Studies on activated carbon capacitor materials loaded with different amounts of ruthenium oxide

Ramani, M.P.S.; Haran, Bala; White, Ralph E.; Popov, Branko N.; Arsov, Ljubomir

doi:10.1016/s0378-7753(00)00575-9

Cited by 92 publications

(52 citation statements)

References 16 publications

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“…have been intensively studied as ES materials. 123,192,193,209,213,221,223,231,233,234,[245][246][247][248][249][250][251][252][253][254][255][256][257][258][259][260][261][262] The quantity of RuO 2 required in the electrode layer has thereby been reduced significantly, and higher specific capacitances have been achieved, such as 256 201 It is necessary to point out that many investigators utilized a very high annealing temperature to obtain RuO 2 /carbon composites. 247 Obviously, as mentioned previously, high temperature will lead to higher crystallinity, compromising the utilization of RuO 2 .…”

Section: Ruomentioning

confidence: 99%

“…It was also reported that RuO 2 particles prepared via NaHCO 3 titration were smaller than those produced by NaOH titration. 212 According to Ramani et al, 213 varying the deposition temperature and/or pH can control the cluster size in the process of electroless deposition. Using a template method, the particle size of RuO 2 ÁxH 2 O can be controlled by altering the template size.…”

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confidence: 99%

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A review of electrode materials for electrochemical supercapacitors

2012

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Section: Ruomentioning

confidence: 99%

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confidence: 99%

A review of electrode materials for electrochemical supercapacitors

2012

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“…The electrodes have been prepared from: (i) carbons with different porosity and different specific surface areas, e.g. carbon aerogel [1,2], activated carbons [3][4][5][6][7][8], mesopore-templated carbon [9][10][11], carbon black [12][13][14], glassy carbon [15,16], carbon nanotubes [17][18][19][20][21][22][23][24][25][26][27], carbon nanofibres [28,29], and others [30,31], (ii) different precursors for RuO 2 ·xH 2 O, e.g. RuCl 3 ·0.5H 2 O or Ru(acac) 3 , and hence different procedures: a sol-gel followed by neutralization in the case of RuCl 3 ·0.5H 2 O and an electrochemical oxidation in the case of Ru(acac) 3 , and (iii) different contents (or loads) in RuO 2 ·xH 2 O.…”

Section: Introductionmentioning

confidence: 99%

Ruthenium oxide/carbon composites with microporous or mesoporous carbon as support and prepared by two procedures. A comparative study as supercapacitor electrodes

Picó

Morales

Fernández

et al. 2009

Electrochimica Acta

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“…The capacitive behaviour of hydrous RuO 2 is attributable to several parameters such as surface area, water content, electronic conductivity and nanocrystalline nature [18,19]. However, hydrous ruthenium oxide is an expensive material and hence much effort has been expended to replace ruthenium oxide by suitable cheaper nanostructured transition metal oxides such as MnO 2 , Fe 3 O 4 and V 2 O 5 for aqueous electrochemical supercapacitors.…”

Section: Introductionmentioning

confidence: 99%

Design of an “all solid-state” supercapacitor based on phosphoric acid doped polybenzimidazole (PBI) electrolyte

et al. 2009

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The effectiveness of phosphoric acid doped polybenzimidazole as a polymer electrolyte membrane to fabricate an all solid-state super capacitor has been explored using hydrous RuO 2 /carbon composite electrodes (20 wt.%) of surface area 250 m 2 g -1 with many intrinsic advantages. The electrochemical evaluation of these super capacitors through cyclic voltammetry, charge/discharge and impedance measurements demonstrate the utility of this type of thin, compact and flexible supercapacitor capable of functioning at 150°C to yield a maximum capacitance of about 290 F g -1 along with a life of more than 1,000 cycles. A power density of 300 W kg -1 and energy density of 10 Wh kg -1 have been accomplished although the equivalent series resistance (ESR) of about 3.7 X needs to be reduced further for high rated applications.

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Studies on activated carbon capacitor materials loaded with different amounts of ruthenium oxide

Cited by 92 publications

References 16 publications

A review of electrode materials for electrochemical supercapacitors

A review of electrode materials for electrochemical supercapacitors

Ruthenium oxide/carbon composites with microporous or mesoporous carbon as support and prepared by two procedures. A comparative study as supercapacitor electrodes

Design of an “all solid-state” supercapacitor based on phosphoric acid doped polybenzimidazole (PBI) electrolyte

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