NDLI: Facile Synthesis of Co 3 O 4 /Mildly Oxidized Multiwalled Carbon Nanotubes/Reduced Mildly Oxidized Graphene Oxide Ternary Composite as the Material for Supercapacitors

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Facile Synthesis of Co 3 O 4 /Mildly Oxidized Multiwalled Carbon Nanotubes/Reduced Mildly Oxidized Graphene Oxide Ternary Composite as the Material for Supercapacitors

Content Provider	Semantic Scholar
Author	Lv, Mei-Yu Liu, Kai-Yu Zhong, Jian-Jian Su, Geng
Copyright Year	2014
Abstract	A three-dimensional (3D) Co3O4/mildly oxidized multiwalled carbon nanotubes (moCNTs)/reduced mildly oxidized graphene oxide (rmGO) ternary composite was prepared via a simple and green hydrolysishydrothermal approach by mixing Co(Ac)2·4H2O with moCNTs and mGO suspension in mixed ethanol/H2O. As characterized by scanning electron microscopy and transmission electron microscopy, Co3O4 nanoparticles with size of 20-100 nm and moCNTs are effectively anchored in mGO. Cyclic voltammetry and galvanostatic charge-discharge measurements were adopted to investigate the electrochemical properties of Co3O4/moCNTs/ rmGO ternary composite in 6 M KOH solution. In a potential window of 0-0.6 V vs. Hg/HgO, the composite delivers an initial specific capacitance of 492 F g at 0.5 A g and the capacitance remains 592 F g after 2000 cycles, while the pure Co3O4 shows obviously capacitance fading, indicating that rmGO and moCNTs greatly enhance the electrochemical performance of Co3O4.
Starting Page	1349
Ending Page	1355
Page Count	7
File Format	PDF HTM / HTML
DOI	10.5012/bkcs.2014.35.5.1349
Volume Number	35
Alternate Webpage(s)	http://ocean.kisti.re.kr/downfile/volume/chemical/JCGMCS/2014/v35n5/JCGMCS_2014_v35n5_1349.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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