1070
eISSN: 1876-1089
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IDS ºÅ: DS2OX
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 37
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 1 |
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