Rapid microwave-assisted synthesis of graphene nanosheet/Co3O4 composite for supercapacitors

Yan, Jun; Wei, Tong; Qiao, Wenming; Shao, Bo; Zhao, Qiang; Zhang, Lijun; Fan, Zhuangjun

doi:10.1016/j.electacta.2010.06.081

Cited by 471 publications

(219 citation statements)

References 34 publications

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“…carbon nanotubes [2], carbon [3] and graphene [4]) and transition metal oxides (e.g. Co 3 O 4 [5,6], NiO [7], RuO 2 [8], SnO 2 [9], MnO 2 [10], V 2 O 5 [11], and so forth). Recently, graphene has been shown to be an effective material for constructing supercapacitor electrodes due to its large surface area, high mechanical stability and electrical conductivity [12,13].…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal synthesis of simonkolleite microplatelets on nickel foam-graphene for electrochemical supercapacitors

Khamlich

Bello

Fabiane

et al. 2013

J Solid State Electrochem

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Nickel foam-graphene (NF-G) was synthesised by chemical vapour deposition (CVD) followed by facial in situ aqueous chemical growth of simonkolleite (Zn 5 (OH) 8 Cl 2 ·H 2 O) under hydrothermal conditions to form NF-G/simonkolleite composite. X-ray diffraction and Raman spectroscopy show the presence of simonkolleite on the NF-G, while scanning electron and transmission electron microscopies show simonkolleite micro-plates like structure evenly distributed on the NF-G. Electrochemical measurements of the composite electrode give a specific capacitance of 350 Fg -1 at current density of 0.7 Ag -1 for our device measured in three-electrode configuration. The composite also shows a rate capability of 87% capacitance retention at a high current density of 5 Ag -1 , which makes it a promising candidate as an electrode material for supercapacitor applications.

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Section: Introductionmentioning

confidence: 99%

Hydrothermal synthesis of simonkolleite microplatelets on nickel foam-graphene for electrochemical supercapacitors

Khamlich

Bello

Fabiane

et al. 2013

J Solid State Electrochem

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“…Up to now, the RGO sheets have been widely composited with diverse oxide semi-conductors and they have found many potential applications in supercapacitors [22], Li ion battery [23] etc. Since the EC performance depends strongly on the diffusion of ions in the EC materials].…”

Section: List Of Tablesmentioning

confidence: 99%

Heat resistant polymer electrolyte for enhanced organic electrochromic windows based on poly (3,3-dimethyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine)

2014

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“…Similarly, another study on the graphene/Co 3 O 4 nanocomposite in 6 M KOH exhibited speci¯c capacitance of 243 F/g and 95.6% capacitance retention after 2000 cycles, indicating graphene not only acts as a conductive agent but also as a bu®er to prevent the volume change in Co 3 O 4 electrodes. 99 A novel system consisting of conductive carbon¯ber paper coated with Co 3 O 4 nanowire network demonstrates high speci¯c capacitance (1124 F/g) with remarkable durability up to 5000 cycles. Obviously, such unique electrode design has facilitated stress relaxation during cycling and enhanced ion/electron di®usion with improved kinetics of redox reactions.…”

Section: Cobalt Oxide (Co X O Y )-Based Compositesmentioning

confidence: 99%

A Review of Metal Oxide Composite Electrode Materials for Electrochemical Capacitors

Khiew

Isa

et al. 2014

NANO

161

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With the emerging technology in the 21st century, which requires higher electrochemical performances, metal oxide composite electrodes in particular o®er complementary properties of individual materials via the incorporation of both physical and chemical charge storage mechanism together in a single electrode. Numerous works reviewed herein have identi¯ed a wide variety of attractive metal oxide-based composite electrode material for symmetric and asymmetric electrochemical capacitors. The focus of the review is the detailed literature data and discussion regarding the electrochemical performance of various metal oxide composite electrodes fabricated from di®erent con¯gurations including binary and ternary composites. Additionally, projection of future development in hybrid capacitor coupling lithium metal oxides and carbonaceous materials are found to obtain signi¯cantly higher energy storage than currently available commercial electrochemical capacitors. This review describes the novel concept of lithium metal oxide electrode materials which are of value to researchers in developing high-energy and 1430002-1 NANO: Brief Reports and Reviews Vol. 9, No. 6 (2014) enhanced-cyclability electrochemical capacitors comparable to Li-ion batteries. In order to fully exploit the potential of metal oxide composite electrode materials, developing low cost, environment-friendly nanocomposite electrodes is certainly a research direction that should be extensively investigated in the future.

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Rapid microwave-assisted synthesis of graphene nanosheet/Co3O4 composite for supercapacitors

Cited by 471 publications

References 34 publications

Hydrothermal synthesis of simonkolleite microplatelets on nickel foam-graphene for electrochemical supercapacitors

Hydrothermal synthesis of simonkolleite microplatelets on nickel foam-graphene for electrochemical supercapacitors

Heat resistant polymer electrolyte for enhanced organic electrochromic windows based on poly (3,3-dimethyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine)

A Review of Metal Oxide Composite Electrode Materials for Electrochemical Capacitors

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