NDLI: RuO$_{2}$/Activated Carbon Composite Electrode Prepared by Modified Colloidal Procedure and Thermal Decomposition Method

Content Provider	Springer Nature Link
Author	Li, Xiang Zheng, Feng Gan, Weiping Luo, Xun
Copyright Year	2015
Abstract	RuO$_{2}$/activated carbon (AC) composite electrode was prepared by a modified colloidal procedure and a thermal decomposition method. The precursor for RuO$_{2}$/AC was coated on tantalum sheet and annealed at 150°C to 190°C for 3 h to develop thin-film electrode. The microstructure and morphology of the RuO$_{2}$/AC film were characterized by thermogravimetric analysis (TGA), x-ray diffraction (XRD) analysis, and scanning electron microscopy (SEM). The TGA results showed the maximum loss of RuO$_{2}$/AC composite film at 410°C, with residual RuO$_{2}$ of 23.17 wt.%. The amorphous phase structure of the composite was verified by XRD analysis. SEM analysis revealed that fine RuO$_{2}$ particles were dispersed in an activated carbon matrix after annealing. The electrochemical properties of RuO$_{2}$/AC electrode were examined by cycling voltammetry, galvanostatic charge–discharge, and cyclic behavior measurements. The specific capacitance of RuO$_{2}$/AC electrode reached 245 F g$^{−1}$. The cyclic behavior of RuO$_{2}$/AC electrode was stable. Optimal annealing was achieved at 170°C for 3 h.
Starting Page	374
Ending Page	378
Page Count	5
File Format	PDF
ISSN	03615235
Journal	Journal of Electronic Materials
Volume Number	45
Issue Number	1
e-ISSN	1543186X
Language	English
Publisher	Springer US
Publisher Date	2015-10-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	RuO$_{2}$ activated carbon specific capacitance annealing temperature Optical and Electronic Materials Characterization and Evaluation of Materials Electronics and Microelectronics, Instrumentation Solid State Physics
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Electronic, Optical and Magnetic Materials Condensed Matter Physics Electrical and Electronic Engineering

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